Patent ID: 8587678

Claim:
A head-separated camera device comprising an imaging unit, a control unit configured to perform a video processing to a video signal captured by the imaging unit, and a connection unit configured to connect the imaging unit with the control unit, wherein the control unit comprises a timing signal transmitter configured to output a clock signal to the imaging unit; and a switching module configured to switch a clock signal used for outputting video from (i) a clock signal supplied from the imaging unit to (ii) the clock signal supplied from the timing signal transmitter when the imaging unit separates from the control unit; the imaging unit comprises a receiver configured to receive and directly distribute the clock signal supplied from the control unit; a sensor configured to capture a digital image by using the clock signal supplied from the control unit through the receiver and output a digital video signal based on the image; and a transmitter configured to superimpose, on serial data, the digital video signal captured by the sensor and the clock signal supplied from the control unit through the receiver and to transmit the serial data.