IT1162617B - Perfezionamento nei rivelatori di tensione e negli strumenti verivicatori della continuita' elettrica - Google Patents

Perfezionamento nei rivelatori di tensione e negli strumenti verivicatori della continuita' elettrica

Info

Publication number
IT1162617B
IT1162617B IT48437/79A IT4843779A IT1162617B IT 1162617 B IT1162617 B IT 1162617B IT 48437/79 A IT48437/79 A IT 48437/79A IT 4843779 A IT4843779 A IT 4843779A IT 1162617 B IT1162617 B IT 1162617B
Authority
IT
Italy
Prior art keywords
improvement
voltage detectors
electric continuity
continuity checking
checking instruments
Prior art date
Application number
IT48437/79A
Other languages
English (en)
Other versions
IT7948437A0 (it
Original Assignee
Ellis Tony
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 Ellis Tony filed Critical Ellis Tony
Publication of IT7948437A0 publication Critical patent/IT7948437A0/it
Application granted granted Critical
Publication of IT1162617B publication Critical patent/IT1162617B/it

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
    • G01R19/145—Indicating the presence of current or voltage
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Current Or Voltage (AREA)
  • Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
IT48437/79A 1978-03-22 1979-03-21 Perfezionamento nei rivelatori di tensione e negli strumenti verivicatori della continuita' elettrica IT1162617B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB11444/78A GB1573080A (en) 1978-03-22 1978-03-22 Voltage detectors and electrical continuity testers

Publications (2)

Publication Number Publication Date
IT7948437A0 IT7948437A0 (it) 1979-03-21
IT1162617B true IT1162617B (it) 1987-04-01

Family

ID=9986380

Family Applications (1)

Application Number Title Priority Date Filing Date
IT48437/79A IT1162617B (it) 1978-03-22 1979-03-21 Perfezionamento nei rivelatori di tensione e negli strumenti verivicatori della continuita' elettrica

Country Status (6)

Country Link
US (1) US4366434A (it)
CA (1) CA1131314A (it)
DE (1) DE2911136A1 (it)
FR (1) FR2420770A1 (it)
GB (1) GB1573080A (it)
IT (1) IT1162617B (it)

Families Citing this family (38)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4395820A (en) * 1979-09-12 1983-08-02 Electrocap, Inc. Method and apparatus for assembling an electrode cap
GB2125972A (en) * 1982-08-25 1984-03-14 Alan James Checkland Park Domestic electrical tester
US4713653A (en) * 1982-09-29 1987-12-15 Julian A. Mcdermott Corp. High voltage protector
US4504781A (en) * 1982-09-30 1985-03-12 Hargrove Douglas L Voltage wand
US4584526A (en) * 1983-01-28 1986-04-22 Lobastov George S Combination continuity and live circuit path tester
US4550287A (en) * 1983-08-11 1985-10-29 The Boeing Company Data bus test instrument having a tri-colored LED and indicating continuity, voltage and polarity
US4605895A (en) * 1984-03-09 1986-08-12 Park Alan J C Domestic electrical tester
US4580188A (en) * 1984-09-28 1986-04-01 At&T Technologies, Inc. Methods of and apparatus for protecting circuit elements from electrostatic discharges
USD291787S (en) 1985-05-17 1987-09-08 Sheldon Robert L Joystick continuity tester
US4740745A (en) * 1986-07-14 1988-04-26 Sainz Michael A Polarity and continuity tester for primary and secondary automotive circuits
US4764727A (en) * 1986-10-14 1988-08-16 Mcconchie Sr Noel P Circuit continuity and voltage tester
US4884033A (en) * 1986-10-14 1989-11-28 Mcconchie Sr Noel P Diagnostic test apparatus for electrical system of automotive vehicle
US4825150A (en) * 1987-12-24 1989-04-25 Fl Industries, Inc. Voltage and continuity tester
WO1989006365A1 (en) * 1988-01-04 1989-07-13 Richard Woodcraft Voltage indication apparatus
GB2224579B (en) * 1988-06-24 1992-09-16 Jeff Thomas Arrangement for testing fuses
USD323998S (en) 1989-01-05 1992-02-18 Edge James L Circuit breaker locator
DE3912923A1 (de) * 1989-04-20 1990-11-08 Daimler Benz Ag Pruefvorrichtung zur ermittlung von spannungsfuehrung und polaritaet eines leiters in bezug auf eine netzspannung
US4999574A (en) * 1989-11-01 1991-03-12 Stephens Edward L Switchable automotive circuit test light
US5081412A (en) * 1990-05-18 1992-01-14 Thabit Abdullah A Current conduction probe circuit
DE4317598A1 (de) * 1992-06-11 1994-01-13 Jeff Whisenand Prüfgerät zur Prüfung des elektrischen Durchgangs, des elektrischen Widerstands und auf das Vorhandensein einer elektrischen Spannung
US5477133A (en) * 1993-07-29 1995-12-19 Etcon Corporation Device for measuring a wide range of voltages and for determining continuity using visual and tactile indicators
US5572143A (en) * 1993-10-19 1996-11-05 Mac Tools, Inc. Circuit testing device
US5789911A (en) * 1997-02-06 1998-08-04 Brasscorp. Ltd. Polarity testing probe and LED cartridge assembly
US6075448A (en) * 1998-05-21 2000-06-13 Verkhovskiy; Yan Apparatus and method for testing an electrical circuit
US6201385B1 (en) * 1999-05-11 2001-03-13 David R. Johnson Voltage and continuity tester
US6608486B1 (en) 2000-06-07 2003-08-19 Richard M. Betts Automotive test device for detecting a short circuit in automotive wiring
US6693438B2 (en) * 2002-02-12 2004-02-17 Eaton Corporation Self-powered apparatus and method for optically detecting arcing faults in electric power systems in the presence of other light sources
US6975104B2 (en) * 2004-02-20 2005-12-13 Ideal Industries, Inc. Clamp meter with dual display
USD514005S1 (en) 2004-02-20 2006-01-31 Ideal Industries, Inc. Clamp meter
US20080042638A1 (en) * 2006-07-21 2008-02-21 Shih-Ming Hwang Connector with AC/DC Test LEDs
US7385382B2 (en) * 2006-11-14 2008-06-10 Randell Lee Wilferd Quick reference test light probe with digital voltage meter
GB2465590B (en) * 2008-11-21 2013-03-06 Paul Ledgard Tool box buzzbox
US8344737B2 (en) * 2009-01-15 2013-01-01 Robert Watson Relay circuit tester device
US20110043191A1 (en) * 2009-03-10 2011-02-24 Fidel Gutierrez Phoenix probe X voltage tester
US20130155663A1 (en) * 2011-12-20 2013-06-20 David L. Ballard Outdoor Light Fixture Apparatuses and Methods For Locating and Identifying Markers of Interest
US9970965B2 (en) 2015-10-23 2018-05-15 Lisle Corporation Direct current digital voltage display and polarity circuit tester
US11519945B2 (en) * 2019-12-20 2022-12-06 The United States of America as represented by the Federal Bureau of Investigation, Department of Justice Circuit test device and method
CN111308392B (zh) * 2020-03-06 2021-03-16 西南交通大学 一种单相级联npc整流器igbt开路故障的诊断方法

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1744840A (en) * 1924-11-25 1930-01-28 American Telephone & Telegraph Voltage-indicating and translating device
GB587036A (en) * 1945-06-11 1947-04-11 Alan Chadwick Improvements relating to testing devices for electric circuits
AT180330B (de) * 1953-04-25 1954-11-25 Erich Ing Reindl Spannungsprüfer
US2851659A (en) * 1954-05-12 1958-09-09 Western Electric Co Electrical probes
US3145337A (en) * 1959-04-20 1964-08-18 Lipson Milton Combined flashlight, extension light, continuity and voltage tester
US3259754A (en) * 1962-10-23 1966-07-05 Leslie C Matheson Polarity indicator
US3628059A (en) * 1970-06-01 1971-12-14 Fairchild Camera Instr Co High voltage functional comparator
GB1467229A (en) * 1974-09-12 1977-03-16 Coal Ind Apparatus and method for testing the polarity of a p-n junction in a solid state component
US4011508A (en) * 1975-03-24 1977-03-08 A & P Products Incorporated Logic signal test device for indicating low, intermediate and high level signals
CH601801A5 (en) * 1975-10-01 1978-07-14 Janez Logar Circuit tester with visual display
US4028621A (en) * 1975-12-18 1977-06-07 Bloxam James M Portable automotive test probe
US4210862A (en) * 1977-04-21 1980-07-01 Siemens Aktiengesellschaft Test device for indicating an electric voltage and/or the polarity thereof, and the passage of current through an electric conductor
US4207517A (en) * 1977-06-20 1980-06-10 Bloxam James M Switchless D.C. multifunction tester

Also Published As

Publication number Publication date
CA1131314A (en) 1982-09-07
DE2911136A1 (de) 1979-09-27
US4366434A (en) 1982-12-28
IT7948437A0 (it) 1979-03-21
GB1573080A (en) 1980-08-13
FR2420770A1 (fr) 1979-10-19

Similar Documents

Publication Publication Date Title
IT1162617B (it) Perfezionamento nei rivelatori di tensione e negli strumenti verivicatori della continuita' elettrica
GB2068137B (en) Voltage and electric field measuring device
DE3269757D1 (en) Voltage and electric field measuring device using light
DK298285D0 (da) Elektrisk hoejspaendingsapparat
IT1120236B (it) Perfezionamento nei connettori elettrici schermati per applicazione ad alta tensione
NO834394L (no) Hydrogenutviklingselektrode og fremgangsmaate ved fremstilling av denne
ES547914A0 (es) Perfeccionamientos en los aparatos de inspeccionar cierres de cremallera
IT1094448B (it) Dispositivo di prova per indicare una tensione elettrica e/o la sua polarita',nonche' il passaggio di corrente in un conduttore elettrico
UA25892A1 (uk) Високовольтhий вимірювальhий траhсформатор hапруги
IT1127732B (it) Strumento di misura e rilevazione elettroottico
JPS5283264A (en) Voltage and electric continuous testing device
AT367210B (de) Messeinrichtung in hochspannungsanlagen
BE850552A (fr) 2-furanones et leur preparation
BE850936A (fr) Hydroxyquinoleines et leur preparation
IT1096507B (it) Isolatore composito per alta tensione
IT1115074B (it) Parete divisoria in particolar modo parete per vani di caricatori di sigarette e procedimento e dispositivo per la realizzazione della stessa
IT1237318B (it) Carbanione della papaverina e sua preparazione
ES273413Y (es) Voltimetro con conmutador y secuencimetro
GB2015742B (en) Ion concentration measuring and reference electrodes
MX157240A (es) Mejoras en comprobador de voltaje de bateria de circuito abierto
IT1059353B (it) Isolatore passante per alta tensione e dispositivo per la sua realizzazione
JPS52155370A (en) High voltage electric instrument
IT1119099B (it) Segnalatore ottico della presenza di tensione in un tratto di una linea trifase a bassa tensione
HUT45327A (en) Voltage and phase-sequence tester
JPS5462856A (en) Electric micrometer type inside and outside measuring unit