Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
October 16, 2007
Patent Application Number
10951762
Date Filed
September 29, 2004
Patent Primary Examiner
Patent abstract
In a UHF band operation, a Bu terminal supplies a power supply voltage, and a (BL+BH) terminal does not supply the power supply voltage. Thereby, switching diodes are turned on, and a switching diode is turned off. In the UHF band operation, only a UHF signal in a signal provided from an ANT terminal is output to a UHF input tuning circuit. In a VHF band operation, the (BL+BH) terminal supplies the power supply voltage, and the Bu terminal does not supply the power supply voltage. Consequently, the switching diode is turned on, and the switching diodes are turned off. In the VHF band operation, only a VHF signal in the signal provided from the ANT terminal is output to a VHF input tuning portion via a filter portion.
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