Electrical generator or motor structure – Dynamoelectric – Rotary
Patent
1978-04-20
1980-11-18
Gellner, Michael L.
Electrical generator or motor structure
Dynamoelectric
Rotary
40451, 310331, 310800, 340763, 354234, G05D 2502, G09F 304, G09F 937
Patent
active
042342457
ABSTRACT:
A light control device includes a bimorph element comprising two thin polyvinylidene fluoride films and a thin layer disposed therebetween to secure the films together. The bimorph element bends in accordance with an applied electric field to open or close an opening in a panel, thereby displaying a pattern, or to open or close a passageway of light, thereby performing a shutter operation.
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patent: 2016025 (1935-10-01), Schribner et al.
patent: 3110824 (1963-11-01), Flanagan
patent: 3442570 (1969-05-01), Picker
patent: 3816774 (1974-06-01), Ohnuki et al.
patent: 3837102 (1974-09-01), Golay
patent: 3897997 (1975-08-01), Kalt
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patent: 4089927 (1978-05-01), Taylor
patent: 4093883 (1978-06-01), Yamamoto
Report on Flat Type Loudspeaker by J. Ohga to I.E.C.E. of Japan, Sep. 27, 1972.
Paper presented to I.E.C.E. of Japan by M. Toda and S. Osaka, Mar. 1978.
Osaka Susumu
Toda Minoru
Gellner Michael L.
Norton Edward J.
RCA Corporation
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