DE3850307D1 - Prüfgerät für den Schleifenwiderstand. - Google Patents

Prüfgerät für den Schleifenwiderstand.

Info

Publication number: DE3850307D1
Authority: DE; Germany
Prior art keywords: resistance tester; loop resistance; loop; tester; resistance
Prior art date: 1987-07-22
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

DE3850307T

Other languages

English (en)

Other versions

DE3850307T2 (de

Inventor

Richard W Oaks

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.)

Raytheon Co

Original Assignee

Hughes Aircraft Co

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.)

1987-07-22

Filing date

1988-07-08

Publication date

1994-07-28

1988-07-08 Application filed by Hughes Aircraft Co filed Critical Hughes Aircraft Co

1994-07-28 Publication of DE3850307D1 publication Critical patent/DE3850307D1/de

1994-10-06 Application granted granted Critical

1994-10-06 Publication of DE3850307T2 publication Critical patent/DE3850307T2/de

2008-07-09 Anticipated expiration legal-status Critical

Status Expired - Fee Related legal-status Critical Current

Links

Classifications

- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
- G01R27/02—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant

DE3850307T 1987-07-22 1988-07-08 Prüfgerät für den Schleifenwiderstand. Expired - Fee Related DE3850307T2 (de)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US07/076,528 US4808911A (en)	1987-07-22	1987-07-22	Loop resistance test apparatus

Publications (2)

Publication Number	Publication Date
DE3850307D1 true DE3850307D1 (de)	1994-07-28
DE3850307T2 DE3850307T2 (de)	1994-10-06

Family

ID=22132587

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
DE3850307T Expired - Fee Related DE3850307T2 (de)	1987-07-22	1988-07-08	Prüfgerät für den Schleifenwiderstand.

Country Status (5)

Country	Link
US (1)	US4808911A (de)
EP (1)	EP0300653B1 (de)
DE (1)	DE3850307T2 (de)
ES (1)	ES2055738T3 (de)
IL (1)	IL86948A (de)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE3812633A1 (de) *	1988-04-15	1989-10-26	Daimler Benz Ag	Verfahren zur kontaktlosen widerstandsmessung
US5134378A (en) *	1991-03-08	1992-07-28	Michael Twerdochlib	System and method for detecting faults in generator bearing pedestals and seal insulation
US5278512A (en) *	1992-05-15	1994-01-11	Richard Goldstein	Apparatus and method for continuously monitoring grounding conductor resistance in power distribution systems
ATE201787T1 (de) *	1992-11-25	2001-06-15	Simmonds Precision Products	Datenverarbeitungsstrukturen und methoden
US5602540A (en) *	1993-06-14	1997-02-11	Simmonds Precision Products Inc.	Fluid gauging apparatus with inductive interrogation
US5515041A (en) *	1993-06-14	1996-05-07	Simmonds Precision Products Inc.	Composite shaft monitoring system
US5581248A (en) *	1993-06-14	1996-12-03	Simmonds Precision Products, Inc.	Embeddable device for contactless interrogation of sensors for smart structures
US5433115A (en) *	1993-06-14	1995-07-18	Simmonds Precision Products, Inc.	Contactless interrogation of sensors for smart structures
FR2710753B1 (fr) *	1993-09-27	1995-10-27	Commissariat Energie Atomique	Capteur de courant comprenant un ruban magnétorésistif et son procédé de réalisation.
FR2774772B1 (fr) *	1998-02-11	2000-03-24	Fameca	Procede et dispositif de mesure de la resistance d'un circuit electrique
DE19941845C1 (de) *	1999-09-02	2001-01-25	Siemens Ag	Stecker für eine flexible, flache Leitungsanordnung
FR2866432B1 (fr) *	2004-02-18	2006-05-05	Chauvin Arnoux	Procede de mesure des resistances de terre d'installations electriques, par une mesure d'impedance de boucle.
US7977949B2 (en) *	2008-08-22	2011-07-12	The Boeing Company	Loop resistance tester control system
TWI467185B (zh) *	2011-01-17	2015-01-01	Hon Hai Prec Ind Co Ltd	電阻測定電路
FR3038270B1 (fr) *	2015-06-30	2017-08-25	Mersen France Amiens Sas	Surveillance de l'etat d'un premier element mobile par rapport a un deuxieme element et frottant contre ce deuxieme element.
FR3038269B1 (fr) *	2015-06-30	2017-08-25	Mersen France Amiens Sas	Surveillance de l'etat d'une bande de transmission de courant destinee a frotter contre un fil de catenaire.

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
BE718762A (fr) *	1968-07-30	1969-01-30	Acec	Dispositif de détection d'une impédance déterminée
US3867688A (en) *	1973-12-18	1975-02-18	Atomic Energy Commission	Electrodeless conductance measurement device
US4142143A (en) *	1977-11-18	1979-02-27	The United States Of America As Represented By The Secretary Of The Navy	Lightning ground system attachable admittance testing instrument
US4335348A (en) *	1980-04-10	1982-06-15	Bell Telephone Laboratories, Incorporated	Cable conductor continuity tester with magnetically coupled drive means and sensor
JPS57131071A (en) *	1981-02-05	1982-08-13	Nippon Telegr & Teleph Corp <Ntt>	Nondestructive impedance measuring device
US4559496A (en) *	1981-07-24	1985-12-17	General Electric Company	LCD Hook-on digital ammeter

1987
- 1987-07-22 US US07/076,528 patent/US4808911A/en not_active Expired - Fee Related
1988
- 1988-07-01 IL IL86948A patent/IL86948A/xx not_active IP Right Cessation
- 1988-07-08 EP EP88306257A patent/EP0300653B1/de not_active Expired - Lifetime
- 1988-07-08 ES ES88306257T patent/ES2055738T3/es not_active Expired - Lifetime
- 1988-07-08 DE DE3850307T patent/DE3850307T2/de not_active Expired - Fee Related

Also Published As

Publication number	Publication date
IL86948A (en)	1991-08-16
EP0300653A3 (en)	1990-10-31
US4808911A (en)	1989-02-28
EP0300653B1 (de)	1994-06-22
ES2055738T3 (es)	1994-09-01
DE3850307T2 (de)	1994-10-06
EP0300653A2 (de)	1989-01-25

Legal Events

Date	Code	Title	Description
1995-07-20	8364	No opposition during term of opposition
1998-07-09	8339	Ceased/non-payment of the annual fee

Publication	Publication Date	Title
DE3880162T2 (de)	1993-08-05	Testverfahren.
DE3870356D1 (de)	1992-05-27	Volumenunabhaengiger testbehelf.
DE3583716D1 (de)	1991-09-12	Diagnostische testmethoden.
NO880665L (no)	1988-08-18	Test-strimmel.
DE3887941T3 (de)	1998-07-09	Testvorrichtung mit mehrfachen Öffnungen.
DE3789013T2 (de)	1994-08-25	Zusammengesetzter analysator-tester.
FI880585A0 (fi)	1988-02-09	Multireflekterande nmr-angiografi.
DE3480953D1 (de)	1990-02-08	Testverfahren.
DE3872184D1 (de)	1992-07-23	Logikanalysator.
DE3885594D1 (de)	1993-12-16	Speicherprüfgerät.
DE3850307D1 (de)	1994-07-28	Prüfgerät für den Schleifenwiderstand.
DE3861432D1 (de)	1991-02-07	Analysengeraet.
DE68916247T2 (de)	1994-09-22	Widerstandsbobine für übungsvorrichtung.
DE3781143D1 (de)	1992-09-17	Pruefungsgeraet.
DE69017775T2 (de)	1995-11-09	Wasserstoffprüfgerät.
DE3860787D1 (de)	1990-11-15	Kryostat.
DE3785809T2 (de)	1993-10-28	Tasche für laufenden Gebrauch.
DE69018930D1 (de)	1995-06-01	Wandlerprüfung.
DE3762924D1 (de)	1990-06-28	Korrosionspruefgeraet.
DE3874010T2 (de)	1993-01-07	Diagnostische testvorrichtung.
NO882950L (no)	1988-08-30	Diagnostisk test for stafylokokk-foraarsaket mastitt.
DE3879889D1 (de)	1993-05-06	Testmeter.
NO900317D0 (no)	1990-01-23	Maalemetode.
IT8819970A0 (it)	1988-03-25	Stendibiancheria.
DE68918265T2 (de)	1995-01-26	Analysierungsverfahren für komponenten.