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:
Sep. 19, 1978

Filed:

Mar. 25, 1976
Applicant:
Inventors:

Leslie Alan Leach, Newton of Falkland, GB;

Henry Jamieson Riddoch, Leslie, GB;

Neil David Duffy, Glenrothes, GB;

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

Gramophone equipment incorporating photoelectric scanning to detect bands between record tracks; an electronic counter to count the detected bands; a selector for making track selections; an electronic memory for storing selections; control circuitry for comparing the contents of the counter and memory to control a tone arm of the equipment to play selected tracks and lift from a record at the end of a selection; and a tone arm drive comprising means for lifting and lowering the arm and means for driving the arm laterally under control of the control circuitry.


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