| 摘要 |
<p>PURPOSE:To allow an operator to execute correction request operation only once and to improve the operability of the titled system by receiving time information and a time signal through a telephone line by one start signal by means of time service included in a central telephone exchange and checking the time by a voice checking means to automatically correct a clock circuit. CONSTITUTION:A communication terminal 10 is connected to the central telephone exchange(CTE) 20 through a telephone line 30 and a start signal is generated from a time correcting request generating means 11 in the terminal 10. The start signal is received by a time service dial auto-originating means 12 and a time service number (117) is automatically originated by dialing to the CTE 20 through the line 30. Time information from the CTE 20 receiving the dial number is received by time checking parts 131, 132 in the voice checking means 30. A service dial signal is applied from the means 12 to the checking part 13 and the time setting information and count starting information checked by respective checking parts 131, 132 are displayed on a time display means 15 through the clock circuit 14 to automatically correct the time.</p> |
