| 摘要 |
A light control system includes a switching means, a light sensing means, a signal conditioning means and a light producing means inter-connected with the light sensing means connected to the signal conditioning means by only two wires. The switching means is selectively operable for generating a flash signal to effect the apparent production of a source light from the light producing means for the illumination of a scene. Gating means activates the normally insensitive light sensing means to respond to light from the scene when a flash signal is generated. A signal to effect the apparent termination of the source light is generated by the light sensing means when sufficient light is received from the scene. Dynamic anticipation means provide a time varying compensation corresponding to the light intensity-time variation characteristic of flash-type light producing means. |
