To provide a portable telephone with a camera which can reduce interference between a high frequency component generated by the camera and receiving frequency band carrying out radio communication.
The portable telephone is provided with a radio communication circuit 20 carrying out radio communication with an external device, a clock generating circuit 70 which can control a clock frequency outputted, a camera 80 which operates making the clock as a operation clock, and a control circuit 30; and the control circuit controls the clock of the clock generating circuit not to lap the high frequency component of the clock frequency on the receiving frequency band carrying out the radio communication, based on radio frequency band information obtained from the radio communication circuit.
OBUCHI TSUYOSHI
MIMURA MASAO
Kyosuke Tanaka
Takashi Sasaki
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