Patent ID: 8035689

Claim:
A camera unit, comprising: an image sensor including a photoelectric pixel matrix, a timing unit controlling said image sensor, an electronic shutter, and a global reset circuit for resetting the pixels simultaneously, and I/O means for transmitting image data and for receiving imaging commands, a mechanical shutter, a host module including corresponding I/O means for receiving image data and for transmitting imaging commands, and a data and control connection between the image sensor and the host unit, wherein said data and control connection comprises: a data connection based on a series bus, a control connection based on a series bus, and a global-reset signal connection separate from the data connection and the control connection, configured to transmit a timed global-reset signal from the image sensor to the host module, and the timing unit of the image sensor is configured, by means of a selected control command given by the host module, to initiate an imaging procedure and to create the timed global-reset signal at intervals and to send it also to the host module to indicate the start of imaging.