Calculators

Historical Document · 1978

US Patent 4,110,967: Method and System for Driving a Liquid Crystal Display Device

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Static and matrix (multiplexed) drive on one LCD for a watch, with 128 Hz and 32 Hz drive derived from 32,768 Hz (priority 2 September 1975).

Author
Fujita
Year
1978
Type
Historical Document
Credit
US Patent and Trademark Office; via Google Patents.

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US Patent 4,110,967: Method and System for Driving a Liquid Crystal Display Device