| 摘要 |
PURPOSE:To facilitate and to improve the automatic answering between a telephone and an interphone by applying the automatic answering function of an automatic telephone answering device even to the interphone. CONSTITUTION:When a visitor pushes the calling bell switch 46 for the interphone, the speaker 42 for the interphone sounds and a relay RL 4 is energized to stop automatic answering operation to telephone. Then, an answering message on an endless tape 22 is voiced through the speaker 42 for the interphone. Further, a relay RL 2 holds itself and a messsage from the visitor is recorded on a tape 34. A relay RL 4 is turned off a specific time later and the self-holding of the relay RL 2 is released to complete the answering operation. |
