CCTV system using multiplexed signals to reduce required cables

Details CCTV system using multiplexed signals to reduce required cables CCTV system using multiplexed signals to reduce required cables

1994-09-23

1997-04-22

Tran, Thai Q.

Television

Special applications

Observation of or from a specific location

348212, 348478, 348512, H04N 718

Patent

active

056233043

ABSTRACT:
A cable-saving type CCTV system for transmitting a multiplexed video signal over a single coaxial cable connecting a camera site and a control site by frequency-modulating a bi-directional audio signal and producing a digital control signal and a digital alarm signal and multiplexing the resultant signals and an external synchronizing signal in a blanking period of the video signal.

REFERENCES:
patent: 2041456 (1936-05-01), Carlson
patent: 2978538 (1961-04-01), Breese
patent: 3105873 (1963-10-01), Winston
patent: 3426145 (1969-02-01), Kimball et al.
patent: 3518376 (1970-06-01), Kamen et al.
patent: 3749831 (1973-07-01), Simpkins
patent: 3819852 (1974-06-01), Wolf
patent: 3916436 (1975-10-01), Marey et al.
patent: 3946159 (1976-03-01), Fay
patent: 4148060 (1979-04-01), Herschberg
patent: 4300168 (1981-11-01), Kawamura
patent: 4390901 (1983-06-01), Keiser
patent: 4539595 (1985-09-01), Warner
patent: 4555735 (1985-11-01), Usuki et al.
patent: 4714959 (1987-12-01), Pshtissky
patent: 4787085 (1988-11-01), Suto
patent: 4818869 (1989-04-01), Oliver
patent: 4860101 (1989-08-01), Pshtissky et al.
patent: 4885747 (1989-12-01), Foglia
patent: 4891633 (1990-01-01), Imazeki
patent: 4935924 (1990-06-01), Baxter
patent: 4956862 (1990-09-01), Robbins et al.
patent: 4959713 (1990-09-01), Morotomi et al.
patent: 5019905 (1991-05-01), Pshtissky et al.
patent: 5202759 (1993-04-01), Laycock
Single Wire Deep Submergence Television System, By A. W. Vigil, May 1973.

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