| 摘要 |
The present invention relates to a built-in flash mechanism that will automatically pop up when the illumination is insufficient or it is manually switched on. This invention comprises a built-in flash, a one-way electromagnetic valve, a spring that will switch the flash on when there is no magnetic force from the electromagnetic valve, a shaft with two ends, where a first end is connected to the spring and react to the motion of the spring and a second end is a clip used to withhold the flash, a buckle clipped by the clip when the flash is shut, and a pusher used to push the shaft when the flash is being pressed into the close status.
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