NO964260L - Fremgangsmåte og apparat for å sende og motta krypterte signaler - Google Patents

Fremgangsmåte og apparat for å sende og motta krypterte signaler

Info

Publication number
NO964260L
NO964260L NO964260A NO964260A NO964260L NO 964260 L NO964260 L NO 964260L NO 964260 A NO964260 A NO 964260A NO 964260 A NO964260 A NO 964260A NO 964260 L NO964260 L NO 964260L
Authority
NO
Norway
Prior art keywords
signal
encryption
encrypted
data
transmitting
Prior art date
Application number
NO964260A
Other languages
English (en)
Norwegian (no)
Other versions
NO964260D0 (no
Inventor
Donald Watts Davies
Original Assignee
Amstrad Plc
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
Application filed by Amstrad Plc filed Critical Amstrad Plc
Publication of NO964260D0 publication Critical patent/NO964260D0/no
Publication of NO964260L publication Critical patent/NO964260L/no

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/16—Analogue secrecy systems; Analogue subscription systems
    • H04N7/162—Authorising the user terminal, e.g. by paying; Registering the use of a subscription channel, e.g. billing
    • H04N7/163—Authorising the user terminal, e.g. by paying; Registering the use of a subscription channel, e.g. billing by receiver means only
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/16—Analogue secrecy systems; Analogue subscription systems
    • H04N7/167—Systems rendering the television signal unintelligible and subsequently intelligible
    • H04N7/169—Systems operating in the time domain of the television signal
    • H04N7/1696—Systems operating in the time domain of the television signal by changing or reversing the order of active picture signal portions

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Computer Security & Cryptography (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
NO964260A 1994-04-08 1996-10-07 Fremgangsmåte og apparat for å sende og motta krypterte signaler NO964260L (no)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB9407038A GB9407038D0 (en) 1994-04-08 1994-04-08 Method and apparatus for transmitting and receiving encrypted signals
PCT/GB1994/002116 WO1995028057A1 (en) 1994-04-08 1994-09-29 Method and apparatus for transmitting and receiving encrypted signals

Publications (2)

Publication Number Publication Date
NO964260D0 NO964260D0 (no) 1996-10-07
NO964260L true NO964260L (no) 1996-12-09

Family

ID=10753276

Family Applications (1)

Application Number Title Priority Date Filing Date
NO964260A NO964260L (no) 1994-04-08 1996-10-07 Fremgangsmåte og apparat for å sende og motta krypterte signaler

Country Status (18)

Country Link
US (1) US5920625A (da)
EP (1) EP0754390B1 (da)
AU (1) AU7704394A (da)
CA (1) CA2187313C (da)
CZ (1) CZ288958B6 (da)
DE (1) DE69422199T2 (da)
DK (1) DK0754390T3 (da)
ES (1) ES2142408T3 (da)
FI (1) FI964035A (da)
GB (1) GB9407038D0 (da)
GR (1) GR3032731T3 (da)
HU (1) HUT76459A (da)
NO (1) NO964260L (da)
NZ (1) NZ273662A (da)
PL (1) PL176058B1 (da)
PT (1) PT754390E (da)
SK (1) SK128596A3 (da)
WO (1) WO1995028057A1 (da)

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US6432976B1 (en) 1999-10-29 2002-08-13 Merck & Co., Inc. 8-aza-bicyclo[3.2.1]octane NMDA/NR2B antagonists
US6380205B1 (en) 1999-10-29 2002-04-30 Merck & Co., Inc. 2-cyclohexyl quinazoline NMDA/NR2B antagonists
US6495561B2 (en) 1999-10-29 2002-12-17 Merck & Co., Inc. 2-cyclohexyl imidazopyridine NMDA/NR2B antagonists
US6316474B1 (en) 1999-10-29 2001-11-13 Merck & Co., Inc. 2-benzyl and 2-heteroaryl benzimidazole NMDA/NR2B antagonists
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US7165175B1 (en) * 2000-09-06 2007-01-16 Widevine Technologies, Inc. Apparatus, system and method for selectively encrypting different portions of data sent over a network
US7043473B1 (en) 2000-11-22 2006-05-09 Widevine Technologies, Inc. Media tracking system and method
US7150045B2 (en) * 2000-12-14 2006-12-12 Widevine Technologies, Inc. Method and apparatus for protection of electronic media
US6687733B2 (en) 2001-06-01 2004-02-03 Intergenix Method and system for automatically configuring a client-server network
US7139398B2 (en) 2001-06-06 2006-11-21 Sony Corporation Time division partial encryption
US7895616B2 (en) 2001-06-06 2011-02-22 Sony Corporation Reconstitution of program streams split across multiple packet identifiers
US8290160B1 (en) 2001-10-17 2012-10-16 Appalachian Technologies Corporation of Pennsylvania Method and apparatus for secured facsimile transmission
US7376233B2 (en) 2002-01-02 2008-05-20 Sony Corporation Video slice and active region based multiple partial encryption
US8051443B2 (en) 2002-01-02 2011-11-01 Sony Corporation Content replacement by PID mapping
US8027470B2 (en) 2002-01-02 2011-09-27 Sony Corporation Video slice and active region based multiple partial encryption
US7155012B2 (en) * 2002-01-02 2006-12-26 Sony Corporation Slice mask and moat pattern partial encryption
US7302059B2 (en) 2002-01-02 2007-11-27 Sony Corporation Star pattern partial encryption
US7292690B2 (en) 2002-01-02 2007-11-06 Sony Corporation Video scene change detection
US7765567B2 (en) * 2002-01-02 2010-07-27 Sony Corporation Content replacement by PID mapping
US7823174B2 (en) 2002-01-02 2010-10-26 Sony Corporation Macro-block based content replacement by PID mapping
US7328345B2 (en) * 2002-01-29 2008-02-05 Widevine Technologies, Inc. Method and system for end to end securing of content for video on demand
US7299292B2 (en) * 2002-03-29 2007-11-20 Widevine Technologies, Inc. Process and streaming server for encrypting a data stream to a virtual smart card client system
US8818896B2 (en) 2002-09-09 2014-08-26 Sony Corporation Selective encryption with coverage encryption
US7594271B2 (en) * 2002-09-20 2009-09-22 Widevine Technologies, Inc. Method and system for real-time tamper evidence gathering for software
US7356143B2 (en) * 2003-03-18 2008-04-08 Widevine Technologies, Inc System, method, and apparatus for securely providing content viewable on a secure device
US7007170B2 (en) * 2003-03-18 2006-02-28 Widevine Technologies, Inc. System, method, and apparatus for securely providing content viewable on a secure device
JP3735670B2 (ja) * 2003-03-19 2006-01-18 独立行政法人情報通信研究機構 乱数列生成装置、暗号化復号化装置、乱数列生成方法、暗号化復号化方法、ならびに、プログラム
US7292692B2 (en) 2003-03-25 2007-11-06 Sony Corporation Content scrambling with minimal impact on legacy devices
US20040199771A1 (en) * 2003-04-04 2004-10-07 Widevine Technologies, Inc. Method for tracing a security breach in highly distributed content
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US7406174B2 (en) * 2003-10-21 2008-07-29 Widevine Technologies, Inc. System and method for n-dimensional encryption
US7853980B2 (en) 2003-10-31 2010-12-14 Sony Corporation Bi-directional indices for trick mode video-on-demand
US9609279B2 (en) * 2004-09-24 2017-03-28 Google Inc. Method and system for providing secure CODECS
US7895617B2 (en) 2004-12-15 2011-02-22 Sony Corporation Content substitution editor
US8041190B2 (en) * 2004-12-15 2011-10-18 Sony Corporation System and method for the creation, synchronization and delivery of alternate content
US20080015999A1 (en) * 2005-02-04 2008-01-17 Widevine Technologies, Inc. Securely ingesting encrypted content into content servers
US20070067643A1 (en) * 2005-09-21 2007-03-22 Widevine Technologies, Inc. System and method for software tamper detection
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US8526612B2 (en) * 2006-01-06 2013-09-03 Google Inc. Selective and persistent application level encryption for video provided to a client
US20070180231A1 (en) * 2006-01-31 2007-08-02 Widevine Technologies, Inc. Preventing entitlement management message (EMM) filter attacks
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US8243924B2 (en) * 2007-06-29 2012-08-14 Google Inc. Progressive download or streaming of digital media securely through a localized container and communication protocol proxy
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FR2643529B1 (fr) * 1989-02-22 1991-06-07 Kudelski Sa Fabr Enregistr Nag Systeme de television a peage utilisant une carte a memoire associee a un decodeur
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EP0570785B1 (en) * 1992-05-19 1997-10-01 THOMSON multimedia Method and apparatus for device control by data transmission in TV lines

Also Published As

Publication number Publication date
EP0754390B1 (en) 1999-12-15
EP0754390A1 (en) 1997-01-22
HUT76459A (en) 1997-09-29
HU9602760D0 (en) 1996-11-28
DE69422199T2 (de) 2002-07-25
FI964035A0 (fi) 1996-10-08
NZ273662A (en) 1998-05-27
FI964035A (fi) 1996-12-05
DK0754390T3 (da) 2000-05-29
PL316673A1 (en) 1997-02-03
DE69422199D1 (de) 2000-01-20
CZ9602937A3 (en) 2001-05-16
PT754390E (pt) 2000-04-28
GB9407038D0 (en) 1994-06-01
AU7704394A (en) 1995-10-30
SK128596A3 (en) 1998-02-04
WO1995028057A1 (en) 1995-10-19
CA2187313C (en) 2007-07-31
ES2142408T3 (es) 2000-04-16
NO964260D0 (no) 1996-10-07
CZ288958B6 (cs) 2001-10-17
CA2187313A1 (en) 1995-10-19
GR3032731T3 (en) 2000-06-30
PL176058B1 (pl) 1999-03-31
US5920625A (en) 1999-07-06

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