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Multi-contact push-button switch and plural embodiment for keyboard switch assembly

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • H01H-013/70
  • H01H-001/14
출원번호 US-0569381 (1975-04-18)
발명자 / 주소
  • Chu Pak-Jong (Ottawa CA)
출원인 / 주소
  • Northern Electric Company Limited (Montreal CA 03)
인용정보 피인용 횟수 : 48  인용 특허 : 3

초록

A push button switch has a spring contact plate and a circuit board in superposed position. The spring contact plate has one or more switch positions, each switch position comprising a prestressed domed portion surrounded by a flat sheet portion. The domed portion includes a central portion and radi

대표청구항

A pushbutton switch including a flat spring plate having a switch position comprising: a pre-stressed domed portion extending upwardly from said flat spring plate and having a central portion and a plurality of radial webs connecting said central portion and said flat spring plate, said flat spring

이 특허에 인용된 특허 (3)

  1. Misson William W. (Santa Rosa CA) Studley Clarence K. (Los Altos CA) West William J. (Los Altos CA) Liljenwall Edward T. (Sunnyvale CA), Keyboard having switches with tactile feedback.
  2. Chu Pak-Jong (Ottawa CA) Reedyk Cornelis Wilfred (Ottawa CA), Multi-contact push-button switch having plural prestressed contact members designed to provide plural circuit simultaneo.
  3. Yoder Alan C. (Fort Wayne IN), Push-button type binary switch device.

이 특허를 인용한 특허 (48)

  1. Gutman Robert F. (Detroit MI), Button set and switch.
  2. De Perini, Bruno, Control device for a bicycle and bicycle comprising same.
  3. Perini, Bruno De, Control device for a bicycle and bicycle comprising same.
  4. Georgopulos Thomas (Roselle IL), Designation cap actuator assembly.
  5. Nishimura,Tatsuya; Kasai,Toshiaki; Sakuraba,Yuuitsu; Misaki,Nobumasa, Diaphragm for use in switch, method for manufacturing thereof, membrane switch, and input device.
  6. Dinh, Richard Hung Minh; Hooton, Lee E., Dome switch stack and method for making the same.
  7. Dinh, Richard Hung Minh; Hooton, Lee E., Dome switch stack and method for making the same.
  8. Kennedy Maruice E. (Crystal Lake IL), Double throw snap action switch.
  9. Domzalski Frank M. ; Agnatovech William J., Dual tact switch assembly.
  10. Maller, Dennis A.; Westfall, David Lee, Electric solenoid structure having elastomeric biasing member.
  11. Chaput Guy J. (Carleton Place CAX) Sich Edward M. (Ottawa CAX), Electrical circuit on porcelain coated metal substrates.
  12. Choi, Yeon Soon, Electromagnetic switching device.
  13. Demari Daniel,FRX, Element forming an electric push-button.
  14. Kuroda Mitsuru,JPX, External button switch-installed structure.
  15. Kuroda Mitsuru,JPX, External button switch-installed structure.
  16. Rothlin Peter (Winterthur CHX), Key for a circuit board.
  17. Burkhardt Gottfried (Winkelhaid DEX), Key operated printed circuit switch.
  18. Burkhardt Gottfried (Am Bahndamm 29 D8501 Winkelhaid DEX), Key operated switch for keyboard.
  19. Hirano, Kazuhiko, Key switch structure.
  20. Pihlaja,Pekka, Keyboard and a method for manufacturing it.
  21. Matsumaru Akihiko (Ibaraki JPX), Keyboard switch.
  22. Kamei Seisuke (Nagano JPX) Nabetani Hideo (Suzaka JPX) Kinoshita Ryohei (Suzaka JPX), Keyboard switch and process for production thereof.
  23. Allbright Forrest E. (Centerville OH), Keyboard switch assembly.
  24. Bouvrande Andre M. (Boissy St Antoine FRX), Keyboard switch assembly.
  25. Langford Gordon B. (Chandler AZ), Keyboard switch assembly.
  26. Muller Michael (Newport Beach CA), Keyboard switch having combined actuator and jumper contact structure.
  27. Seeger ; Richard E., Keyboard with concave and convex domes.
  28. Wright ; deceased Duane H. (late of Coeur d\Alene ID BY Greta B. Wright ; personal representative) Meyer Stephen F. (Hayden Lake ID), Keyboards and methods of making keyboards.
  29. Thornburg David D. (Los Altos CA), Keyswitch arrangement.
  30. Huang,Yu Cheng, Metal dome switch.
  31. Wu, Chia-Chi; Gao, Zheng; Gao, Ming Gavin; Wang, Paul X.; Lehmann, Alex J.; Xu, Richard; Silz, Kenneth M.; Lee, Chia-Wei, Metal switch for input device.
  32. Caste, Thomas K., Multiple key with invisible hinge.
  33. Rebel,Jacob; Zhang,Kai, Positive action fenestration lock.
  34. Ono Yutaka,JPX ; Iwama Naoya,JPX ; Yamagata Takeo,JPX, Push button switch including dome-shaped movable contact having reverse function.
  35. Murata Taneo (Tokyo JPX), Push-button switch.
  36. Yanai, Yasunori; Watanabe, Hisashi, Push-on switch.
  37. Chu Pak J. (Nepean CAX), Pushbutton switch assembly.
  38. Murata Taneo (Tokyo JPX), Pushbutton switch assembly.
  39. Hochgesang Gerhard (Bad Neustadt/Saale-Lebenhan DEX) Oelsch Jurgen (Hohenroth DEX), Pushbutton switch device.
  40. Braun, Hans; Weigt, Josef; Fuhr, Steffen, Relay with self-resilient contact bridge.
  41. Watanabe Toshio (Saijo JPX), Snap fitted push-button switch actuator assembly.
  42. Krubsack Larry J. (Colgate WI) Handy Allen L. (North Prairie WI) Lawton John G. (Milwaukee WI), Solenoid switch contact and mounting assembly.
  43. Hsu, Feng-Hsiung, Spring configuration for touch-sensitive input device.
  44. Karpe Wolfgang (Wetter DEX) Kluge Johannes (Wetter DEX) Oemus Klaus-Dieter (Hemer DEX), Switch.
  45. Smith ; Theodore Dennis, Switch mechanism for a calculator type keyboard.
  46. Hodges Robert J. (Cheshunt GB2), Switches.
  47. Pounds Walter R. (Lafayette CO) Dunlap Bill D. (Longmont CO), Switching assemblies.
  48. Selker Edwin Joseph ; Dyer William Marvin ; Allison Jeffrey Daniel, Thin keyboard switch assembly with hinged actuator mechanism.
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