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:
Apr. 16, 1996
Filed:
Mar. 05, 1993
Applicant:
Inventors:
Assignee:
Rohm Co., Ltd., , US;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41J / ;
U.S. Cl.
CPC ...
347211 ;
Abstract
In a thermal head driving integrated circuit, input serial data are converted into parallel data by a shift register. The ANDs of the parallel data obtained and a strobe signal is obtained, and transistors are driven in accordance with the ANDs. An input selection circuit determines the serial/parallel conversion timing and the transistor driving timing in accordance with the value input from select signal input terminals. The serial/parallel conversion timing and the transistor driving timing are constantly different from each other, so that latch circuits for latching the parallel data are obviated. The select signal input terminals are selectively pulled up/down.