ITTO920124A1 - - Google Patents

Info

Publication number
ITTO920124A1
ITTO920124A1 IT92TO000124A ITTO920124A ITTO920124A1 IT TO920124 A1 ITTO920124 A1 IT TO920124A1 IT 92TO000124 A IT92TO000124 A IT 92TO000124A IT TO920124 A ITTO920124 A IT TO920124A IT TO920124 A1 ITTO920124 A1 IT TO920124A1
Authority
IT
Italy
Application number
IT92TO000124A
Other languages
Italian (it)
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 filed Critical
Publication of ITTO920124A0 publication Critical patent/ITTO920124A0/it
Publication of ITTO920124A1 publication Critical patent/ITTO920124A1/it
Application granted granted Critical
Publication of IT1269224B publication Critical patent/IT1269224B/it

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)
ITTO920124A 1991-03-06 1992-02-18 Collegamento ottico con rivelazione di intrusioni IT1269224B (it)

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
ITTO920124A0 ITTO920124A0 (enrdf_load_stackoverflow) 1992-02-18
ITTO920124A1 true ITTO920124A1 (enrdf_load_stackoverflow) 1993-08-18
IT1269224B IT1269224B (it) 1997-03-21

Family

ID=9410393

Family Applications (1)

Application Number Title Priority Date Filing Date
ITTO920124A IT1269224B (it) 1991-03-06 1992-02-18 Collegamento ottico con rivelazione di intrusioni

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

Family Cites Families (10)

* 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
US4217488A (en) * 1977-01-21 1980-08-12 Bell Telephone Laboratories, Incorporated Secure optical communication components, method, and 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
GB8709900D0 (en) * 1987-04-27 1987-08-05 British Telecomm Surveillance system
FR2637432B1 (fr) * 1988-10-03 1990-11-30 Telecommunications Sa Systeme de surveillance de liaisons a fibre optique

Also Published As

Publication number Publication date
GB9204635D0 (en) 2010-02-10
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
GB2466783B (en) 2010-11-24
DE4206802A1 (de) 1997-05-28

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Legal Events

Date Code Title Description
0001 Granted
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19970131