RU95108004A - Fiber-optical device for emergency alarm - Google Patents

Fiber-optical device for emergency alarm

Info

Publication number
RU95108004A
RU95108004A RU95108004/09A RU95108004A RU95108004A RU 95108004 A RU95108004 A RU 95108004A RU 95108004/09 A RU95108004/09 A RU 95108004/09A RU 95108004 A RU95108004 A RU 95108004A RU 95108004 A RU95108004 A RU 95108004A
Authority
RU
Russia
Prior art keywords
fiber
port
photodetector
reflector
coherent radiation
Prior art date
Application number
RU95108004/09A
Other languages
Russian (ru)
Inventor
Б.Г. Горшков
Ю.Б. Первушин
В.Ф. Ламекин
Original Assignee
Акционерное общество закрытого типа "НТФ Интерсвязь"
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 Акционерное общество закрытого типа "НТФ Интерсвязь" filed Critical Акционерное общество закрытого типа "НТФ Интерсвязь"
Priority to RU95108004/09A priority Critical patent/RU95108004A/en
Priority to PCT/RU1995/000226 priority patent/WO1996037867A1/en
Publication of RU95108004A publication Critical patent/RU95108004A/en

Links

Classifications

    • GPHYSICS
    • G08SIGNALLING
    • G08BSIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B13/00Burglar, theft or intruder alarms
    • G08B13/18Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength
    • G08B13/181Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using active radiation detection systems
    • G08B13/183Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using active radiation detection systems by interruption of a radiation beam or barrier
    • G08B13/186Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using active radiation detection systems by interruption of a radiation beam or barrier using light guides, e.g. optical fibres

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Materials For Photolithography (AREA)
  • Burglar Alarm Systems (AREA)

Abstract

FIELD: measurement technology, emergency alarm systems. SUBSTANCE: device includes source of coherent radiation, multimode light guide and photodetector connected to register. Device is supplemented with fiber-optical coupler and reflector. Output of source of coherent radiation is connected to first port of fiber-optical coupler, which second port is connected to lead-out of multimode light guide which second lead is connected to mirror of reflector and which third port is connected to input of photodetector. EFFECT: increased sensitivity and probability of detection. 2 dwg

Claims (1)

Изобретение относится к области измерительной техники и может быть использовано в системах охранной сигнализации. Для увеличения чувствительности и повышения вероятности обнаружения нарушителя в волоконно-оптическое устройство, содержащее источник когерентного излучения, многомодовый световод и фотоприемник, подключенный к регистратору, введены волоконно-оптический ответвитель и отражатель, причем выход источника когерентного излучения соединен с первым портом волоконно-оптического ответвителя, второй порт которого подключен к первому выводу многомодового световода, второй вывод которого соединен с зеркалом отражателя, а третий порт подключен к входу фотоприемника.The invention relates to the field of measuring equipment and can be used in alarm systems. To increase the sensitivity and increase the probability of detecting an intruder, a fiber optic coupler and a reflector are introduced into a fiber-optic device containing a coherent radiation source, a multimode optical fiber and a photodetector connected to the recorder, the output of the coherent radiation source being connected to the first port of the fiber-optic coupler, the second port of which is connected to the first terminal of the multimode fiber, the second terminal of which is connected to the reflector mirror, and the third port is connected en to the photodetector input.
RU95108004/09A 1995-05-25 1995-05-25 Fiber-optical device for emergency alarm RU95108004A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
RU95108004/09A RU95108004A (en) 1995-05-25 1995-05-25 Fiber-optical device for emergency alarm
PCT/RU1995/000226 WO1996037867A1 (en) 1995-05-25 1995-10-18 Fibre-optic intruder alarm system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RU95108004/09A RU95108004A (en) 1995-05-25 1995-05-25 Fiber-optical device for emergency alarm

Publications (1)

Publication Number Publication Date
RU95108004A true RU95108004A (en) 1997-02-10

Family

ID=20167850

Family Applications (1)

Application Number Title Priority Date Filing Date
RU95108004/09A RU95108004A (en) 1995-05-25 1995-05-25 Fiber-optical device for emergency alarm

Country Status (2)

Country Link
RU (1) RU95108004A (en)
WO (1) WO1996037867A1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2695415C2 (en) * 2015-09-08 2019-07-23 Владимир Викторович Хопов Method of determining degree and location of disturbance of zone fiber-optic protection system of objects and device for its implementation
RU196573U1 (en) * 2019-09-11 2020-03-05 Федеральное государственное бюджетное образовательное учреждение высшего образования "Череповецкий государственный университет" Fiber optic system for monitoring the state of an object

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102622840A (en) * 2012-04-09 2012-08-01 北京交通大学 Peripheral security protection system based on single-optical-fiber cable
GB2547649A (en) * 2016-02-23 2017-08-30 Bae Systems Plc Optical security detector

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2091874B (en) * 1981-01-22 1984-11-14 Secr Defence Intruder detection system
DE3906080A1 (en) * 1989-02-27 1990-08-30 Ind Technik Ips Gmbh Object-monitoring method
US5194847A (en) * 1991-07-29 1993-03-16 Texas A & M University System Apparatus and method for fiber optic intrusion sensing

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2695415C2 (en) * 2015-09-08 2019-07-23 Владимир Викторович Хопов Method of determining degree and location of disturbance of zone fiber-optic protection system of objects and device for its implementation
RU196573U1 (en) * 2019-09-11 2020-03-05 Федеральное государственное бюджетное образовательное учреждение высшего образования "Череповецкий государственный университет" Fiber optic system for monitoring the state of an object

Also Published As

Publication number Publication date
WO1996037867A1 (en) 1996-11-28

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