Device for mechanically recording a signal having a bandwidth of

Details Device for mechanically recording a signal having a bandwidth of Device for mechanically recording a signal having a bandwidth of

1978-11-21

1980-03-18

Konick, Bernard

Electrical generator or motor structure

Dynamoelectric

Rotary

1791004C, 310326, 310328, 358128, G11B 346, H01L 4110, H01L 2314

Patent

active

041940946

ABSTRACT:
A device for mechanically recording a signal having a bandwidth of several MHz on a receiving surface, particularly on a video disc, comprises, a rigid housing having a stylus receiving cavity with a piezoelectric transducer mounted in said cavity which is adapted to oscillate backwardly and forwardly. A cutting stylus is connected to the transducer and projects out of the housing cavity for cutting the receiving surface. Damping means are disposed between the transducer and the housing in the cavity and provide a greater resilience for movement of the transducer in the direction of oscillation than in a direction perpendicular thereto.

REFERENCES:
patent: Re29113 (1977-01-01), Halter
patent: 3805100 (1974-04-01), Klemp et al.
patent: 3824352 (1974-07-01), Adler et al.
patent: 3976830 (1976-08-01), Glenn

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