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:
Sep. 11, 1990
Filed:
Dec. 01, 1988
Applicant:
Inventors:
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B / ;
U.S. Cl.
CPC ...
360 27 ; 358310 ; 358335 ; 358343 ; 360 191 ;
Abstract
The disclosure recording and reproducing apparatus is arranged to have a control signal recorded in a predetermined track on a recording medium and is arranged to control the reproduced level of an audio or video signal by reproducing the control signal.
Takimoto, Hiroyuki. (1990). Information signal reproducing apparatus in which control signal (U.S. Patent No. 4956726). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4956726
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile