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US 4,166,623 AGranted
Pickup needle cleaning device for record disc playback apparatus
AssigneeMatsushita Electric Industries Co., Ltd.
InventorsKenji Nanbu, Akio Kuki
Life of this patent
Estimating the term…
Abstract
Disclosed is a pickup needle cleaning device adapted to be incorporated in a record disk playback system having a carriage adapted to move above and across the surface of a record disk and mounting a pickup needle for optional engagement with the record disk. The cleaning device includes cleaning members carried by the carriage and adapted to move relatively to the pickup needle while keeping in contact therewith. The cleaning member is put into operation upon the upward or downward movement of the pickup needle.
Claims8
A pickup needle cleaning device for a recording disk playback apparatus comprising:
- a pickup needle adapted to detect recorded signals from a recording disc,
- means for holding said pickup needle,
- a carrige supporting said holding means and adapted to move above and along the recording disk,
- means for driving said carriage above and along said recording disk,
- means, mounted on said carriage, for moving said holding means to lift and lower said pickup needle so as to move said pickup needle towards and away from the recording surface of said recording disk,
- means, mounted on said carriage, for actuating said lifting and lowering means,
- means, mounted on said carriage, when driven, for cleaning said pickup needle, and
- means for driving said cleaning means in association with the lifting and lowering operation of said pickup needle.
5 more elements
Dependencies are inferred from the claim text.