| 摘要 |
PURPOSE: A cellular phone is provided to sense noise of peripheral environment, and to automatically convert a received sound into a bell sound or a vibration according to the sensed noise, then to automatically control magnitude of the received sound, so that a user does not need to manually control and switch the received sound one by one. CONSTITUTION: A keypad(11) consists of plural key buttons. A microprocessor(12) receives a signal inputted from the keypad(11), controls an operation of a cellular phone, and outputs a controlled signal. A memory(13) stores a predetermined program for controlling. An LCD(14) displays the inputted signal and the controlled signal. A duplexer(15) receives a signal from an antenna by the controlled signal, or transmits the inputted signal to the antenna. A receiver(16) receives/outputs the inputted signal by the controlled signal. An audio portion(17) outputs the received signal as an audio signal, or outputs an inputted audio signal as an electric signal. A transmitter(18) transmits the outputted signal of the audio portion(17) to the duplexer(15). A vibration generator(19) generates a received sound as a vibration. A noise sensor(20) senses peripheral environmental noise, and inputs the noise such that the microprocessor(12) can automatically convert into a vibration from a bell sound or to the bell sound from the vibration.
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