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. 20, 1990
Filed:
Jun. 23, 1988
Applicant:
Inventors:
Kenzo Akagiri, Kanagawa, JP;
Tomoko Sato, Kanagawa, JP;
Assignee:
Sony Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04B / ;
U.S. Cl.
CPC ...
333 14 ; 381106 ;
Abstract
In an amplitude expanding/compressing circuit for expanding, compressing, or expanding and compressing an amplitude of an input signal, the following are provided:
Akagiri, Kenzo. (1990). Amplitude compressing/expanding circuit (U.S. Patent No. 4972164). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4972164
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile