1
Bogdan Serban: Flexible keyboard. IEE International Electronics & Engineering, Oblon Spivak McClelland Maier & Neustadt P C, August 15, 2006: US07091436 (103 worldwide citation)

A flexible data input device including a first textile layer and a second textile layer, which are arranged spaced apart from each other by a spacer. The spacer includes apertures delimiting the active zones of the data input device. The two textile layers are electroconductive in the active zones a ...


2
Pak Jong Chu: Multi-contact push-button switch and plural embodiment for keyboard switch assembly. Northern Electric Company, Sidney T Jelly, June 14, 1977: US04029916 (59 worldwide citation)

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 ...


3
Christopher J Gorbatoff: Dual detent dome switch assembly. General Motors Corporation, William A Schuetz, Cary W Brooks, September 24, 1996: US05559311 (56 worldwide citation)

An electrical switch assembly has a resilient dual detent dome carrying concentric electrically conducting pellets which sequentially contact conductive ends of traces on a printed circuit board in response to partial and full depression of the dome. The dome is designed to provide a first tactile f ...


4
Jonathan Farringdon: Electrical switch for use in garments. Koninklijke Philips Electronics, November 4, 2003: US06642467 (25 worldwide citation)

A switch suitable for use in garments is provided. The switch comprises an arrangement of at least two electrically conductive contact portions provided in the form of textile fastener components. The textile fastener components may be stud fastener components mounted on fabric portions and normally ...


5
Jean Claude Lefebvre: Axial load resistant key switch. ITT Composants Et Instruments, Thomas L Peterson, February 7, 1989: US04803321 (22 worldwide citation)

A short travel key switch comprising an electrically insulating base having a bottom and a cylindrical lateral wall defining a cavity closed by a cap. A central contact and a lateral contact are mounted on the bottom. The periphery of a switching element received in the cavity is in electrical conta ...


6
Jean Yves Brozille: Snap switch. Crouzet, Jacobs & Jacobs, August 5, 1980: US04216358 (14 worldwide citation)

A snap switch comprises a control button, a control rod slidable with the control button via a spring, two pairs of contacts associated, respectively, with two pairs of terminals, the two contacts of each pair of contacts being connectable by resilient conducting means under the action of a setting ...


7
Carl A Wirz: Actuating device for a battery operated module. Imirie Smiley & Guay, May 1, 1979: US04152564 (13 worldwide citation)

An actuating device for a battery operated electronic module accommodated in a metallic or plastic case and comprising one push-button associated with a return-spring, said push-button including one resilient section with a collar which, cooperating with an opening in an element acting as a support ...


8
David A Hohider: Thermal cutoff with floating contact member. Therm O Disc Incorporated, Jones Day Reavis & Pogue, June 25, 1996: US05530417 (9 worldwide citation)

A thermal cutoff having a mushroom-shaped floating contact member with an enlarged head and an elongated shank. The outwardly facing end of the enlarged head has a centrally located depression for reducing the area of the head end surface that engages a sliding contact for the purpose of increasing ...


9
Tomoaki Itabashi: Switching device. Asahi Kogaku Kogyo Kabushiki Kaisha, Sandler Greenblum & Bernstein, June 2, 1992: US05118912 (9 worldwide citation)

A switching device having an operation button member to be depressed includes at least one contact member to be moved by the operation button member when the operation button member is depressed. The contact member is electrically conductive and a conductive member for contacting the contact member ...


10
Richard A Eardley, Brian J Keenan, Ian A Lawson, John McAllister: Membrane keyboards. International Business Machines Corporation, Laurence R Letson, April 24, 1990: US04920237 (7 worldwide citation)

A membrane keyboard has two spaced flexible membranes (1 and 2) carrying contact pad assemblies. Acoustic pads (15) of expanding ink are printed on the top surface of the upper membrane (2) between the contact pads (4) and the key buttons used to operate the contact switches formed by the pairs of o ...