IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0278644
(2006-04-04)
|
등록번호 |
US-7291794
(2007-11-06)
|
발명자
/ 주소 |
|
출원인 / 주소 |
|
대리인 / 주소 |
|
인용정보 |
피인용 횟수 :
11 인용 특허 :
8 |
초록
▼
An improved, low-cost magnetic switch assembly (16, 16a) is provided having an easily fabricated housing (24, 24a) and cover (29, 29a) formed of non-conducting synthetic resin material. A pair of electrically conductive switch elements (30, 32, 30a, 32a) are positioned in spaced relationship with th
An improved, low-cost magnetic switch assembly (16, 16a) is provided having an easily fabricated housing (24, 24a) and cover (29, 29a) formed of non-conducting synthetic resin material. A pair of electrically conductive switch elements (30, 32, 30a, 32a) are positioned in spaced relationship with the housing (24, 24a) along with a body (40, 40a) shiftable between a first position in simultaneous contact with the switch elements (30, 32, 30a, 32a), and a second position out of such simultaneous contact. The housing (24, 24a) is also equipped with a first attractive component (38, 38a) which magnetically reacts with the body (40, 40a) to hold the latter in one of the positions thereof when the assembly (16, 16a) experiences a first magnetic field condition, but allows the body (40, 40a) to move to the other of the positions thereof when a second magnetic field condition is experienced adjacent the assembly (16, 16a).
대표청구항
▼
I claim: 1. A magnetic switch assembly comprising: a housing formed of non-conductive material; a cover formed of non-conductive material and secured to said housing; a first, electrically conductive switch element within said housing; a second, electrically conductive switch element within said ho
I claim: 1. A magnetic switch assembly comprising: a housing formed of non-conductive material; a cover formed of non-conductive material and secured to said housing; a first, electrically conductive switch element within said housing; a second, electrically conductive switch element within said housing and located in spaced relationship to said first switch element; an electrically conductive body located within said housing and shiftable between a first position in simultaneous contact with said first and second switch elements, and a second position out of simultaneous contact with said first and second switch elements; and a first attractive component comprising a ring located below said cover and in surrounding relationship to said housing, said first attractive component and said body being cooperatively selected and designed so that, when a first magnetic field condition is experienced by said switch assembly, said attractive component is operable to maintain said body in one of said first and second positions, and so that, when a second magnetic field condition is experienced by said switch assembly, said body is moved to the other of said first and second positions under the influence of said second magnetic field condition. 2. The switch assembly of claim 1, said first and second switch elements comprising, elongated, rod-like, electrically conductive electrodes. 3. The switch assembly of claim 2, said housing having a generally cylindrical section and a general conical section, said first and second switch elements extending along and in conforming relationship to said housing sections. 4. The switch assembly of claim 2, said first and second switch elements being substantially rectilinear and extending into the confines of said housing. 5. The switch assembly of claim 1, said body comprising a spherical ball. 6. The switch assembly of claim 1, said first attractive component comprising a magnetic biasing ring disposed about said housing. 7. The switch assembly of claim 1, said body being a spherical ball formed of permanently magnetic material, and said first attractive component formed of magnetically susceptible material. 8. The switch assembly of claim 1, said first attractive component formed of permanent magnetic material, and said body being a spherical ball formed of material which is magnetically reactive to said first attractive component. 9. The switch assembly of claim 1, including a second attractive component adapted to be mounted upon an adjacent, shiftable structure. 10. The switch assembly of claim 9, said second attractive component being formed of material selected from the group consisting of permanently magnetized materials and magnetically susceptible materials. 11. The switch assembly of claim 1, said switch assembly being adapted for mounting adjacent a doorway for monitoring the position of a door within the doorway. 12. The switch assembly of claim 1, said switch assembly being adapted for mounting adjacent a window frame for monitoring the position of a window within a window frame. 13. The switch assembly of claim 1, said switch assembly being adapted for mounting as a proximity sensor to monitor magnetic conditions adjacent said housing. 14. The switch assembly of claim 1, said top cover formed of non-conductive synthetic resin material. 15. The switch assembly of claim 1, said housing formed of synthetic resin material.
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