ClassID:

229826

H04N7/081 - CPC Classification

Classification description:

Television systems; Systems for the simultaneous or sequential transmission of more than one television signal, e.g. additional information signals, the signals occupying wholly or partially the same frequency band, e.g. by time division the additional information signals being transmitted by means of a subcarrier

Recent Application in this class:
#1
20220006970
2022-01-06

Video processing apparatus, method and system

#2
20210250546
2021-08-12

Broadcast signal frame generation apparatus and broadcast signal frame generation method using layered division multiplexing

#3
20200351469
2020-11-05

Broadcast signal frame generation apparatus and broadcast signal frame generation method using layered division multiplexing

#4
20190342517
2019-11-07

Communication device and communication method

#5
20190327445
2019-10-24

Broadcast signal frame generation apparatus and broadcast signal frame generation method using layered division multiplexing

#6
20180367753
2018-12-20

Broadcast signal frame generation apparatus and broadcast signal frame generation method using layered division multiplexing

#7
20170272692
2017-09-21

Broadcast signal frame generation apparatus and broadcast signal frame generation method using layered division multiplexing

#8
20170070701
2017-03-09

Communication device and communication method

#9
20150237299
2015-08-20

Transmission system, transmission apparatus, and transmission method for transmitting video data

#10
20150189224
2015-07-02

Channel bonding for ultra-high definition video background

#11
20140328408
2014-11-06

Method and system for enhanced modulation of video signals

#12
20140002735
2014-01-02

Method of and apparatus for performing an objective video quality assessment using non-intrusive video frame tracking

#13
20130271652
2013-10-17

Method and system for enhanced modulation of video signals

#14
20120274849
2012-11-01

Transmission system, transmission apparatus, and transmission method for transmitting video data

#15
20100274643
2010-10-28

Method and apparatus for modulating a video signal with data

#16
20100141837
2010-06-10

Method and apparatus for modulating a video signal with data

#17
20100141836
2010-06-10

Method and system for enhanced modulation of video signals

#18
20100014593
2010-01-21

Method and system of detecting signal presence from a video signal presented on a digital display device

#19
20090278984
2009-11-12

Transmission system, transmission apparatus, and transmission method for transmitting video data

#20
20080101415
2008-05-01

PRIVATE DATA TRANSMISSION VIA AN ANALOG BROADCAST TRANSMISSION

#21
20080056351
2008-03-06

Method and system for enhanced modulation of video signals

#22
20070124417
2007-05-31

Method and apparatus for controlling a user's pc through a broadcast communication to archive information in the user's pc

#23
20060274198
2006-12-07

Method and system for enhanced modulation of video signals

#24
20060188102
2006-08-24

BTSC encoding method with digital FM modulation

#25
20050195327
2005-09-08

Method and system for enhanced modulation of video signals

#26
20050179815
2005-08-18

Method and system for enhanced modulation of video signals

#27
20050047595
2005-03-03

Method and system for enhanced modulation of video signals