NL8401989A - Video-eindstation met beeldlijnverhaspeling. - Google Patents
Video-eindstation met beeldlijnverhaspeling. Download PDFInfo
- 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
Links
Classifications
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G1/00—Control 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
- G09G1/06—Control 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
- G09G1/14—Control 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
- G09G1/16—Control 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
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/70—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer
- G06F21/82—Protecting input, output or interconnection devices
- G06F21/84—Protecting 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)
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)
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)
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 |
-
1984
- 1984-06-22 NL NL8401989A patent/NL8401989A/nl not_active Application Discontinuation
-
1985
- 1985-06-14 DE DE198585200945T patent/DE168861T1/de active Pending
- 1985-06-14 CA CA000483982A patent/CA1229931A/en not_active Expired
- 1985-06-14 EP EP85200945A patent/EP0168861A3/de not_active Withdrawn
- 1985-06-17 US US06/745,573 patent/US4669117A/en not_active Expired - Fee Related
- 1985-06-21 JP JP60134425A patent/JPS6192086A/ja active Pending
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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Legal Events
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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 |