| 摘要 |
PURPOSE:To record the call start time in addition to the content of call by receiving a standard radio wave of a time casting broadcast station and recording a call start time by a tape recorder. CONSTITUTION:When a peep tone is detected by a peep tone detecting section 24, a receiving control signal is outputted from a control section 9 to a receiving section 25, the 1st recording control signal is outputted to switches 10, 12, 18 and the 2nd tape recorder section is operated. A time casting signal is received via an antenna 26 by turning on the receiving section 25 and the time casting signal is recorded by the 2nd tape recorder section. Thus, the time casting signal is outputted to the 1st telephone set 1 via an exchange 4. |
