H04N2007/17381 - CPC Classification Index

ClassID:

229883 ⎘

H04N2007/17381 - CPC Classification

Classification description:

Television systems; Analogue secrecy systems; Analogue subscription systems with two-way working, e.g. subscriber sending a programme selection signal the upstream transmission being initiated by the user terminal

Recent Application in this class:

20150245101

2015-08-27

Methods and systems for supplementing media assets during fast-access playback operations

20110117950

2011-05-19

Sharing a radio frequency interface resource

20100074167

2010-03-25

Downstream time domain based adaptive modulation for DOCSIS based applications

20090290490

2009-11-26

Sharing a radio frequency interface resource

20070300274

2007-12-27

System and method for integration of high quality video multi-casting service with an interactive communication and information environment using internet protocols

20070199014

2007-08-23

Consumer portal

20070157272

2007-07-05

Content retransmission system and method using infrared communication

20070124771

2007-05-31

Providing an item further to a broadcast

20060280197

2006-12-14

Method and apparatus for transmitting and receiving data over a shared access carrier network

#10

20050081061

2005-04-14

Compile-time code validation based on configurable virtual machine