HK1014110A1 - Method and apparatus for overlaying digitally generated graphics over an analog video signal - Google Patents

Method and apparatus for overlaying digitally generated graphics over an analog video signal

Info

Publication number
HK1014110A1
HK1014110A1 HK98115115A HK98115115A HK1014110A1 HK 1014110 A1 HK1014110 A1 HK 1014110A1 HK 98115115 A HK98115115 A HK 98115115A HK 98115115 A HK98115115 A HK 98115115A HK 1014110 A1 HK1014110 A1 HK 1014110A1
Authority
HK
Hong Kong
Prior art keywords
analog video
digital
source signal
color subcarrier
video source
Prior art date
Application number
HK98115115A
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
Publication of HK1014110A1 publication Critical patent/HK1014110A1/xx

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)
  • Studio Circuits (AREA)
  • Processing Of Color Television Signals (AREA)
  • Color Television Systems (AREA)
HK98115115A 1994-07-06 1998-12-23 Method and apparatus for overlaying digitally generated graphics over an analog video signal HK1014110A1 (en)

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
HK1014110A1 true HK1014110A1 (en) 1999-09-17

Family

ID=23033874

Family Applications (1)

Application Number Title Priority Date Filing Date
HK98115115A HK1014110A1 (en) 1994-07-06 1998-12-23 Method and apparatus for overlaying digitally generated graphics over an analog video signal

Country Status (7)

Country Link
US (2) US5541666A (es)
EP (1) EP0691791B1 (es)
AT (1) ATE190181T1 (es)
DE (1) DE69515218T2 (es)
ES (1) ES2147263T3 (es)
FI (1) FI953335A (es)
HK (1) HK1014110A1 (es)

Families Citing this family (33)

* 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
EP0767590A4 (en) * 1995-04-21 2000-11-29 Sony Corp METHOD AND CIRCUIT FOR PHASE SYNCHRONIZATION OF VIDEO SIGNALS AND COMBINATION DEVICE
EP0741379A1 (en) * 1995-05-04 1996-11-06 Winbond Electronics Corporation Scaled video output overlaid onto a computer graphics output
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
WO2000017766A2 (en) 1998-09-22 2000-03-30 Cybex Computer Products Corporation System for accessing personal computers remotely
US6378014B1 (en) 1999-08-25 2002-04-23 Apex Inc. Terminal emulator for interfacing between a communications port and a KVM switch
CN1164093C (zh) * 1999-09-27 2004-08-25 通用仪表公司 图形子系统旁路方法和设备
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
DE60122993T2 (de) * 2000-10-19 2007-10-18 Sanyo Electric Co., Ltd., Moriguchi 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
CA2542329A1 (en) * 2003-10-16 2005-04-28 Chiron Corporation 2,6-disubstituted quinazolines, quinoxalines, quinolines and isoquinolines as inhibitors of raf kinase for treatment of 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
US20080062311A1 (en) * 2006-09-13 2008-03-13 Jiliang Song Methods and Devices to Use Two Different Clocks in a Television Digital Encoder
US20080062312A1 (en) * 2006-09-13 2008-03-13 Jiliang Song Methods and Devices of Using a 26 MHz Clock to Encode Videos
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
DE69515218D1 (de) 2000-04-06
DE69515218T2 (de) 2000-07-06
FI953335A (fi) 1996-01-07
FI953335A0 (fi) 1995-07-06
US5801789A (en) 1998-09-01
EP0691791B1 (en) 2000-03-01
EP0691791A2 (en) 1996-01-10
ES2147263T3 (es) 2000-09-01
ATE190181T1 (de) 2000-03-15
EP0691791A3 (en) 1996-04-24
US5541666A (en) 1996-07-30

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Legal Events

Date Code Title Description
PF Patent in force
PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)

Effective date: 20050518