Referenziert von|
| US4055734 | 11. Juli 1975 | 25. Okt. 1977 | | Keyboard switch assembly with hinged pushbuttons and cantilevered terminal members | | US4066860 | 25. Sept. 1975 | 3. Jan. 1978 | Sharp Kabushiki Kaisha | Pushbutton switch key arrangement for keyboards having indicia | | US4351988 | 8. Dez. 1980 | 28. Sept. 1982 | NCR Corporation | Keyboard switch assembly | | US5929401 | 19. Febr. 1998 | 27. Juli 1999 | U.S. Philips Corporation | Curved keyboard keypad and contact structure | | US6147314 | 30. Nov. 1998 | 14. Nov. 2000 | Palm, Inc. | Button pivot bar | | US6552282 | 19. Sept. 2001 | 22. Apr. 2003 | Palm, Inc. | Floating button design for a handheld computer | | US7875817 | 11. Juli 2008 | 25. Jan. 2011 | Canon Kabushiki Kaisha | Electronic apparatus |
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