Tonearm position setting device

Details Tonearm position setting device Tonearm position setting device

1980-04-07

1982-06-29

Shepperd, John W.

Dynamic information storage or retrieval

Dynamic mechanism subsystem

Having power driven transducer assembly

369184, G11B 1706

Patent

active

043375375

ABSTRACT:
A record turntable tonearm positioning system having an engagement mechanism to limit movement of the tonearm and a control system to determine tonearm position. A drive system responsive to a predetermined signal drives the engaging mechanism and a detector measures tonearm position. The control system generates the predetermined signal in response to detector output to control the drive system.

REFERENCES:
patent: 3822889 (1974-07-01), Nakagawa
patent: 3993315 (1976-11-01), Hansen et al.
patent: 4098510 (1978-07-01), Suzuki et al.
patent: 4184687 (1980-01-01), Wren et al.
patent: 4200295 (1980-04-01), Ikedo

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