DE3835001C2 - - Google Patents

Info

Publication number
DE3835001C2
DE3835001C2 DE3835001A DE3835001A DE3835001C2 DE 3835001 C2 DE3835001 C2 DE 3835001C2 DE 3835001 A DE3835001 A DE 3835001A DE 3835001 A DE3835001 A DE 3835001A DE 3835001 C2 DE3835001 C2 DE 3835001C2
Authority
DE
Germany
Prior art keywords
test
audio frequency
poles
switch
resistor
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
DE3835001A
Other languages
German (de)
English (en)
Other versions
DE3835001A1 (de
Inventor
Heinz Ing.(Grad.) 6102 Pfungstadt De Laass
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.)
Taco-Tafel 7300 Esslingen De GmbH
Original Assignee
Taco-Tafel 7300 Esslingen De 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 Taco-Tafel 7300 Esslingen De GmbH filed Critical Taco-Tafel 7300 Esslingen De GmbH
Priority to DE3835001A priority Critical patent/DE3835001A1/de
Priority to US07/305,300 priority patent/US4947110A/en
Publication of DE3835001A1 publication Critical patent/DE3835001A1/de
Application granted granted Critical
Publication of DE3835001C2 publication Critical patent/DE3835001C2/de
Granted legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/50Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
    • G01R31/54Testing for continuity
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/50Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/50Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
    • G01R31/52Testing for short-circuits, leakage current or ground faults

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
DE3835001A 1988-02-24 1988-10-14 Pruefgeraet Granted DE3835001A1 (de)

Priority Applications (2)

Application Number Priority Date Filing Date Title
DE3835001A DE3835001A1 (de) 1988-02-24 1988-10-14 Pruefgeraet
US07/305,300 US4947110A (en) 1988-02-24 1989-02-01 Test apparatus to check conditions and characteristics of power and communication networks

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3805755 1988-02-24
DE3835001A DE3835001A1 (de) 1988-02-24 1988-10-14 Pruefgeraet

Publications (2)

Publication Number Publication Date
DE3835001A1 DE3835001A1 (de) 1989-09-07
DE3835001C2 true DE3835001C2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1991-02-07

Family

ID=25865152

Family Applications (1)

Application Number Title Priority Date Filing Date
DE3835001A Granted DE3835001A1 (de) 1988-02-24 1988-10-14 Pruefgeraet

Country Status (2)

Country Link
US (1) US4947110A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (1) DE3835001A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5319306A (en) * 1988-08-12 1994-06-07 Mark Schuyler Portable electrical line tester using audible tones to indicate voltage
US5359290A (en) * 1993-01-11 1994-10-25 Actron Manufacturing Company Method and apparatus using a pair of test circuits having LED indicators for testing engine sensors and ignition modules in vehicles
US5394093A (en) * 1993-04-30 1995-02-28 Actron Manufacturing Company Method and apparatus for testing vehicle engine sensors
US8388604B2 (en) * 2003-02-21 2013-03-05 Dtherapeutics, Llc Devices, systems, and methods for removing contrast from luminal organs
US20100152607A1 (en) * 2003-02-21 2010-06-17 Kassab Ghassan S Devices, systems, and methods for measuring parallel tissue conductance, luminal cross-sectional areas, fluid velocity, and/or determining plaque vulnerability using temperature
US8406867B2 (en) * 2003-02-21 2013-03-26 Dtherapeutics, Llc Balloon sizing of valve annulus for percutaneous valves
DE102008040027A1 (de) * 2008-06-30 2009-12-31 Robert Bosch Gmbh Elektronische Schaltung insbesondere zur Audio-Eingangs-AC-Diagnose
US8706209B2 (en) 2010-02-05 2014-04-22 3Dt Holdings, Llc Devices, systems, and methods for measuring parallel tissue conductance, luminal cross-sectional areas, fluid velocity, and/or determining plaque vulnerability using temperature
CN103119821B (zh) 2010-09-30 2016-01-13 Abb研究有限公司 多端hvdc系统的协调控制
CN104717595B (zh) * 2015-03-16 2018-01-26 高创(苏州)电子有限公司 一种扬声器模组功能的检测方法、检测装置
EP4236208A3 (en) * 2019-05-03 2023-11-08 Panduit Corp. Method of detecting a fault in a pulsed power distribution system
US11784482B2 (en) * 2020-10-20 2023-10-10 Apple Inc. Electrical connection monitoring using cable shielding

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3870950A (en) * 1973-01-13 1975-03-11 Taco Tafel Gmbh Co Kg Overvoltage protected, battery powered electric circuit tester
US3872384A (en) * 1973-03-06 1975-03-18 Taco Tafel Gmbh & Co Kg Electrical wiring, circuit, energization, and resistance test apparatus
DE2320808A1 (de) * 1973-04-25 1974-11-14 Heinrich C Kosmeier Durchgangspruefer
US4039937A (en) * 1975-06-04 1977-08-02 Taco-Tafel Gmbh & Co., Kg Acoustic test apparatus for electrical networks including multi-phase power systems
DE2703880C3 (de) * 1977-01-31 1980-01-31 Heinz 6102 Pfungstadt Laass Elektrisches Prüfgerät mit akustischer, quantitativer Analoganzeige für Widerstand und Spannung
DE2808869A1 (de) * 1978-03-02 1979-09-13 Heinz Laass Elektrisches pruefgeraet mit akustischer analoganzeige fuer widerstand und durchgang
DE2831865A1 (de) * 1978-07-20 1980-02-07 Heinz Laass Kabelpruefgeraet
DE2853713A1 (de) * 1978-12-13 1980-07-03 Heinz Laass Elektrisches pruefgeraet
DE2918959C2 (de) * 1979-05-11 1983-05-11 Robert Bosch Gmbh, 7000 Stuttgart Elektrischer Durchgangsprüfer
US4323738A (en) * 1980-04-10 1982-04-06 Oros Corporation Portable telephone line test set
DE3115498A1 (de) * 1981-04-16 1983-02-17 Heinz 6102 Pfungstadt Laaß Elektrisches pruefgeraet
US4496801A (en) * 1982-10-12 1985-01-29 Western Progress, Inc. Splicing module test set
US4691336A (en) * 1986-10-10 1987-09-01 Harris Corporation Telephone test set having an auxiliary amplifier and speaker for permitting listening to line signals

Also Published As

Publication number Publication date
US4947110A (en) 1990-08-07
DE3835001A1 (de) 1989-09-07

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Legal Events

Date Code Title Description
OP8 Request for examination as to paragraph 44 patent law
D2 Grant after examination
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee