Microphone support boom movement control apparatus and method with differential motion isolation capability
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
A47F-005/00
F16M-013/00
출원번호
US-0345622
(2003-01-15)
발명자
/ 주소
Eason, Donald H.
출원인 / 주소
Ultimate Support Systems, Inc.
대리인 / 주소
Santangelo Law Offices, P.C.
인용정보
피인용 횟수 :
18인용 특허 :
9
초록▼
Apparatus for and associated methods of controlling movement of a microphone that may be held in some manner by a microphone support boom. More specifically, the invention focuses upon novel techniques for isolating yaw of a microphone support boom from the microphone stand that may provide a majori
Apparatus for and associated methods of controlling movement of a microphone that may be held in some manner by a microphone support boom. More specifically, the invention focuses upon novel techniques for isolating yaw of a microphone support boom from the microphone stand that may provide a majority of the height required for a desired microphone spatial positioning. The invention also focuses on apparatus that may be used achieve preferential isolation of microphone support boom yaw with respect to motion in any other microphone support boom degree of freedom. A specific type of apparatus that may be used to achieve this preferential isolation—the double conical clutch—is also an aspect of the inventive technology.
대표청구항▼
1. A microphone support boom movement control apparatus comprisinga microphone support boom multiple degree of freedom motion control element adapted to control microphone support boom yaw, microphone support boom pitch, microphone support boom axial translation, and microphone support boom axial ro
1. A microphone support boom movement control apparatus comprisinga microphone support boom multiple degree of freedom motion control element adapted to control microphone support boom yaw, microphone support boom pitch, microphone support boom axial translation, and microphone support boom axial rotation;an attachment element configured to attach said microphone support boom multiple degree of freedom motion control element to a microphone stand upon engagement of said attachment element with said microphone stand,wherein said attachment element is immobile relative to said microphone stand when said attachment element is fully engaged with said microphone stand,an activatable, microphone support boom yaw isolation element that is operable to isolate yaw of a microphone support boom about a microphone support boom yaw axis from said attachment element when said attachment element is in said fully engaged configuration; anda microphone support boom retention element to which said microphone support boom is responsive,wherein said microphone support boom multiple degree of freedom motion control element includes a microphone support boom yaw guide element to which a microphone support boom is directionally responsive,wherein said activatable, microphone support boom yaw isolation element includes an adjustable compression application element that is operable to apply and disapply a compressive force acting along a compressive force axis, so as to deactivate and activate said activatable, microphone support boom yaw isolation element, respectively,wherein said adjustable compression application element enables adjustment of said microphone support boom multiple degree of freedom motion control element from a complete microphone support boom retention setting to an incomplete microphone support boom retention setting,wherein said microphone support boom movement control apparatus further comprises a preferential, microphone support boom yaw isolation element that is adapted for a preferential isolation of yaw in which yaw of said microphone support boom is allowed before other motion of said microphone support boom is allowed, said preferential isolation of yaw provided upon activation of said activatable, microphone support boom yaw isolation element and when said attachment element is fully engaged. 2. A microphone support boom movement control apparatus as described in claim 1, wherein said preferential, microphone support boom yaw isolation element comprises a double conical yaw clutch having:(a) frictive yaw surfaces, at least one of which is frustum-shaped, said frustum-shaped frictive yaw surface having a frictive yaw surface angle relative to a frictive yaw surface proximate compressive force axis, and having a frictive yaw surface axis that is collinear with said microphone support boom yaw axis; and(b) frictive pitch surfaces, at least one of which is frustum-shaped, said frustum-shaped frictive pitch surface having a frictive pitch surface angle relative to a frictive pitch surface proximate compressive force axis, and having a frictive pitch surface axis that is collinear with a microphone support pitch axis,wherein said frictive yaw surface angle is greater than said frictive pitch surface angle. 3. A microphone support boom movement control apparatus as described in claim 1, wherein said preferential, microphone support boom yaw isolation element comprises:(a) frictive yaw surfaces that exhibit a yaw surface coefficient of static friction; and(b) frictive pitch surfaces that exhibit a pitch surface coefficient of static friction,wherein said yaw surface coefficient of static friction is less than said pitch surface coefficient of static friction. 4. A microphone support boom movement control apparatus as described in claim 1, wherein said preferential, microphone support boom yaw isolation element comprises:(a) a yaw rotatable frictive yaw surface having an effective yaw surface moment arm relative to said micropho ne support boom yaw axis; and(b) pitch rotatable frictive pitch surface having an effective pitch surface moment arm relative to said microphone support boom pitch axis,wherein said effective yaw surface moment arm is smaller than said effective pitch surface moment arm. 5. microphone support boom movement control apparatus as described in claim 2, 3 , or 4 , wherein said microphone support boom movement control apparatus further comprises a non-preferential microphone support boom axial degree of freedom motion isolation element that is adapted to isolate said microphone support boom axial translation and said microphone support boom axial rotation from said microphone stand after a start of said preferential allowance of yaw. 6. A microphone support boom movement control apparatus as described in claim 5, wherein said non-preferential microphone support boom axial degree of freedom motion isolation element comprises at least four frictive microphone support boom axial motion surfaces, at least two of which have a microphone support boom axial degree of freedom motion frictive angle relative to a boom axial motion frictive surface proximate compressive force axis and that is less than said frictive yaw surface angle. 7. A microphone support boom movement control apparatus as described in claim 5, wherein said non-preferential microphone support boom axial degree of freedom motion isolation element comprises at least one frictive microphone support boom axial degree of freedom surface exhibiting a microphone support boom axial degree of freedom surface coefficient of static friction when in static contact with an external surface of said microphone support boom, wherein said microphone support boom axial degree of freedom surface coefficient of static friction is greater than said yaw surface coefficient of static friction. 8. A microphone support boom movement control apparatus as described in claim 5, wherein said non-preferential microphone support boom axial degree of freedom motion isolation element comprises a clamp configured so that a microphone support boom pitch axis is a first distance from an external compression application axis, an effective point of application of a microphone support boom frictional force is a second distance from said external compression application axis, and said first distance is greater than said second distance. 9. A microphone support boom movement control apparatus as described in claim 5, further comprising said microphone support boom. 10. A microphone support boom movement control apparatus as described in claim 9, further comprising said microphone stand. 11. A microphone support boom movement control apparatus as described in claim 5, wherein said activatable, microphone support boom yaw isolation element comprises a first double opposing conical element and a first shell having a first inner surface adapted to interface said first double opposing conical element. 12. A microphone support boom movement control apparatus as described in claim 11, further comprising a microphone support boom pitch isolation element that comprises a second double opposing conical element and a second shell having a second inner surface adapted to interface said second double opposing conical element. 13. A microphone support boom movement control apparatus comprising:a microphone support boom multiple degree of freedom motion control element adapted to control motion of a microphone support boom in at least two degrees of freedom;an attachment element configured to attach said microphone support boom multiple degree of freedom motion control element to a microphone stand upon engagement of said attachment element with said microphone stand,wherein said attachment element is immobile relative to said microphone stand when said attachment element is fully engaged with said microphone stand,an activatable, microphone support boom yaw isolation element that is operable to isolate yaw of said microphone su pport boom about a microphone support boom yaw axis from said attachment element when said attachment element is in said fully engaged configuration; anda microphone support boom retention element to which said microphone support boom is responsivewherein said microphone support boom multiple degree of freedom motion control element is adapted to control at least yaw and pitch of said microphone support boom,wherein said activatable, microphone support boom yaw isolation element includes an adjustable compression application element that is operable to apply and disapply a compressive force acting along a compressive force axis, so as to deactivate and activate said activatable, microphone support boom yaw isolation element. respectively, andwherein said microphone support boom movement control apparatus further comprises a preferential, microphone support boom yaw isolation element that is adapted for a preferential isolation of yaw in which yaw of said microphone support boom is allowed before other motion of said microphone support boom is allowed, said preferential isolation of yaw provided upon activation of said activatable, microphone support boom yaw isolation element and when said attachment element is fully engaged. 14. A microphone support boom movement control apparatus as described in claim 13, wherein said preferential, microphone support boom yaw isolation element comprises a double conical yaw clutch having:(a) frictive yaw surfaces, at least one of which is frustum-shaped, said frustum-shaped frictive yaw surface having a frictive yaw surface angle relative to a frictive yaw surface proximate compressive force axis, and having a frictive yaw surface axis that is collinear with said microphone support boom yaw axis; and(b) frictive pitch surfaces, at least one of which is frustum-shaped, said frustum-shaped frictive pitch surface having a frictive pitch surface angle relative to a frictive pitch surface proximate compressive force axis, and having a frictive pitch surface axis that is collinear with a microphone support boom pitch axis,wherein said frictive yaw surface angle is greater than said frictive pitch surface angle. 15. A microphone support boom movement control apparatus as described in claim 14, wherein said double conical yaw clutch comprises a nested, double conical yaw clutch. 16. microphone support boom movement control apparatus as described in claim 13, wherein said preferential, microphone support boom yaw isolation element comprises:(a) frictive yaw surfaces that exhibit a yaw surface coefficient of static friction; and(b) frictive pitch surfaces that exhibit a pitch surface coefficient of static friction,wherein said yaw surface coefficient of static friction is less than said pitch surface coefficient of static friction. 17. A microphone support boom movement control apparatus as described in claim 13, wherein said preferential, microphone support boom yaw isolation element comprises:(a) a yaw rotatable frictive yaw surface having an effective yaw surface moment arm relative to said microphone support boom yaw axis; and(b) pitch rotatable frictive pitch surface having an effective pitch surface moment arm relative to said microphone support boom pitch axis,wherein said effective yaw surface moment arm is smaller than said effective pitch surface moment arm. 18. A microphone support boom movement control apparatus as described in claim 13, 14 , 15 , 16 , or 17 , wherein said microphone support boom multiple degree of freedom motion control element is adapted to control motion of a microphone support boom also in at least one microphone support boom axial degree of freedom selected from the group of microphone support boom axial degree of freedoms consisting of: microphone support boom axial translation and microphone support boom axial rotation. 19. A microphone support boom movement control apparatus as described in claim 18, wherein said wherein said microphone support boom movement contro l apparatus further comprises a non-preferential microphone support boom axial degree of freedom motion isolation element that is adapted to isolate said motion in at least one microphone support boom axial degree of freedom from said microphone stand after a start of said preferential allowance of yaw. 20. A microphone support boom movement control apparatus as described in claim 19, wherein said non-preferential microphone support boom axial degree of freedom motion isolation element comprises at least four frictive microphone support boom axial motion surfaces, at least two of which have a microphone support boom axial degree of freedom motion frictive angle relative to a boom axial motion frictive surface proximate compressive force axis and that is less than said frictive yaw surface angle. 21. A microphone support boom movement control apparatus as described in claim 20, wherein said microphone support boom axial degree of freedom motion frictive angle is less than said frictive pitch surface angle. 22. A microphone support boom movement control apparatus as described in claim 19, wherein said non-preferential microphone support boom axial degree of freedom motion isolation element comprises at least one frictive microphone support boom axial degree of freedom surface exhibiting a microphone support boom axial degree of freedom surface coefficient of static friction when in static contact with an external surface of said microphone support boom. 23. A microphone support boom movement control apparatus as described in claim 22, wherein said microphone support boom axial degree of freedom surface coefficient of static friction is greater than said yaw surface coefficient of static friction. 24. A microphone support boom movement control apparatus as described in claim 19, wherein said non-preferential microphone support boom axial degree of freedom motion isolation element comprises a clamp configured so that a microphone support boom pitch axis is a first distance from an external compression application axis, an effective point of application of a microphone support boom frictional force is a second distance from said external compression application axis, and said first distance is greater than said second distance. 25. A microphone support boom movement control apparatus comprising:a microphone support boom multiple degree of freedom motion control element adapted to control motion of a microphone support boom in at least two degrees of freedom;an attachment element configured to attach said microphone support boom multiple degree of freedom motion control element to a microphone stand upon engagement of said attachment element with said microphone stand,wherein said attachment element is immobile relative to said microphone stand when said attachment element is fully engaged with said microphone stand,an activatable, microphone support boom yaw isolation element that is operable to isolate yaw of said microphone support boom about a microphone support boom yaw axis from said attachment element when said attachment element is in said fully engaged configuration; anda microphone support boom retention element to which said microphone support boom is responsive,wherein said activatable, microphone support boom yaw isolation element comprises a double opposing conical element and a shell having an inner surface adapted to interface said double opposing conical element. 26. A microphone support boom movement control apparatus as described in claim 25, further comprising a microphone support boom pitch isolation element that comprises a double opposing conical element and a shell having an inner surface adapted to interface said double opposing conical element. 27. A microphone support boom movement control apparatus comprising:a microphone support boom multiple degree of freedom motion control element adapted to control motion of a microphone support boom in at least two degrees of freedom;an attachment element configured to attach said microphone support boom multiple degree of freedom motion control element to a microphone stand upon engagement of said attachment element with said microphone stand,wherein said attachment element is immobile relative to said microphone stand when said attachment element is fully engaged with said microphone stand,an activatable, microphone support boom yaw isolation element that is operable to isolate yaw of said microphone support boom about a microphone support boom yaw axis from said attachment element when said attachment element is in said fully engaged configuration; anda microphone support boom retention element to which said microphone support boom is responsive,wherein said microphone support boom multiple degree of freedom motion control element includes a microphone support boom yaw guide element to which a microphone support boom is directionally responsive, andwherein said microphone support boom yaw guide element comprises a substantially circular recessive channel and a substantially ring-shaped key, at least part of which is configured to fit in said substantially circular recessive channel. 28. A microphone support boom movement control apparatus comprising:a microphone support boom multiple degree of freedom motion control element adapted to control motion of a microphone support boom in at least two degrees of freedom;an attachment element configured to attach said microphone support boom multiple degree of freedom motion control element to a microphone stand upon engagement of said attachment element with said microphone stand,wherein said attachment element is immobile relative to said microphone stand when said attachment element is fully engaged with said microphone stand,an activatable, microphone support boom yaw isolation element that is operable to isolate yaw of said microphone support boom about a microphone support boom yaw axis from said attachment element when said attachment element is in said fully engaged configuration; anda microphone support boom retention element to which said microphone support boom is responsive,wherein said microphone support boom multiple degree of freedom motion control element includes a microphone support boom yaw guide element to which a microphone support boom is directionally responsive, andwherein said microphone support boom yaw guide element comprises a double opposing conical element and a shell having an inner surface adapted to interface said double opposing conical element. 29. A microphone support boom movement control method comprising the steps ofestablishing a microphone support boom multiple degree of freedom motion control element to control motion of a microphone support boom in at least two degrees of freedom;configuring an attachment element to attach said microphone support boom multiple degree of freedom motion control element to a microphone stand upon engagement of said attachment element with said microphone stand;further configuring said attachment element to be immobile relative to said microphone stand when said attachment element is fully engaged with said microphone stand;establishing an activatable, microphone support boom yaw isolation element to isolate yaw of said microphone support boom about a microphone support boom yaw axis from said attachment element when said attachment element is in said fully engaged configuration; andestablishing a microphone support boom retention element to which said microphone support boom is responsive,wherein said step of establishing a microphone support boom multiple degree of freedom motion control element comprises the step of establishing a microphone support boom multiple degree of freedom motion control element to control at least yaw and pitch of a microphone support boom,wherein said step of establishing an activatable, microphone support boom yaw isolation element includes the step of establishing an adjustable compression application element that is operable to apply and di sapply a compressive force acting along a compressive force axis so as to deactivate and activate said activatable, microphone support boom yaw isolation element, respectively, andwherein said step of establishing a microphone support boom movement control apparatus further comprises the step of establishing a preferential, microphone support boom yaw isolation element that is adapted to allow yaw of said microphone support boom before allowing other motion of said microphone support boom, said preferential isolation of yaw provided upon activation of said activatable, microphone support boom yaw isolation element and when said attachment element is fully engaged. 30. A microphone support boom movement control method as described in claim 29, wherein said step of establishing a preferential, microphone support boom yaw isolation element includes the step of establishing a double conical yaw clutch, said step of establishing a double conical yaw clutch itself comprising the steps of:(a) establishing a frustum-shaped frictive yaw surface to have a frictive yaw surface angle relative to a frictive yaw surface proximate compressive force axis, and to have a frictive yaw surface axis that is collinear with said microphone support boom yaw axis; and(b) establishing a frustum-shaped frictive pitch surface to have a frictive pitch surface angle relative to a frictive pitch surface proximate compressive force axis, and to have a frictive pitch surface axis that is collinear with a microphone support pitch axis,wherein said frictive yaw surface angle is greater than said frictive pitch surface angle. 31. A microphone support boom movement control method as described in claim 30, wherein said step of establishing a double conical yaw clutch comprises the step of establishing a nested, double conical yaw clutch. 32. A microphone support boom movement control method as described in claim 29, wherein said step of establishing a preferential, microphone support boom yaw isolation element includes the steps of:(a) establishing frictive yaw surfaces that exhibit a yaw surface coefficient of static friction; and(b) establishing frictive pitch surfaces that exhibit a pitch surface coefficient of static friction,wherein said yaw surface coefficient of static friction is less than said pitch surface coefficient of static friction. 33. A microphone support boom movement control method as described in claim 29, wherein said step of establishing a preferential, microphone support boom yaw isolation element comprises the steps of;(a) establishing a yaw rotatable frictive yaw surface to have an effective yaw surface moment arm relative to said microphone support boom yaw axis; and(b) establishing a pitch rotatable frictive pitch surface to have an effective pitch surface moment arm relative to said microphone support boom pitch axis,wherein said effective yaw surface moment arm is smaller than said effective pitch surface moment arm. 34. A microphone support boom movement control method as described in claim 29, 30 , 31 , 32 , or 33 wherein said step of establishing a microphone support boom multiple degree of freedom motion control element comprises the step of establishing a microphone support boom multiple degree of freedom motion control element to control motion of a microphone support boom also in at least one microphone support boom axial degree of freedom selected from the group of microphone support boom axial degree of freedoms consisting of: microphone support boom axial translation and microphone support boom axial rotation. 35. A microphone support boom movement control method as described in claim 34, wherein said step of establishing a microphone support boom movement control apparatus further comprises the step of establishing a non-preferential microphone support boom axial degree of freedom motion isolation element that is adapted to isolate said motion in at least one microphone support boom axial degree of freedom from said microph one stand after a start of said preferential isolation of yaw. 36. A microphone support boom movement control method as described in claim 35, wherein step of establishing a non-preferential microphone support boom axial degree of freedom motion isolation element comprises the step of establishing at least four frictive microphone support boom axial motion surfaces, at least two of which have a microphone support boom axial degree of freedom motion frictive angle relative to a boom axial motion frictive surface proximate compressive force axis and that is less than said frictive yaw surface angle. 37. A microphone support boom movement control method as described in claim 36, wherein said microphone support boom axial degree of freedom motion frictive angle is less than said frictive pitch angle. 38. A microphone support boom movement control method as described in claim 35, wherein said step of establishing a non-preferential microphone support boom axial degree of freedom motion isolation element comprises the step of establishing at least one frictive microphone support boom axial degree of freedom surface exhibiting a microphone support boom axial degree of freedom surface coefficient of static friction when in static contact with an external surface of said microphone support boom. 39. A microphone support boom movement control method as described in claim 38, wherein said microphone support boom axial degree of freedom surface coefficient of static friction is greater than said yaw surface coefficient of static friction. 40. A microphone support boom movement control method as described in claim 35, wherein said step of establishing a non-preferential microphone support boom axial degree of freedom motion isolation element comprises the step of establishing a clamp configured so that a microphone support boom pitch axis is a first distance from an external compression application axis, an effective point of application of a microphone support boom frictional force is a second distance from said external compression application axis, and said first distance is greater than said second distance. 41. A microphone support boom movement control method comprising the steps of:establishing a microphone support boom multiple degree of freedom motion control element to control motion of a microphone support boom in at least two degrees of freedom;configuring an attachment element to attach said microphone support boom multiple degree of freedom motion control element to a microphone stand upon engagement of said attachment element with said microphone stand;further configuring said attachment element to be immobile relative to said microphone stand when said attachment element is fully engaged with said microphone stand;establishing an activatable, microphone support boom yaw isolation element to isolate yaw of said microphone support boom about a microphone support boom yaw axis from said attachment element when said attachment element is in said fully engaged configuration; andestablishing a microphone support boom retention element to which said microphone support boom is responsive,wherein said step of establishing an activatable, microphone support boom yaw isolation element comprises the step of establishing a double opposing conical element and a shell having an inner surface adapted to interface said double opposing conical element. 42. A microphone support boom movement control method as described in claim 41, further comprising the step of establishing a microphone support boom pitch isolation element that comprises a double opposing conical element and a shell having an inner surface adapted to interface said double opposing conical element. 43. A microphone support boom movement control method comprising the steps of:establishing a microphone support boom multiple degree of freedom motion control element to control motion of a microphone support boom in at least two degrees of freedom;configuring an attachment element to attach said microphone support boom multiple degree of freedom motion control element to a microphone stand upon engagement of said attachment element with said microphone stand;further configuring said attachment element to be immobile relative to said microphone stand when said attachment element is fully engaged with said microphone stand;establishing an activatable, microphone support boom yaw isolation element to isolate yaw of said microphone support boom about a microphone support boom yaw axis from said attachment element when said attachment element is in said fully engaged configuration; andestablishing a microphone support boom retention element to which said microphone support boom is responsive,wherein said step of establishing a microphone support boom multiple degree of freedom motion control element includes the step of establishing a microphone support boom yaw guide element to which a microphone support boom is directionally responsive, andwherein said step of establishing a microphone support boom yaw guide element comprises the step of establishing a substantially circular recessive channel and a substantially ring-shaped key, at least part of which is configured to fit in said substantially circular recessive channel. 44. A microphone support boom movement control method comprising the steps of:establishing a microphone support boom multiple degree of freedom motion control element to control motion of a microphone support boom in at least two degrees of freedom;configuring an attachment element to attach said microphone support boom multiple degree of freedom motion control element to a microphone stand upon engagement of said attachment element with said microphone stand;further configuring said attachment element to be immobile relative to said microphone stand when said attachment element is fully engaged with said microphone stand;establishing an activatable, microphone support boom yaw isolation element to isolate yaw of said microphone support boom about a microphone support boom yaw axis from said attachment element when said attachment element is in said fully engaged configuration; andestablishing a microphone support boom retention element to which said microphone support boom is responsive,wherein said step of establishing a microphone support boom multiple degree of freedom motion control element includes the step of establishing a microphone support boom yaw guide element to which a microphone support boom is directionally responsive, andwherein said step of establishing a microphone support boom yaw guide element comprises the step of establishing a double opposing conical element and a shell having an inner surface adapted to interface said double opposing conical element. 45. A microphone support boom movement control usage method comprising the steps of:activating an activatable, microphone support boom yaw isolation element so as to isolate yaw of a rotatable attachment element from a microphone stand,wherein said activatable, microphone support boom yaw isolation element forms part of a microphone support boom multiple degree of freedom motion control element that is adapted to control motion of a microphone support boom in at least three degrees of freedom; androtatably attaching to full engagement said rotatable attachment element to said microphone stand without rotating said microphone support boom multiple degree of freedom motion control element. 46. A microphone support boom movement control usage method as described in claim 45, further comprising compressively retaining a microphone support boom in a microphone support boom retention element that forms a part of said microphone support boom multiple degree of freedom motion control element. 47. microphone support boom movement control usage method as described in claim 46, further comprising the steps of adjusting an adjustable compression application element so as to enable yaw of said retained microphone support boom upon application of a manual lateral force to said retained microphone support boom without pitch of said retained microphone support boom; and applying said manual lateral force to said retained microphone support boom to cause microphone support boom yaw without causing microphone support boom pitch. 48. A microphone support boom movement control usage method as described in claim 47, further comprising the steps of further adjusting said adjustable compression application element so as to enable yaw of said retained microphone support boom upon application of a manual lateral force to said retained microphone support boom without microphone support boom axial degree of freedom motion of said retained microphone support boom; and applying said manual lateral force to said retained microphone support boom to cause microphone support boom yaw without causing microphone support boom axial degree of freedom motion. 49. A microphone support boom movement control usage method as described in claim 47 or 48, further comprising the steps of further adjusting said adjustable compression application element so as to enable pitch of said retained microphone support boom upon application of a manual vertical force to said retained microphone support boom without microphone support boom axial degree of freedom motion of said retained microphone support boom; and applying said manual vertical force to said retained microphone support boom to cause microphone support boom pitch without causing microphone support boom axial degree of freedom motion. 50. A microphone support boom movement control usage method as described in claim 45, wherein said activatable, microphone support boom yaw isolation element forms part of a microphone support boom multiple degree of freedom motion control element that is adapted to control motion of a microphone support boom in four degrees of freedom. 51. A microphone support boom movement control usage method as described in claim 50, wherein said four degrees of freedom comprise microphone support boom yaw, microphone support boom pitch, microphone support boom axial translation, and microphone support boom axial rotation. 52. A double conical clutch usable as a preferential, microphone support boom degree of freedom motion isolation element, wherein said double conical clutch comprises:(a) frictive preferential motion surfaces, at least one of which is frustum-shaped, said frustum-shaped frictive preferential motion surface having a frictive preferential motion surface angle relative to a frictive preferential motion surface proximate compressive force axis, and having a frictive preferential motion surface axis that is collinear with a microphone support boom preferential motion axis; and(b) frictive deferential motion surfaces, at least one of which is frustum-shaped, said frustum-shaped frictive deferential motion surface having a frictive deferential motion surface angle relative to a frictive deferential motion surface proximate compressive force axis, and having a frictive deferential motion surface axis that is collinear with a microphone support deferential motion axis,wherein said frictive preferential motion surface angle is greater than said frictive deferential motion surface angle,wherein said double conical clutch allows motion in a preferred degree of freedom of said microphone support boom before allowing motion of said microphone support boom in any other degree of freedom;wherein said double conical clutch isolates said motion in a preferred degree of freedom from a microphone stand. 53. A double conical clutch usable as a preferential, microphone support boom degree of freedom motion isolation element as described in claim 52, wherein said double conical clutch comprises a nested, double conical clutch. 54. A microphone support boom movement control apparatus comprisinga microphone support boom multiple degree of freedom motion control element adapted to control motion of a microphone support boom in at least two degrees of freedom;an attachment element configured to attach said microphone support boom multiple degree of freedom motion control element to a microphone stand upon engagement of said attachment element with said microphone stand,wherein said attachment element is immobile relative to said microphone stand when said attachment element is fully engaged with said microphone stand,an activatable, microphone support boom yaw isolation element that is operable to isolate yaw of said microphone support boom about a microphone support boom yaw axis from said attachment element when said attachment element is in said fully engaged configuration;a microphone support boom retention element to which said microphone support boom is responsivea microphone support boom pitch isolation element that comprises a double opposing conical element and a shell having an inner surface adapted to interface said double opposing conical element. 55. A microphone support boom movement control apparatus comprising:a microphone support boom multiple degree of freedom motion control element adapted to control motion of a microphone support boom in at least two degrees of freedom;an attachment element configured to attach said microphone support boom multiple degree of freedom motion control element to a microphone stand upon engagement of said attachment element with said microphone stand,wherein said attachment element is immobile relative to said microphone stand when said attachment element is fully engaged with said microphone stand,an activatable, microphone support boom yaw isolation element that is operable to isolate yaw of said microphone support boom about a microphone support boom yaw axis from said attachment element when said attachment element is in said fully engaged configuration; anda microphone support boom retention element to which said microphone support boom is responsive,wherein said microphone support boom multiple degree of freedom motion control element includes a microphone support boom yaw guide element to which a microphone support boom is directionally responsive, wherein said activatable, microphone support boom yaw isolation element comprises said microphone support boom yaw guide element, andwherein said microphone support boom yaw guide element comprises a substantially circular recessive channel and a substantially ring-shaped key, at least part of which is configured to fit in said substantially circular recessive channel. 56. A microphone support boom movement control apparatus comprising:a microphone support boom multiple degree of freedom motion control element adapted to control motion of a microphone support boom in at least two degrees of freedom;an attachment element configured to attach said microphone support boom multiple degree of freedom motion control element to a microphone stand upon engagement of said attachment element with said microphone stand,wherein said attachment element is immobile relative to said microphone stand when said attachment element is fully engaged with said microphone stand,an activatable, microphone support boom yaw isolation element that is operable to isolate yaw of said microphone support boom about a microphone support boom yaw axis from said attachment element when said attachment element is in said fully engaged configuration; anda microphone support boom retention element to which said microphone support boom is responsive,wherein said microphone support boom multiple degree of freedom motion control element includes a microphone support boom yaw guide element to which a microphone support boom is directionally responsive,wherein said activatable, microphone support boom yaw isolation element comprises said microphone support boom yaw guide element, andwherein said microphone support boom yaw guide element comprises a double opposing conical element and a shell having an inner surface adapted to interface said double opposing conical element. 57. A mic rophone support boom movement control method comprising the steps ofestablishing a microphone support boom multiple degree of freedom motion control element to control motion of a microphone support boom in at least two degrees of freedom;configuring an attachment element to attach said microphone support boom multiple degree of freedom motion control element to a microphone stand upon engagement of said attachment element with said microphone stand;further configuring said attachment element to be immobile relative to said microphone stand when said attachment element is fully engaged with said microphone stand;establishing an activatable, microphone support boom yaw isolation element to isolate yaw of said microphone support boom about a microphone support boom yaw axis from said attachment element when said attachment element is in said fully engaged configuration;establishing a microphone support boom retention element to which said microphone support boom is responsive; andestablishing a microphone support boom pitch isolation element that comprises a double opposing conical element and a shell having an inner surface adapted to interface said double opposing conical element. 58. A microphone support boom movement control method comprising the steps of:establishing a microphone support boom multiple degree of freedom motion control element to control motion of a microphone support boom in at least two degrees of freedom;configuring an attachment element to attach said microphone support boom multiple degree of freedom motion control element to a microphone stand upon engagement of said attachment element with said microphone stand;further configuring said attachment element to be immobile relative to said microphone stand when said attachment element is fully engaged with said microphone stand;establishing an activatable, microphone support boom yaw isolation element to isolate yaw of said microphone support boom about a microphone support boom yaw axis from said attachment element when said attachment element is in said fully engaged configuration; andestablishing a microphone support boom retention element to which said microphone support boom is responsive,wherein said step of establishing a microphone support boom multiple degree of freedom motion control element includes the step of establishing a microphone support boom yaw guide element to which a microphone support boom is directionally responsive,wherein said step of establishing an activatable, microphone support boom yaw isolation element comprises said step of establishing a microphone support boom yaw guide element, andwherein said step of establishing a microphone support boom yaw guide element comprises the step of establishing a substantially circular recessive channel and a substantially ring-shaped key, at least part of which is configured to fit in said substantially circular recessive channel. 59. A microphone support boom movement control method comprising the steps of:establishing a microphone support boom multiple degree of freedom motion control element to control motion of a microphone support boom in at least two degrees of freedom;configuring an attachment element to attach said microphone support boom multiple degree of freedom motion control element to a microphone stand upon engagement of said attachment element with said microphone stand;further configuring said attachment element to be immobile relative to said microphone stand when said attachment element is fully engaged with said microphone stand;establishing an activatable, microphone support boom yaw isolation element to isolate yaw of said microphone support boom about a microphone support boom yaw axis from said attachment element when said attachment element is in said fully engaged configuration; andestablishing a microphone support boom retention element to which said microphone support boom is responsive,wherein said step of establishing a microphone support boom multiple degree of freedom motion control element includes the step of establishing a microphone support boom yaw guide element to which a microphone support boom is directionally responsive,wherein said step of establishing an activatable, microphone support boom yaw isolation element comprises said step of establishing a microphone support boom yaw guide element, andwherein said step of establishing a microphone support boom yaw guide element comprises the step of establishing a double opposing conical element and a shell having an inner surface adapted to interface said double opposing conical element.
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Wallis Frederick A. (9 Mosaic Street Shelley ; Western Australia AUX), Adjustable arm.
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