Radio receiver with operation state setting unit

Details Radio receiver with operation state setting unit Radio receiver with operation state setting unit

2008-03-11

2008-03-11

Jackson, Blane J. (Department: 2618)

Telecommunications

Receiver or analog modulated signal frequency converter

Measuring or testing of receiver

C455S296000, C455S268000, C375S346000

Reexamination Certificate

active

10862903

ABSTRACT:
There is provided a radio receiver which can set a proper receive state regardless of the existence of an adjacent station. If an adjacent station detection circuit detects an IBOC station having a carrier frequency adjacent to a receive frequency, a control unit transmits instructions to a stereo demodulation circuit, a soft mute circuit, and the like to change control states of input/output characteristics such as a channel separation characteristic, a blend characteristic, a high-cut characteristic, and a soft mute characteristic. The control unit also transmits instructions to a multi-path detection circuit and an adjacent interference detection circuit to change thresholds used for detecting multi-path interference and adjacent interference.

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