| 摘要 |
PURPOSE:To ensure the confirmation of the telephone number through display of the dial operation with the figures as well as to secure the dial operation without picking up the telephone receiver and the automatic connection to the telephone circuit by picking up the telephone receiver. CONSTITUTION:When hook switch 1 of push-button type telephone A is off, push- button 2 is pushed in accordance with the desired telephone number. Thus the number is read into memory part 6 in sequence and then displayed via display unit 8. In this case, if the wrong dial operation is confirmed, reset button 12 is turned on to erase the read-in at part 6. and then the dial operation is given again. After confirmation of the correct dial operation via unit 8, the telephone receiver is picked up with switch 1 turned on. And timing control part 9 is started. Thus the data read into part 6 are read out in sequence to be sent to the telephone circuit from dial oscillation part 4. |
