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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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Ely Richard I: Dispositif de commutation moule pour guide de lumiere, Molded optical waveguide switching apparatus. Burroughs Corporation, R WILLIAM WRAY & ASSOCIATES, September 9, 1986: CA1210975

ABSTRACT Molded optical waveguide switching apparatuswherein a flat, planar light transmissive plastic memberof a refractive index N2 is premolded with orthognallyarranged obverse and reverse grooves or channels andwherein each such channel or groove is filled-in ormolded with a light transmissive p ...


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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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Ely Richard I, Mosier Carl E: Commutateur monoplan a membrane optique et clavier, Single plane optical membrane switch and keyboard. Burroughs Corporation, R WILLIAM WRAY & ASSOCIATES, August 12, 1986: CA1209386

ABSTRACT Photo-optical switch apparatus useful forexample in keyboard switches includes a photo-polymerized orthogonal matrix of horizontal and verticalintersecting light channels or guides, monolithicallyformed by exposure to ultraviolet light on a flatplanar, plastic substrate. Each intersection h ...


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Ely Richard I: Molded optical waveguide switching apparatus. Burroughs Corporation, CHUNG Edmund M, September 29, 1983: WO/1983/003313

Molded optical waveguide switching apparatus wherein a flat, planar light transmissive plastic member (10) of a refractive index N¿2? is premolded with orthogonally arranged obverse and reverse grooves or channels (18, 22) and wherein each such channel or groove is filled-in molded with a light tran ...


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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 ...