Pickup device with a composite compliance arm

Details Pickup device with a composite compliance arm Pickup device with a composite compliance arm

1975-05-12

1977-12-13

Cardillo, Jr., Raymond F.

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

1791004R, 17910041P, 274 23R, H04N 576, G11B 310

Patent

active

040632857

ABSTRACT:
A pickup device for a video disk for extracting a signal from an information record medium having a high frequency signal recorded thereon in the form of an uneven groove, wherein a scanning body comprising a signal extracting element for producing an electrical signal from the information record medium in accordance with the information therein and a reproducing needle is supported by a plurality of arms each having a lower resonance frequency than the frequency band of the reproduced signals, whereby the reproducing needle is kept in close contact with the information record medium irrespective of the movement of the latter to allow high fidelity reproduction of a wide band high frequency signal.

REFERENCES:
patent: 3691318 (1972-09-01), Schuller et al.

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