| 摘要 |
A camera flash device is provided for photography requiring the use of a flash by transmitting plural information from the flash side to the camera side. The flash device includes a plural flash signal generation circuit which generates flash signals from said flash side, as well as common terminal to which any two flash signals are sent from said plural flash signal generation circuit. A control circuit prevents sending one signal of said two signals, both signal pass common terminal, while the other is sent. |
