CA1286367C - Systeme de communication a fibres optiques a surveillance de celles-ci - Google Patents

Systeme de communication a fibres optiques a surveillance de celles-ci

Info

Publication number
CA1286367C
CA1286367C CA 586650 CA586650A CA1286367C CA 1286367 C CA1286367 C CA 1286367C CA 586650 CA586650 CA 586650 CA 586650 A CA586650 A CA 586650A CA 1286367 C CA1286367 C CA 1286367C
Authority
CA
Canada
Prior art keywords
optical
fiber
optical fiber
signal
central location
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
Application number
CA 586650
Other languages
English (en)
Inventor
Vincent Choong-Yeong So
Paul Joseph Vella
Fred Armin Huszarik
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.)
Nortel Networks Ltd
Original Assignee
Northern Telecom Ltd
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 Northern Telecom Ltd filed Critical Northern Telecom Ltd
Priority to CA 586650 priority Critical patent/CA1286367C/fr
Application granted granted Critical
Publication of CA1286367C publication Critical patent/CA1286367C/fr
Expired legal-status Critical Current

Links

Landscapes

  • Optical Communication System (AREA)
CA 586650 1988-12-21 1988-12-21 Systeme de communication a fibres optiques a surveillance de celles-ci Expired CA1286367C (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA 586650 CA1286367C (fr) 1988-12-21 1988-12-21 Systeme de communication a fibres optiques a surveillance de celles-ci

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA 586650 CA1286367C (fr) 1988-12-21 1988-12-21 Systeme de communication a fibres optiques a surveillance de celles-ci

Publications (1)

Publication Number Publication Date
CA1286367C true CA1286367C (fr) 1991-07-16

Family

ID=4139346

Family Applications (1)

Application Number Title Priority Date Filing Date
CA 586650 Expired CA1286367C (fr) 1988-12-21 1988-12-21 Systeme de communication a fibres optiques a surveillance de celles-ci

Country Status (1)

Country Link
CA (1) CA1286367C (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20220326052A1 (en) * 2021-04-05 2022-10-13 Nec Laboratories America, Inc VIBRATION SENSING OVER PASSIVE OPTICAL NETWORKS (PONs) USING FORWARDING OPTICAL PHASE RETRIEVAL AND TIME-DOMAIN MULTIPLEXED (TDM) SWITCHING

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20220326052A1 (en) * 2021-04-05 2022-10-13 Nec Laboratories America, Inc VIBRATION SENSING OVER PASSIVE OPTICAL NETWORKS (PONs) USING FORWARDING OPTICAL PHASE RETRIEVAL AND TIME-DOMAIN MULTIPLEXED (TDM) SWITCHING
US12405136B2 (en) * 2021-04-05 2025-09-02 Nec Corporation Vibration sensing over passive optical networks (PONs) using forwarding optical phase retrieval and time-domain multiplexed (TDM) switching

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