BR112012014465A2 - dispositivo de recibemnto de conteúdo, dispositivo de reprodução de conteúdo, dispositivo de recebimento e reprodução de conteúdo, método de recebimento de conteúdo e programa - Google Patents

dispositivo de recibemnto de conteúdo, dispositivo de reprodução de conteúdo, dispositivo de recebimento e reprodução de conteúdo, método de recebimento de conteúdo e programa

Info

Publication number
BR112012014465A2
BR112012014465A2 BR112012014465A BR112012014465A BR112012014465A2 BR 112012014465 A2 BR112012014465 A2 BR 112012014465A2 BR 112012014465 A BR112012014465 A BR 112012014465A BR 112012014465 A BR112012014465 A BR 112012014465A BR 112012014465 A2 BR112012014465 A2 BR 112012014465A2
Authority
BR
Brazil
Prior art keywords
content
playback device
receipt
section
decoding
Prior art date
Application number
BR112012014465A
Other languages
English (en)
Other versions
BR112012014465B1 (pt
Inventor
Uemachi Shinya
Matsuda Yoshinori
Honke Yuusuke
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=BR112012014465(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 BR112012014465A2 publication Critical patent/BR112012014465A2/pt
Publication of BR112012014465B1 publication Critical patent/BR112012014465B1/pt

Links

Classifications

    • 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
    • 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
    • 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, manipulating MPEG-4 scene graphs
    • H04N21/2347—Processing of video elementary streams, e.g. splicing of video streams, manipulating MPEG-4 scene graphs involving video stream encryption
    • H04N21/23476—Processing of video elementary streams, e.g. splicing of video streams, manipulating MPEG-4 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, rendering scenes according to MPEG-4 scene graphs
    • H04N21/4405—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream, rendering scenes according to MPEG-4 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, rendering scenes according to MPEG-4 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

dispositivo de recibento de conteúdo, dispositivo de reprodução de conteúdo, dispositivo de recebimento e reprodução de conteúdo método de recibimento de conteúdo e programa. a presente invenção refere-se a um disposição de recebimento de conteúdo que é provido, que pode reduzir as cargas de processamento em um tempo quando um fluxo criptografado é decofificado. um dispositivo de gravação e de reprodução de vídeo (5) inclui: uma seção de recepção (20) que recebe um fluxo de vídeo no qual dados de um vídeo contendo um conteúdo são divididos em uma pluralidade de pacotes de ts; uma seção de extração (23) que extrai do fluxo de vídeo, em um caso em que o fluxo de vídeo recebido pela seção (2) é um fluxo criptografado, uma chave de embaralhamento para o decodificação do fluxo criptografado; uma seção de decodificação (24) que decodificação (24) que decodifica, pelo uso da chave de embaralhamento, apenas um pacote específico dentre a pluralidade de pacotes de ts; e uma seção de obtenção (25) que obtém uma informação predeterminada do fluxo de vídeo, com base em dados decodificados pela seção de decofificação (24).
BR112012014465-0A 2009-12-14 2010-11-29 Dispositivo de recebimento de conteúdo, método de recebimento de conteúdo e meio legível por computador BR112012014465B1 (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2009283242 2009-12-14
JP2009-283242 2009-12-14
PCT/JP2010/071246 WO2011074398A1 (ja) 2009-12-14 2010-11-29 コンテンツ受信装置、コンテンツ再生装置、コンテンツ受信再生装置、コンテンツ受信方法、及びプログラム

Publications (2)

Publication Number Publication Date
BR112012014465A2 true BR112012014465A2 (pt) 2017-03-14
BR112012014465B1 BR112012014465B1 (pt) 2021-09-28

Family

ID=44167157

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112012014465-0A BR112012014465B1 (pt) 2009-12-14 2010-11-29 Dispositivo de recebimento de conteúdo, método de recebimento de conteúdo e meio legível por computador

Country Status (16)

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

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JP5148765B1 (ja) 2011-09-06 2013-02-20 株式会社東芝 情報処理装置及び情報処理方法
US9680763B2 (en) 2012-02-14 2017-06-13 Airwatch, Llc Controlling distribution of resources in a network
US10404615B2 (en) 2012-02-14 2019-09-03 Airwatch, Llc Controlling distribution of resources on 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
KR101685738B1 (ko) 2016-12-20
WO2011074398A1 (ja) 2011-06-23
HK1171585A1 (zh) 2013-03-28
JP4746725B1 (ja) 2011-08-10
DE112010004796T5 (de) 2012-11-15
US8848911B2 (en) 2014-09-30
PE20130488A1 (es) 2013-05-08
KR20120099774A (ko) 2012-09-11
EP2515473A4 (en) 2013-04-10
SG181611A1 (en) 2012-07-30
CL2012001584A1 (es) 2013-04-05
NZ600198A (en) 2014-02-28
EP2515473B1 (en) 2019-03-06
CN102714594A (zh) 2012-10-03
CN102714594B (zh) 2016-08-10
AU2010331464B2 (en) 2015-11-26
AU2010331464A1 (en) 2012-06-14
JPWO2011074398A1 (ja) 2013-04-25
JP2011239404A (ja) 2011-11-24
US20120288091A1 (en) 2012-11-15
CO6561796A2 (es) 2012-11-15
RU2012130005A (ru) 2014-01-27
BR112012014465B1 (pt) 2021-09-28
EP2515473A1 (en) 2012-10-24

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Legal Events

Date Code Title Description
B25G Requested change of headquarter approved

Owner name: SUMITOMO ELECTRIC NETWORKS, INC. (JP)

B25A Requested transfer of rights approved

Owner name: SUMITOMO ELECTRIC INDUSTRIES, LTD. (JP)

B06F Objections, documents and/or translations needed after an examination request according [chapter 6.6 patent gazette]
B06U Preliminary requirement: requests with searches performed by other patent offices: procedure suspended [chapter 6.21 patent gazette]
B15K Others concerning applications: alteration of classification

Free format text: AS CLASSIFICACOES ANTERIORES ERAM: H04L 9/36 , H04N 5/76 , H04N 7/173

Ipc: H04L 9/06 (2006.01), H04L 9/08 (2006.01), H04N 5/7

B07A Application suspended after technical examination (opinion) [chapter 7.1 patent gazette]
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