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:
Apr. 01, 1980
Filed:
Sep. 18, 1978
Applicant:
Inventor:
Shizuo Inaba, Tokorozawa, JP;
Assignee:
Pioneer Electronic Corporation, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
G11B / ;
U.S. Cl.
CPC ...
274 / ; 274 / ;
Abstract
A turntable rotation controlling apparatus for use in a record player includes a logic sum gate circuit, wherein a phono-motor for rotating the turntable is driven when the gate circuit is conductive. The gate circuit is rendered conductive in response to the horizontal movement of a tone arm and/or the vertical movement thereof.
Inaba, Shizuo. (1980). Turntable rotation controlling apparatus (U.S. Patent No. 4195845). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4195845
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile