DE3687418D1 - Einrichtung zum pruefen einer alarmschaltung. - Google Patents

Einrichtung zum pruefen einer alarmschaltung.

Info

Publication number
DE3687418D1
DE3687418D1 DE8686307531T DE3687418T DE3687418D1 DE 3687418 D1 DE3687418 D1 DE 3687418D1 DE 8686307531 T DE8686307531 T DE 8686307531T DE 3687418 T DE3687418 T DE 3687418T DE 3687418 D1 DE3687418 D1 DE 3687418D1
Authority
DE
Germany
Prior art keywords
display unit
converting
radio frequency
resistance measurement
radio
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
DE8686307531T
Other languages
English (en)
Other versions
DE3687418T2 (de
Inventor
David Peter Grant
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.)
Individual
Original Assignee
Individual
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
Priority claimed from GB858514237A external-priority patent/GB8514237D0/en
Application filed by Individual filed Critical Individual
Publication of DE3687418D1 publication Critical patent/DE3687418D1/de
Application granted granted Critical
Publication of DE3687418T2 publication Critical patent/DE3687418T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Oscillators With Electromechanical Resonators (AREA)
  • Eye Examination Apparatus (AREA)
  • Glass Compositions (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)
  • Measurement Of Resistance Or Impedance (AREA)
  • Fire Alarms (AREA)
  • Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
  • Alarm Systems (AREA)
DE8686307531T 1985-06-05 1986-10-01 Einrichtung zum pruefen einer alarmschaltung. Expired - Fee Related DE3687418T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB858514237A GB8514237D0 (en) 1985-06-05 1985-06-05 Circuit testing
GB8612546A GB2178176B (en) 1985-06-05 1986-05-22 Circuit testing
EP86307531A EP0262268B1 (de) 1985-06-05 1986-10-01 Einrichtung zum Prüfen einer Alarmschaltung

Publications (2)

Publication Number Publication Date
DE3687418D1 true DE3687418D1 (de) 1993-02-11
DE3687418T2 DE3687418T2 (de) 1993-06-09

Family

ID=26289335

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8686307531T Expired - Fee Related DE3687418T2 (de) 1985-06-05 1986-10-01 Einrichtung zum pruefen einer alarmschaltung.

Country Status (5)

Country Link
EP (1) EP0262268B1 (de)
AT (1) ATE84160T1 (de)
AU (1) AU599602B2 (de)
DE (1) DE3687418T2 (de)
GB (1) GB2178176B (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IE60616B1 (en) * 1987-04-27 1994-07-27 Kelly John Terence Method and apparatus for identifying electrical circuits
GB2290622B (en) * 1995-06-13 1998-02-25 Omega Engineering Radiant wave energy-coupled test meter
DE102005044986A1 (de) * 2004-09-29 2006-07-06 Deutsche Telekom Ag Mobile Vorrichtung zur Überprüfung der Funktionsfähigkeit von einer Zugangseinrichtung eines intelligenten Zutrittskontrollsystems zugeordneten elektrischen Einrichtungen

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3179891A (en) * 1962-10-10 1965-04-20 Sharma Devendra Nath Radio receiver with separable utility case
DE1218909B (de) * 1965-05-17 1966-06-08 Siemens Ag Messverfahren zur UEbertragung von Daempfungswerten bei einer installierten Leitungsstrecke
US4044351A (en) * 1974-06-24 1977-08-23 Walter Kidde & Company, Inc. System monitor with innate line security ability
US4032909A (en) * 1975-07-07 1977-06-28 Eugene E. Karsten Arrangement for testing an alarm system and method
US4329643A (en) * 1980-03-13 1982-05-11 Neumann Manfred H Portable circuit testing system
US4456906A (en) * 1981-09-15 1984-06-26 Houston Industries Automatic testing of carrier relay equipment in electrical power transmission lines
FR2538561A1 (fr) * 1982-12-22 1984-06-29 Inst Francais Du Petrole Dispositif de transmission de signaux par radio et par cable entre un systeme central de commande et d'enregistrement et des appareils d'acquisition de donnees

Also Published As

Publication number Publication date
GB8612546D0 (en) 1986-07-02
AU599602B2 (en) 1990-07-26
GB2178176B (en) 1989-07-19
AU6313186A (en) 1988-03-31
ATE84160T1 (de) 1993-01-15
EP0262268A1 (de) 1988-04-06
EP0262268B1 (de) 1992-12-30
DE3687418T2 (de) 1993-06-09
GB2178176A (en) 1987-02-04

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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