Coupling device for coupling a terminal to a generating...

Details Coupling device for coupling a terminal to a generating... Coupling device for coupling a terminal to a generating...

H - Electricity

04

N

H04N 7/14 (2006.01) H04N 7/15 (2006.01)

Patent

CA 2146823

ABSTRACT OF THE DISCLOSURE As a result of a coupling device for coupling a videotelephone to video generating means, which coupling device is provided with - first means for detecting at least one code word contained in a signal originating from the videotelephone, and - second means, coupled to the first means, for generating a control signal in response to the detected code word, further being provided with change-over means coupled to the first means and to the second means, for receiving from the video generating means both a first video signal coded in a first manner and a second video signal coded in a second manner and for feeding, in response to the control signal, coded video signals originating from one of the video generating means to the first means via the change-over means, a coupling device is obtained which is readily applicable in multicast environments. Figure 1

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