ITTO920124A0 - - Google Patents
Info
- Publication number
- ITTO920124A0 ITTO920124A0 IT92TO124A ITTO920124A ITTO920124A0 IT TO920124 A0 ITTO920124 A0 IT TO920124A0 IT 92TO124 A IT92TO124 A IT 92TO124A IT TO920124 A ITTO920124 A IT TO920124A IT TO920124 A0 ITTO920124 A0 IT TO920124A0
- Authority
- IT
- Italy
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)
- Optical Couplings Of Light Guides (AREA)
- Examining Or Testing Airtightness (AREA)
- Cable Accessories (AREA)
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 true ITTO920124A0 (en:Method) | 1992-02-18 |
| ITTO920124A1 ITTO920124A1 (en:Method) | 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 (en:Method) |
| ES (1) | ES2102286B1 (en:Method) |
| FR (1) | FR2739459B1 (en:Method) |
| GB (1) | GB2466783B (en:Method) |
| IT (1) | IT1269224B (en:Method) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050244116A1 (en) * | 2004-04-28 | 2005-11-03 | Evans Alan F | Cables and cable installations |
| ES2424885T3 (es) * | 2004-11-03 | 2013-10-09 | Adc Telecommunications, Inc. | Terminal de conexión para cables de fibra óptica |
| 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)
| 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 |
| EP0006364B1 (en) * | 1978-06-20 | 1983-08-17 | BICC Public Limited Company | 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 |
-
1991
- 1991-03-06 FR FR9102668A patent/FR2739459B1/fr not_active Expired - Fee Related
-
1992
- 1992-02-18 IT ITTO920124A patent/IT1269224B/it active IP Right Grant
- 1992-03-03 ES ES09200478A patent/ES2102286B1/es not_active Expired - Fee Related
- 1992-03-04 DE DE4206802A patent/DE4206802A1/de not_active Withdrawn
- 1992-03-04 GB GB9204635A patent/GB2466783B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| FR2739459B1 (fr) | 1998-01-30 |
| IT1269224B (it) | 1997-03-21 |
| DE4206802A1 (de) | 1997-05-28 |
| GB2466783A (en) | 2010-07-14 |
| FR2739459A1 (fr) | 1997-04-04 |
| ITTO920124A1 (en:Method) | 1993-08-18 |
| GB2466783B (en) | 2010-11-24 |
| ES2102286A1 (es) | 1997-07-16 |
| GB9204635D0 (en) | 2010-02-10 |
| ES2102286B1 (es) | 1998-02-16 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 0001 | Granted | ||
| TA | Fee payment date (situation as of event date), data collected since 19931001 |
Effective date: 19970131 |