H - Electricity – 04 – N
Patent
H - Electricity
04
N
363/17, 350/50,
H04N 7/08 (2006.01) H04L 5/24 (2006.01) H04N 7/58 (2006.01)
Patent
CA 1132243
Abstract A digital transmission system for television video signals is described. The transmitter is of the type which has several input terminals for receiving respective television video signals to be transmitted, several encoding units for encoding the respective video signals into digitized video signals, and multiplexers for multiplexing the respective digitized video signals in a time division manner. The receiver is of the type which has a demultiplexer for receiving the multiplexed video signal from the multiplexer and for separating the multiplexed video signal into the digitized video signals, and several decoding units for decod- ing the digitized video signals into the respective television video signals. The improvement of the invention involves the use of a sync pulse separator for separating sync pulses in the video signal, an encoder responsive to the separated pulses for encoding the video signal into predetermined codes and a generator for generating video-frame-sync codes each indicative of the end of one picture frame. The two coded signals are multiplexed and stored temporarily in a buffer memory. The buffer occupancy rate is measured and a corresponding code generated. The time interval during which the video-frame-sync code is in the buffer is measured. A second buffer is provided and in the same way as before, the time interval for the second buffer is measured and compared with that for the first buffer. A read-out address signal is controlled according to the result of the comparison.
318184
Nippon Electric Co. Ltd.
Smart & Biggar
LandOfFree
Digital transmission system for television video signals does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Digital transmission system for television video signals, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Digital transmission system for television video signals will most certainly appreciate the feedback.
Profile ID: LFCA-PAI-O-1105513