Facsimile and static presentation processing – Static presentation processing – Attribute control
Patent
1986-06-30
1989-02-07
LaRoche, Eugene R.
Facsimile and static presentation processing
Static presentation processing
Attribute control
333167, 333138, H03H 701
Patent
active
048035491
ABSTRACT:
The invention relates to a low-pass filter for limiting the frequency band of a luminance signal and for delaying said luminance signal, in particular intended for use in the recording channel of a video recording apparatus before the FM modulator. The luminance signal components above a cut-off frequency are attenuated by means of a ceramic filter (11, 31) which is connected to a point of constant potential (earth) and the luminance signal is delayed by means of a delay line (7, 35) arranged in the signal path.
REFERENCES:
patent: 4600903 (1986-07-01), Temer
patent: 4677462 (1987-06-01), Bell
LaRoche Eugene R.
Lee Benny
U.S. Philips Corporation
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