DE69938841D1 - - Google Patents

Info

Publication number
DE69938841D1
DE69938841D1 DE69938841T DE69938841T DE69938841D1 DE 69938841 D1 DE69938841 D1 DE 69938841D1 DE 69938841 T DE69938841 T DE 69938841T DE 69938841 T DE69938841 T DE 69938841T DE 69938841 D1 DE69938841 D1 DE 69938841D1
Authority
DE
Germany
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
DE69938841T
Inventor
Magnus Jaendel
Mathias Larsson
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Telefonaktiebolaget LM Ericsson AB
Original Assignee
Telefonaktiebolaget LM Ericsson AB
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=20413358&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE69938841(D1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Telefonaktiebolaget LM Ericsson AB filed Critical Telefonaktiebolaget LM Ericsson AB
Application granted granted Critical
Publication of DE69938841D1 publication Critical patent/DE69938841D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • H04N21/47—End-user applications
    • H04N21/472—End-user interface for requesting content, additional data or services; End-user interface for interacting with content, e.g. for content reservation or setting reminders, for requesting event notification, for manipulating displayed content
    • H04N21/4728—End-user interface for requesting content, additional data or services; End-user interface for interacting with content, e.g. for content reservation or setting reminders, for requesting event notification, for manipulating displayed content for selecting a Region Of Interest [ROI], e.g. for requesting a higher resolution version of a selected region
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
    • H04N19/17—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/32—Circuits or arrangements for control or supervision between transmitter and receiver or between image input and image output device, e.g. between a still-image camera and its memory or between a still-image camera and a printer device
    • H04N1/327—Initiating, continuing or ending a single-mode communication; Handshaking therefor
    • H04N1/32765—Initiating a communication
    • H04N1/32771—Initiating a communication in response to a request, e.g. for a particular document
    • H04N1/32776—Initiating a communication in response to a request, e.g. for a particular document using an interactive, user-operated device, e.g. a computer terminal, mobile telephone
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/44—Secrecy systems
    • H04N1/448—Rendering the image unintelligible, e.g. scrambling
    • H04N1/4486—Rendering the image unintelligible, e.g. scrambling using digital data encryption
DE69938841T 1998-11-20 1999-11-17 Expired - Lifetime DE69938841D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE9803979A SE513356C2 (sv) 1998-11-20 1998-11-20 Förfarande och anordning för kryptering av bilder
PCT/SE1999/002106 WO2000031964A1 (en) 1998-11-20 1999-11-17 A method and a device for encryption of images

Publications (1)

Publication Number Publication Date
DE69938841D1 true DE69938841D1 (de) 2008-07-10

Family

ID=20413358

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69938841T Expired - Lifetime DE69938841D1 (de) 1998-11-20 1999-11-17

Country Status (10)

Country Link
US (1) US6931534B1 (de)
EP (1) EP1142301B1 (de)
JP (1) JP4659217B2 (de)
KR (1) KR100712328B1 (de)
CN (1) CN1166172C (de)
AU (1) AU1902300A (de)
CA (1) CA2352212A1 (de)
DE (1) DE69938841D1 (de)
SE (1) SE513356C2 (de)
WO (1) WO2000031964A1 (de)

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JP2002531015A (ja) 2002-09-17
US6931534B1 (en) 2005-08-16
SE9803979D0 (sv) 1998-11-20
AU1902300A (en) 2000-06-13
SE9803979L (sv) 2000-05-21
EP1142301A1 (de) 2001-10-10
JP4659217B2 (ja) 2011-03-30
CN1166172C (zh) 2004-09-08
CN1333973A (zh) 2002-01-30
SE513356C2 (sv) 2000-08-28
KR20010089481A (ko) 2001-10-06
WO2000031964A1 (en) 2000-06-02
CA2352212A1 (en) 2000-06-02
KR100712328B1 (ko) 2007-05-02

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