| 摘要 |
PURPOSE:To obtain a one touch switch easy in registering and easily used by gradually reading a telephone number registered in the one touch switch when the telephone number is inputted, comparing with the inputted telephone number, and operating the display lamp of a relevant one touch key when they coincide. CONSTITUTION:A control part 12 successively reads the respective key registering telephone numbers of the one touch key 14 and compares with the telephone number inputted from a ten-key. When there is no coincidence, the display lamp of the next one touch key to the registered one touch key groups flashes. Herein, the one touch keys A, B are registered and accordingly, the lamp 16a of the next one touch key C flashes. When the switch C is pressed, the telephone number inputted from the ten-key is registered on the switch C. When there is the coincidence by the comparison, the display lamp 16b of the relevant one touch key flashes, the flashing of this lamp makes it apparent that the relevant telephone number is registered, thereafter, the relevant telephone number can be outputted by using the one touch key C.
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