| 摘要 |
<p>A control circuit for the power supply section of an electronic flash lamp (flash light) prevents occurring dissipation (current wastage) from the electrical power supply source (which is arranged in the interior of the electronic flash lamp) by automatically interrupting the operation of a voltage increasing circuit (which is contained in the electronic flash lamp) as a function of the output from a timer circuit, which is arranged in an associated photographic camera, as soon as the camera has not been operated for a predetermined time interval.</p> |
