Pickup arm control system in record player or the like

Details Pickup arm control system in record player or the like Pickup arm control system in record player or the like

1977-05-16

1980-04-01

Rubinson, Gene Z.

Electricity: motive power systems

Positional servo systems

Digital or numerical systems

274 15R, 1791004D, G05B 1928

Patent

active

041963792

ABSTRACT:
In an automatic record disk player, various information as the disk size, the position of the pickup arm, and various operation commands, is supplied as digital signals to a logic circuit, in which logical operations are carried out to control the pickup arm according to a select operation sequence. Manual operation is compatible with the automatic operation, and interruption or discontinuation of play can be achieved at any moment.

REFERENCES:
patent: 3937903 (1976-02-01), Osann, Jr.
patent: 3993315 (1976-11-01), Hansen et al.

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