Record player

Details Record player Record player

1979-06-15

1982-01-19

Stephan, Steven L.

Dynamic information storage or retrieval

Dynamic mechanism subsystem

Having power driven transducer assembly

369225, 369228, G11B 310, G11B 308, G11B 1706

Patent

active

043120610

ABSTRACT:
A record player having a tone arm, a tone arm drive device in the horizontal and vertical directions, a detector detecting a rotary position of the tone arm and generating a voltage corresponding to the rotary position of the tone arm, and a circuit producing a voltage to set the tone arm at a desired position. In this case, a specific knob is provided in connection with the circuitry so as to move the tone arm to the desired position by operating the knob electrically.

REFERENCES:
patent: 4121836 (1978-10-01), Cheeseboro
patent: 4143879 (1979-03-01), Wren
patent: 4184688 (1980-01-01), Omura

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