1975-04-08
1977-07-12
Schaefer, Robert K.
58 23R, 350160R, G04B 1930
Patent
active
040345505
ABSTRACT:
An electronic wristwatch having an improved digital display is provided. The display elements include first electrodes adapted to be referenced to a first potential and second electrodes spaced apart from said first electrodes and adapted to be charged to at least two distinct potentials. An oxidation-reduction sensitive compound is disposed between said first and second spaced apart electrodes the compound being reduced to a first condition of transparency in response to a first difference in potential between said first and second electrodes and being oxidized to a second condition of transparency in response to a second difference in potential between said first and second electrodes. Novel circuitry is utilized to incorporate the digital display in an electronic wristwatch.
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Kouchi Akihiko
Takeda Shuji
Takeshita Hiroshi
Kabushiki Kaisha Suwa Seikosha
Miska Vit W.
Schaefer Robert K.
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