| 摘要 |
PURPOSE:To make quick information transmission and to attain accurate information transmission by providing an automatic answering/recording means sending a message even when a call comes at th stop of an engine or a recipient is absent to attain sure contact. CONSTITUTION:With a key switch SW of a vehicle turned off, a coil 41c of a main relay 41 is not energized, and normally closed contacts 41b (3), (4) are closed and the use of an automatic answering telephone set for automobile is available. When the switch SW1 is closed in the usual driving, the use of the mobile telephone system 1 is available and when the switch SW1 is turned off, power is supplied to the telephone set 11, the automatic answering/recording function is active and the recording is made available. |
