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:
May. 14, 1996
Filed:
Jul. 28, 1992
Applicant:
Inventor:
Noriyuki Matsui, Kawasaki, JP;
Assignee:
Fujitsu Limited, Kanagawa, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03K / ;
U.S. Cl.
CPC ...
326 27 ; 326 28 ;
Abstract
In an output circuit for driving a load connected to an output terminal in accordance with an input signal input to an input terminal, the output circuit connects to the input and output terminals, a first output buffer which operates when activated; connects in parallel to the first output buffer, a second output buffer which, when activated, operates with driving ability higher than the first output buffer; and activates the second output buffer for a predetermined period when the input signal is input and, after the period, activates the first output buffer.