GB2466783B - Optical transmission link with intrusion detection - Google Patents

Optical transmission link with intrusion detection

Info

Publication number
GB2466783B
GB2466783B GB9204635A GB9204635A GB2466783B GB 2466783 B GB2466783 B GB 2466783B GB 9204635 A GB9204635 A GB 9204635A GB 9204635 A GB9204635 A GB 9204635A GB 2466783 B GB2466783 B GB 2466783B
Authority
GB
United Kingdom
Prior art keywords
optical transmission
transmission link
intrusion detection
intrusion
detection
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
GB9204635A
Other languages
English (en)
Other versions
GB9204635D0 (en
GB2466783A (en
Inventor
Pierre Gaillard
Jean-Pierre Bonicel
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.)
Nexans France SAS
Original Assignee
Alcatel Cable SA
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 Alcatel Cable SA filed Critical Alcatel Cable SA
Publication of GB9204635D0 publication Critical patent/GB9204635D0/en
Publication of GB2466783A publication Critical patent/GB2466783A/en
Application granted granted Critical
Publication of GB2466783B publication Critical patent/GB2466783B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
    • G02B6/4439—Auxiliary devices
    • G02B6/4469—Security aspects

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Burglar Alarm Systems (AREA)
  • Examining Or Testing Airtightness (AREA)
  • Optical Couplings Of Light Guides (AREA)
  • Cable Accessories (AREA)
GB9204635A 1991-03-06 1992-03-04 Optical transmission link with intrusion detection Expired - Fee Related GB2466783B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9102668A FR2739459B1 (fr) 1991-03-06 1991-03-06 Liaison optique de transmission a detection d'intrusion

Publications (3)

Publication Number Publication Date
GB9204635D0 GB9204635D0 (en) 2010-02-10
GB2466783A GB2466783A (en) 2010-07-14
GB2466783B true GB2466783B (en) 2010-11-24

Family

ID=9410393

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9204635A Expired - Fee Related GB2466783B (en) 1991-03-06 1992-03-04 Optical transmission link with intrusion detection

Country Status (5)

Country Link
DE (1) DE4206802A1 (enrdf_load_stackoverflow)
ES (1) ES2102286B1 (enrdf_load_stackoverflow)
FR (1) FR2739459B1 (enrdf_load_stackoverflow)
GB (1) GB2466783B (enrdf_load_stackoverflow)
IT (1) IT1269224B (enrdf_load_stackoverflow)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050244116A1 (en) * 2004-04-28 2005-11-03 Evans Alan F Cables and cable installations
MX2007005303A (es) * 2004-11-03 2007-06-11 Adc Telecommunications Inc Terminal de bajada de fibra.
CN105068203B (zh) * 2015-08-17 2018-11-23 江苏亨通光电股份有限公司 一种防窃听光纤光缆、防窃听方法及光缆制造方法
CN115051750B (zh) * 2022-04-27 2024-05-24 安徽理工大学 一种野外传感光纤的智能监测保护系统

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4217488A (en) * 1977-01-21 1980-08-12 Bell Telephone Laboratories, Incorporated Secure optical communication components, method, and system
WO1988008651A1 (en) * 1987-04-27 1988-11-03 British Telecommunications Public Limited Company Surveillance system

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4000416A (en) * 1975-07-11 1976-12-28 International Telephone And Telegraph Corporation Multi-core optical communications fiber
US4174149A (en) * 1976-08-19 1979-11-13 The United States Of America As Represented By The Secretary Of The Army Secure fiber optics communication system
US4436368A (en) * 1977-06-06 1984-03-13 Corning Glass Works Multiple core optical waveguide for secure transmission
DE2966062D1 (en) * 1978-06-20 1983-09-22 Bicc Plc An improved optical cable
DE2931534A1 (de) * 1979-08-03 1981-02-19 Messerschmitt Boelkow Blohm Einrichtung zur ueberwachung von signaluebertragungsleitungen
DE3338232A1 (de) * 1983-08-10 1985-03-28 Gebatec Geräte- und Bauelemente-Technik GmbH, 3554 Gladenbach Elektrisches kabel
US4729627A (en) * 1983-08-15 1988-03-08 Sumitomo Electric Industries, Ltd. Optical fiber cable for detecting low temperature
FR2637432B1 (fr) * 1988-10-03 1990-11-30 Telecommunications Sa Systeme de surveillance de liaisons a fibre optique

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4217488A (en) * 1977-01-21 1980-08-12 Bell Telephone Laboratories, Incorporated Secure optical communication components, method, and system
WO1988008651A1 (en) * 1987-04-27 1988-11-03 British Telecommunications Public Limited Company Surveillance system

Also Published As

Publication number Publication date
GB9204635D0 (en) 2010-02-10
ITTO920124A1 (enrdf_load_stackoverflow) 1993-08-18
GB2466783A (en) 2010-07-14
FR2739459A1 (fr) 1997-04-04
IT1269224B (it) 1997-03-21
ITTO920124A0 (enrdf_load_stackoverflow) 1992-02-18
ES2102286A1 (es) 1997-07-16
ES2102286B1 (es) 1998-02-16
FR2739459B1 (fr) 1998-01-30
DE4206802A1 (de) 1997-05-28

Similar Documents

Publication Publication Date Title
GB2280561B (en) Optical transmission system
GB2264018B (en) Optical signal transmission network
EP0504834A3 (en) Optical transmitter
EP0539177A3 (en) An optical transmission system
GB2265271B (en) Optical signal transmission devices
EP0444688A3 (en) Optical transmitter
EP0543570A3 (en) Optical transmission system equalizer
EP0460898A3 (en) Optical detection device
EP0488226A3 (en) Optical transmitter
DE69322674D1 (de) Optischer Empfänger mit Direkt-Detektion
GB2240228B (en) Optical transmission system.
EP0507213A3 (en) Light transmitter
GB9126291D0 (en) Full-duplex optical transmission system
GB2245790B (en) Optical transmitter
GB2274753B (en) Optical signal transmission network
EP0520559A3 (en) Optical detection device
GB2278971B (en) Two-way transmission system using single optical path
GB2466783B (en) Optical transmission link with intrusion detection
GB2254746B (en) Optical transmitter
EP0513993A3 (en) Differential free space optical signal transmission
EP0491272A3 (en) Optical transmitter
GB2260872B (en) An optical transmission system
EP0515919A3 (en) Light transmission system
EP0509434A3 (en) Transmission installation with monitored optical link
EP0507394A3 (en) Optical transmitter

Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20110224