发明名称 Overlap recording device for sound cinecamera
摘要 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.
申请公布号 US4163261(A) 申请公布日期 1979.07.31
申请号 US19770828770 申请日期 1977.08.29
申请人 CHINON IND INC 发明人 ITO, ISAMI
分类号 G03B19/18;G03B19/26;G03B31/00;G03B31/02;(IPC1-7):G11B27/02 主分类号 G03B19/18
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