Patent №
US 5,046,091
Granted
1991-09-03
Filed 1990
Owner
U.S. PHILIPS CORPORATION, A CORP. OF DE.
Lab
—
AI components
1
vision
Assignment
Recorded
Dataset
AIPD
2023_r1 edition
Application
07471172
Television picture transmission stage in which besides means for transmitting at least one picture characteristic extension video signal via at least one transmission path, means for scrambling at least a part of said extension signal or signals, and receiving stage comprising corresponding receiving and descrambling means. These stages are particularly intended for a television picture transmission system in which one or more video signals for extending the aspect ratio of the picture and the video signals for extending the horizontal and vertical definition of the said pictures are transmitted and transferred superposed on the conventional video signals which correspond to the original pictures, said extension signals having been submitted before transmission to a cyclic permutation from a cut point defined for each line with the aid of a pseudorandom sequence generator.
AI classification
Ownership
U.S. PHILIPS CORPORATION, A CORP. OF DE.
assignment · 52730246
Assignors
MARIE, GERARD, CHANTELOU, OLIVIER
On an employer assignment, the assignors are typically the inventors.