| 摘要 |
PROBLEM TO BE SOLVED: To obtain a timepiece which is set by the time signal of AM and FM broadcasting. SOLUTION: This timepiece is provided with a band selection means 9 for selecting an AM receiver circuit 2 or an FM receiver circuit 3, a time signal detection circuit 5 connected with a sound circuit part 4 and the first microcomputer 6 to select a receiver and an internal timepiece and simultaneously the second microcomputer 7 to reserve the time signal. By receiving AM broadcasting and FM broadcasting by turns at the preset time, the just time is detected from the time signal and zero-reset of the internal timepiece of the second microcomputer 7 is performed. By this with a band in good receiving condition, correct time setting is made. |
