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:
Nov. 08, 1983
Filed:
Dec. 09, 1981
Applicant:
Inventors:
Hiroshi Sakurada, Mobara, JP;
Naofumi Aoyama, Mobara, JP;
Assignee:
Hitachi, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G09G / ;
U.S. Cl.
CPC ...
340790 ; 340784 ; 340735 ;
Abstract
A liquid crystal display character generator circuit comprises a first RAM for temporarily storing information to be displayed on a liquid crystal display unit, a ROM for storing standard character patterns corresponding to the information to be displayed, a second RAM operable to store special character patterns corresponding to the information to be displayed, and a data selector for enabling the designation of an address in one of the ROM and the second RAM in accordance with the information stored in the first RAM.