Vehicle seat assembly having a vehicle occupant sensing system with a biasing pad
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
A47C-007/62
B60R-021/16
출원번호
US-0974155
(2004-10-27)
발명자
/ 주소
Young,Oliver J.
Ali,Asad S.
Nathan,John F.
Ricard,Christopher T.
Galbreath,Ash
출원인 / 주소
Lear Corporation
인용정보
피인용 횟수 :
3인용 특허 :
100
초록▼
A vehicle occupant sensing system for a vehicle seat assembly that includes at least one emitter and at least one sensor operable to detect relative distance between the sensor and the emitter to thereby detect a condition of the vehicle seat assembly. The vehicle occupant sensing system also includ
A vehicle occupant sensing system for a vehicle seat assembly that includes at least one emitter and at least one sensor operable to detect relative distance between the sensor and the emitter to thereby detect a condition of the vehicle seat assembly. The vehicle occupant sensing system also includes a biasing pad adapted so as to be disposed below a seat cushion of the vehicle seat assembly so as to deflect in response to deflection of the seat cushion. The biasing pad supports at least one of the emitter and the sensor such that the emitter and the sensor are biased away from each other and such that one of the emitter and the sensor are supported for movement toward and away from the other.
대표청구항▼
What is claimed is: 1. A vehicle occupant sensing system for a vehicle seat assembly, said vehicle occupant sensing system comprising: a plurality of emitters; a plurality of sensors, wherein each of said sensors is operatively paired to one of said emitters and adapted to detect relative distance
What is claimed is: 1. A vehicle occupant sensing system for a vehicle seat assembly, said vehicle occupant sensing system comprising: a plurality of emitters; a plurality of sensors, wherein each of said sensors is operatively paired to one of said emitters and adapted to detect relative distance therebetween, and thereby detect a condition of the vehicle seat assembly; and a biasing pad having a top surface and a bottom surface, said top surface adapted to be disposed below a lower surface of a seat cushion of the vehicle seat assembly so that said top surface of said biasing pad is adapted to be biased into contact with the lower surface of the seat cushion of the vehicle seat assembly, being deflectable in response to deflection of the seat cushion, said biasing pad supporting said plurality of emitters and said plurality of sensors such that said operatively paired emitters and sensors are biased away from each other and such that said operatively paired emitters and sensors are supported so that they are movable toward and away from the other. 2. A vehicle occupant sensing system as set forth in claim 1, wherein said biasing pad includes at least one cavity formed therein, and one of said operatively paired emitters and sensors is supported for movement toward and away from the other within said cavity. 3. A vehicle occupant sensing system as set forth in claim 1, further comprising a plurality of emitter holders mounted to said biasing pad, said plurality of emitters supported by said plurality of emitter holders. 4. A vehicle occupant sensing system as set forth in claim 3, wherein each of said emitter holders include a disc and a cup mounted to said disc, said emitters supported within said cup. 5. A vehicle occupant sensing system as set forth in claim 1, wherein said biasing pad is made out of a viscoelastic material. 6. A vehicle occupant sensing system as set forth in claim 1, further comprising a circuit carrier supporting an electric circuit, said sensors in electrical communication with said electric circuit, and said circuit carrier positioned against said biasing pad. 7. A vehicle occupant sensing system as set forth in claim 6, further comprising a tray with at least one tab, said tray supporting said circuit carrier, and said tab extending through said circuit carrier and mounted to said biasing pad. 8. A vehicle seat assembly comprising: a seat cushion having an upper surface and a lower surface; and a vehicle occupant sensing system that includes a plurality of emitters, a plurality of sensors, wherein each of said sensors is operatively paired to one of said emitters detecting a relative distance therebetween, thereby detecting a condition of the vehicle seal assembly, and a biasing pad having a top surface and a bottom surface, said top surface disposed below the lower surface of said seat cushion of the vehicle seat assembly so that said top surface of said biasing pad is biased into contact with said lower surface of said seat cushion, deflecting in response to deflection of said seat cushion, said biasing pad supporting said plurality of emitters and said plurality of sensors such that said operatively paired emitters and sensors mare biased away from each other and such that said operatively paired emitters and sensors are supported so that they are moveable toward and away from the other. 9. A vehicle seat assembly as set forth in claim 8, wherein said biasing pad includes at least one cavity formed therein, and one of said operatively paired emitters and sensors is supported for movement toward and away from the other within said cavity. 10. A vehicle seat assembly as set forth in claim 8, further comprising a plurality of emitter holders mounted to said biasing pad, said plurality of emitters supported by said plurality of emitter holders. 11. A vehicle seat assembly as set forth in claim 10, wherein each of said emitter holders include a disc and a cup mounted to said disc, said emitters supported within said cup. 12. A vehicle seat assembly as set forth in claim 8, wherein said biasing pad is made out of a viscoelastic material. 13. A vehicle seat assembly as set forth in claim 8, further comprising a circuit carrier supporting an electric circuit, said sensors in electrical communication with said electric circuit, and said circuit carrier positioned against said biasing pad. 14. A vehicle seat assembly as set forth in claim 13, further comprising a tray with at least one tab, said tray supporting said circuit carrier, and said tab extending through said circuit carrier and mounted to said biasing pad. 15. A vehicle occupant sensing system for detecting a condition of a vehicle seat assembly, said vehicle occupant sensing system comprising; a plurality of emitters; a plurality of sensors, wherein each of said sensors is operatively paired to one of said emitters and adapted to detect relative distance therebetween, and thereby detect a condition of the vehicle seat assembly; and a biasing pad having a plurality of cavities formed therein and a top surface, said top surface adapted to be disposed below a lower surface of a seat cushion of the vehicle seat assembly so that said top surface of said biasing pad is adapted to be biased into contact with a lower surface of the seat cushion, said biasing pad supporting said plurality of emitters and said plurality of sensors such that said operatively paired emitters and sensors are supported so that they are movable toward and away from the other within said cavities, said biasing pad biasing said emitters away from said sensors. 16. A vehicle occupant sensing system as set forth in claim 15, further comprising a plurality of emitter holders mounted to said biasing pad, said plurality of emitters supported by said plurality of emitter holders. 17. A vehicle occupant sensing system as set forth in claim 16, wherein each of said emitter holders include a disc and a cup mounted to said disc, said emitters supported within said cup such that said emitters are at least partially disposed in said cavity. 18. A vehicle occupant sensing system as set forth in claim 15, wherein said biasing pad is made out of a viscoelastic material. 19. A vehicle occupant sensing system as set forth in claim 15, further comprising a circuit carrier supporting an electric circuit, said sensors in electrical communication with said electric circuit, and said circuit carrier disposed relative to said biasing pad such that said sensors are disposed within said cavities. 20. A vehicle occupant sensing system as set forth in claim 19, further comprising a tray with at least one tab, said tray supporting said circuit carrier, and said tab extending through said circuit carrier and mounted to said biasing pad.
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