FM tuner having improved tuning speed

Details FM tuner having improved tuning speed FM tuner having improved tuning speed

1995-06-05

1996-07-09

Eisenzopl, Reinhard J.

Telecommunications

Receiver or analog modulated signal frequency converter

Plural receivers

4551601, 4551612, 4551613, 4551861, 455205, H04B 116

Patent

active

055354424

ABSTRACT:
An FM tuner capable of speeding up an AF search and a PTY search. A tuning operation by the FM tuner with an RDS demodulator is continuously controlled until a tuning is decided in accordance with a tuning signal outputted from a detector or a count of an intermediate frequency. The FM tuner has an AF search designating key for designating an AF search, a PTY designating key for designating a PTY search, and a changeover unit for switching to the tuning signal for the decision of a tuning when the AF or PTY search is designated.

REFERENCES:
patent: 4727591 (1988-02-01), Manlove
patent: 5220682 (1993-06-01), Tomohiro
patent: 5222254 (1993-06-01), Verron et al.
patent: 5239681 (1993-08-01), Parnall et al.
patent: 5345607 (1994-09-01), Liman et al.

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