Plural input television receiver having peaking circuit and chro

Details Plural input television receiver having peaking circuit and chro Plural input television receiver having peaking circuit and chro

1985-04-25

1987-02-17

Shepperd, John W.

Facsimile and static presentation processing

Static presentation processing

Attribute control

358 22, 358181, H04N 5445

Patent

active

046443878

ABSTRACT:
A television receiver responsive to broadcast television signals in a normal operating mode includes a video channel with high frequency peaking circuits, followed by a wideband display driver to which auxiliary R, G, B color image signals are applied in an auxiliary operating mode of the receiver. A low pass filter restricts the high frequency response of the video channel in the normal mode so that the combination of the high frequency peaking circuits and the wideband display driver does not result in a condition of excessive signal bandwidth and attendant unwanted spurious high frequency signal effects.

REFERENCES:
patent: 2923767 (1960-02-01), Altes
patent: 4020501 (1977-04-01), Hillberger et al.
patent: 4167021 (1979-09-01), Holmes
patent: 4218698 (1980-08-01), Bart et al.
patent: 4232330 (1980-11-01), Heitmann
patent: 4365266 (1982-12-01), Lagoni
patent: 4376952 (1983-03-01), Troiano
patent: 4460918 (1984-07-01), Flasza
Color Television Service Data (1984) for RCA Color Television Receiver CTC-131.

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