Two-speed searching television tuner

Details Two-speed searching television tuner Two-speed searching television tuner

1978-07-26

1980-09-02

Martin, John C.

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

H04N 548

Patent

active

042209730

ABSTRACT:
A television tuning device having a circuit for continuously scanning at least one frequency band. Scanning can take place at two speeds and controls are provided for starting and stopping the scanning procedure. The scanning speed is automatically changed from high speed to low speed when a television channel is detected to allow ample time for scanning to be stopped manually. Alternatively, the scanning may be stopped automatically.

REFERENCES:
patent: 3456197 (1969-07-01), Schulz
patent: 3825838 (1974-07-01), Mayle
patent: 3949164 (1976-04-01), Murakami et al.
patent: 4008436 (1977-02-01), Fujita
"Fernseh-Portable mit Suchlauf-Automatik", Funkschau, vol. 45, No. 13, Jun. 22, 1973, Munich, Germany, pp. 469-472.

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