IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0793193
(2010-06-03)
|
등록번호 |
US-8552321
(2013-10-08)
|
발명자
/ 주소 |
- Low, Wing Kong
- La, Thai Quoc
|
출원인 / 주소 |
|
대리인 / 주소 |
Brownstein, Hyatt, Farber & Schreck, LLP
|
인용정보 |
피인용 횟수 :
3 인용 특허 :
7 |
초록
▼
Multiple-pole single-throw dome switch assemblies for electronic devices and methods for creating the same are provided. For example, a switch assembly may include a deformable dome that may have a conductive inner surface. The switch assembly may also include three conductive pads, at least two of
Multiple-pole single-throw dome switch assemblies for electronic devices and methods for creating the same are provided. For example, a switch assembly may include a deformable dome that may have a conductive inner surface. The switch assembly may also include three conductive pads, at least two of which may be positioned underneath the dome. When the dome is deformed, each one of the three conductive pads may be electrically coupled to the conductive inner surface of the dome. When the dome is not deformed, at least one of the three conductive pads may be electrically isolated from the conductive inner surface of the dome.
대표청구항
▼
1. A multiple-pole single-throw switch assembly comprising: three electrical contacts; anda deformable dome comprising an outer layer and a uniform inner conductive layer configured to:electrically couple each one of the three contacts with the conductive layer only when the dome is deformed; andele
1. A multiple-pole single-throw switch assembly comprising: three electrical contacts; anda deformable dome comprising an outer layer and a uniform inner conductive layer configured to:electrically couple each one of the three contacts with the conductive layer only when the dome is deformed; andelectrically isolate at least two of the three contacts from the conductive layer when the dome is not deformed. 2. The multiple-pole single-throw switch assembly of claim 1, wherein the dome is further configured to electrically couple a first one of the three contacts with the conductive layer when the dome is deformed and when the dome is not deformed. 3. The multiple-pole single-throw switch assembly of claim 2, wherein the dome is further configured to electrically isolate both a second one of the three contacts and a third one of the three contacts from the conductive layer when the dome is not deformed. 4. The multiple-pole single-throw switch assembly of claim 3, wherein the dome is further configured to electrically couple both the second one of the three contacts and the third one of the three contacts to the conductive layer when the dome is deformed. 5. A switch assembly for an electronic device comprising: a first conductive pad;a second conductive pad;a third conductive pad; andan actuator comprising an inner conductive dome surface, wherein:the actuator is deformable from an undeformed state to a deformed state;the inner conductive dome surface is electrically coupled to each one of the first, second, and third conductive pads when the actuator is in the deformed state;the inner conductive dome surface is electrically decoupled from at least one of the first, second, and third conductive pads when the actuator is in the undeformed state;a first portion of the inner conductive dome surface comprising a first group of at least two dimples extending away from a first position of the inner conductive dome surface is electrically coupled to the first conductive pad only when the actuator is in the deformed state;a second portion of the inner conductive dome surface comprising a second group of at least two dimples extending away from a second position of the inner conductive dome surface is electrically coupled to the second conductive pad only when the actuator is in the deformed state;the first portion of the inner conductive dome surface defines a first portion of a concavity when the actuator is in the undeformed state; andthe second portion of the inner conductive dome surface defines a second portion of the concavity when the actuator is in the undeformed state. 6. The switch assembly of claim 5, wherein the first and second positions are proximate to the center of the interior surface of the dome. 7. The switch assembly of claim 5, wherein the first position and the second position are spaced equally apart from the center of the interior surface of the dome. 8. The switch assembly of claim 5, wherein: a third portion of the inner conductive surface is electrically coupled to the third conductive pad when the actuator is in the deformed state; andthe third portion of the inner conductive surface is provided at a peripheral portion of the dome. 9. The switch assembly of claim 5, wherein: a third portion of the inner conductive surface is electrically coupled to the third conductive pad when the actuator is in the deformed state; andthe third portion of the inner conductive surface comprises a conductive tab extending away from the dome. 10. The switch assembly of claim 5, wherein: the electronic device comprises a circuit board;the first, second, and third conductive pads are coupled to the circuit board; andat least a portion of the actuator is coupled to the circuit board. 11. The switch assembly of claim 5, wherein: the electronic device comprises a first electronic component and a second electronic component;the first conductive pad is electrically coupled to the first electronic component; andthe second conductive pad is electrically coupled to the second electronic component. 12. The switch assembly of claim 5, wherein the concavity defines a hollow under which the first conductive pad and the second conductive pad are positioned when the actuator is in the undeformed state. 13. The switch assembly of claim 5, wherein: the concavity extends between a periphery of the actuator; andat least a portion of the periphery is electrically coupled to the third conductive pad when the actuator is in the undeformed state. 14. The switch assembly of claim 5, wherein at least a portion of the concavity is inverted when the actuator is in the deformed state. 15. The switch assembly of claim 5, wherein: a third portion of the inner conductive surface is electrically coupled to the third conductive pad when the actuator is in the deformed state;when the actuator is in the undeformed state, at least one of the first portion and the second portion is in a first plane;when the actuator is in the undeformed state, the third portion is in a second plane; and the first plane is not parallel to the second plane. 16. The switch assembly of claim 5, wherein: a third portion of the inner conductive surface is electrically coupled to the third conductive pad when the actuator is in the deformed state. 17. The switch assembly of claim 16, wherein the third portion of the inner conductive surface is also electrically coupled to the third conductive pad when the actuator is in the undeformed state. 18. The switch assembly of claim 16 further comprising at least a fourth contact pad, wherein at least a fourth portion of the inner conductive surface is respectively electrically coupled to the at least a fourth contact pad when the actuator is in the deformed state. 19. Electronic device circuitry comprising: a first multiple-pole single-throw dome switch assembly, comprising: a first, second, and third conductive pads; andan actuator deformable from an undeformed state to a deformed state comprising an inner conductive dome surface, wherein:the inner conductive dome surface is electrically coupled to each one of the first, second, and third conductive pads when the actuator is in the deformed state and electrically decoupled from at least one of the first, second, and third conductive pads when the actuator is in the undeformed state;a first portion of the inner conductive dome surface comprising a first group of at least two dimples extending away from a first position of the inner conductive dome surface is electrically coupled to the first conductive pad only when the actuator is in the deformed state; anda second portion of the inner conductive dome surface comprising a second group of at least two dimples extending away from a second position of the inner conductive dome surface is electrically coupled to the second conductive pad only when the actuator is in the deformed state;a second multiple-pole single-throw dome switch assembly;a first electronic component coupled to a first pole of the first multiple-pole single-throw dome switch assembly and to a first pole of the second multiple-pole single-throw dome switch assembly; anda second electronic component coupled to a second pole of the first multiple-pole single-throw dome switch assembly and to a second pole of the second multiple-pole single-throw dome switch assembly. 20. The electronic device circuitry of claim 19, wherein: a first port of the first electronic component is coupled to the first pole of the first multiple-pole single-throw dome switch assembly and to the first pole of the second multiple-pole single-throw dome switch assembly;a first port of the second electronic component is coupled to the second pole of the first multiple-pole single-throw dome switch assembly; anda second port of the second electronic component is coupled to the second pole of the second multiple-pole single-throw dome switch assembly. 21. The electronic device circuitry of claim 20, wherein: the first electronic component is a power providing component; andthe second electronic component is a processing component. 22. A switch assembly for an electronic device comprising: a first conductive pad;a second conductive pad;a third conductive pad; andan actuator comprising an inner conductive dome surface, wherein:the actuator is deformable from an undeformed state to a deformed state;the inner conductive dome surface is electrically coupled to each one of the first, second, and third conductive pads when the actuator is in the deformed state;the inner conductive dome surface is electrically decoupled from at least one of the first, second, and third conductive pads when the actuator is in the undeformed state;a first portion of the inner conductive dome surface is electrically coupled to the first conductive pad only when the actuator is in the deformed state;a second portion of the inner conductive dome surface is electrically coupled to the second conductive pad only when the actuator is in the deformed state;a third portion of the inner conductive dome surface is electrically coupled to the third conductive pad when the actuator is in the deformed state;the first portion of the inner conductive dome surface is provided at a first position along the interior surface of the dome;the second portion of the inner conductive dome surface is provided at a second position along the interior surface of the dome;the first portion comprises a first group of at least two dimples; each one of the dimples of the first group extends away from the interior surface of the dome;at least one of the dimples of the first group electrically contacts the first conductive pad when the actuator is in the deformed state:the second portion comprises a second group of at least two dimples; each one of the dimples of the second .group extends away from the interior surface of the dome; andat least one of the dimples of the second group electrically contacts the second conductive pad when the actuator is in the deformed state. 23. A method for manufacturing a dome switch assembly comprising: providing a deformable actuator comprising a conductive inner dome surface;positioning a first conductive pad in a first position underneath the inner dome surface that is electrically isolated from the inner dome surface when the actuator is undeformed and that is electrically coupled to at least one of a first group of at least two dimples extending away from a first portion of the inner dome surface when the actuator is deformed;positioning a second conductive pad in a second position underneath the inner dome surface that is electrically isolated from the first conductive pad and the inner dome surface when the actuator is undeformed and that is electrically coupled to at least one of a second group of at least two dimples extending away from a second portion of the inner dome surface when the actuator is deformed; andpositioning a third conductive pad in a third position that is electrically coupled to the inner dome surface when the actuator is deformed, wherein:the first portion of the inner dome surface is deformed when the actuator is deformed;the first portion of the inner dome surface is undeformed when the actuator is undeformed;the second portion of the inner dome surface is deformed when the actuator is deformed; andthe second portion of the inner dome surface is undeformed when the actuator is undeformed. 24. The method of claim 23, wherein the positioning the third conductive pad comprises physically coupling the third conductive pad to a peripheral portion of the inner surface.
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