The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 24, 1976
Filed:
Oct. 15, 1974
Isamu Washizuka, Kyoto, JA;
Hirohide Nakagawa, Sakurai, JA;
Sharp Kabushiki Kaisha, Osaka, JA;
Abstract
An improvement on a display system which displays multi-digit numeral information on a time-shared basis in response to application of bipolarity alternating voltage to liquid crystal display units. Each of the liquid crystal display units has a common electrode actuated by one of sequentially phase-shifted timing signals and a predetermined number of segment electrodes actuated by segment signals of which combinations are representative of the multi-digit numeral information to be displayed. Particularly, in the present system, visual display is provided over successive repetition of first and second display cycles in a manner that timing selection for the respective common electrodes is effected with one polarity or phase during the first display cycle and subsequently timing selection for the same is effected with the opposite polarity or phase during the second display cycle. This provides a considerable improvement in life time and immunity from blinking information caused due to the decreasing of display frequency.