Wiping apparatus and method for a high-density information recor

Details Wiping apparatus and method for a high-density information recor Wiping apparatus and method for a high-density information recor

1976-12-06

1980-04-15

Haroian, Harry N.

Undertaking

G11B 358

Patent

active

041980603

ABSTRACT:
A pad for wiping the surface of a high-density information disc wherein information is recorded in a groove on the surface of the disc, comprises a plurality of fibers, projecting from a backing element and having ridged outer surfaces. The diameter of each of the fibers is greater than the width of the groove, while the width of at least some of the ridges is narrower than the width of the groove. One wiping method involves manually bringing the pad's fibers into contact with the grooved surface of the disc while establishing relative motion therebetween. In an alternative method, the wiping function is automatically implemented in a disc player by means mounted on the player lid for bringing the pad's fibers into and out of contact with the grooved surface of a disc carried by a rotating turntable, responsively to the travel of a signal pickup carriage.

REFERENCES:
patent: 1404147 (1922-01-01), Runk
patent: 3822065 (1974-07-01), Arbib
patent: 3992018 (1976-11-01), Plummer et al.

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