Phase change dynamic scrambling

Details Phase change dynamic scrambling Phase change dynamic scrambling

H - Electricity

04

N

350/20

H04N 7/16 (2006.01) H04N 7/167 (2006.01) H04N 7/171 (2006.01)

Patent

CA 1194981

PHASE CHANGE DYNAMIC SCRAMBLING ABSTRACT OF THE DISCLOSURE A means for coding and decoding video signals by the application of one of a plurality of available scrambling sig- nals, which scrambling signals have a common frequency but differ in phase, includes means for comparing the brightness level during a predetermined time period of the video signal with the bright- ness level of the video signal over the succeeding predetermined time period. There are means for changing from one scrambling signal to another if the difference between brightness levels in successive predetermined time periods exceeds a given value. -1-

419215

Affiliated with

Also associated with

Rating

Phase change dynamic scrambling does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Phase change dynamic scrambling, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Phase change dynamic scrambling will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFCA-PAI-O-1197322