Color television camera

Details Color television camera Color television camera

1983-06-21

1985-12-31

Masinick, Michael A.

Facsimile and static presentation processing

Static presentation processing

Attribute control

358 29, 358163, 358 10, H04N 9535, H04N 962, H04N 514, H04N 534

Patent

active

045624593

ABSTRACT:
In an NTSC system color television camera with a shading correction circuit, the correction circuit comprises differential amplifier means for comparing a level difference between Y and R signals and between Y and B signals to produce analog difference signals, analog-to-digital converter means for converting levels resulting from sampling the analog signals by clock pulses into digital signals, a random access memory for storing and reading the digital signals, and shading amplifier means responsive to the read-out signals to perform such an amplification that the chrominance signal level is made equal to the luminance signal level.

REFERENCES:
patent: 4158208 (1979-06-01), Dischert
patent: 4326219 (1982-04-01), Griesshaber
patent: 4327371 (1982-04-01), Edson et al.
patent: 4354243 (1982-10-01), Ryan et al.

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