| 摘要 |
PROBLEM TO BE SOLVED: To attain the power consumption reduction of a call terminating device by detecting an up radio wave, supplying power to a reception circuit and receiving a call incoming message. SOLUTION: When a call is incoming to.a portable telephone, the portable telephone transmits the up radio wave. This up radio wave is detected by a carrier detection circuit 16 of a vibrator and after that detecting signal is judged by a CPU 13, a receiver/detector 11 of an identification signal reception circuit is operated. Then, the receiver/detector 11 operated by power source supply receives an identification signal sent out of the portable telephone and when it is coincident with the ID stored in a memory 14, a motor 18 for vibrations is operated so that the incoming call can be reported by vibrations. |
