FR2426372A1 - Dispositif a effet video numerique pour television - Google Patents
Dispositif a effet video numerique pour televisionInfo
- Publication number
- FR2426372A1 FR2426372A1 FR7912091A FR7912091A FR2426372A1 FR 2426372 A1 FR2426372 A1 FR 2426372A1 FR 7912091 A FR7912091 A FR 7912091A FR 7912091 A FR7912091 A FR 7912091A FR 2426372 A1 FR2426372 A1 FR 2426372A1
- Authority
- FR
- France
- Prior art keywords
- signals
- digital video
- horizontal
- television
- phase
- Prior art date
- 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.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/222—Studio circuitry; Studio devices; Studio equipment
- H04N5/262—Studio circuits, e.g. for mixing, switching-over, change of character of image, other special effects ; Cameras specially adapted for the electronic generation of special effects
- H04N5/2624—Studio circuits, e.g. for mixing, switching-over, change of character of image, other special effects ; Cameras specially adapted for the electronic generation of special effects for obtaining an image which is composed of whole input images, e.g. splitscreen
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/222—Studio circuitry; Studio devices; Studio equipment
- H04N5/262—Studio circuits, e.g. for mixing, switching-over, change of character of image, other special effects ; Cameras specially adapted for the electronic generation of special effects
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/64—Circuits for processing colour signals
- H04N9/74—Circuits for processing colour signals for obtaining special effects
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Studio Circuits (AREA)
- Television Systems (AREA)
- Television Signal Processing For Recording (AREA)
Abstract
Dispositif à effet vidéo numérique. Dans le dispositif selon la présente invention, seule une mémoire à accès sélectif à une image 30 produit un signal verrouillé en phase et mélangé 14 pour n signaux d'entrée de télévision synchronisés individuellement 11, 12, lorsqu'ils sont lus par des signaux d'adresse horizontale et verticale 48, 49 provenant d'un signal de synchronisation de référence 15 en synchronisme avec des impulsions de synchronisation horizontale et verticale y incluses. Des signaux vidéo numériques 39' et des signaux d'adresse verticale 29' provenant de n ou (n - 1) signaux d'entrée de télévision sont écrits dans n ou (n-1) mémoires à accès sélectif à quatre lignes 80 par des signaux d'adresse horizontale 28' et lus par des signaux d'adresse horizontale 48 ou 28, provenant soit du signal de synchronisation de référence, soit de l'un des n signaux d'entrée de télévision. Ainsi, des signaux vidéo numériques verrouillés horizontalement en phase 39, 83 sont écrits dans la mémoire à accès sélectif par les signaux d'adresse horizontale cités en dernier et de même par des signaux d'adresse verticale verrouillés horizontalement en phase 29, 84. Application à la télévision.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5778178A JPS6026350B2 (ja) | 1978-05-15 | 1978-05-15 | 複数画像画面合成装置 |
JP5778278A JPS6031391B2 (ja) | 1978-05-15 | 1978-05-15 | 複数画像画面合成装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2426372A1 true FR2426372A1 (fr) | 1979-12-14 |
FR2426372B1 FR2426372B1 (fr) | 1982-02-19 |
Family
ID=26398849
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7912091A Granted FR2426372A1 (fr) | 1978-05-15 | 1979-05-11 | Dispositif a effet video numerique pour television |
Country Status (5)
Country | Link |
---|---|
US (1) | US4218710A (fr) |
CA (1) | CA1137622A (fr) |
DE (1) | DE2919493C2 (fr) |
FR (1) | FR2426372A1 (fr) |
GB (1) | GB2026810B (fr) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2656142A1 (fr) * | 1989-12-15 | 1991-06-21 | Gold Star Co | Systeme d'affichage compartimente en quatre ecrans. |
WO1992017035A1 (fr) * | 1991-03-15 | 1992-10-01 | V.S.F. Video Scoper France | Procede pour generer simultanement un ensemble d'images video sur un support de visualisation, et systemes pour sa mise en ×uvre |
Families Citing this family (25)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4965825A (en) * | 1981-11-03 | 1990-10-23 | The Personalized Mass Media Corporation | Signal processing apparatus and methods |
US4420770A (en) * | 1982-04-05 | 1983-12-13 | Thomson-Csf Broadcast, Inc. | Video background generation system |
NL8203282A (nl) * | 1982-08-23 | 1984-03-16 | Philips Nv | Televisie-ontvanger met een schakeling voor het achtereenvolgens afstemmen van de ontvanger op verschillende frequenties. |
US4533952A (en) * | 1982-10-22 | 1985-08-06 | Digital Services Corporation | Digital video special effects system |
GB2137842B (en) * | 1983-03-10 | 1986-06-04 | Sony Corp | Television signal processing apparatus |
JPS59226576A (ja) * | 1983-06-08 | 1984-12-19 | Mitsubishi Electric Corp | テレビジヨン受信機のプリンタ装置 |
US4754331A (en) * | 1984-01-04 | 1988-06-28 | Litton Systems, Inc. | Digitizer for an image processing system |
JPH0712206B2 (ja) * | 1984-10-01 | 1995-02-08 | 日本放送協会 | 映像信号処理用基本装置 |
US4774600A (en) * | 1985-05-06 | 1988-09-27 | Eastman Kodak Company | Video tape editing technique |
JPH0638644B2 (ja) * | 1986-01-20 | 1994-05-18 | 株式会社日立製作所 | 文字図形表示回路 |
US4839728A (en) * | 1987-03-23 | 1989-06-13 | Rca Licensing Corporation | Picture-in-picture video signal generator |
US4907086A (en) * | 1987-09-04 | 1990-03-06 | Texas Instruments Incorporated | Method and apparatus for overlaying a displayable image with a second image |
US5258843A (en) * | 1987-09-04 | 1993-11-02 | Texas Instruments Incorporated | Method and apparatus for overlaying displayable information |
US5099331A (en) * | 1987-09-04 | 1992-03-24 | Texas Instruments Incorporated | Apparatus for overlaying a displayed image with a second image |
US4994914A (en) * | 1988-06-21 | 1991-02-19 | Digital Equipment Corporation | Composite video image device and related method |
US5327243A (en) * | 1989-12-05 | 1994-07-05 | Rasterops Corporation | Real time video converter |
US5229852A (en) * | 1989-12-05 | 1993-07-20 | Rasterops Corporation | Real time video converter providing special effects |
US5422678A (en) * | 1991-01-29 | 1995-06-06 | Seiko Epson Corp. | Video processor for enlarging and contracting an image in a vertical direction |
DE69422324T2 (de) * | 1993-03-29 | 2000-07-27 | Koninkl Philips Electronics Nv | Speicherarchitektur mit Fenstern zum Bildkompilieren |
US6469741B2 (en) | 1993-07-26 | 2002-10-22 | Pixel Instruments Corp. | Apparatus and method for processing television signals |
DE69521574T2 (de) * | 1994-03-29 | 2002-06-13 | Koninkl Philips Electronics Nv | Bildanzeigesystem und mehrfensterbildanzeigeverfahren |
JPH07311569A (ja) * | 1994-05-18 | 1995-11-28 | Fuji Photo Film Co Ltd | 画像処理装置および方法 |
US5729279A (en) * | 1995-01-26 | 1998-03-17 | Spectravision, Inc. | Video distribution system |
US6836295B1 (en) | 1995-12-07 | 2004-12-28 | J. Carl Cooper | Audio to video timing measurement for MPEG type television systems |
JP2005123775A (ja) * | 2003-10-15 | 2005-05-12 | Sony Corp | 再生装置、再生方法、再生プログラムおよび記録媒体 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3911420A (en) * | 1973-11-23 | 1975-10-07 | Xerox Corp | Display system including a high resolution character generator |
US3961133A (en) * | 1974-05-24 | 1976-06-01 | The Singer Company | Method and apparatus for combining video images with proper occlusion |
JPS5118423A (fr) * | 1974-08-07 | 1976-02-14 | Nippon Electric Co | |
US4007486A (en) * | 1974-10-05 | 1977-02-08 | Nippon Electric Co., Ltd. | Phase locking system for television signals using a digital memory technique |
US3944731A (en) * | 1975-03-03 | 1976-03-16 | Sarkes Tarzian, Inc. | Video special effects generator |
GB1547666A (en) * | 1975-04-05 | 1979-06-27 | Nippon Electric Co | Video signal coding system |
DE2628737C3 (de) * | 1976-06-25 | 1980-06-26 | Deutsche Itt Industries Gmbh, 7800 Freiburg | Fernsehempfänger mit einer Einrichtung zur gleichzeitigen Wiedergabe mehrerer Programme |
JPS6041514B2 (ja) * | 1976-11-30 | 1985-09-17 | 日本電気株式会社 | 静止画像伝送装置 |
-
1979
- 1979-05-08 US US06/037,238 patent/US4218710A/en not_active Expired - Lifetime
- 1979-05-11 FR FR7912091A patent/FR2426372A1/fr active Granted
- 1979-05-14 GB GB7916710A patent/GB2026810B/en not_active Expired
- 1979-05-15 CA CA000327683A patent/CA1137622A/fr not_active Expired
- 1979-05-15 DE DE2919493A patent/DE2919493C2/de not_active Expired
Non-Patent Citations (1)
Title |
---|
EXBK/76 * |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2656142A1 (fr) * | 1989-12-15 | 1991-06-21 | Gold Star Co | Systeme d'affichage compartimente en quatre ecrans. |
WO1992017035A1 (fr) * | 1991-03-15 | 1992-10-01 | V.S.F. Video Scoper France | Procede pour generer simultanement un ensemble d'images video sur un support de visualisation, et systemes pour sa mise en ×uvre |
Also Published As
Publication number | Publication date |
---|---|
FR2426372B1 (fr) | 1982-02-19 |
GB2026810B (en) | 1982-08-11 |
CA1137622A (fr) | 1982-12-14 |
US4218710A (en) | 1980-08-19 |
GB2026810A (en) | 1980-02-06 |
DE2919493C2 (de) | 1982-04-01 |
DE2919493A1 (de) | 1979-11-29 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |