| 摘要 |
PURPOSE:To attain calling in a soft sound from a music box by using a sucker so as to fit an adaptor provided with an integrated circuit board comprising an audible sensor, a transistor, the music box and a battery to a telephone set. CONSTITUTION:The integrated circuit board 4 comprising an IC audible sensor 5, an IC transistor 6, an IC music box 7 and an IC battery 8 is provided to an adaptor main body 2. The adaptor main body 2 is fitted to the telephone set 1 by using the sucker 3. Then a ringer signal of the telephone set 1 is detected by the audible sensor 5 and the transistor 6 activates the music box 7. Thus, the calling in a soft sound of the music box is attained. |
