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Lynn William J, Seeger Richard E: Keyboard switch assembly with dome shaped actuator having associated underlying contactor means. Chomerics, Dike Bronstein Roberts Cushman & Pfund, January 14, 1975: US3860771 (122 worldwide citation)

A keyboard device utilizing a conductive plastic material layer which contacts circuit elements or pathways, the improvement of snapable plastic means raised on a pedestal through which it snaps through center to provide a feel of completion of circuit contact to the user.


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Seeger Jr Richard E, Lynn William J: Electrical interconnection and contacting system. Chromerics, Dike Bronstein Roberts & Cushman, June 18, 1974: US3818279 (45 worldwide citation)

Electrical interconnection and contacting system comprising an insulator flexible plastic, most preferably elastomeric material substrate having at least one layer of electrically conductive elastomeric material embedded therein. The present invention is useful in coupling integrated circuits or the ...


3
Seeger Jr Richard E, Lynn William J, Glaister Frank Joseph: Electrical interconnector and method of making. Chomerics, Dike Bronstein Roberts Cushman & Pfund, January 21, 1975: US3861135 (37 worldwide citation)

An electrical interconnector for coupling circuit broad terminals or the like to a liquid crystal package, an integrated circuit package or the like and which includes an insulating base member having a plurality of electrically conductive and elastomeric pads each of which extends from one face of ...


4
Seeger Jr Richard E, Lynn William J: Keyboard switch assembly with improved operator and contact structure. Chomerics, March 20, 1973: US3721778 (31 worldwide citation)

An encoded keyboard device which includes a plurality of layers of insulator material, at least two of which have patterns of electrically conductive material supported thereby, a plurality of holes extending through one of said layers and positioned with respect to said conductive patterns so that ...


5
Glaister Frank Joseph, Squitieri Vincent, Lynn William J: Keyboard switch assembly with multilayer, coextensive contactor means. Chomerics, Dike Bronstein Roberts Cushman & Pfund, January 21, 1975: US3862381 (28 worldwide citation)

A keyboard structure which includes a circuit board or the like having a plurality of contacts, an insulator layer having a plurality of holes therethrough, said holes positioned above said board to expose said contacts, composite means comprising an electrically non-conductive elastomeric layer hav ...


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Glaister Frank Joseph, Squitieri Vincent, Lynn William J: Keyboards switch assembly with multilayer pattern contact means. Chomerics, Dike Bronstein Roberts Cushman & Pfund, January 21, 1975: US3862382 (26 worldwide citation)

Keyboards for use in calculators, control equipment and the like, and which include a circuit board supporting electrical pathways, an insulator separator having openings registerable with portions of the pathways, a non-conductive elastomeric layer supporting a plurality of non-selfsupporting flexi ...


7
Fukukura Kazutoyo, Lynn William J: Commutateur a membrane avec contacts pouvant se fermer sequentiellement, Membrane switch with sequentially closeable contacts. Amp Incorporated, SMART & BIGGAR, August 20, 1985: CA1192244

Abstract: Membrane switch comprises a substrate having first,second, and third switch contacts thereon. A flexibleinsulating film extends parallel to the substrate and hasa commoning conductor on its underside. The flexiblefilm has first and second contact projections extendingtowards the substrate, ...


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