NO170608C - Anlegg til aa utloese alarm i tilfelle av ulykker, saerlig iveitunneler - Google Patents

Anlegg til aa utloese alarm i tilfelle av ulykker, saerlig iveitunneler

Info

Publication number
NO170608C
NO170608C NO87870892A NO870892A NO170608C NO 170608 C NO170608 C NO 170608C NO 87870892 A NO87870892 A NO 87870892A NO 870892 A NO870892 A NO 870892A NO 170608 C NO170608 C NO 170608C
Authority
NO
Norway
Prior art keywords
fibre
installation
tunnels
accidents
case
Prior art date
Application number
NO87870892A
Other languages
English (en)
Norwegian (no)
Other versions
NO170608B (no
NO870892D0 (no
NO870892L (no
Inventor
Peter Mosimann
Original Assignee
Securiton Ag
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 Securiton Ag filed Critical Securiton Ag
Publication of NO870892D0 publication Critical patent/NO870892D0/no
Publication of NO870892L publication Critical patent/NO870892L/no
Publication of NO170608B publication Critical patent/NO170608B/no
Publication of NO170608C publication Critical patent/NO170608C/no

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B17/00—Fire alarms; Alarms responsive to explosion
    • G08B17/02—Mechanical actuation of the alarm, e.g. by the breaking of a wire

Landscapes

  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Fire-Detection Mechanisms (AREA)
  • Measuring Temperature Or Quantity Of Heat (AREA)
  • Alarm Systems (AREA)
  • Emergency Alarm Devices (AREA)
  • Road Signs Or Road Markings (AREA)
  • Traffic Control Systems (AREA)
  • Fire Alarms (AREA)
  • Medicines Containing Plant Substances (AREA)
  • Breeding Of Plants And Reproduction By Means Of Culturing (AREA)
NO87870892A 1986-03-06 1987-03-04 Anlegg til aa utloese alarm i tilfelle av ulykker, saerlig iveitunneler NO170608C (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH88686 1986-03-06

Publications (4)

Publication Number Publication Date
NO870892D0 NO870892D0 (no) 1987-03-04
NO870892L NO870892L (no) 1987-09-07
NO170608B NO170608B (no) 1992-07-27
NO170608C true NO170608C (no) 1992-11-04

Family

ID=4197470

Family Applications (1)

Application Number Title Priority Date Filing Date
NO87870892A NO170608C (no) 1986-03-06 1987-03-04 Anlegg til aa utloese alarm i tilfelle av ulykker, saerlig iveitunneler

Country Status (6)

Country Link
EP (1) EP0237479B1 (da)
AT (1) ATE54032T1 (da)
DE (1) DE3763347D1 (da)
DK (1) DK164337C (da)
FI (1) FI870970A7 (da)
NO (1) NO170608C (da)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4379289A (en) * 1979-03-08 1983-04-05 Gte Laboratories Incorporated Fiber optics security system
GB2072909B (en) * 1980-03-20 1983-11-02 Pill G J Underground installation protection systems
DE3213969A1 (de) * 1982-04-16 1983-10-27 Klaus 2800 Bremen Hempel Feuermeldeanlage
DE3234900A1 (de) * 1982-09-21 1984-03-22 Siemens Ag Faseroptischer sensor

Also Published As

Publication number Publication date
DK164337B (da) 1992-06-09
EP0237479A1 (fr) 1987-09-16
ATE54032T1 (de) 1990-07-15
NO170608B (no) 1992-07-27
NO870892D0 (no) 1987-03-04
DK114987A (da) 1987-09-07
FI870970A7 (fi) 1987-09-07
DK164337C (da) 1992-11-02
DK114987D0 (da) 1987-03-05
NO870892L (no) 1987-09-07
DE3763347D1 (de) 1990-07-26
FI870970A0 (fi) 1987-03-05
EP0237479B1 (fr) 1990-06-20

Similar Documents

Publication Publication Date Title
GB2181830B (en) Temperature measurement
ATE88810T1 (de) Temperaturmessung.
GB1544483A (en) Strain measurement using optical fibres
EP0099757A3 (en) Diaphanoscopy apparatus
GB2013921B (en) Optical fibre coupler for interfacing with light sources and detectors
NO861439L (no) Maaleanordning for optiske fiberegenskaper.
JPS5378217A (en) Phosphate optical glass through which light beam length beeing little dependnt on temperature
IT7824403A0 (it) Analizzatore ottico e sistema per la esposizione di foto-superfici a raggi laser.
NO170608C (no) Anlegg til aa utloese alarm i tilfelle av ulykker, saerlig iveitunneler
JPS5569006A (en) Strain measuring method for optical fiber
JPS5554428A (en) Output device for detecting light which passes through optical fibers
IT1108543B (it) Dispositivo per collegare fra loro fibre ottiche e procedimento utilizzante tale dispositivo
FR2548779B1 (fr) Procede de mesure de temperature par fibre optique, capteur et chaine de mesure mettant en oeuvre ce procede
JPS5278448A (en) Apparatus for manufacturing optical fiber
JPS57161529A (en) Evaluating device for single mode optical fiber
GB1540903A (en) Apparatus for measuring the incident power of light in fibre optics
UA14466A1 (uk) Спосіб вимірюваhhя іhтеhсивhості світла
JPS5328447A (en) Measurement of length of optical fiber and device therefor
JPS5343540A (en) Production of optical fiber
SU468280A1 (ru) Противопожарный извещатель
JPS6483123A (en) Radiation temperature measuring aparatus
JPS53120481A (en) Thermography system
JPS5296586A (en) Light attenuation type smoke detector
LACROIX et al. Measurement of the linear birefringence of monomode optical fibers by a thermal method
JPS52149140A (en) Wavelength dispersion measuring system for optical fibers