Apparatus for displaying the phase and amplitude of a chrominanc

Details Apparatus for displaying the phase and amplitude of a chrominanc Apparatus for displaying the phase and amplitude of a chrominanc

1985-09-30

1989-03-07

Shepperd, John W.

Facsimile and static presentation processing

Static presentation processing

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324 88, 358242, H04N 1702

Patent

active

048110833

ABSTRACT:
Apparatus for displaying in polar coordinates the relative phase and amplitude of a chrominance signal comprises a display device, such as a CRT display device, having a circuit for adjusting the brightness of the light dot. The apparatus also comprises a circuit for generating a blanking signal and applying it to the adjustment circuit in the event that the amplitude of the chrominance signal is below a predetermined value.

REFERENCES:
patent: 2363810 (1944-11-01), Schrader et al.
patent: 3962723 (1976-06-01), Srivastava
patent: 3967313 (1976-06-01), Miyamoto
patent: 4092667 (1978-05-01), Akazawa et al.
patent: 4127796 (1978-11-01), Henderson
patent: 4198661 (1980-04-01), Gatten et al.
patent: 4253108 (1981-02-01), Engel
patent: 4338623 (1982-07-01), Asmus et al.

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