Dougherty & Troxell
Auto audio/video output circuit with multiple audio/video inputs
 An auto audio/video output circuit with multiple audio/video inputs, the circuit having an analog/digital converter unit for convert inputted video signal into digital signal, a CPU for memorizing the sequence of inputted audio/video signals, permitting the last inputted audio/video signal to be outputted to audio/video output amplifiers for amplification and further output to a TV. 
G H H
G11B H04N H04N
inventional inventional additional
Chin-Chi
Ho