Amplitude characteristics of TV vertical frequency signal

Details Amplitude characteristics of TV vertical frequency signal Amplitude characteristics of TV vertical frequency signal

1989-01-23

1989-11-21

Peng, John K.

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

358166, 358 37, H04N 5213, H04N 5208, H04N 964

Patent

active

048826286

ABSTRACT:
A amplitude characteristics of TV vertical frequency signal is improved by operating amplitudes of luminance signal obtained from a horizontal scan in a field and luminance signals obtained from a preceding and a subsequent horizontal scans in the same field and those luminance signals obtained in a preceding field, simultaneously.

REFERENCES:
patent: 4587576 (1986-05-01), Hirota et al.
patent: 4635120 (1987-01-01), Ichinoi
patent: 4677461 (1987-06-01), Migutani et al.
patent: 4706113 (1987-11-01), Ito et al.
patent: 4792854 (1988-12-01), Glenn

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