CN100449965C - 防止光时域反射计对光学部件的损坏 - Google Patents
防止光时域反射计对光学部件的损坏 Download PDFInfo
- Publication number
- CN100449965C CN100449965C CNB2004800073685A CN200480007368A CN100449965C CN 100449965 C CN100449965 C CN 100449965C CN B2004800073685 A CNB2004800073685 A CN B2004800073685A CN 200480007368 A CN200480007368 A CN 200480007368A CN 100449965 C CN100449965 C CN 100449965C
- Authority
- CN
- China
- Prior art keywords
- otdr
- optical cable
- signal
- optical
- described optical
- 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
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/07—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/07—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems
- H04B10/071—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using a reflected signal, e.g. using optical time domain reflectometers [OTDR]
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Optical Communication System (AREA)
- Prostheses (AREA)
- Gyroscopes (AREA)
- Geophysics And Detection Of Objects (AREA)
- Light Guides In General And Applications Therefor (AREA)
- Length Measuring Devices By Optical Means (AREA)
- Testing Of Optical Devices Or Fibers (AREA)
Abstract
Description
Claims (16)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GBGB0306482.1A GB0306482D0 (en) | 2003-03-21 | 2003-03-21 | Preventing damage to optical components from optical time domain reflectometers |
GB0306482.1 | 2003-03-21 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1762113A CN1762113A (zh) | 2006-04-19 |
CN100449965C true CN100449965C (zh) | 2009-01-07 |
Family
ID=9955213
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB2004800073685A Expired - Fee Related CN100449965C (zh) | 2003-03-21 | 2004-03-12 | 防止光时域反射计对光学部件的损坏 |
Country Status (7)
Country | Link |
---|---|
US (1) | US7555213B2 (zh) |
EP (1) | EP1609255B1 (zh) |
CN (1) | CN100449965C (zh) |
AT (1) | ATE497656T1 (zh) |
DE (1) | DE602004031288D1 (zh) |
GB (1) | GB0306482D0 (zh) |
WO (1) | WO2004084439A1 (zh) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2323286B9 (en) * | 2009-11-12 | 2016-06-08 | ADVA Optical Networking SE | Method of operating an optical transmission system, optical transmitter, and optical receiver |
US8594496B2 (en) * | 2009-11-13 | 2013-11-26 | Futurewei Technologies, Inc. | Tunable coherent optical time division reflectometry |
GB2493959B (en) * | 2011-08-25 | 2015-10-14 | Optasense Holdings Ltd | A fibre optic distributed sensor |
WO2013162903A2 (en) * | 2012-04-11 | 2013-10-31 | Ultra Communications, Inc. | Optical time domain reflectometer in a small form factor package |
EP3297182B1 (en) * | 2016-04-14 | 2021-12-15 | Huawei Technologies Co., Ltd. | Optical fiber state detection method |
CN106452568A (zh) * | 2016-11-03 | 2017-02-22 | 深圳新飞通光电子技术有限公司 | 具有otdr功能的osc光模块及其实现实时、中断业务检测的方法 |
EP3991309A4 (en) * | 2019-07-12 | 2022-07-20 | Huawei Technologies Co., Ltd. | METHOD AND APPARATUS FOR AN OPTICAL TRANSCEIVER |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5453827A (en) * | 1993-02-24 | 1995-09-26 | Dicon Fiberoptics | Fiberoptic in-line filter and technique for measuring the transmission quality of an optical fiber through the use of a fiberoptic in-line filter |
CN2435889Y (zh) * | 2000-07-10 | 2001-06-20 | 杨佳郁 | 多功能电话装置 |
CN1333454A (zh) * | 2000-07-12 | 2002-01-30 | 信息产业部武汉邮电科学研究院 | 光缆实时监测系统 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5214728A (en) * | 1990-06-19 | 1993-05-25 | Sumitomo Electric Industries, Ltd. | Light communication system |
JPH072073B2 (ja) | 1991-07-31 | 1995-01-18 | 稔 石田 | いかの内臓除去装置 |
US5790285A (en) * | 1996-05-21 | 1998-08-04 | Lucent Technologies Inc. | Lightwave communication monitoring system |
US6519026B1 (en) | 1999-08-06 | 2003-02-11 | Lucent Technologies Inc. | Optical time-domain reflectometer (OTDR) |
JP2001074596A (ja) * | 1999-09-06 | 2001-03-23 | Anritsu Corp | 光パルス試験器 |
US20040004709A1 (en) * | 2002-07-02 | 2004-01-08 | Donald Pitchforth | Method and system for performing measurements on an optical network |
-
2003
- 2003-03-21 GB GBGB0306482.1A patent/GB0306482D0/en not_active Ceased
-
2004
- 2004-03-12 WO PCT/GB2004/001057 patent/WO2004084439A1/en active Application Filing
- 2004-03-12 EP EP04720077A patent/EP1609255B1/en not_active Expired - Lifetime
- 2004-03-12 DE DE602004031288T patent/DE602004031288D1/de not_active Expired - Lifetime
- 2004-03-12 AT AT04720077T patent/ATE497656T1/de not_active IP Right Cessation
- 2004-03-12 US US10/550,418 patent/US7555213B2/en not_active Expired - Fee Related
- 2004-03-12 CN CNB2004800073685A patent/CN100449965C/zh not_active Expired - Fee Related
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5453827A (en) * | 1993-02-24 | 1995-09-26 | Dicon Fiberoptics | Fiberoptic in-line filter and technique for measuring the transmission quality of an optical fiber through the use of a fiberoptic in-line filter |
CN2435889Y (zh) * | 2000-07-10 | 2001-06-20 | 杨佳郁 | 多功能电话装置 |
CN1333454A (zh) * | 2000-07-12 | 2002-01-30 | 信息产业部武汉邮电科学研究院 | 光缆实时监测系统 |
Also Published As
Publication number | Publication date |
---|---|
DE602004031288D1 (de) | 2011-03-17 |
CN1762113A (zh) | 2006-04-19 |
US20060182405A1 (en) | 2006-08-17 |
GB0306482D0 (en) | 2003-04-23 |
EP1609255A1 (en) | 2005-12-28 |
EP1609255B1 (en) | 2011-02-02 |
US7555213B2 (en) | 2009-06-30 |
WO2004084439A1 (en) | 2004-09-30 |
ATE497656T1 (de) | 2011-02-15 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
ASS | Succession or assignment of patent right |
Owner name: L.M. ERICSSON CO., LTD. Free format text: FORMER OWNER: M(DGP1) CO., LTD. Effective date: 20070302 Owner name: M(DGP1) CO., LTD. Free format text: FORMER OWNER: MARCONI UK INTELLECTUAL PROP Effective date: 20070302 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TA01 | Transfer of patent application right |
Effective date of registration: 20070302 Address after: Stockholm, Sweden Applicant after: ERICSSON AB Address before: Coventry, United Kingdom Applicant before: M (DGP1) Ltd. Effective date of registration: 20070302 Address after: Coventry, United Kingdom Applicant after: M (DGP1) Ltd. Address before: Coventry, United Kingdom Applicant before: MARCONI UK INTELLECTUAL PROPERTY Ltd. |
|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090107 Termination date: 20160312 |
|
CF01 | Termination of patent right due to non-payment of annual fee |