H04N7/1696 - CPC Classification Index

ClassID:

229870 ⎘

H04N7/1696 - CPC Classification

Classification description:

Television systems; Analogue secrecy systems; Analogue subscription systems; Systems rendering the television signal unintelligible and subsequently intelligible; Systems operating in the time domain of the television signal by changing or reversing the order of active picture signal portions

Recent Application in this class:

20230139203

2023-05-04

Anti-piracy video transmission and display

20190098251

2019-03-28

Anti-piracy video transmission and display

20090136030

2009-05-28

Video monitoring system with video signal encrypted and the method for the same

20050195976

2005-09-08

System for protecting information content