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NL8401989A - Video-eindstation met beeldlijnverhaspeling. - Google Patents

Video-eindstation met beeldlijnverhaspeling. Download PDF

Info

Publication number
NL8401989A
NL8401989A NL8401989A NL8401989A NL8401989A NL 8401989 A NL8401989 A NL 8401989A NL 8401989 A NL8401989 A NL 8401989A NL 8401989 A NL8401989 A NL 8401989A NL 8401989 A NL8401989 A NL 8401989A
Authority
NL
Netherlands
Prior art keywords
address
line
image
memory
image memory
Prior art date
Application number
NL8401989A
Other languages
English (en)
Dutch (nl)
Original Assignee
Nederlanden Staat
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 Nederlanden Staat filed Critical Nederlanden Staat
Priority to NL8401989A priority Critical patent/NL8401989A/nl
Priority to CA000483982A priority patent/CA1229931A/en
Priority to EP85200945A priority patent/EP0168861A3/de
Priority to DE198585200945T priority patent/DE168861T1/de
Priority to US06/745,573 priority patent/US4669117A/en
Priority to JP60134425A priority patent/JPS6192086A/ja
Publication of NL8401989A publication Critical patent/NL8401989A/nl

Links

Classifications

    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G1/00Control arrangements or circuits, of interest only in connection with cathode-ray tube indicators; General aspects or details, e.g. selection emphasis on particular characters, dashed line or dotted line generation; Preprocessing of data
    • G09G1/06Control arrangements or circuits, of interest only in connection with cathode-ray tube indicators; General aspects or details, e.g. selection emphasis on particular characters, dashed line or dotted line generation; Preprocessing of data using single beam tubes, e.g. three-dimensional or perspective representation, rotation or translation of display pattern, hidden lines, shadows
    • G09G1/14Control arrangements or circuits, of interest only in connection with cathode-ray tube indicators; General aspects or details, e.g. selection emphasis on particular characters, dashed line or dotted line generation; Preprocessing of data using single beam tubes, e.g. three-dimensional or perspective representation, rotation or translation of display pattern, hidden lines, shadows the beam tracing a pattern independent of the information to be displayed, this latter determining the parts of the pattern rendered respectively visible and invisible
    • G09G1/16Control arrangements or circuits, of interest only in connection with cathode-ray tube indicators; General aspects or details, e.g. selection emphasis on particular characters, dashed line or dotted line generation; Preprocessing of data using single beam tubes, e.g. three-dimensional or perspective representation, rotation or translation of display pattern, hidden lines, shadows the beam tracing a pattern independent of the information to be displayed, this latter determining the parts of the pattern rendered respectively visible and invisible the pattern of rectangular co-ordinates extending over the whole area of the screen, i.e. television type raster
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F21/00Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F21/70Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer
    • G06F21/82Protecting input, output or interconnection devices
    • G06F21/84Protecting input, output or interconnection devices output devices, e.g. displays or monitors

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Theoretical Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Physics & Mathematics (AREA)
  • Software Systems (AREA)
  • General Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
  • Controls And Circuits For Display Device (AREA)
  • Indexing, Searching, Synchronizing, And The Amount Of Synchronization Travel Of Record Carriers (AREA)
  • Management Or Editing Of Information On Record Carriers (AREA)
NL8401989A 1984-06-22 1984-06-22 Video-eindstation met beeldlijnverhaspeling. NL8401989A (nl)

Priority Applications (6)

Application Number Priority Date Filing Date Title
NL8401989A NL8401989A (nl) 1984-06-22 1984-06-22 Video-eindstation met beeldlijnverhaspeling.
CA000483982A CA1229931A (en) 1984-06-22 1985-06-14 Video terminal with image line disarrangement
EP85200945A EP0168861A3 (de) 1984-06-22 1985-06-14 Videoanzeigeterminal mit derangierten Bildzeilen
DE198585200945T DE168861T1 (de) 1984-06-22 1985-06-14 Videoanzeigeterminal mit derangierten bildzeilen.
US06/745,573 US4669117A (en) 1984-06-22 1985-06-17 Video terminal with image line disarrangement
JP60134425A JPS6192086A (ja) 1984-06-22 1985-06-21 画像ラインに混乱を生じさせてあるビデオ端末装置

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL8401989 1984-06-22
NL8401989A NL8401989A (nl) 1984-06-22 1984-06-22 Video-eindstation met beeldlijnverhaspeling.

Publications (1)

Publication Number Publication Date
NL8401989A true NL8401989A (nl) 1986-01-16

Family

ID=19844117

Family Applications (1)

Application Number Title Priority Date Filing Date
NL8401989A NL8401989A (nl) 1984-06-22 1984-06-22 Video-eindstation met beeldlijnverhaspeling.

Country Status (6)

Country Link
US (1) US4669117A (de)
EP (1) EP0168861A3 (de)
JP (1) JPS6192086A (de)
CA (1) CA1229931A (de)
DE (1) DE168861T1 (de)
NL (1) NL8401989A (de)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8605014D0 (en) * 1986-02-28 1986-10-01 Int Computers Ltd Video display unit
US5040211A (en) * 1988-10-13 1991-08-13 Massachusetts Institute Of Technology Reliable television transmission through analog channels
JP2661206B2 (ja) * 1988-10-31 1997-10-08 キヤノン株式会社 映像信号記録装置
FR2641656B1 (fr) * 1988-12-20 1991-08-02 Bull Sa Procede de brouillage de l'identification d'une touche d'un clavier non code, et circuit pour la mise en oeuvre du procede
US5254989A (en) * 1988-12-20 1993-10-19 Bull S.A. Garbling the identification of a key of a non-coded keyboard, and circuit for performing the method
GB2228394A (en) * 1989-01-14 1990-08-22 Univ Dundee Image line rearrangement gives vdu security
GB2237711A (en) * 1989-07-31 1991-05-08 Rank Brimar Ltd Security of video monitors.
EP0431581A3 (en) * 1989-12-06 1993-05-19 Radius Inc. Method and apparatus for changing the orientation of a video display
US5014310A (en) * 1989-12-18 1991-05-07 General Instrument Corporation Video scrambling and descrambling by varying sequence of segments in adjacent video information lines
FR2667412B1 (fr) * 1990-09-28 1994-07-22 Alsthom Gec Dispositif d'exploitation de donnees issues d'un systeme de traitement de donnees protege contre les erreurs.
CA2316227C (en) * 1998-01-02 2009-08-11 Cryptography Research, Inc. Leak-resistant cryptographic method and apparatus
US7587044B2 (en) * 1998-01-02 2009-09-08 Cryptography Research, Inc. Differential power analysis method and apparatus
CA2333095C (en) * 1998-06-03 2005-05-10 Cryptography Research, Inc. Improved des and other cryptographic processes with leak minimization for smartcards and other cryptosystems
CA2334597C (en) * 1998-07-02 2007-09-04 Cryptography Research, Inc. Leak-resistant cryptographic indexed key update
JP2002158654A (ja) * 2000-11-17 2002-05-31 Hitachi Ltd 情報処理装置、表示装置、デジタルコンテンツ配布システム、および、デジタルコンテンツ配布・出力方法
JP2008113172A (ja) * 2006-10-30 2008-05-15 Hitachi Ltd コンテンツ送信装置、コンテンツ受信装置及びコンテンツ暗号化方法
JP5667375B2 (ja) * 2010-04-05 2015-02-12 日立オムロンターミナルソリューションズ株式会社 情報漏洩を防止した表示画像作成方法および表示画像作成装置、並びにそれを用いたコンピュータおよび端末装置

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US31460A (en) * 1861-02-19 Vegetable-cutter
US2879324A (en) * 1954-04-08 1959-03-24 Internat Telemeter Corp Video scrambling and unscrambling system
SE400445B (sv) * 1973-10-31 1978-03-20 Univ Western Australia Bildoverforingsanordning
JPS5711040B2 (de) * 1974-08-05 1982-03-02
GB1590579A (en) * 1977-12-16 1981-06-03 Micro Consultants Ltd Information scrambler system
US4459611A (en) * 1978-08-28 1984-07-10 Fuji Xerox Co., Ltd. Image conversion system
FR2486746A1 (fr) * 1980-07-11 1982-01-15 Telediffusion Fse Procede de brouillage et de debrouillage d'images de television
GB2084777B (en) * 1980-09-17 1984-04-11 Eurosil Gmbh Oriental number-display arrangement
US4405942A (en) * 1981-02-25 1983-09-20 Telease, Inc. Method and system for secure transmission and reception of video information, particularly for television
US4553171A (en) * 1984-01-27 1985-11-12 Xerox Corporation Tile encoding in image printing

Also Published As

Publication number Publication date
US4669117A (en) 1987-05-26
JPS6192086A (ja) 1986-05-10
EP0168861A2 (de) 1986-01-22
DE168861T1 (de) 1986-04-10
CA1229931A (en) 1987-12-01
EP0168861A3 (de) 1986-02-05

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A1B A search report has been drawn up
BC A request for examination has been filed
BV The patent application has lapsed