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:
Oct. 25, 1983
Filed:
Mar. 18, 1981
Applicant:
Inventors:
Assignee:
Sony Corporation, Tokyo, JP;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G05B / ; G11B / ;
U.S. Cl.
CPC ...
369233 ; 369 41 ; 369206 ; 369226 ; 369243 ;
Abstract
A record changer for a record playing apparatus of the type including a center spindle on which records are adapted to be held and then dropped onto a turntable to be played, includes a tone arm for reproducing signals which are recorded on a record, dropped onto the turntable, a detecting device for detecting the position of the tone arm, an operating mechanism for controlling the operation of the record changer when the detecting device detects that the tone arm is in an inoperative position, and a device for stopping the operation of the record changer during operation of the operating means when the detecting device detects that the tone arm is in an operative position.