Radio transmitting and receiving circuits of a video camera havi

Details Radio transmitting and receiving circuits of a video camera havi Radio transmitting and receiving circuits of a video camera havi

1991-10-22

1993-01-12

Razavi, Michael T.

Facsimile and static presentation processing

Facsimile

Recording apparatus

358210, 358209, 354219, H04N 530

Patent

active

051794462

ABSTRACT:
Radio transmitting and receiving circuits are disclosed which operate wireless without interference and where the main body of a video camera is detached from the view finder. A timing controller applied to a radio transmitting circuit inserts an encoding signal into a video signal having a predetermined horizontal synchronizing signal interval. Meanwhile, a timing controller applied to a radio receiving circuit extracts the encoded video signal and supplies it to a decoder. The decoded signal is read in conjunction with a reference code signal in a code discriminator, and the received signal is displayed in the view finder only if the codes match.

REFERENCES:
patent: 3984625 (1976-10-01), Camras
patent: 4420773 (1983-12-01), Toyada et al.
patent: 4541698 (1985-09-01), Lerner
patent: 4672436 (1987-06-01), Hawthorne
patent: 4714959 (1987-12-01), Pshtissky
patent: 5040072 (1991-08-01), Tsuji et al.
patent: 5079634 (1992-01-01), Hosono

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