ES2142903T3 - Metodo y aparato para visualizar dos imagenes de video simultaneamente. - Google Patents

Metodo y aparato para visualizar dos imagenes de video simultaneamente.

Info

Publication number
ES2142903T3
ES2142903T3 ES94119596T ES94119596T ES2142903T3 ES 2142903 T3 ES2142903 T3 ES 2142903T3 ES 94119596 T ES94119596 T ES 94119596T ES 94119596 T ES94119596 T ES 94119596T ES 2142903 T3 ES2142903 T3 ES 2142903T3
Authority
ES
Spain
Prior art keywords
signals
field memories
digital
video
video signals
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.)
Expired - Lifetime
Application number
ES94119596T
Other languages
English (en)
Inventor
Wolfgang Dipl-Ing Endress
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sony Wega Produktions GmbH
Original Assignee
Sony Wega Produktions GmbH
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 Sony Wega Produktions GmbH filed Critical Sony Wega Produktions GmbH
Application granted granted Critical
Publication of ES2142903T3 publication Critical patent/ES2142903T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/01—Conversion of standards, e.g. involving analogue television standards or digital television standards processed at pixel level
    • H04N7/0117—Conversion of standards, e.g. involving analogue television standards or digital television standards processed at pixel level involving conversion of the spatial resolution of the incoming video signal
    • H04N7/0122—Conversion of standards, e.g. involving analogue television standards or digital television standards processed at pixel level involving conversion of the spatial resolution of the incoming video signal the input and the output signals having different aspect ratios
    • 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
    • H04N5/45—Picture in picture, e.g. displaying simultaneously another television channel in a region of the screen

Abstract

SE DESCRIBEN UN METODO Y UN APARATO PARA LA VISUALIZACION SIMULTANEA DE DOS SEÑALES DE VIDEO INDEPENDIENTES. EL APARATO CONSTA DE UNOS TERMINALES DE ENTRADA DE SEÑALES DE VIDEO (2, 6) PARA RECIBIR UNA PRIMERA Y UNA SEGUNDA SEÑALES DE VIDEO EN SISTEMA PAL QUE TIENE UNA FRECUENCIA DE CAMPO DE 50 HZ, UNOS PROCESADORES Y/C (7, 8) CONECTADOS A LOS TERMINALES DE ENTRADA DE SEÑALES DE VIDEO (2, 6), UNOS CONVERTIDORES A/D (16, 24) CONECTADOS A LOS PROCESADORES DE Y/C, DOS MEMORIAS DE CAMPO DE ENTRADA (17, 22) QUE TIENEN UN MODO DE DIRECCIONAMIENTO EN BLOQUE ALEATORIO PARA ALMACENAR LAS SEÑALES Y/U/V DIGITALES DE LOS CONVERTIDORES A/D, UN CONVERTIDOR D/A) (19) CONECTADO A UNA SALIDA DE LAS MEMORIAS DE CAMPO (17, 22) Y QUE DERIVA UNAS SEÑALES Y/U/V ANALOGICAS QUE SON CONVERTIDAS EN SEÑALES R/G/B Y ENVIADAS A UNA PANTALLA (10), UN GENERADOR DE SEÑALES DE CONTROL DE ESCRITURA Y LECTURA (14; 20, 21) PARA GENERAR UNA PRIMERA Y UNA SEGUNDA SEÑALES DE CONTROL DE ESCRITURA PARA QUE LAS PRIMERAS Y SEGUNDAS SEÑALES Y/U/V DIGITALES SEAN ESCRITAS EN LA PRIMERA Y SEGUNDA MEMORIAS DE CAMPO (17, 22) A UNA PRIMERA FRECUENCIA PREDETERMINADA DE FORMA SINCRONA RESPECTO A LAS SEÑALES DE SINCRONIZACION DE LA PRIMERA Y LA SEGUNDA SEÑALES DE VIDEO, RESPECTIVAMENTE, Y PARA GENERAR UNA PRIMERA Y UNA SEGUNDA SEÑALES DE CONTROL DE LECTURA PARA QUE LA PRIMERA Y SEGUNDA SEÑALES Y/U/V SEAN LEIDAS ALTERNATIVAMENTE POR LINEAS EN LA PRIMERA Y SEGUNDA MEMORIAS DE CAMPO (17, 22) A UNA FRECUENCIA CUATRO VECES MAYOR QUE LA PRIMERA FRECUENCIA PREDETERMINADA Y DE FORMA SINCRONA RESPECTO A UNA SEÑAL DE SINCRONIZACION MAESTRA BIEN DE LA PRIMERA O BIEN DE LA SEGUNDA SEÑALES DE VIDEO Y QUE SE VISUALIZAN CADA UNA SEGUN UNA RELACION DIMENSIONAL 4:3 O 3:3 EN LA PANTALLA QUE TIENE UNA AMPLIA RELACION DIMENSIONAL DE 16:9 EN UN MODO SIN PARAPADEOS DE 100 HZ.
ES94119596T 1994-12-12 1994-12-12 Metodo y aparato para visualizar dos imagenes de video simultaneamente. Expired - Lifetime ES2142903T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP94119596A EP0717562B1 (en) 1994-12-12 1994-12-12 Method and apparatus for displaying two video pictures simultaneously

Publications (1)

Publication Number Publication Date
ES2142903T3 true ES2142903T3 (es) 2000-05-01

Family

ID=8216524

Family Applications (1)

Application Number Title Priority Date Filing Date
ES94119596T Expired - Lifetime ES2142903T3 (es) 1994-12-12 1994-12-12 Metodo y aparato para visualizar dos imagenes de video simultaneamente.

Country Status (7)

Country Link
US (1) US5726715A (es)
EP (1) EP0717562B1 (es)
KR (1) KR100394288B1 (es)
AT (1) ATE190792T1 (es)
DE (1) DE69423500T2 (es)
ES (1) ES2142903T3 (es)
MY (1) MY114906A (es)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR0176806B1 (ko) * 1995-12-29 1999-05-01 구자홍 텔레비젼의 2화면 구성장치
EP0838944A1 (en) 1996-10-23 1998-04-29 SONY-WEGA PRODUKTIONS GmbH TV receiver with teletext function
US5990975A (en) * 1996-11-22 1999-11-23 Acer Peripherals, Inc. Dual screen displaying device
JP2000032441A (ja) * 1998-07-10 2000-01-28 Fuji Photo Optical Co Ltd Ｎｔｓｃ及びｐａｌの両方式を備えた内視鏡用撮像装置
WO2000019714A1 (de) * 1998-09-30 2000-04-06 Infineon Technologies Ag Schaltungsanordnung zur bild-in-bild-darstellung
US6519283B1 (en) 1999-01-25 2003-02-11 International Business Machines Corporation Integrated video processing system having multiple video sources and implementing picture-in-picture with on-screen display graphics
US6741794B1 (en) 1999-01-29 2004-05-25 Sony Corporation System and method for flexibly blending multiple image planes in a video device
JP2002537571A (ja) * 1999-02-09 2002-11-05 ミクロナス ミュニッヒ ゲーエムベーハー 少なくとも第一と第二の画像シーケンスを１つの総合画像に同時に表示するための方法と装置。
EP1159827B1 (de) 1999-03-04 2003-01-22 Infineon Technologies AG Ansteuerung eines Speichers für die Bild-in-Bild-Einblendung
US7068329B1 (en) * 1999-08-31 2006-06-27 Ati International Srl Method and system for providing a video signal
EP1265439B1 (en) * 2001-06-06 2009-07-08 Thomson Licensing Video signal processing system with auxiliary information processing capability
GB2392037B (en) * 2002-08-14 2004-10-06 Tcv Ltd Multiple mode television processor
KR100971920B1 (ko) * 2003-06-02 2010-07-22 디즈니엔터프라이지즈,인크. 소비자용 비디오 플레이어를 위한 프로그램된 윈도우 제어시스템 및 방법

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61193580A (ja) * 1985-02-21 1986-08-28 Hitachi Ltd ２画面テレビジヨン受像機
JPH0638649B2 (ja) * 1985-03-13 1994-05-18 株式会社日立製作所 ２画面表示機能付高画質テレビジヨン受信機
JP2685432B2 (ja) * 1985-08-26 1997-12-03 株式会社日立製作所 ２画面表示機能付テレビジョン受信機
KR950010887B1 (en) * 1988-07-08 1995-09-25 Samsung Electronics Co Ltd Multi-screen producting image control circuit
JP2912636B2 (ja) * 1989-08-04 1999-06-28 松下電器産業株式会社 ２画面テレビ
GB9012326D0 (en) * 1990-06-01 1990-07-18 Thomson Consumer Electronics Wide screen television
DE4139403C2 (de) * 1991-11-29 1994-02-17 Sony Corp Abtastungsanzeigegerät
TW220024B (es) * 1992-01-08 1994-02-01 Thomson Consumer Electronics
JPH0630349A (ja) * 1992-07-07 1994-02-04 Fujitsu General Ltd ２画面表示テレビ受信機
JP2737557B2 (ja) * 1992-07-09 1998-04-08 日本ビクター株式会社 ２画面表示テレビジョン受信機及び２画面処理回路
JPH06292148A (ja) * 1993-03-30 1994-10-18 Sony Corp 倍速映像表示装置

Also Published As

Publication number Publication date
DE69423500T2 (de) 2000-09-14
EP0717562B1 (en) 2000-03-15
MY114906A (en) 2003-02-28
ATE190792T1 (de) 2000-04-15
EP0717562A1 (en) 1996-06-19
KR100394288B1 (ko) 2003-10-17
DE69423500D1 (de) 2000-04-20
US5726715A (en) 1998-03-10

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