| 摘要 |
PURPOSE: To obtain an excellent radio calling device by using a headphone of a portable acoustic equipment for the device. CONSTITUTION: A signal from an antenna 11 is fed to a demodulation section 13 through a reception section 12 and a radio calling signal is demodulated and a demodulation signal is fed to a CPU 14. Furthermore, an individual number from a ROM 15 to which an identification number(ID) is set is fed to the CPU 14 to discriminate whether or not the same identification number is in existence in the demodulation signal. A caption 17 is an operation key and a caption 18 is a liquid crystal display device (LCD). Furthermore, left right audio signals from a plug 19 connecting to a jack of, e.g. a portable acoustic device (not shown) are fed respectively to headphones 20, 21, from which the sound signal is sounded. Then the prescribed audio signal formed by the CPU 14 is fed to the headphones 20, 21 through an amplifier section 22 when the same identification is discriminated in the demodulation signal. |
