Video camera microphone with zoom variable acoustic focus

Details Video camera microphone with zoom variable acoustic focus Video camera microphone with zoom variable acoustic focus

1986-10-14

1989-08-29

Ng, Jin F.

Facsimile and static presentation processing

Facsimile

Recording apparatus

358906, 352 27, 352 5, H04N 5225

Patent

active

048622788

ABSTRACT:
In a video camera having a zoom lens and a microphone pickup for recording sound associated with the video images, the acoustic focus (or acoustic acceptance angle) of the microphone pickup is varied between uni-directional and omni-directional in synchronism with the zoom lens control of the camera in order to correlate the optical field of view of the lens with the acoustic field of view of the microphone for optimum coordination of picture and sound.

REFERENCES:
patent: 3837736 (1974-09-01), Ogiso et al.
patent: 4472742 (1984-09-01), Hasegawa et al.
patent: 4531822 (1985-07-01), Shenk

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