Apparatus for measuring SC/H phase of composite video signal

Details Apparatus for measuring SC/H phase of composite video signal Apparatus for measuring SC/H phase of composite video signal

1987-12-30

1988-11-29

Britton, Howard W.

Facsimile and static presentation processing

Static presentation processing

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358 19, H04N 1702

Patent

active

047885858

ABSTRACT:
A measuring instrument for SC/H phase of a composite video signal is provided in which a phase comparison is made between at least a portion of a color burst extracted from the video signal and a continuous subcarrier frequency signal that is phase-locked to the leading edge of the horizontal sync phase so as to determine the particular SC/H pulse. The instrument includes a display device which provides a display concerning the measured SC/H phase in the form of characters and/or a waveform.

REFERENCES:
patent: 4585989 (1986-04-01), Matney
patent: 4587551 (1986-05-01), Penney
patent: 4603346 (1986-07-01), Melling, Jr.
patent: 4680620 (1987-07-01), Baker et al.
patent: 4694324 (1987-09-01), Matney
Catalog of Tektronix 1750, 1751 Models.
Catalog of Philips PM 5668 Model.
Catalog of Leitch SCH-730N/SCH-731 N Models.
Catalog of Kikusui 1527/1525 Models.

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