ATE190181T1 - Verfahren und vorrichtung zur überlagerung von digital generierten graphischen zeichen über ein analoges videosignal - Google Patents

Verfahren und vorrichtung zur überlagerung von digital generierten graphischen zeichen über ein analoges videosignal

Info

Publication number
ATE190181T1
ATE190181T1 AT95303331T AT95303331T ATE190181T1 AT E190181 T1 ATE190181 T1 AT E190181T1 AT 95303331 T AT95303331 T AT 95303331T AT 95303331 T AT95303331 T AT 95303331T AT E190181 T1 ATE190181 T1 AT E190181T1
Authority
AT
Austria
Prior art keywords
analog video
digital
source signal
color subcarrier
video source
Prior art date
Application number
AT95303331T
Other languages
English (en)
Inventor
David E Zeidler
Robert M Simons
Qiang Zhu
Original Assignee
Gen Instrument Corp
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 Gen Instrument Corp filed Critical Gen Instrument Corp
Application granted granted Critical
Publication of ATE190181T1 publication Critical patent/ATE190181T1/de

Links

Classifications

    • 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
    • H04N9/76—Circuits for processing colour signals for obtaining special effects for mixing of colour signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
    • H04N5/445—Receiver circuitry for the reception of television signals according to analogue transmission standards for displaying additional information
    • H04N5/44504—Circuit details of the additional information generator, e.g. details of the character or graphics signal generator, overlay mixing circuits
    • 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
    • H04N9/641—Multi-purpose receivers, e.g. for auxiliary information
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/44—Colour synchronisation
    • H04N9/45—Generation or recovery of colour sub-carriers

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Computer Graphics (AREA)
  • Processing Of Color Television Signals (AREA)
  • Studio Circuits (AREA)
  • Color Television Systems (AREA)
AT95303331T 1994-07-06 1995-05-18 Verfahren und vorrichtung zur überlagerung von digital generierten graphischen zeichen über ein analoges videosignal ATE190181T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/271,026 US5541666A (en) 1994-07-06 1994-07-06 Method and apparatus for overlaying digitally generated graphics over an analog video signal

Publications (1)

Publication Number Publication Date
ATE190181T1 true ATE190181T1 (de) 2000-03-15

Family

ID=23033874

Family Applications (1)

Application Number Title Priority Date Filing Date
AT95303331T ATE190181T1 (de) 1994-07-06 1995-05-18 Verfahren und vorrichtung zur überlagerung von digital generierten graphischen zeichen über ein analoges videosignal

Country Status (6)

Country Link
US (2) US5541666A (de)
EP (1) EP0691791B1 (de)
AT (1) ATE190181T1 (de)
DE (1) DE69515218T2 (de)
ES (1) ES2147263T3 (de)
FI (1) FI953335A7 (de)

Families Citing this family (35)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20020091850A1 (en) 1992-10-23 2002-07-11 Cybex Corporation System and method for remote monitoring and operation of personal computers
DE4422615A1 (de) * 1994-06-28 1996-01-04 Philips Patentverwaltung Bildwiedergabeanordnung
US5541666A (en) * 1994-07-06 1996-07-30 General Instrument Method and apparatus for overlaying digitally generated graphics over an analog video signal
KR960024874A (ko) * 1994-12-30 1996-07-20 김광호 마이컴을 이용한 디스플레이 장치의 암호 설정 장치 및 암호 설정 방법
WO1996033577A1 (fr) * 1995-04-21 1996-10-24 Sony Corporation Procede et circuit de synchronisation de phase d'un signal video, et dispositif combine
EP0741379A1 (de) * 1995-05-04 1996-11-06 Winbond Electronics Corporation Skalierter Video-Ausgang, der einen graphischen Computerausgang überlagert
US6014176A (en) * 1995-06-21 2000-01-11 Sony Corporation Automatic phase control apparatus for phase locking the chroma burst of analog and digital video data using a numerically controlled oscillator
US5815212A (en) * 1995-06-21 1998-09-29 Sony Corporation Video overlay circuit for synchronizing and combining analog and digital signals
US5721842A (en) 1995-08-25 1998-02-24 Apex Pc Solutions, Inc. Interconnection system for viewing and controlling remotely connected computers with on-screen video overlay for controlling of the interconnection switch
JPH1011009A (ja) * 1996-04-23 1998-01-16 Hitachi Ltd 映像信号の処理装置及びこれを用いた表示装置
JP2954043B2 (ja) * 1996-11-15 1999-09-27 日本電気アイシーマイコンシステム株式会社 Ｏｓｄ装置
JP3500883B2 (ja) * 1996-12-12 2004-02-23 松下電器産業株式会社 カラー方式判別回路
JP3742167B2 (ja) * 1996-12-18 2006-02-01 株式会社東芝 画像表示制御装置
US6702789B1 (en) 1997-03-11 2004-03-09 Alcove Medical, Inc. Catheter having insertion control mechanism and anti-bunching mechanism
US6304895B1 (en) 1997-08-22 2001-10-16 Apex Inc. Method and system for intelligently controlling a remotely located computer
DE19743002A1 (de) * 1997-09-29 1999-04-08 Siemens Ag Umschaltvorrichtung für analoge und digitale Signale
US20010044843A1 (en) 1997-10-28 2001-11-22 Philip Bates Multi-user computer system
EP1116086B1 (de) 1998-09-22 2007-02-21 Avocent Huntsville Corporation System zum fernzugriff auf personalcomputer
US6378014B1 (en) 1999-08-25 2002-04-23 Apex Inc. Terminal emulator for interfacing between a communications port and a KVM switch
BR9917505A (pt) * 1999-09-27 2002-06-04 Gen Instrument Corp Subsistema gráfico de vìdeo, e, método para inserir sinais gráficos intermitentes em um sinal de vìdeo analógico
US7116377B2 (en) * 1999-09-27 2006-10-03 General Instrument Corporation Graphics subsystem bypass method and apparatus
US6507370B1 (en) 2000-03-20 2003-01-14 International Business Machines Corporation Highly adjustable video composite sync separator and variable gain pixel clock frequency locking apparatus and method
ATE339851T1 (de) * 2000-10-19 2006-10-15 Sanyo Electric Co Bilddatenausgabevorrichtung und empfangsvorrichtung
US7071996B2 (en) * 2002-07-19 2006-07-04 Sun Microsystems, Inc. Synchronizing video formats with dissimilar timing
WO2005029851A1 (ja) * 2003-09-19 2005-03-31 Matsushita Electric Industrial Co., Ltd. Ｏｓｄ挿入回路
US7259482B2 (en) 2003-09-24 2007-08-21 Belkin International, Inc. Distance extender and method making use of same
MXPA06003607A (es) * 2003-10-16 2006-06-05 Chiron Corp Quinazolinas, quinoxalinas, quinolinas e isoquinolinas 2.6-disubstituidas como inhibidores de la cinasa raf para el tratamiento del cancer.
US7564923B2 (en) * 2005-10-27 2009-07-21 Cypress Semiconductor Corporation Frequency offset and method of offsetting
US8009173B2 (en) 2006-08-10 2011-08-30 Avocent Huntsville Corporation Rack interface pod with intelligent platform control
US8427489B2 (en) 2006-08-10 2013-04-23 Avocent Huntsville Corporation Rack interface pod with intelligent platform control
US20080062312A1 (en) * 2006-09-13 2008-03-13 Jiliang Song Methods and Devices of Using a 26 MHz Clock to Encode Videos
US20080062311A1 (en) * 2006-09-13 2008-03-13 Jiliang Song Methods and Devices to Use Two Different Clocks in a Television Digital Encoder
GB2444743A (en) * 2006-12-11 2008-06-18 Digitati Ltd Computer implemented virtual shopping store
US8102470B2 (en) * 2008-02-22 2012-01-24 Cisco Technology, Inc. Video synchronization system
US9152139B2 (en) * 2009-06-16 2015-10-06 Control4 Corporation Automation Control of Electronic Devices

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4498098A (en) * 1982-06-02 1985-02-05 Digital Equipment Corporation Apparatus for combining a video signal with graphics and text from a computer
US4531154A (en) * 1982-10-29 1985-07-23 At&T Bell Laboratories Interface for a video display processor arranged to provide an overlay on a video display
US4580165A (en) * 1984-04-12 1986-04-01 General Electric Company Graphic video overlay system providing stable computer graphics overlayed with video image
JPS61147677A (ja) * 1984-12-21 1986-07-05 Mitsumi Electric Co Ltd ス−パ−インポ−ズ装置
US4631588A (en) * 1985-02-11 1986-12-23 Ncr Corporation Apparatus and its method for the simultaneous presentation of computer generated graphics and television video signals
US4639765A (en) * 1985-02-28 1987-01-27 Texas Instruments Incorporated Synchronization system for overlay of an internal video signal upon an external video signal
JP2829958B2 (ja) * 1988-01-27 1998-12-02 ソニー株式会社 タイトル画像挿入装置
US5065143A (en) * 1988-09-26 1991-11-12 Apple Computer, Inc. Apparatus for converting an RGB signal into a composite video signal and its use in providing computer generated video overlays
US5051817A (en) * 1988-11-18 1991-09-24 Rohm Co., Ltd. Superimposing system
KR910006465B1 (ko) * 1988-12-31 1991-08-26 삼성전자 주식회사 영상신호와 보색관계를 가지는 문자를 영상신호에 삽입하는 문자 합성장치
US4992874A (en) * 1989-07-03 1991-02-12 Rca Licensing Corporation Method and apparatus for correcting timing errors as for a multi-picture display
CA1318972C (en) * 1989-09-25 1993-06-08 Alain Tessier Video overlay circuit
US5185603A (en) * 1990-07-13 1993-02-09 Medin David L Apparatus for synchronizing computer and video images to be simultaneously displayed on a monitor and method for performing same
JPH04368078A (ja) * 1991-06-14 1992-12-21 Kyocera Corp 文字挿入装置
AT399629B (de) * 1992-02-25 1995-06-26 Koninkl Philips Electronics Nv System zum aufzeichnen und wiedergeben von bildsignalen, in die zeichensignale eintastbar sind
US5541666A (en) * 1994-07-06 1996-07-30 General Instrument Method and apparatus for overlaying digitally generated graphics over an analog video signal

Also Published As

Publication number Publication date
FI953335A0 (fi) 1995-07-06
HK1014110A1 (en) 1999-09-17
DE69515218D1 (de) 2000-04-06
US5541666A (en) 1996-07-30
US5801789A (en) 1998-09-01
DE69515218T2 (de) 2000-07-06
FI953335A7 (fi) 1996-01-07
EP0691791A2 (de) 1996-01-10
EP0691791B1 (de) 2000-03-01
ES2147263T3 (es) 2000-09-01
EP0691791A3 (de) 1996-04-24

Similar Documents

Publication Publication Date Title
ATE190181T1 (de) Verfahren und vorrichtung zur überlagerung von digital generierten graphischen zeichen über ein analoges videosignal
DE68920337D1 (de) Vorrichtung zur Überlagerung von graphischen Bildtitelsignalen auf einem Videosignal.
DE69527440D1 (de) Verfahren und vorrichtung zur abhaltung von telekonferenzen
DE3854753D1 (de) Einrichtung und Verfahren zur Farbbildverbesserung.
EP0414158A3 (en) Control signal generator for a television system
EP0812117A3 (de) Verfahren zur Erzeugung von unsichtbaren Fensterkanten in Bildzusammensetzungssystemen
EP0369471A3 (de) Überlagerungssystem
DE69219641D1 (de) Farbfernsehkameragerät und Verfahren zur Erzeugung von Farbfernsehsignalen
TR199600847A3 (de)
EP0472572B1 (de) Datenübertragung in der aktiven bilddauer
HUP9602710A3 (en) Method and apparatus for encoding pixel colour values of digital video images, as well as video signal, record carrier for it and apparatus displaying the video signal
ATE248486T1 (de) Verfahren und apparat zum filtern von bildfarbsignalen
EP0393928A3 (de) Digitales Videotrickeffektsystem
CA2105019A1 (en) Method and Apparatus for Elimination of Color from Multi-Color Image Documents
US4774575A (en) Video signal processing apparatus
ATE244974T1 (de) Verfahren und vorrichtung zur videosignalbearbeitung sowie speichermedium
KR850008086A (ko) 빔 전류 저감장치
EP0778702A3 (de) Verfahren zur Erzeugung von Information für ein Kopierschutzsignal und Anlage in der davon Gebrauch gemacht wird
EP0646467A3 (de) Laserdrucksystem
ATE128309T1 (de) Verfahren zur farbkantenverbesserung bei der darstellung von farbfernsehbildern und fernsehgerät zur durchführung des verfahrens.
DE3766668D1 (de) Verfahren zur erzeugung eines farbfernsehnormsignals und bildaufnahmekette dafuer.
SG120194G (en) Method and/or apparatus for the improvement of still images
ES2177613T3 (es) Sistemas generadores de señales oscilantes.
JPS5513514A (en) White balance display method of color television camera
EP0262555A3 (en) Transformation circuit