Apparatus for recording and reproducing signals using a disc-lik

Details Apparatus for recording and reproducing signals using a disc-lik Apparatus for recording and reproducing signals using a disc-lik

1974-11-05

1978-01-17

Konick, Bernard

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

360 99, 360102, 17910041P, 274 37, H04N 576, G11B 1538, G11B 320

Patent

active

040695034

ABSTRACT:
A recording and reproducing apparatus including a disc-like recording medium which rotates at high speed, a pick up device in contact with the medium and a means for displacing the pick up device positively in a radial direction of the medium, wherein the improvement resides in the condition of contact between the medium and the pick up being maintained in a good and stable manner due to either a convex base plate or an air baffle plate surrounding the disk.

REFERENCES:
patent: 2921144 (1960-01-01), Martin
patent: 3153241 (1964-10-01), Ramrath
patent: 3225338 (1965-12-01), Kelner
patent: 3368210 (1968-02-01), Zimmer
patent: 3509274 (1970-04-01), Kihara

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