CO6561796A2 - Dispositivo receptor de contenidos,dispositivo reproductor de contenidos , dispositivo receptor y reproductor de contenidos, método para recibir contenidos, y un programa - Google Patents

Dispositivo receptor de contenidos,dispositivo reproductor de contenidos , dispositivo receptor y reproductor de contenidos, método para recibir contenidos, y un programa

Info

Publication number
CO6561796A2
CO6561796A2 CO12117520A CO12117520A CO6561796A2 CO 6561796 A2 CO6561796 A2 CO 6561796A2 CO 12117520 A CO12117520 A CO 12117520A CO 12117520 A CO12117520 A CO 12117520A CO 6561796 A2 CO6561796 A2 CO 6561796A2
Authority
CO
Colombia
Prior art keywords
content
receiving
stream
video
section
Prior art date
Application number
CO12117520A
Other languages
English (en)
Inventor
Yuusuke Honke
Shinya Uemachi
Yoshinori Matsuda
Original Assignee
Sumitomo Electric Networks Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=44167157&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=CO6561796(A2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Sumitomo Electric Networks Inc filed Critical Sumitomo Electric Networks Inc
Publication of CO6561796A2 publication Critical patent/CO6561796A2/es

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/36—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols with means for detecting characters not meant for transmission
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H04N5/91—Television signal processing therefor
    • H04N5/913—Television signal processing therefor for scrambling ; for copy protection
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/54—Store-and-forward switching systems 
    • H04L12/56—Packet switching systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/06—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols the encryption apparatus using shift registers or memories for block-wise or stream coding, e.g. DES systems or RC4; Hash functions; Pseudorandom sequence generators
    • H04L9/065—Encryption by serially and continuously modifying data stream elements, e.g. stream cipher systems, RC4, SEAL or A5/3
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/08—Key distribution or management, e.g. generation, sharing or updating, of cryptographic keys or passwords
    • H04L9/0816—Key establishment, i.e. cryptographic processes or cryptographic protocols whereby a shared secret becomes available to two or more parties, for subsequent use
    • H04L9/0819—Key transport or distribution, i.e. key establishment techniques where one party creates or otherwise obtains a secret value, and securely transfers it to the other(s)
    • H04L9/0822—Key transport or distribution, i.e. key establishment techniques where one party creates or otherwise obtains a secret value, and securely transfers it to the other(s) using key encryption key
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
    • H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
    • H04N21/234—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs
    • H04N21/2347—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs involving video stream encryption
    • H04N21/23476—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs involving video stream encryption by partially encrypting, e.g. encrypting the ending portion of a movie
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
    • H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
    • H04N21/236—Assembling of a multiplex stream, e.g. transport stream, by combining a video stream with other content or additional data, e.g. inserting a URL [Uniform Resource Locator] into a video stream, multiplexing software data into a video stream; Remultiplexing of multiplex streams; Insertion of stuffing bits into the multiplex stream, e.g. to obtain a constant bit-rate; Assembling of a packetised elementary stream
    • H04N21/23605—Creation or processing of packetized elementary streams [PES]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/434—Disassembling of a multiplex stream, e.g. demultiplexing audio and video streams, extraction of additional data from a video stream; Remultiplexing of multiplex streams; Extraction or processing of SI; Disassembling of packetised elementary stream
    • H04N21/4343—Extraction or processing of packetized elementary streams [PES]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/44—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs
    • H04N21/4405—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs involving video stream decryption
    • H04N21/44055—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs involving video stream decryption by partially decrypting, e.g. decrypting a video stream that has been partially encrypted
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H04N5/78—Television signal recording using magnetic recording
    • H04N5/782—Television signal recording using magnetic recording on tape
    • H04N5/783—Adaptations for reproducing at a rate different from the recording rate
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L2209/00—Additional information or applications relating to cryptographic mechanisms or cryptographic arrangements for secret or secure communication H04L9/00
    • H04L2209/60—Digital content management, e.g. content distribution
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H04N5/91—Television signal processing therefor
    • H04N5/913—Television signal processing therefor for scrambling ; for copy protection
    • H04N2005/91357—Television signal processing therefor for scrambling ; for copy protection by modifying the video signal
    • H04N2005/91364—Television signal processing therefor for scrambling ; for copy protection by modifying the video signal the video signal being scrambled
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/79—Processing of colour television signals in connection with recording
    • H04N9/80—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback
    • H04N9/804—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback involving pulse code modulation of the colour picture signal components
    • H04N9/8042—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback involving pulse code modulation of the colour picture signal components involving data reduction
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/79—Processing of colour television signals in connection with recording
    • H04N9/80—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback
    • H04N9/82—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback the individual colour picture signal components being recorded simultaneously only
    • H04N9/8205—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback the individual colour picture signal components being recorded simultaneously only involving the multiplexing of an additional signal and the colour video signal

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Computer Security & Cryptography (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
  • Television Signal Processing For Recording (AREA)

Abstract

Se proporciona un dispositivo receptor de contenidos que puede reducir las cargas de procesamiento en el momento en el que se desencripta un flujo encriptado. Un dispositivo de registro y reproducción de video 5 incluye: una sección receptora 20 que recibe un flujo de video en el que los datos de un video que contiene contenidos se divide en una pluralidad de paquetes TS, una sección de extracción 23 que extrae del flujo de video, en un caso en donde el flujo de video recibido por la sección receptora 20 es un flujo encriptado, una clave codificada para desencriptar el flujo encriptado; una sección de desencriptado 24 que desencripta, usando la clave codificada, solamente un paquete específico entre la pluralidad de paquetes TS; y una sección de obtención 25 que obtiene información predeterminada del flujo de video, en base a los datos desencriptados por la sección de desencriptado 24.
CO12117520A 2009-12-14 2012-07-12 Dispositivo receptor de contenidos,dispositivo reproductor de contenidos , dispositivo receptor y reproductor de contenidos, método para recibir contenidos, y un programa CO6561796A2 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2009283242 2009-12-14

Publications (1)

Publication Number Publication Date
CO6561796A2 true CO6561796A2 (es) 2012-11-15

Family

ID=44167157

Family Applications (1)

Application Number Title Priority Date Filing Date
CO12117520A CO6561796A2 (es) 2009-12-14 2012-07-12 Dispositivo receptor de contenidos,dispositivo reproductor de contenidos , dispositivo receptor y reproductor de contenidos, método para recibir contenidos, y un programa

Country Status (16)

Country Link
US (1) US8848911B2 (es)
EP (1) EP2515473B1 (es)
JP (2) JP4746725B1 (es)
KR (1) KR101685738B1 (es)
CN (1) CN102714594B (es)
AU (1) AU2010331464B2 (es)
BR (1) BR112012014465B1 (es)
CL (1) CL2012001584A1 (es)
CO (1) CO6561796A2 (es)
DE (1) DE112010004796T5 (es)
HK (1) HK1171585A1 (es)
NZ (1) NZ600198A (es)
PE (1) PE20130488A1 (es)
RU (1) RU2012130005A (es)
SG (1) SG181611A1 (es)
WO (1) WO2011074398A1 (es)

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US10404615B2 (en) 2012-02-14 2019-09-03 Airwatch, Llc Controlling distribution of resources on a network
US9680763B2 (en) 2012-02-14 2017-06-13 Airwatch, Llc Controlling distribution of resources in a network
JP5866635B2 (ja) * 2012-03-30 2016-02-17 住友電気工業株式会社 ストリーム処理装置、ストリーム処理方法およびストリーム処理プログラム
KR102034719B1 (ko) 2012-12-21 2019-10-22 삼성전자주식회사 리튬공기전지용 보호음극 및 이를 포함한 리튬공기전지
US20140280955A1 (en) 2013-03-14 2014-09-18 Sky Socket, Llc Controlling Electronically Communicated Resources
US9401915B2 (en) * 2013-03-15 2016-07-26 Airwatch Llc Secondary device as key for authorizing access to resources
US9426162B2 (en) 2013-05-02 2016-08-23 Airwatch Llc Location-based configuration policy toggling
US9521442B2 (en) * 2014-05-22 2016-12-13 Comcast Cable Communications, Llc Digital transport adapter
US9584964B2 (en) 2014-12-22 2017-02-28 Airwatch Llc Enforcement of proximity based policies
JP6721832B2 (ja) * 2016-08-24 2020-07-15 富士通株式会社 データ変換プログラム、データ変換装置及びデータ変換方法
KR101961841B1 (ko) * 2017-11-13 2019-07-17 주식회사 카이 영상 장치 및 영상 장치의 동작 방법
KR102484754B1 (ko) * 2017-12-08 2023-01-06 삼성전자주식회사 영상처리장치 및 그 제어방법

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Also Published As

Publication number Publication date
WO2011074398A1 (ja) 2011-06-23
BR112012014465A2 (pt) 2017-03-14
BR112012014465B1 (pt) 2021-09-28
NZ600198A (en) 2014-02-28
PE20130488A1 (es) 2013-05-08
SG181611A1 (en) 2012-07-30
EP2515473B1 (en) 2019-03-06
KR20120099774A (ko) 2012-09-11
CN102714594A (zh) 2012-10-03
JP4746725B1 (ja) 2011-08-10
AU2010331464A1 (en) 2012-06-14
KR101685738B1 (ko) 2016-12-20
EP2515473A1 (en) 2012-10-24
JPWO2011074398A1 (ja) 2013-04-25
RU2012130005A (ru) 2014-01-27
CN102714594B (zh) 2016-08-10
DE112010004796T5 (de) 2012-11-15
HK1171585A1 (zh) 2013-03-28
AU2010331464B2 (en) 2015-11-26
CL2012001584A1 (es) 2013-04-05
US8848911B2 (en) 2014-09-30
JP2011239404A (ja) 2011-11-24
EP2515473A4 (en) 2013-04-10
US20120288091A1 (en) 2012-11-15

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