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Mosier Carl E, Ely Richard I, Subbarao Wunnava V, Andree James E: Fiber wrap keyboard and switch.. Burroughs, September 21, 1983: EP0089239-A2 (1 worldwide citation)

Photo-optical keyboard matrix including a plurality of light transmitting optical fibers. The fibers are arranged in rows and columns with light generating means disposed at the row terminations of the fibers and light receptors are disposed at the column terminations of the fibers. The fibers are a ...


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Mosier Carl E, Ely Richard I, Subbarao Wunnava V: Molded optical keyboard having fiber optic keys.. Burroughs, September 21, 1983: EP0089238-A2

A molded fiber optical keyboard having a molded fiber optic keys wherein a matrix of elongated, parallel bundles of molded fiber optical assemblies are arranged into separated, planar layers disposed at right angles to one another. The individual light conductors of each bundle of molded fiber optic ...


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Subbarao Wunnava V, Ely Richard I: Commutateur multiplan a membranes optiques, Multi-plane optical membrane switch apparatus. Burroughs Corporation, R WILLIAM WRAY & ASSOCIATES, August 19, 1986: CA1209832

ABSTRACT A multi-plane optical membrane switch for usefor example in a keyboard matrix is formed by two flat,planar, clear, plastic members disposed in parallel,separated relationship and each having individuallight conducting guide or channels thereon. The channelsof the lower plane are disposed at ...


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Subbarao Wunnava V, Mosier Carl E, Ely Richard I, Free James E: Fiber wrap keyboard and switch. Burroughs Corporation, CHUNG Edmund M, September 29, 1983: WO/1983/003314

Photo-optical keyboard matrix (10) including a plurality of light transmitting optical fibers (12). The fibers are arranged in rows and columns with light generating means (14) disposed at the row terminations of the fibers and light receptors (16) are disposed at the column terminations of the fibe ...


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Mosier Carl E, Subbarao Wunnava V, Ely Richard I: Molded optical keyboard having fiber optic keys. Burroughs Corporation, CHUNG Edmund M, September 29, 1983: WO/1983/003310

A molded fiber optical keyboard having a molded fiber optic keys wherein a matrix of elongated, parallel bundles of molded fiber optical assemblies (12, 14) are arranged into separate, planar layers disposed at right angles to one another. The individual light conductors (16) of each bundle of molde ...


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Ely Richard I, Subbarao Wunnava V: Multi-plane optical membrane switch apparatus. Burroughs Corporation, CHUNG Edmund M, September 29, 1983: WO/1983/003311

A multi-plane optical membrane switch for use for example in a keyboard matrix is formed by two flat, planar, clear, plastic members (10, 12) disposed in parallel, separated relationship and each having individual light conducting guide or channels (14, 16) thereon. The channels of the lower plane a ...