ClassID:

230401

H04N21/2351 - CPC Classification

Classification description:

Selective content distribution, e.g. interactive television or video on demand [VOD]; Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof; Processing of content or additional data; Elementary server operations; Server middleware; Processing of additional data, e.g. scrambling of additional data or processing content descriptors involving encryption of additional data

Recent Application in this class:
#1
20260122321
2026-04-30

Systems and Methods for Secure Playback of Encrypted Elementary Bitstreams

#2
20250315556
2025-10-09

METHODS AND APPARATUS TO COLLECT DISTRIBUTED USER INFORMATION FOR MEDIA IMPRESSIONS AND SEARCH TERMS

#3
20250260851
2025-08-14

CUSTOM DATA INDICATING NOMINAL RANGE OF SAMPLES OF MEDIA CONTENT

#4
20250038955
2025-01-30

MANAGING ENCRYPTION KEYS FOR CONTENT

#5
20240397073
2024-11-28

Accelerating the Processing of a Stream of Media Data Using a Client Media Engine

#6
20240314381
2024-09-19

Promoted content selection and delivery in a television platform

#7
20240303375
2024-09-12

METHODS AND APPARATUS TO COLLECT DISTRIBUTED USER INFORMATION FOR MEDIA IMPRESSIONS AND SEARCH TERMS

#8
20240273768
2024-08-15

System, Method, and Apparatus for Generating Tokenized Images

#9
20240251141
2024-07-25

METADATA DISTRIBUTION AND MANAGEMENT VIA TRANSACTIONAL BLOCKCHAIN TECHNOLOGY

#10
20240098320
2024-03-21

Custom data indicating nominal range of samples of media content

#11
20230336803
2023-10-19

Methods and apparatus to determine a unique audience for internet-based media

#12
20230274029
2023-08-31

Methods and apparatus to collect distributed user information for media impressions and search terms

#13
20230209108
2023-06-29

Online streamer image picture transmission in live interaction

#14
20230142278
2023-05-11

Secure content distribution and trusted recording of content consumption

#15
20230048454
2023-02-16

INTEGRATED RECEIVER DECODER MANAGEMENT IN HTTP STREAMING NETWORKS

#16
20230029381
2023-01-26

Methods and apparatus to determine a unique audience for internet-based media

#17
20220417589
2022-12-29

METHODS AND SYSTEMS FOR DYNAMIC MEDIA CONTENT OUTPUT FOR MOBILE DEVICES

#18
20220312085
2022-09-29

Real-time cloud-based video watermarking systems and methods

#19
20210407141
2021-12-30

System, method, and apparatus for generating tokenized images

#20
20210377578
2021-12-02

Custom data indicating nominal range of samples of media content

#21
20210329347
2021-10-21

Systems and methods for secure playback of encrypted elementary bitstreams

#22
20210297749
2021-09-23

Smartphone-Based Conditional Access System

#23
20210258636
2021-08-19

Methods and systems for dynamic media content output for mobile devices

#24
20210182427
2021-06-17

Methods and apparatus to collect distributed user information for media impressions and search terms

#25
20210120278
2021-04-22

Digital encryption of tokens within videos

#26
20210044840
2021-02-11

Video encryption method and apparatus, image capture device and readable storage medium

#27
20200382824
2020-12-03

Methods and apparatus for receiving adaptive bit rate content and manifest for adaptive bit rate content

#28
20200329019
2020-10-15

Protecting content-stream portions from modification or removal

#29
20200322668
2020-10-08

Protected client inventory redeployment

#30
20200304848
2020-09-24

Custom data indicating nominal range of samples of media content

#31
20200213681
2020-07-02

Real-time cloud-based video watermarking systems and methods

#32
20200204876
2020-06-25

Metadata distribution and management via transactional blockchain technology

#33
20200195979
2020-06-18

METHOD AND SYSTEM FOR STORING VIDEO, AND METHOD FOR ACCESSING VIDEO

#34
20200169404
2020-05-28

Methods and apparatus to collect distributed user information for media impressions and search terms

#35
20200162778
2020-05-21

Integrated receiver decoder management in HTTP streaming networks

#36
20200137460
2020-04-30

Systems and methods for secure playback of encrypted elementary bitstreams

#37
20200099964
2020-03-26

METHOD AND DEVICE FOR CHECKING AUTHENTICITY OF A HBBTV RELATED APPLICATION

#38
20200053433
2020-02-13

Securely paired delivery of activation codes between removable and integrated security processors

#39
20200053432
2020-02-13

Secure activation of client receiver by host receiver smart card

#40
20200037025
2020-01-30

SYSTEMS AND METHODS FOR SHARING DEVICES THAT PROVIDE CONTENT & INTERACTIVE TELEVISION SERVICES

#41
20200014675
2020-01-09

Downloadable security and protection methods and apparatus

#42
20190364332
2019-11-28

Dynamic media content output for mobile devices

#43
20190349609
2019-11-14

SYSTEM AND METHOD OF CONTROLLING ACCESS TO AUDIO AND VIDEO FEEDS IN A CLOSED NETWORK

#44
20190281335
2019-09-12

Transmission device, transmission method, reception device, and reception method

#45
20190268627
2019-08-29

Method for sharing private video streams with first responders

#46
20190268626
2019-08-29

Apparatus for sharing private video streams with first responders and mobile method of operation

#47
20190238909
2019-08-01

Method of broadcasting of same data stream to multiple receivers that allows different video rendering of video content to occur at each receiver

#48
20190238321
2019-08-01

Managing encryption keys for content

#49
20190140830
2019-05-09

Methods and apparatus to collect distributed user information for media impressions and search terms

#50
20190124396
2019-04-25

Hidden replaceable media slots

#51
20190124377
2019-04-25

Secure session-based video watermarking for online media streaming

#52
20190110274
2019-04-11

Method and system for datacasting and content management

#53
20190068999
2019-02-28

SYSTEMS AND METHODS FOR AUTHENTICATION OF DIGITAL CONTENT

#54
20190045237
2019-02-07

Custom data indicating nominal range of samples of media content

#55
20190028272
2019-01-24

System and methods for permitting open access to data objects and for securing data within the data objects

#56
20190020928
2019-01-17

Systems and methods for secure playback of encrypted elementary bitstreams

#57
20180352281
2018-12-06

Conditional access method and system for intelligent operating system

#58
20180352266
2018-12-06

Digital encryption of tokens within videos

#59
20180295376
2018-10-11

Interleaved watermarking

#60
20180278597
2018-09-27

Downloadable security and protection methods and apparatus

#61
20180270062
2018-09-20

Methods and apparatus to collect distributed user information for media impressions and search terms

#62
20180242026
2018-08-23

METHOD AND SYSTEM FOR DATACASTING AND CONTENT MANAGEMENT

#63
20180205992
2018-07-19

Electronic device, image processing method thereof, and non-transitory computer readable recording medium

#64
20180184177
2018-06-28

Securely paired delivery of activation codes from smart card to remote client set-top box

#65
20180184176
2018-06-28

Securely paired delivery of activation codes from smart card to host set-top box

#66
20180160197
2018-06-07

Real-time cloud-based video watermarking systems and methods

#67
20180144107
2018-05-24

Method and system for unified mobile content protection

#68
20180144044
2018-05-24

Distributed database management system

#69
20170339436
2017-11-23

Method and system for datacasting and content management

#70
20170339114
2017-11-23

Protecting content-stream portions from modification or removal

#71
20170338902
2017-11-23

Method and system for datacasting and content management

#72
20170311007
2017-10-26

Method and device allowing an access control system to be applied to the protection of streamed video

#73
20170294206
2017-10-12

System and methods for permitting open access to data objects and for securing data within the data objects

#74
20170289561
2017-10-05

Interleaved watermarking

#75
20170280203
2017-09-28

Elementary bitstream cryptographic material transport systems and methods

#76
20170264965
2017-09-14

Television receiver authorization over internet protocol network

#77
20170201792
2017-07-13

Dynamic media content output for mobile devices

#78
20170201783
2017-07-13

Distributed database management system

#79
20170201374
2017-07-13

Methods and apparatus to collect distributed user information for media impressions and search terms

#80
20170195718
2017-07-06

Edge media router device for facilitating distribution and delivery of media content having end-to-end encryption

#81
20170195697
2017-07-06

Media distribution with sample variants for normalized encryption

#82
20170188063
2017-06-29

Transmission device, transmission method, reception device, and reception method

#83
20170171611
2017-06-15

System and method for facilitating fast channel change

#84
20170171610
2017-06-15

System and method for media delivery using common mezzanine distribution format

#85
20170171279
2017-06-15

METHOD AND TERMINAL FOR ONLINE PLAYING VIDEO STREAM

#86
20170164033
2017-06-08

Transmission device, transmission method, and reception device

#87
20170163423
2017-06-08

Device and method for processing video

#88
20170150199
2017-05-25

Dynamic media content output for mobile devices

#89
20170142477
2017-05-18

Method, Device, Server And Terminal Equipment For Cross-screen Interaction

#90
20170142457
2017-05-18

SYSTEMS AND METHODS FOR OBSFUSCATING REGIONAL REFERENCES IN A COD ENVIRONMENT

#91
20170034576
2017-02-02

Hidden replaceable media slots

#92
20170013286
2017-01-12

Custom data indicating nominal range of samples of media content

#93
20170011235
2017-01-12

SIGNATURE DEVICE AND SIGNATURE METHOD

#94
20170006319
2017-01-05

Extracting data from advertisement files for ad insertion

#95
20160381624
2016-12-29

Device for short-range communication, adapted to provide access to a remote service

#96
20160360294
2016-12-08

Real-time cloud-based video watermarking systems and methods

#97
20160301677
2016-10-13

Downloadable security and protection methods and apparatus

#98
20160277364
2016-09-22

Content consumption frustration

#99
20160227406
2016-08-04

Broadcast apparatus and method of authenticating broadcast data

#100
20160219023
2016-07-28

Reducing start-up delay in streaming media sessions

#101
20160205428
2016-07-14

Inserting personalized information into digital content

#102
20160191853
2016-06-30

Shuffled media content

#103
20160165268
2016-06-09

Apparatus and methods for providing content to an IP-enabled device in a content distribution network

#104
20160150254
2016-05-26

Secure combined interoperable multiplexing

#105
20160149701
2016-05-26

System and methods for permitting open access to data objects and for securing data within the data objects

#106
20160119667
2016-04-28

Law enforcement real time digital information chain of custody assurance system and method

#107
20160119140
2016-04-28

Methods and apparatus to collect distributed user information for media impressions and search terms

#108
20160057507
2016-02-25

System and method for opaque metadata transmission

#109
20160057465
2016-02-25

Extracting data from advertisement files for ad insertion

#110
20160044353
2016-02-11

Method for the distribution of audio-visual information and a system for the distribution of audio-visual information

#111
20160014436
2016-01-14

Broadcast reception device, operating method of broadcast reception device, conditional access module and operating method of conditional access module

#112
20150373421
2015-12-24

Elementary bitstream cryptographic material transport systems and methods

#113
20150341682
2015-11-26

Inserting personalized information into digital content

#114
20150296240
2015-10-15

Inserting personalized information into digital content

#115
20150244531
2015-08-27

FUZZY PROTECTION OF VISUAL CONTENT

#116
20150156549
2015-06-04

Method for controlling digital film play-count and a system thereof

#117
20150156012
2015-06-04

Method for defense against primary user emulation attacks in cognitive radio networks using advanced encryption

#118
20150131965
2015-05-14

Signature device and signature method

#119
20150121417
2015-04-30

Mediaword compression for network digital media recorder applications

#120
20150095646
2015-04-02

Method and system for unified mobile content protection

#121
20150078551
2015-03-19

Embedding digital watermark at the receiver end to keep track of digital content source and intended legal subscriber

#122
20150067719
2015-03-05

Method for controlling digital film play-count and a system thereof

#123
20150043733
2015-02-12

System and method of motion detection on encrypted or scrambled video data streams

#124
20150040248
2015-02-05

ENCRYPTION-RESISTANT WATERMARKING

#125
20150010151
2015-01-08

Receiver software protection

#126
20140380352
2014-12-25

Trick play seek operation for HLS converted from DTCP

#127
20140376720
2014-12-25

Elementary bitstream cryptographic material transport systems and methods

#128
20140376719
2014-12-25

DTCP converter for HLS

#129
20140294094
2014-10-02

Custom data indicating nominal range of samples of media content

#130
20140281481
2014-09-18

DLNA/DTCP stream conversion for secure media playback

#131
20140123321
2014-05-01

Handshake protocol to control actors and functions in a cable set-top-box system to propagate acceptance of an IP license to securely authenticate software application program interfaces (APIs)

#132
20140123242
2014-05-01

Business method including handshake protocol to control actors and functions to propagate acceptance of an IP license to securely authenticate software application program interfaces (APIs)

#133
20140123172
2014-05-01

Challenge-response cable set-top-box system to securely authenticate software application program interfaces (APIs)

#134
20130272566
2013-10-17

Method and system for watermarking 3D content

#135
20130227283
2013-08-29

APPARATUS AND METHODS FOR PROVIDING CONTENT TO AN IP-ENABLED DEVICE IN A CONTENT DISTRIBUTION NETWORK

#136
20130179995
2013-07-11

SYSTEMS AND METHODS FOR AUTHENTICATION OF DIGITAL CONTENT

#137
20130120651
2013-05-16

Real-time cloud-based video watermarking systems and methods

#138
20130089203
2013-04-11

Content consumption frustration

#139
20130058481
2013-03-07

FUZZY PROTECTION OF VISUAL CONTENT

#140
20130003963
2013-01-03

Thwarting Unauthorized Content Copying Using Media Tracking Code

#141
20120311318
2012-12-06

Information processing system and method for providing authorized content

#142
20120300928
2012-11-29

System and methods for permitting open access to data objects and for securing data within the data objects

#143
20120246672
2012-09-27

SYSTEM AND METHOD FOR PROTECTING ADVERTISING CUE MESSAGES

#144
20120240140
2012-09-20

Method for the distribution of audio-visual information and a system for the distribution of audio-visual information

#145
20120237180
2012-09-20

Signature device and signature method

#146
20120192238
2012-07-26

Secure combined interoperable multiplexing

#147
20120192221
2012-07-26

Inserting personalized information into digital content

#148
20120179962
2012-07-12

ELECTRONIC BOOK WITH RESTRICTED ACCESS FEATURES

#149
20120151208
2012-06-14

Method for processing secure program using key distribution protocol in server/client

#150
20120144195
2012-06-07

METHOD AND SYSTEM FOR UNIFIED MOBILE CONTENT PROTECTION

#151
20120082311
2012-04-05

CONTENT PROTECTION USING BLOCK REORDERING

#152
20120082310
2012-04-05

Content protection using block reordering

#153
20120079270
2012-03-29

Hardware-Assisted Content Protection for Graphics Processor

#154
20110296454
2011-12-01

Provision of TV ID to non-TV device to enable access to TV services

#155
20110213976
2011-09-01

METHOD FOR DOWNLOADING CONDITIONAL ACCESS SYSTEM FOR DIGITAL BROADCASTING

#156
20110153464
2011-06-23

Electronic book having electronic commerce features of recommending products and providing samples

#157
20110135090
2011-06-09

Elementary bitstream cryptographic material transport systems and methods

#158
20110064262
2011-03-17

Method and system for watermarking 3D content

#159
20110026709
2011-02-03

System and methods for permitting open access to data objects and for securing data within the data objects

#160
20110023063
2011-01-27

Inserting personalized information into digital content

#161
20100235878
2010-09-16

METHOD AND SYSTEM FOR FILE DISTRIBUTION

#162
20100138857
2010-06-03

SYSTEMS AND METHODS FOR PROCESSING DATA PACKETS

#163
20100119068
2010-05-13

Digital File Anti pirating

#164
20100067692
2010-03-18

PICTURE-BASED VISIBLE ANTI-PIRACY SYSTEM AND METHOD FOR DIGITAL CINEMA

#165
20100037252
2010-02-11

Secured-tele-micro-browser for enabling internet browsing on a television

#166
20100027791
2010-02-04

Fuzzy protection of visual content

#167
20100023753
2010-01-28

System and method of generating subtitling for media

#168
20090316890
2009-12-24

TEXT BASED ANTI-PIRACY SYSTEM AND METHOD FOR DIGITAL CINEMA

#169
20090190754
2009-07-30

System and methods for permitting open access to data objects and for securing data within the data objects

#170
20090168867
2009-07-02

Packet comparator

#171
20090168813
2009-07-02

Multiple transport receiver

#172
20090168812
2009-07-02

Secure combined interoperable multiplexing

#173
20090168804
2009-07-02

Packet error correction

#174
20090168773
2009-07-02

Packet error handling

#175
20090138704
2009-05-28

Cryptographic method with integrated encryption and revocation, system, device and programs for implementing this method

#176
20090034862
2009-02-05

System and Method for Image Profiling

#177
20090024603
2009-01-22

Method and system for performing search using acronym

#178
20080279377
2008-11-13

METHOD AND SYSTEM FOR SCRAMBLING MEDIA DATA IN REAL TIME

#179
20080137849
2008-06-12

Method for the distribution of audio-visual information and a system for the distribution of audio-visual information

#180
20080101415
2008-05-01

PRIVATE DATA TRANSMISSION VIA AN ANALOG BROADCAST TRANSMISSION

#181
20080098212
2008-04-24

Downloadable security and protection methods and apparatus

#182
20080095096
2008-04-24

Geographic information transceiving system and method thereof

#183
20080072264
2008-03-20

Distribution of content on a network

#184
20080010469
2008-01-10

Data authentication with a secure environment

#185
20070283404
2007-12-06

METHOD AND APPARATUS FOR TRANSMITTING/RECEIVING ENCRYPTED ELECTRONIC SERVICE GUIDE IN DVB-H CBMS SYSTEM

#186
20070277197
2007-11-29

Copy protection arrangement

#187
20070263867
2007-11-15

INFORMATION PROCESSING SYSTEM, METHOD, AND APPARATUS, AND PROGRAM

#188
20070198414
2007-08-23

Method and system for selectively providing access to content

#189
20070174609
2007-07-26

Apparatus and method for determining revocation key, and apparatus and method for decrypting contents using the same

#190
20070127720
2007-06-07

Timeline protection

#191
20070124645
2007-05-31

Data transmission method

#192
20070124594
2007-05-31

Authentication of data in a digital transmission system

#193
20070116268
2007-05-24

METHOD OF DELIVERING CONTENT DATA AND COMMUNICATION TERMINAL FOR USE THEREIN

#194
20070112786
2007-05-17

System and method for wirelessly broadcasting content from a core for receipt by a mobile client

#195
20070110240
2007-05-17

Systems and methods for permitting open access to data objects and for securing data within the data objects

#196
20070038575
2007-02-15

Data copyright management system

#197
20060290814
2006-12-28

Audio receiver modular card and method thereof

#198
20060253897
2006-11-09

Copy-protected application for digital broadcasting system

#199
20060245806
2006-11-02

Character information generating apparatus and method, character information displaying apparatus and method, digital movie screening method and system, and subtitle display apparatus

#200
20060204007
2006-09-14

System and method for detecting AES random number generator synchronization errors

#201
20060191015
2006-08-24

Copy-protecting applications in a digital broadcasting system

#202
20060067320
2006-03-30

Method of transferring messages

#203
20060017747
2006-01-26

Copy protection arrangement

#204
20050259821
2005-11-24

Data multiplexing device, program distribution system, program transmission system, pay broadcast system, program transmission method, conditional access system, and data reception device

#205
20050257059
2005-11-17

Signing and authentication devices and processes and corresponding products, notably for DVB/MPEG MHP digital streams

#206
20050235309
2005-10-20

Method for the distribution of audio-visual information and a system for the distribution of audio-visual information

#207
20050232419
2005-10-20

Data multiplexing device, program distribution system, program transmission system, pay broadcast system, program transmission method, conditional access system, and data reception device

#208
20050229205
2005-10-13

Encrypted trigger and associated methods

#209
20050226417
2005-10-13

Data multiplexing device, program distribution system, program transmission system, pay broadcast system, program transmission method, conditional access system, and data reception device

#210
20050169496
2005-08-04

Steganographic data embedding in objects for authenticating and associating value with the objects

#211
20050138401
2005-06-23

Program data file storage method in broadcast receiver and broadcast receiver

#212
20050041955
2005-02-24

Authentification of data in a digital transmission system

#213
17347535
2023-05-09

Method and apparatus for secure video manifest/playlist generation and playback

#214
17337135
2022-07-05

Methods and apparatus to determine a unique audience for internet-based media

#215
15419440
2019-05-07

Method and apparatus for redacting video for compression and identification of releasing party

#216
15385643
2020-07-28

Cryptographic content delivery network

#217
14811548
2016-02-09

Dissemination of video files to mobile computing devices over a communications network

#218
14665378
2017-01-10

Systems and methods for providing self-services over television