Dynamic information storage or retrieval – With storage medium cleaning or electrostatic chanrge... – By tone arm attachment
Patent
1982-01-18
1984-05-01
Stephan, Steven L.
Dynamic information storage or retrieval
With storage medium cleaning or electrostatic chanrge...
By tone arm attachment
G11B 358
Patent
active
044465475
ABSTRACT:
A record cleaning device which attaches to the tone arm of a record player for removing dust and other undesirable material from the grooves of a phonograph record without significant interferring with the normal tracking of the phonograph cartridge. The device includes a brush for brushing the undesirable material from the grooves of the phonograph record, and an elongated strip of thin, lightweight and flexible material for flexibly supporting the brush above and in contact with the grooves of the phonograph record in which the flexing action of the brush and that of the strip in relation to the brush weight allows for joint, commensurate and comparable flexing action of both during record playback. In a further embodiment a motion damper is mounted between the brush and the strip to stop energy exchange between them and to dampen feedback vibrations to the tone arm.
REFERENCES:
patent: 1712637 (1929-05-01), Watson
patent: 3189353 (1965-06-01), Grado
patent: 4131284 (1978-12-01), Rangabe
Anten Lewis
Block Robert B.
Stephan Steven L.
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