Telecommunications – Receiver or analog modulated signal frequency converter – Signal selection based on frequency
Reexamination Certificate
2005-08-02
2005-08-02
Tieu, Binh (Department: 2643)
Telecommunications
Receiver or analog modulated signal frequency converter
Signal selection based on frequency
C455S160100, C455S161100, C455S182300, C455S185100
Reexamination Certificate
active
06925290
ABSTRACT:
A radio receiver embodying the present invention comprises, a front-end circuit for selecting a broadcasting wave of a certain frequency from broadcasting waves received, a memory for storing a channel registering table, tuning key, and a control circuit. A channel registering table has a plurality of channels registered therein, and a frequency and register time for each channel are written thereon. The control circuit specifies a channel of which register time is closest to time of the depression of the key out of a plurality of channels registered in the table upon the depression of the key to command tuning operation of the channel to the front-end circuit. Thus, the radio receiver can be realized wherein the device body is compact, and even when a listener does not remember a channel registered, a desired channel can be tuned in with easy manipulation for a short period of time.
REFERENCES:
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patent: 5317403 (1994-05-01), Keenan
patent: 5323240 (1994-06-01), Amano et al.
patent: 5734444 (1998-03-01), Yoshinobu
patent: 6490724 (2002-12-01), Ha et al.
patent: WO 00/16549 (2000-03-01), None
Hamabata Takayuki
Hitomi Akihiko
Inoue Akio
Otsubo Yoshikazu
Armstrong Kratz Quintos Hanson & Brooks, LLP
Pham Tuan
Sanyo Electric Co,. Ltd.
Tieu Binh
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