Horology: time measuring systems or devices – Combined with disparate device
Patent
1977-05-13
1981-05-19
Miska, Vit W.
Horology: time measuring systems or devices
Combined with disparate device
368 84, 368 87, 368320, 364705, G04B 4700, G04C 1900, G04B 2900, G06F 100
Patent
active
042689139
ABSTRACT:
An electronic calculator watch which comprises timekeeping means composed of an oscillator, a frequency divider connected to the oscillator, a counter circuit connected to the frequency divider, and a driver circuit connected to the counter circuit for providing an output signal indicative of time information, and calculating means composed of an oscillator circuit and a calculation circuit responsive to perform calculations under control of numerical inputs furnished by external operation device provided on a watch case. The watch also comprises a display including a first display section connected to the driver circuit of the timekeeping means to display the output signal delivered therefrom, and a second display section connected to the calculating means to display the result of calculations, each of the first and second display sections having a plurality of digit electrodes and a plurality of segment electrodes arranged in a matrix configuration.
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Daigo Kunihiro
Hatuse Toshikazu
Ichikawa Singo
Kashima Yoshinobu
Kawanobe Kouhei
Citizen Watch Co. Ltd.
Miska Vit W.
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