Title:
ELECTRIC ACOUSTIC UNIT SIGNALING DEVICE
Document Type and Number:
Japanese Patent JPS522516
Kind Code:
A
Abstract:
An audio signal device for reproduction apparatus such as a sound-film camera including a sound signal emitter and a microphone connected to the camera in which the control trigger on the camera is arranged through a switching arrangement to connect the sound emitter to the microphone only during at least one of the turn-on and turn-off steps in the operation of the camera to thereby provide an audible signal from the microphone to the person being photographed only during such steps.
Inventors:
GERUTO KITSUTATSUKU
Application Number:
JP6864876A
Publication Date:
January 10, 1977
Filing Date:
June 11, 1976
Export Citation:
Assignee:
VOCKENHUBER KARL
HAUSER RAIMUND
HAUSER RAIMUND
International Classes:
G03B31/00; G03B17/18; G03B31/02; G08B3/10; G11B3/00; G11B31/00; G11B33/10; (IPC1-7): G03B31/00; G11B15/00; G11B27/10
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