Radio receiver with automatic mode changeover circuit

Details Radio receiver with automatic mode changeover circuit Radio receiver with automatic mode changeover circuit

1988-08-19

1991-01-29

Eisenzopf, Reinhard J.

Telecommunications

Receiver or analog modulated signal frequency converter

Signal selection based on frequency

455184, 455226, 455260, H04B 1700

Patent

active

049892630

ABSTRACT:
A radio wave receiver has a signal generator for generating a binary code signal indicative of the level of electric field intensity of a received radio wave. The binary code signal is fed to an up/down counter for increasing its counted value by M (M is a positive integer) when the binary code signal indicates a "strong" electric field and decreasing its counted value by N (N is a positive integer) when the binary code signal indicates a "weak" electric field. The contents of the up/down counter are evaluated to determine whether a change-over to another mode of operation or broadcast station is effected or not in accordance with the count value of the counter.

REFERENCES:
patent: 4069455 (1978-01-01), Sherman, Jr.
patent: 4619002 (1986-10-01), Thro
patent: 4704734 (1987-11-01), Menich et al.
patent: 4868885 (1989-09-01), Perry

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