DE3850454D1 - Gerät und vorrichtung zur prüfung von kontaktunterbrechungen von schaltungszwischenverbindungen. - Google Patents

Gerät und vorrichtung zur prüfung von kontaktunterbrechungen von schaltungszwischenverbindungen.

Info

Publication number
DE3850454D1
DE3850454D1 DE3850454T DE3850454T DE3850454D1 DE 3850454 D1 DE3850454 D1 DE 3850454D1 DE 3850454 T DE3850454 T DE 3850454T DE 3850454 T DE3850454 T DE 3850454T DE 3850454 D1 DE3850454 D1 DE 3850454D1
Authority
DE
Germany
Prior art keywords
testing contact
interconnect connections
contact interruptions
interruptions
interconnect
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
DE3850454T
Other languages
English (en)
Inventor
Daniel Wissell
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.)
Digital Equipment Corp
Original Assignee
Digital Equipment 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 Digital Equipment Corp filed Critical Digital Equipment Corp
Application granted granted Critical
Publication of DE3850454D1 publication Critical patent/DE3850454D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R29/00—Arrangements for measuring or indicating electric quantities not covered by groups G01R19/00 - G01R27/00
    • G01R29/02—Measuring characteristics of individual pulses, e.g. deviation from pulse flatness, rise time or duration
    • G01R29/027—Indicating that a pulse characteristic is either above or below a predetermined value or within or beyond a predetermined range of values
    • G01R29/0273—Indicating that a pulse characteristic is either above or below a predetermined value or within or beyond a predetermined range of values the pulse characteristic being duration, i.e. width (indicating that frequency of pulses is above or below a certain limit)
    • 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
    • G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
    • G01R31/52—Testing for short-circuits, leakage current or ground faults
    • 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
    • G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
    • G01R31/54—Testing for continuity
    • 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
    • G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
    • G01R31/66—Testing of connections, e.g. of plugs or non-disconnectable joints
    • G01R31/70—Testing of connections between components and printed circuit boards

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
  • Tests Of Electronic Circuits (AREA)
DE3850454T 1987-02-11 1988-02-10 Gerät und vorrichtung zur prüfung von kontaktunterbrechungen von schaltungszwischenverbindungen. Expired - Lifetime DE3850454D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/013,323 US4751721A (en) 1987-02-11 1987-02-11 Apparatus and method for testing contact interruptions of circuit interconnection devices
PCT/US1988/000422 WO1988006284A1 (en) 1987-02-11 1988-02-10 Apparatus and method for testing contact interruptions of circuit interconnection devices

Publications (1)

Publication Number Publication Date
DE3850454D1 true DE3850454D1 (de) 1994-08-04

Family

ID=21759377

Family Applications (1)

Application Number Title Priority Date Filing Date
DE3850454T Expired - Lifetime DE3850454D1 (de) 1987-02-11 1988-02-10 Gerät und vorrichtung zur prüfung von kontaktunterbrechungen von schaltungszwischenverbindungen.

Country Status (6)

Country Link
US (1) US4751721A (de)
EP (1) EP0301084B1 (de)
JP (1) JPH01502531A (de)
CA (1) CA1273999A (de)
DE (1) DE3850454D1 (de)
WO (1) WO1988006284A1 (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4956781A (en) * 1989-02-15 1990-09-11 Delco Electronics Corporation Counter driven RAM engine control
US5227984A (en) * 1991-03-08 1993-07-13 John Fluke Mfg. Co., Inc. Instrument with continuity capture feature
US5646948A (en) * 1993-09-03 1997-07-08 Advantest Corporation Apparatus for concurrently testing a plurality of semiconductor memories in parallel
US5608769A (en) * 1995-09-21 1997-03-04 White Consolidated Industries, Inc. Pause testing circuit for dishwasher controller
JP2888291B2 (ja) * 1996-12-05 1999-05-10 日本電気株式会社 信号断検出回路
FR2873448B1 (fr) * 2004-07-23 2006-11-10 Valeo Electronique Sys Liaison Dispositif et procede de test d'au moins un joint conducteur formant une liaison electrique d'un composant electrique avec un circuit imprime
US7120220B2 (en) * 2004-12-23 2006-10-10 Ramtron International Corporation Non-volatile counter
US8345816B1 (en) 2011-12-06 2013-01-01 International Business Machines Corporation RAM-based event counters using transposition
CN111257689B (zh) * 2020-02-11 2020-11-27 西南交通大学 一种at供电接触网电气性能评估方法

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3575659A (en) * 1969-04-23 1971-04-20 Eg & G Inc Apparatus for measuring characteristics of a signal pulse
US3993949A (en) * 1975-03-27 1976-11-23 Magno Douglas J Method and apparatus for detecting non-parallel reed switch contacts
DE2909268C2 (de) * 1979-03-09 1980-09-11 Wandel & Goltermann Gmbh & Co, 7412 Eningen Verfahren und Einrichtung zur Oberwachung der Funktion der in einem MeIistellenumschalter befindlichen Schalter
US4288687A (en) * 1979-08-16 1981-09-08 Wallace Murray Corporation Multipoint digital tachograph
US4301360A (en) * 1979-10-25 1981-11-17 Tektronix, Inc. Time interval meter
JPS56153430A (en) * 1980-04-30 1981-11-27 Matsushita Electric Works Ltd Bounce waveform memory circuit
JPS57119261A (en) * 1981-01-16 1982-07-24 Canon Inc Measuring device for dynamic characteristic of switch
DE3213800A1 (de) * 1982-04-15 1983-10-27 Alfred Teves Gmbh, 6000 Frankfurt Verfahren zur ausgabe von jeweils der impulsfrequenz und der periode zweier aufeinanderfolgender impulse einer impulsfolge entsprechender werte und vorrichtung zur durchfuehrung des verfahrens
US4670891A (en) * 1985-03-06 1987-06-02 Westinghouse Electric Corp. Storage of data in compressed form
JPS61292570A (ja) * 1985-06-20 1986-12-23 Ando Electric Co Ltd 複数のサンプリング系をもつロジックアナライザ

Also Published As

Publication number Publication date
WO1988006284A1 (en) 1988-08-25
JPH0577989B2 (de) 1993-10-27
EP0301084A4 (de) 1989-06-13
JPH01502531A (ja) 1989-08-31
US4751721A (en) 1988-06-14
EP0301084A1 (de) 1989-02-01
EP0301084B1 (de) 1994-06-29
CA1273999A (en) 1990-09-11

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Legal Events

Date Code Title Description
8332 No legal effect for de