IL97189A - A method for deciphering and deciphering a contractual signal - Google Patents

A method for deciphering and deciphering a contractual signal

Info

Publication number
IL97189A
IL97189A IL9718991A IL9718991A IL97189A IL 97189 A IL97189 A IL 97189A IL 9718991 A IL9718991 A IL 9718991A IL 9718991 A IL9718991 A IL 9718991A IL 97189 A IL97189 A IL 97189A
Authority
IL
Israel
Prior art keywords
image
line
memory
lines
image line
Prior art date
Application number
IL9718991A
Other languages
English (en)
Hebrew (he)
Other versions
IL97189A0 (en
Original Assignee
Nagra Plus Sa
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 Nagra Plus Sa filed Critical Nagra Plus Sa
Publication of IL97189A0 publication Critical patent/IL97189A0/xx
Publication of IL97189A publication Critical patent/IL97189A/en

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
    • H04N7/167—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

  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Engineering & Computer Science (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
  • Television Systems (AREA)
  • Color Television Systems (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Studio Circuits (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
  • Noise Elimination (AREA)
  • Traffic Control Systems (AREA)
  • Closed-Circuit Television Systems (AREA)
IL9718991A 1990-02-21 1991-02-08 A method for deciphering and deciphering a contractual signal IL97189A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH563/90A CH682614A5 (fr) 1990-02-21 1990-02-21 Procédé d'embrouillage et de désembrouillage d'un signal vidéo.

Publications (2)

Publication Number Publication Date
IL97189A0 IL97189A0 (en) 1992-05-25
IL97189A true IL97189A (en) 1996-01-19

Family

ID=4189907

Family Applications (1)

Application Number Title Priority Date Filing Date
IL9718991A IL97189A (en) 1990-02-21 1991-02-08 A method for deciphering and deciphering a contractual signal

Country Status (19)

Country Link
US (1) US5375168A (de)
EP (1) EP0469106B1 (de)
JP (1) JPH04505538A (de)
AT (1) ATE147918T1 (de)
AU (1) AU647080B2 (de)
BR (1) BR9104642A (de)
CA (1) CA2051810C (de)
CH (1) CH682614A5 (de)
CS (1) CS37791A2 (de)
DE (1) DE69124159T2 (de)
DK (1) DK0469106T3 (de)
ES (1) ES2097202T3 (de)
GR (1) GR3023108T3 (de)
HU (1) HU216198B (de)
IE (1) IE78621B1 (de)
IL (1) IL97189A (de)
PT (1) PT96818B (de)
RU (1) RU2132114C1 (de)
WO (1) WO1991013517A1 (de)

Families Citing this family (41)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI92541C (fi) 1992-10-30 1994-11-25 Salon Televisiotehdas Oy Videokuvan salausmenetelmä ja -järjestelmä
FI92542C (fi) * 1992-10-30 1994-11-25 Salon Televisiotehdas Oy Menetelmä ja järjestelmä videokuvan salaamiseksi
FI100563B (fi) 1996-01-30 1997-12-31 Nokia Oy Ab Digitaalisten esitysobjektien salaus lähetyksessä ja tallennuksessa
FR2749999B1 (fr) * 1996-06-17 1998-07-17 France Telecom Procede d'embrouillage et/ou de desembrouillage d'un signal d'image respectant la signature de signal
EP1026898A1 (de) 1999-02-04 2000-08-09 CANAL+ Société Anonyme Verfahren und Vorrichtung zur verschlüsselten Übertragung
US6963935B1 (en) 1999-08-31 2005-11-08 Gateway Inc. Peripheral universal bus hub
US8055894B2 (en) * 1999-11-09 2011-11-08 Google Inc. Process and streaming server for encrypting a data stream with bandwidth based variation
US6449719B1 (en) * 1999-11-09 2002-09-10 Widevine Technologies, Inc. Process and streaming server for encrypting a data stream
US7471834B2 (en) * 2000-07-24 2008-12-30 Vmark, Inc. Rapid production of reduced-size images from compressed video streams
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
US7221761B1 (en) * 2000-09-18 2007-05-22 Sharp Laboratories Of America, Inc. Error resilient digital video scrambling
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
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
US7594271B2 (en) * 2002-09-20 2009-09-22 Widevine Technologies, Inc. Method and system for real-time tamper evidence gathering for software
US7007170B2 (en) 2003-03-18 2006-02-28 Widevine Technologies, Inc. System, method, and apparatus for securely providing content viewable on a secure device
US7356143B2 (en) * 2003-03-18 2008-04-08 Widevine Technologies, Inc System, method, and apparatus for securely providing content viewable on a secure device
US20040199771A1 (en) * 2003-04-04 2004-10-07 Widevine Technologies, Inc. Method for tracing a security breach in highly distributed content
GB0312874D0 (en) 2003-06-05 2003-07-09 Zoo Digital Group Plc Controlling access to an audiovisual product
US7406174B2 (en) * 2003-10-21 2008-07-29 Widevine Technologies, Inc. System and method for n-dimensional encryption
US9609279B2 (en) 2004-09-24 2017-03-28 Google Inc. Method and system for providing secure CODECS
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
US7817608B2 (en) * 2005-09-23 2010-10-19 Widevine Technologies, Inc. Transitioning to secure IP communications for encoding, encapsulating, and encrypting data
US8065733B2 (en) 2005-09-23 2011-11-22 Google, Inc. Method for evolving detectors to detect malign behavior in an artificial immune system
WO2007038245A2 (en) 2005-09-23 2007-04-05 Widevine Technologies, Inc. Method for evolving detectors to detect malign behavior in an artificial immune system
US8689016B2 (en) 2005-12-02 2014-04-01 Google Inc. Tamper prevention and detection for video provided over a network to a client
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
US8621093B2 (en) 2007-05-21 2013-12-31 Google Inc. Non-blocking of head end initiated revocation and delivery of entitlements non-addressable digital media network
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
US8868464B2 (en) 2008-02-07 2014-10-21 Google Inc. Preventing unauthorized modification or skipping of viewing of advertisements within content
US9256720B2 (en) 2011-05-18 2016-02-09 Nextgenid, Inc. Enrollment kiosk including biometric enrollment and verification, face recognition and fingerprint matching systems
EP2710514A4 (de) 2011-05-18 2015-04-01 Nextgenid Inc Plattform für multibiometrische registrierung mit biometrischer registrierung und bewertung sowie gesichtserkennungs- und fingerabdruckvergleichssystemen
WO2013042888A2 (ko) * 2011-09-23 2013-03-28 주식회사 케이티 머지 후보 블록 유도 방법 및 이러한 방법을 사용하는 장치
US8751800B1 (en) 2011-12-12 2014-06-10 Google Inc. DRM provider interoperability
USD760711S1 (en) 2012-05-18 2016-07-05 NexgenID, Inc. Kiosk
USD818464S1 (en) 2014-04-11 2018-05-22 Nextgenid, Inc. Kiosk
CN104637039B (zh) * 2013-11-07 2020-07-07 深圳市腾讯计算机系统有限公司 一种图片处理的方法及装置
USD751061S1 (en) 2014-04-11 2016-03-08 Nextgenid, Inc. Kiosk

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1590579A (en) * 1977-12-16 1981-06-03 Micro Consultants Ltd Information scrambler system
US4405942A (en) * 1981-02-25 1983-09-20 Telease, Inc. Method and system for secure transmission and reception of video information, particularly for television
US4563702A (en) * 1983-05-27 1986-01-07 M/A-Com Linkabit, Inc. Video signal scrambling and descrambling systems
JPS59224965A (ja) * 1983-06-06 1984-12-17 Hitachi Ltd フアクシミリ通信方式
JPS60102074A (ja) * 1983-11-09 1985-06-06 Nec Corp テレビジヨン映像信号スクランブル方式
US4796299A (en) * 1985-08-22 1989-01-03 Itt Corporation Video encoder apparatus
US4736420A (en) * 1986-09-19 1988-04-05 M/A-Com Government Systems, Inc. Video scrambling by segmenting video information lines
DE3832611C2 (de) * 1987-09-30 1998-05-14 Thomson Brandt Gmbh Verschachtelung eines Videosignals
FR2626131B1 (fr) * 1988-01-14 1990-06-22 Telediffusion Fse Procede et dispositif de permutation de lignes de television par bloc
US4864615A (en) * 1988-05-27 1989-09-05 General Instrument Corporation Reproduction of secure keys by using distributed key generation data

Also Published As

Publication number Publication date
IE910581A1 (en) 1991-08-28
CS37791A2 (en) 1991-09-15
AU7210691A (en) 1991-09-18
US5375168A (en) 1994-12-20
PT96818A (pt) 1993-01-29
CA2051810C (fr) 2002-09-17
PT96818B (pt) 1998-08-31
RU2132114C1 (ru) 1999-06-20
CA2051810A1 (fr) 1991-08-22
HU913602D0 (en) 1992-08-28
DK0469106T3 (da) 1997-06-23
HUT62131A (en) 1993-03-29
ATE147918T1 (de) 1997-02-15
EP0469106A1 (de) 1992-02-05
JPH04505538A (ja) 1992-09-24
AU647080B2 (en) 1994-03-17
DE69124159T2 (de) 1997-08-07
DE69124159D1 (de) 1997-02-27
HU216198B (hu) 1999-05-28
IE78621B1 (en) 1998-02-25
ES2097202T3 (es) 1997-04-01
IL97189A0 (en) 1992-05-25
GR3023108T3 (en) 1997-07-30
BR9104642A (pt) 1992-05-19
CH682614A5 (fr) 1993-10-15
EP0469106B1 (de) 1997-01-15
WO1991013517A1 (fr) 1991-09-05

Similar Documents

Publication Publication Date Title
US5375168A (en) Method for scrambling and unscrambling a video signal
US5224161A (en) Method of scrambling and of unscrambling composite video signals, and device for implementation
AU652931B2 (en) Television scrambler
US5619501A (en) Conditional access filter as for a packet video signal inverse transport system
US5204900A (en) Coding system for descrambling video
JP2520217B2 (ja) 順序換えによりスクランブルされたビデオ信号をスクランブル解除するためのデコ―ダ
KR100343821B1 (ko) 음성/영상 신호 트랜스포트 프로세서 장치
GB2290204A (en) Relay apparatus, decoder and security broadcasting apparatus
GB2067871A (en) Information Encoding Systems
US20080134234A1 (en) Conditional access filter as for a packet video signal inverse transport system
EP0046798A1 (de) Verfahren und system zum sicheren übertragen und empfangen von video-information, insbesondere für fernsehen.
US5745482A (en) Repeating device
JPH03504313A (ja) 複合画像信号のスクランブル化／スクランブル複調化方法およびその実施化装置
EP0455405A2 (de) Verfahren und Vorrichtung zur Ver- und Entschlüsselung von Videosignalen
EP0436472B1 (de) System für das Senden und Empfangen von Fernsehsignalen
EP0123422A2 (de) Einrichtung zur Signalverwürflung und Entwürflung
RU2103837C1 (ru) Способ кодирования видеосигнала от несанкционированного доступа
KR0160456B1 (ko) 합성 비디오 신호 스크램블링 및 언 스크램블링 방법과 그 장치
GB2185664A (en) Teletext transmission systems

Legal Events

Date Code Title Description
FF Patent granted
KB Patent renewed
KB Patent renewed
KB Patent renewed
KB Patent renewed
EXP Patent expired