Signal device for electro-acoustic reproducing equipment

Details Signal device for electro-acoustic reproducing equipment Signal device for electro-acoustic reproducing equipment

1976-06-18

1978-05-30

Hayes, Monroe H.

Optics: motion pictures

Camera and/or projector drive mechanisms

With indicating means

352 4, G03B 160

Patent

active

040920623

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.

REFERENCES:
patent: 2725785 (1955-12-01), Templin
patent: 3776625 (1973-12-01), Fountain

Affiliated with

Also associated with

Rating

Signal device for electro-acoustic reproducing equipment does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Signal device for electro-acoustic reproducing equipment, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Signal device for electro-acoustic reproducing equipment will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-466830