Pressure sensitive signal reproducing system for a videodisc

Details Pressure sensitive signal reproducing system for a videodisc Pressure sensitive signal reproducing system for a videodisc

1975-05-27

1977-07-19

Konick, Bernard

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

17910041P, 274 37, 1791004C, H04N 576, G11B 310, G11B 1106

Patent

active

040372537

ABSTRACT:
A signal reproducing system particularly adapted to be used with a high frequency signal such as a video signal. In this system, a record medium formed with a guide groove having an uneven pattern formed on an inner wall thereof with projections of the uneven pattern being located at intervals corresponding to time-axis changes in a time-axis modulated signal is scanned by a scanning member. The record medium is pressed by the scanning member along the guide groove, the scanning member being supported by an essentially elastic material. A change in the inclination angle of the scanning member with respect to the record medium occurs when a portion of the tip end of the scanning member engages with or disengages from the projections. The change in inclination angle is detected by a mechanical-electrical transducing element arranged in contact with the scanning member as an electrical signal to produce a reproduced signal.

REFERENCES:
patent: 3055989 (1962-09-01), Bachman

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