Automatic gain control circuit for sound motion picture camera

Details Automatic gain control circuit for sound motion picture camera Automatic gain control circuit for sound motion picture camera

1977-07-29

1979-01-09

Dahl, Lawrence J.

Amplifiers

With semiconductor amplifying device

Including gain control means

330141, 330284, H03G 330

Patent

active

041340795

ABSTRACT:
A sound motion picture camera with sound recording equipment rendering it possible to record sound accompaniments by way of a magnetic track on the picture film and provided with an automatic gain control circuit operating with attack and recovery times automatically controlled in accordance with variation of the dynamic range of the sound accompaniment.

REFERENCES:
patent: 3790896 (1974-02-01), Shimizu

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