DE69224108T2 - Vorrichtung zur Übertragung von Bildern - Google Patents

Vorrichtung zur Übertragung von Bildern

Info

Publication number
DE69224108T2
DE69224108T2 DE69224108T DE69224108T DE69224108T2 DE 69224108 T2 DE69224108 T2 DE 69224108T2 DE 69224108 T DE69224108 T DE 69224108T DE 69224108 T DE69224108 T DE 69224108T DE 69224108 T2 DE69224108 T2 DE 69224108T2
Authority
DE
Germany
Prior art keywords
transmitting images
images
transmitting
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 - Fee Related
Application number
DE69224108T
Other languages
English (en)
Other versions
DE69224108D1 (de
Inventor
Yasushi C O Mitsubishi Ashida
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.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric 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
Priority claimed from JP3235696A external-priority patent/JPH0564237A/ja
Application filed by Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Publication of DE69224108D1 publication Critical patent/DE69224108D1/de
Application granted granted Critical
Publication of DE69224108T2 publication Critical patent/DE69224108T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N17/00—Diagnosis, testing or measuring for television systems or their details
    • H04N17/004—Diagnosis, testing or measuring for television systems or their details for digital television systems
    • 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)
  • Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • General Health & Medical Sciences (AREA)
  • Closed-Circuit Television Systems (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
  • Details Of Television Systems (AREA)
  • Testing, Inspecting, Measuring Of Stereoscopic Televisions And Televisions (AREA)
  • Television Systems (AREA)
DE69224108T 1991-06-27 1992-06-11 Vorrichtung zur Übertragung von Bildern Expired - Fee Related DE69224108T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP18169991 1991-06-27
JP3235696A JPH0564237A (ja) 1991-06-27 1991-08-23 画像伝送装置
JP3260560A JPH05211673A (ja) 1991-06-27 1991-09-12 画像伝送装置

Publications (2)

Publication Number Publication Date
DE69224108D1 DE69224108D1 (de) 1998-02-26
DE69224108T2 true DE69224108T2 (de) 1998-09-03

Family

ID=27325052

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69224108T Expired - Fee Related DE69224108T2 (de) 1991-06-27 1992-06-11 Vorrichtung zur Übertragung von Bildern

Country Status (4)

Country Link
US (1) US5274446A (de)
EP (1) EP0520250B1 (de)
JP (1) JPH05211673A (de)
DE (1) DE69224108T2 (de)

Families Citing this family (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2694674B1 (fr) * 1992-08-07 1994-09-09 Thomson Csf Procédé de test d'un codeur/décodeur vidéo à compression de débit, et dispositif pour sa mise en Óoeuvre.
KR100228267B1 (ko) * 1992-12-30 1999-11-01 윤종용 영상부호화 시스템의 에러수정장치
DE4441433A1 (de) * 1994-11-22 1996-05-23 Deutsche Telekom Ag Verfahren zum Prüfen von Signalisierungs-Protokollen von Bildtelefonen
TW280898B (en) * 1994-12-28 1996-07-11 Sharp Kk The matrix type image display apparatus
US5926460A (en) * 1995-02-27 1999-07-20 Lucent Technologies Inc. Transmission monitoring system and method
US5778008A (en) * 1995-05-10 1998-07-07 Hitachi Denshi Kabushiki Kaisha Fault diagnosis method of television camera apparatus
GB9515824D0 (en) * 1995-08-02 1995-10-04 Nat Transcommunications Ltd Signature test of digital compression decoders
US6326996B1 (en) * 1995-11-06 2001-12-04 Gateway, Inc. Display device having self contained diagnostic image generation capability
US5809226A (en) * 1996-04-12 1998-09-15 Xerox Corporation Method and apparatus for testing a connection between digital processing modules, such as in digital printing
GB9607591D0 (en) * 1996-04-12 1996-06-12 Snell & Wilcox Ltd Playback and monitoring of compressed bitstreams
FR2766644B1 (fr) * 1997-07-22 1999-11-12 France Telecom Procede d'estimation de la perception locale des erreurs de quantification chromatiques dans une image fixe
US6400400B1 (en) * 1997-07-30 2002-06-04 Sarnoff Corporation Method and apparatus for automated testing of a video decoder
US6075561A (en) * 1998-02-20 2000-06-13 Tektronix, Inc. Low duty-cycle transport of video reference images
US6055015A (en) * 1998-07-25 2000-04-25 Tektronix, Inc. Picture quality monitoring system
US6414960B1 (en) 1998-12-29 2002-07-02 International Business Machines Corp. Apparatus and method of in-service audio/video synchronization testing
US6411623B1 (en) 1998-12-29 2002-06-25 International Business Machines Corp. System and method of automated testing of a compressed digital broadcast video network
JP3527137B2 (ja) * 1999-06-03 2004-05-17 Ｋｄｄｉ株式会社 冗長２重化伝送における画像障害検出装置
CA2550994C (en) 2003-12-22 2017-05-02 Linqware, Inc. System and method for initiating a conference call
US7388601B2 (en) * 2004-02-18 2008-06-17 Inter-cité Vidéo Inc. System and method for the automated, remote diagnostic of the operation of a digital video recording network
JP3835697B2 (ja) * 2004-08-25 2006-10-18 Ｋｄｄｉ株式会社 伝送画質監視装置
JP4814547B2 (ja) * 2005-05-19 2011-11-16 パナソニック株式会社 異常検出装置および映像システム
EP1729529A1 (de) * 2005-06-02 2006-12-06 BRITISH TELECOMMUNICATIONS public limited company Videosignal Verlustdetektion
CN101500175B (zh) * 2008-01-31 2011-01-26 联想(北京)有限公司 一种数字显示接口的测试方法及装置
CA2734781C (en) 2008-08-21 2017-07-11 Linqware, Inc. Content, traffic and advertising engine, system and method
US8294772B2 (en) * 2009-01-29 2012-10-23 Pelco, Inc. System and method for monitoring connections within an analog video system
CN101931774A (zh) * 2009-06-25 2010-12-29 鸿富锦精密工业（深圳）有限公司 数字视频录像系统及其检测方法
JP5202462B2 (ja) * 2009-07-23 2013-06-05 株式会社日立ハイテクノロジーズ パターン欠陥検査装置および方法
US8695068B1 (en) * 2013-04-25 2014-04-08 Uniloc Luxembourg, S.A. Device authentication using display device irregularity
CN115118961B (zh) * 2022-08-26 2022-10-28 北京数字光芯集成电路设计有限公司 视频数据测试系统、方法及其应用

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3562710A (en) * 1968-04-24 1971-02-09 Ball Brothers Res Corp Bit error detector for digital communication system
DE2049259B1 (de) * 1970-10-07 1972-03-23 Fernseh Gmbh System zur selbsttätigen Prüfung von Video-Studiogeräten
US3889109A (en) * 1973-10-01 1975-06-10 Honeywell Inf Systems Data communications subchannel having self-testing apparatus
US3916381A (en) * 1974-09-18 1975-10-28 Itt Loop arrangement to test a remote subscriber{3 s drop from a central office via a PCM subscriber carrier system
DE2746337C2 (de) * 1977-10-14 1979-04-05 Siemens Ag, 1000 Berlin Und 8000 Muenchen Verfahren und Schaltungsanordnung zur Prüfung einer Datenübertragungsanlage unter Verwendung einer Prüfschleife
FR2523791B1 (fr) * 1982-03-19 1985-01-04 Thomson Csf Dispositif et appareil de test d'equipements electroniques notamment de television
US4581639A (en) * 1983-10-17 1986-04-08 Tektronix, Inc. Method and apparatus for monitoring suitability of a transmission path for transmission of digital data signals
JPH01166365A (ja) * 1987-12-23 1989-06-30 Toshiba Corp 情報処理装置
JPH01243796A (ja) * 1988-03-25 1989-09-28 Mitsubishi Electric Corp 画像符号化伝送装置
JPH02200085A (ja) * 1989-01-30 1990-08-08 Nec Corp Ｃａｔｖシステム
JPH02291728A (ja) * 1989-05-01 1990-12-03 Hitachi Cable Ltd ヘッドエンド装置
DD294385A5 (de) * 1990-05-03 1991-09-26 Martin Boegelsack,De Verfahren und vorrichtung zum rechnergestuetzten fehlerbestimmen, pruefen oder messen bei videokomponentengeraeten

Also Published As

Publication number Publication date
JPH05211673A (ja) 1993-08-20
US5274446A (en) 1993-12-28
EP0520250A3 (en) 1993-09-01
EP0520250B1 (de) 1998-01-21
DE69224108D1 (de) 1998-02-26
EP0520250A2 (de) 1992-12-30

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee