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. 04, 1980
Filed:
Sep. 14, 1978
Applicant:
Inventors:
Assignee:
Sony Corporation, Tokyo, JP;
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G11B / ;
U.S. Cl.
CPC ...
1791 / ; 274 / ; 1791 / ; 1791 / ; 1791 / ;
Abstract
A record player for use with a stationary conventional record disc having a sprial sound groove with signals recorded therein includes a movable body which is placed on the record disc, a drive assembly for causing the movable body to travel over the record disc, a pick-up or cartridge pivotally mounted at the underside of the movable body for engaging the sound groove and reproducing the signals recorded therein while tracking the spiral sound groove as the movable body travels on the record disc, and an arrangement for controlling the travel on the movable body relative to the record disc in response to pivotal movement of the pick-up.