DE3851782T2 - Digitale Videoprobe. - Google Patents

Digitale Videoprobe.

Info

Publication number
DE3851782T2
DE3851782T2 DE3851782T DE3851782T DE3851782T2 DE 3851782 T2 DE3851782 T2 DE 3851782T2 DE 3851782 T DE3851782 T DE 3851782T DE 3851782 T DE3851782 T DE 3851782T DE 3851782 T2 DE3851782 T2 DE 3851782T2
Authority
DE
Germany
Prior art keywords
digital video
video sample
sample
digital
video
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
DE3851782T
Other languages
English (en)
Other versions
DE3851782D1 (de
Inventor
Frank M Ivie
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.)
Tektronix Inc
Original Assignee
Tektronix Inc
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 Tektronix Inc filed Critical Tektronix Inc
Application granted granted Critical
Publication of DE3851782D1 publication Critical patent/DE3851782D1/de
Publication of DE3851782T2 publication Critical patent/DE3851782T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F11/00—Error detection; Error correction; Monitoring
    • G06F11/22—Detection or location of defective computer hardware by testing during standby operation or during idle time, e.g. start-up testing
    • G06F11/25—Testing of logic operation, e.g. by logic analysers
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R13/00—Arrangements for displaying electric variables or waveforms
    • G01R13/20—Cathode-ray oscilloscopes
    • G01R13/22—Circuits therefor
    • G01R13/32—Circuits for displaying non-recurrent functions such as transients; Circuits for triggering; Circuits for synchronisation; Circuits for time-base expansion
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/28—Testing of electronic circuits, e.g. by signal tracer
    • G01R31/282—Testing of electronic circuits specially adapted for particular applications not provided for elsewhere
    • G01R31/2825—Testing of electronic circuits specially adapted for particular applications not provided for elsewhere in household appliances or professional audio/video equipment
    • 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
DE3851782T 1987-06-04 1988-06-01 Digitale Videoprobe. Expired - Fee Related DE3851782T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/058,094 US4814872A (en) 1987-06-04 1987-06-04 Digital video probe system

Publications (2)

Publication Number Publication Date
DE3851782D1 DE3851782D1 (de) 1994-11-17
DE3851782T2 true DE3851782T2 (de) 1995-04-27

Family

ID=22014644

Family Applications (1)

Application Number Title Priority Date Filing Date
DE3851782T Expired - Fee Related DE3851782T2 (de) 1987-06-04 1988-06-01 Digitale Videoprobe.

Country Status (5)

Country Link
US (1) US4814872A (de)
EP (1) EP0294162B1 (de)
JP (1) JPS644192A (de)
DE (1) DE3851782T2 (de)
DK (1) DK304388A (de)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4894718A (en) * 1989-03-29 1990-01-16 Acer Incorporated Method and system for testing video
GB2266636B (en) * 1992-04-10 1996-01-24 Barry Donald Ruberry Miles Video processing
US5451999A (en) * 1992-11-05 1995-09-19 Ampex Corporation Method and apparatus for detecting stability of a digital component video signal
JPH08331472A (ja) * 1995-05-24 1996-12-13 Internatl Business Mach Corp <Ibm> 共有フレーム・バッファを含むマルチメディア表示装置においてビデオ・データとグラフィック・データの同期をとる方法及び装置
US6323828B1 (en) 1998-10-29 2001-11-27 Hewlette-Packard Company Computer video output testing
US7221298B1 (en) * 2005-12-08 2007-05-22 Teradyne, Inc. Calibration circuitry
US7595675B2 (en) * 2006-05-01 2009-09-29 International Business Machines Corporation Duty cycle measurement method and apparatus that operates in a calibration mode and a test mode
US7363178B2 (en) * 2006-05-01 2008-04-22 International Business Machines Corporation Method and apparatus for measuring the relative duty cycle of a clock signal
US7333905B2 (en) * 2006-05-01 2008-02-19 International Business Machines Corporation Method and apparatus for measuring the duty cycle of a digital signal
US7646177B2 (en) * 2006-05-01 2010-01-12 International Business Machines Corporation Design structure for a duty cycle measurement apparatus that operates in a calibration mode and a test mode
US7420400B2 (en) * 2006-05-01 2008-09-02 International Business Machines Corporation Method and apparatus for on-chip duty cycle measurement
US7330061B2 (en) * 2006-05-01 2008-02-12 International Business Machines Corporation Method and apparatus for correcting the duty cycle of a digital signal
JP2008118297A (ja) * 2006-11-01 2008-05-22 Matsushita Electric Ind Co Ltd デジタルビデオデータ検査システム及び半導体装置
US8032850B2 (en) * 2007-11-12 2011-10-04 International Business Machines Corporation Structure for an absolute duty cycle measurement circuit
US7904264B2 (en) 2007-11-12 2011-03-08 International Business Machines Corporation Absolute duty cycle measurement
US7917318B2 (en) * 2007-11-20 2011-03-29 International Business Machines Corporation Structure for a duty cycle measurement circuit
US7895005B2 (en) * 2007-11-20 2011-02-22 International Business Machines Corporation Duty cycle measurement for various signals throughout an integrated circuit device
US11079407B2 (en) * 2017-07-10 2021-08-03 Tektronix, Inc. Probe attenuator for reduced input capacitance

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3751588A (en) * 1972-06-02 1973-08-07 Gte Sylvania Inc Vertical synchronizing circuitry
US4408226A (en) * 1980-01-11 1983-10-04 Independent Broadcasting Authority Test apparatus for monitoring digital transmissions
FR2523791B1 (fr) * 1982-03-19 1985-01-04 Thomson Csf Dispositif et appareil de test d'equipements electroniques notamment de television
DE3235069A1 (de) * 1982-09-22 1984-03-22 Siemens AG, 1000 Berlin und 8000 München Logikanalysator
JPS6138022A (ja) * 1984-07-31 1986-02-24 Giken Seisakusho:Kk 杭の打設、撤去方法及びそのための杭構造
US4677620A (en) * 1985-02-28 1987-06-30 Tektronix, Inc. Graphical input of timing relationships
JPS6238023A (ja) * 1985-08-12 1987-02-19 Fuosutekusu Kk パルス信号の復調回路
JPS6248179A (ja) * 1985-08-27 1987-03-02 Sony Corp 映像信号処理装置
US4752825A (en) * 1986-10-10 1988-06-21 Grumman Aerospace Corporation Video display simulator and analyzer

Also Published As

Publication number Publication date
JPS644192A (en) 1989-01-09
DK304388D0 (da) 1988-06-03
DK304388A (da) 1988-12-05
EP0294162A2 (de) 1988-12-07
US4814872A (en) 1989-03-21
DE3851782D1 (de) 1994-11-17
EP0294162A3 (de) 1991-07-10
EP0294162B1 (de) 1994-10-12

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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