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:
Jan. 07, 2020
Filed:
Apr. 24, 2019
Applicant:
Seiko Epson Corporation, Tokyo, JP;
Inventor:
Mitsuaki Sawada, Fujimi, JP;
Assignee:
Seiko Epson Corporation, , JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03K 17/16 (2006.01); H03L 1/02 (2006.01); H03B 5/36 (2006.01); H03B 5/04 (2006.01);
U.S. Cl.
CPC ...
H03K 17/167 (2013.01); H03B 5/04 (2013.01); H03B 5/368 (2013.01); H03L 1/023 (2013.01);
Abstract
An output buffer circuit includes an output node, a P-type transistor, an N-type transistor, and a first variable resistor circuit provided in a signal path between a drain of one of the P-type transistor and the N-type transistor and the output node.