ES2039780T3 - Instalacion de contravision. - Google Patents

Instalacion de contravision.

Info

Publication number
ES2039780T3
ES2039780T3 ES198989115653T ES89115653T ES2039780T3 ES 2039780 T3 ES2039780 T3 ES 2039780T3 ES 198989115653 T ES198989115653 T ES 198989115653T ES 89115653 T ES89115653 T ES 89115653T ES 2039780 T3 ES2039780 T3 ES 2039780T3
Authority
ES
Spain
Prior art keywords
memory
image memory
transmitted
contravision
installation
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
ES198989115653T
Other languages
English (en)
Inventor
Andreas Behrens
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.)
Robert Bosch GmbH
Original Assignee
Robert Bosch 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 Robert Bosch GmbH filed Critical Robert Bosch GmbH
Application granted granted Critical
Publication of ES2039780T3 publication Critical patent/ES2039780T3/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
    • H04N7/14—Systems for two-way working
    • H04N7/141—Systems for two-way working between two video terminals, e.g. videophone
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/42—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation
    • H04N19/423—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation characterised by memory arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
    • H04N19/61—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding in combination with predictive coding

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Closed-Circuit Television Systems (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)

Abstract

EN UN DISPOSITIVO DE VISUALIZACION, EN EL QUE LAS SEÑALES DE VIDEO CREADAS POR UNA CAMARA (1) SON MEMORIZADAS DE FORMA INTERMEDIA EN UNA PRIMERA MEMORIA DE IMAGEN (3) Y QUE PUEDEN SER TRANSMITIDAS CON UNA TASA DE DATOS REDUCIDA A TRAVES DE UN BUCLE PDCM, QUE COMPORTA UNA SEGUNDA MEMORIA DE IMAGEN (9), LAS SEÑALES QUE LLEGAN A LA SEGUNDA MEMORIA (9) PUEDEN SER TRANSMITIDAS DESPUES A UNA TERCERA (11), CUYA SALIDA ESTA CONECTADA A UN DISPOSITIVO DE REPRODUCCION DE IMAGEN (14). SE CREAN DIRECCIONES QUE REPRESENTAN EN CADA CASO LA POSICION DE LAS IMAGENES Y QUE PUEDEN SER LLEVADAS TANTO A LA PRIMERA MEMORIA DE IMAGEN (3), EN FORMA DE DIRECCION DE ENTRADA, COMO TAMBIEN A LA TERCERA MEMORIA (11) EN FORMA DE DIRECCION DE SALIDA.
ES198989115653T 1988-09-17 1989-08-25 Instalacion de contravision. Expired - Lifetime ES2039780T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE3831643A DE3831643A1 (de) 1988-09-17 1988-09-17 Gegenseheinrichtung

Publications (1)

Publication Number Publication Date
ES2039780T3 true ES2039780T3 (es) 1993-10-01

Family

ID=6363147

Family Applications (1)

Application Number Title Priority Date Filing Date
ES198989115653T Expired - Lifetime ES2039780T3 (es) 1988-09-17 1989-08-25 Instalacion de contravision.

Country Status (3)

Country Link
EP (1) EP0360026B1 (es)
DE (2) DE3831643A1 (es)
ES (1) ES2039780T3 (es)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2683966B1 (fr) * 1991-11-20 1998-06-05 Jacques Guichard Procede de synchronisation du circuit de balayage d'un appareil de visualisation d'images.
FR2687884B1 (fr) * 1992-02-24 1994-04-08 Alcatel Cit Codec videc, notamment visiophonique.
JP2503853B2 (ja) * 1992-12-16 1996-06-05 日本電気株式会社 動画像復号システム
DE19539803A1 (de) * 1995-10-26 1997-04-30 Thomson Brandt Gmbh Fernsehtelefonanlage

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2551664C3 (de) * 1975-11-18 1982-01-28 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Kompatibles Bildfernsprechsystem

Also Published As

Publication number Publication date
EP0360026B1 (de) 1993-03-10
EP0360026A1 (de) 1990-03-28
DE3831643A1 (de) 1990-03-22
DE58903712D1 (de) 1993-04-15

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