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:
Feb. 26, 2002
Filed:
Dec. 22, 1995
Applicant:
Inventors:
Hideki Sawada, Kyoto, JP;
Hiromi Ogata, Kyoto, JP;
Assignee:
Rohm Co., Ltd., Kyoto, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41J 2/435 ; B41J 2/45 ;
U.S. Cl.
CPC ...
B41J 2/435 ; B41J 2/45 ;
Abstract
A current control circuit including at least one bit corrector for performing full-scale activation or deactivation of a voltage to gate terminals of output units according n-bit correction data, and at least one digital to analog converter for adjusting a voltage to be applied between drain and source terminals of transistors of the output units. This circuit is used for the bit correction and gradation control.