Video camera system with audio switching circuit

Details Video camera system with audio switching circuit Video camera system with audio switching circuit

1990-04-17

1991-04-16

Britton, Howard W.

Facsimile and static presentation processing

Facsimile

Recording apparatus

358181, 358186, 358 85, H04N 530

Patent

active

050087568

ABSTRACT:
A video camera system is composed of a camera head unit having an imager and a microphone, a camera control unit connected to the camera head unit through a coaxial cable for controlling the camera head unit, and a microphone for transmitting an output signal through the coaxial cable to the camera control unit. According to this video camera system, a noise component entered the camera control unit from the camera head unit can be reduced, two communication systems can be independently utilized, and a noise component in the coaxial cable can be reduced considerably. In addition, it becomes possible to widen a dynamic range.

REFERENCES:
patent: 4264928 (1981-04-01), Schober
patent: 4300166 (1981-11-01), Marey
patent: 4326221 (1982-04-01), Mallos et al.
patent: 4961211 (1990-10-01), Tsugane et al.
patent: 4965819 (1990-10-01), Kannes
Television Engineering Book, K. Blair Benson, pp. 14.1148 & 14.115, McGraw-Hill Book Company.

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