Signal reproduction apparatus

Details Signal reproduction apparatus Signal reproduction apparatus

1980-05-05

1982-11-16

Haroian, Harry N.

Dynamic information storage or retrieval

With storage medium cleaning or electrostatic chanrge...

By tone arm attachment

G11B 358

Patent

active

043597696

ABSTRACT:
A signal reproduction apparatus comprising a pick-up means with a playback stylus tracing on engraved grooves of a record disk and a shaving means abutting on only the top portions of several number of the engraved grooves, wherein the shaving means effectively scrapes dust on the disk surface during the tracing movement in advance of the tracking motion of the playback stylus along the engraved grooves.

REFERENCES:
patent: 2340806 (1944-02-01), Green
patent: 3652809 (1972-03-01), Dickopp et al.
patent: 4037253 (1977-07-01), Nagaoka
patent: 4145718 (1979-03-01), Dholakia et al.
patent: 4173348 (1979-11-01), Dholakia

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