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.

Date of Patent:
Sep. 19, 1989

Filed:

Dec. 10, 1987
Applicant:
Inventors:

Hiroshi Watanabe, Mobara, JP;

Satoshi Nagasawa, Mobara, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G09G / ;
U.S. Cl.
CPC ...
340783 ; 340780 ; 340772 ;
Abstract

A fluorescent display device capable of significantly narrowing intervals between picture cells without narrowing an interval between each adjacent two control electrodes to exhibit a display with high resolution and simplifying its structure. The fluorescent display device includes a signal generating circuit for supplying control electrode drive signals different in voltage to a pair of selected control electrodes to control a display.


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Watanabe, Hiroshi. (1989). Fluorescent display device (U.S. Patent No. 4868555). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4868555

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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