Facsimile and static presentation processing – Facsimile – Specific signal processing circuitry
Patent
1975-10-24
1977-04-12
Richardson, Robert L.
Facsimile and static presentation processing
Facsimile
Specific signal processing circuitry
358197, H04N 544, H04N 562
Patent
active
040176762
ABSTRACT:
A filter circuit for separating video and audio signals has an extra resistive element added. This forms a bridge circuit that greatly increases the attenuation of the audio signal in the video channel.
REFERENCES:
patent: 2886633 (1959-05-01), Parmet
Rabeler Thorwald
Weltersbach Wolfgang
Richardson Robert L.
Steckler Henry I.
Trifari Frank R.
U.S. Philips Corporation
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