Single tube color television camera with color strip filters

Details Single tube color television camera with color strip filters Single tube color television camera with color strip filters

1973-08-30

1977-09-06

Martin, John C.

Facsimile and static presentation processing

Static presentation processing

Attribute control

H04N 907

Patent

active

040472000

ABSTRACT:
A single tube color television camera employs a camera tube and two color strip filters located one behind the other in the optical image axis. The strip filters may either be installed in the camera tube or structurally separated therefrom and have different color filter effects whereby both filters have the color strips thereof angularly displaced with respect to the vertical image axis by the same angle, but in opposite directions. The television camera also comprises a decoding arrangement containing a comb filter for splitting the output signal of the camera tube to provide a luminous brightness signal and two color signals each having a spectrum containing frequencies which are shifted with respect to an integral multiple of the line frequency by a fraction of the line frequency, one color signal being shifted toward higher frequencies and the other toward lower frequencies.

REFERENCES:
patent: 3647943 (1972-03-01), Marshall
patent: 3647945 (1972-03-01), Hannan
patent: 3707596 (1972-12-01), Kuhn
patent: 3719771 (1973-03-01), Eto et al.
patent: 3763312 (1973-10-01), Yoneyama
patent: 3828121 (1974-08-01), Brandinger et al.
patent: 3882535 (1975-05-01), Takemura
Pritchard, Stripe-Color-Encoded Single-Tube Color-Television Camera Systems, RCA Review, vol. 34, June 1973, pp. 217-256.

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