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, 1979
Filed:
Mar. 09, 1978
Applicant:
Inventor:
Hatsuhiko Shinoda, Komae, JP;
Assignee:
Sony Corporation, Tokyo, JP;
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01R / ; H03K / ;
U.S. Cl.
CPC ...
3241 / ; 307351 ; 328151 ;
Abstract
A meter drive circuit includes a signal input circuit through which an input signal is applied to a peak hold circuit for producing an output signal which indicates an instantaneous peak value of the input signal and which is held for a predetermined time, a sample and hold circuit for sampling the level of the output signal of the peak hold circuit, and holding the sampled level, and a signal level indicator connected to the sample and hold circuit to provide an indication of the sampled level.
Shinoda, Hatsuhiko. (1979). Meter drive circuit (U.S. Patent No. 4175252). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4175252
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile