| 摘要 |
PURPOSE:To enable accurate time signal by dispensing with a contact point of an accurate time to simplify constitution and to enhance reliability, by detecting the output from a contact point for detecting a time signal number, when said output is changed over, to start time signal. CONSTITUTION:A contact piece A is elastically contacted with two lines of plural electrodes ES1-ES4 and EC1-EC3 formed on a base plate to bring said electrodes to a continuity state while a moving apparatus connects the contact piece A to the rotation of a clock to rotate the same and is slid so that the electrode brought to a continuity state is changed over at a just hour. A pulse generating circuit PG1 supplies pulses P1-P3 shifted in a phase to the electrodes EC1-EC3 and an output circuit EN1 receives outputs from the electrodes ES1- ES4 to output a signal for showing the display position of the clock. A time signal apparatus N starts the just hour indication in the time signal number by a comparison circuit CM generating a time signal starting signal when the electrode brought to a continuity state by the contact piece A is changed over and the output of the circuit EN1. |
