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.

Date of Patent:
Apr. 15, 1980

Filed:

Feb. 07, 1979
Applicant:
Inventor:

Yasuyuki Miura, Machida, JP;

Assignee:

Ozen Co., Ltd., Machida, JP;

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G11B / ; A63H / ;
U.S. Cl.
CPC ...
274 / ; 274 / ;
Abstract

A record player having a tone arm which returns automatically to the starting point of sound reproduction, at which position the tone arm pushes down, by means of a spring for imparting a stylus force, a movable contact of a switch connected to a power source so as to move the movable contact blade away from engagement with a fixed electrical contact blade. The movable contact blade and the fixed contact blade are placed in vertically opposed relation with each other at the starting point, in the same direction as that of the stylus force. Thus, the fixed contact blade supports and moderates a downward movement of the tone arm.


Find Patent Forward Citations

Miura, Yasuyuki. (1980). Simplified record player (U.S. Patent No. 4198057). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4198057

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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