Overlap recording device for sound cinecamera

Details Overlap recording device for sound cinecamera Overlap recording device for sound cinecamera

1977-08-29

1979-07-31

Canney, Vincent P.

Dynamic magnetic information storage or retrieval

Record editing

360 741, G11B 2702

Patent

active

041632613

ABSTRACT:
A sound cinecamera is provided with a film feeding motor, an electric circuit for sound recording, an operating means, a controlling signal generating circuit for the purpose of generating, by receiving an instruction signal generated from said operating means, a sound record controlling signal during the time of film reverse-winding for overlap recording and reducing said controlling signal according to a predetermined time constant at the time of starting the film feeding operation again, a sound recoding signal control circuit for the purpose of controlling the level of recording signal in said sound recording circuit by receiving said controlling signal from said controlling signal generating circuit, and an AC biasing control circuit for the purpose of controlling the level of the AC biasing signal to said sound recording circuit by receiving said controlling signal from said controlling signal generating circuit.

REFERENCES:
patent: 2797264 (1957-06-01), Blaney
patent: 3190969 (1965-06-01), Mattis
patent: 3476885 (1969-11-01), Shiber et al.
patent: 3647989 (1972-03-01), Mattas
patent: 3794522 (1976-08-01), Fukatsu et al.
patent: 3952330 (1976-04-01), Rimkus et al.
patent: 3968518 (1976-07-01), Kihara et al.
patent: 4004293 (1977-01-01), Osburn
patent: 4054920 (1977-10-01), Kittag

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