发明名称 Sound motion picture camera
摘要 In the disclosed sound motion picture camera, a sound overlap device keeps the sound level constant during a predetermined time after the start of a fade out operation, then gradually lowers the sound level and then gradually raises the sound level during the start of a fade in operation.
申请公布号 US4311369(A) 申请公布日期 1982.01.19
申请号 US19790071587 申请日期 1979.08.31
申请人 CANON KABUSHIKI KAISHA 发明人 KOHTANI, YUTAKA
分类号 H03G3/00;H03G3/20;H03G11/08;(IPC1-7):G03B21/36 主分类号 H03G3/00
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