Radio having adjustable seek sensitivity based on average...

Details Radio having adjustable seek sensitivity based on average... Radio having adjustable seek sensitivity based on average...

2005-01-11

2005-01-11

Nguyen, Duc M. (Department: 2685)

Telecommunications

Receiver or analog modulated signal frequency converter

Signal selection based on frequency

C455S161100, C455S226200, C455S220000

Reexamination Certificate

active

06842609

ABSTRACT:
A tuneable radio and method for automatically adjusting the seek sensitivity alignment for seek operations. The radio has a radio receiver for receiving broadcast radio wave signals, and a tuner adjustable for selecting from a plurality of radio wave signal channels. A detector detects signal strength of the received radio wave signals, and a seek input allows a user to initiate a seek operation to select a signal channel having a signal strength exceeding a seek sensitivity threshold. A controller calculates an average signal value and adjusts the seek sensitivity threshold based on the average value. The controller adjusts the seek sensitivity when it is determined that the radio has travelled beyond a minimum distance.

REFERENCES:
patent: 4648127 (1987-03-01), Jongepier
patent: 5613230 (1997-03-01), Gottfried et al.
patent: 5732338 (1998-03-01), Schwob
patent: 5842119 (1998-11-01), Emerson et al.
patent: 6021320 (2000-02-01), Bickford et al.
patent: 6208848 (2001-03-01), Bertrana
patent: 6289207 (2001-09-01), Hudecek et al.
patent: 6295444 (2001-09-01), Morande et al.
patent: 6385261 (2002-05-01), Tsuji et al.

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