Motor drive unit for a record player

Details Motor drive unit for a record player Motor drive unit for a record player

1993-03-25

1995-10-31

Levy, Stuart S.

Dynamic information storage or retrieval

Dynamic mechanism subsystem

Specific detail of storage medium support or motion production

369264, G11B 360

Patent

active

054636132

ABSTRACT:
A drive for the turntable of an analogue record player has an output shaft for rotating the turntable via an endless belt extending around the output shaft and the periphery of the turntable. A disc rotatably supported in line with and connected to the output shaft for rotation therewith has a diameter considerably exceeding the diameter of the output shaft. A motor rotates the disc with a speed considerably greater than that of the turntable.

REFERENCES:
patent: 3030115 (1962-04-01), Hardy et al.
patent: 3047297 (1962-07-01), Drake
patent: 3103364 (1963-09-01), Macks et al.
patent: 3384378 (1968-05-01), Allen
patent: 3542371 (1970-11-01), Saito
patent: 3663075 (1972-05-01), Kronenberg
patent: 3833225 (1974-09-01), Pettersson
patent: 4047721 (1977-09-01), Hermann
patent: 4100465 (1978-07-01), Hagino
patent: 4194743 (1980-03-01), Ohsawa et al.
patent: 4256312 (1981-03-01), Ikeda
patent: 4766587 (1988-08-01), Dons et al.

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