FI923896A0 - Transmissionssystem foer oeverfoering av signaler oberoende av polarisering. - Google Patents

Transmissionssystem foer oeverfoering av signaler oberoende av polarisering.

Info

Publication number
FI923896A0
FI923896A0 FI923896A FI923896A FI923896A0 FI 923896 A0 FI923896 A0 FI 923896A0 FI 923896 A FI923896 A FI 923896A FI 923896 A FI923896 A FI 923896A FI 923896 A0 FI923896 A0 FI 923896A0
Authority
FI
Finland
Prior art keywords
connection point
connection points
transmissionssystem
polarisering
oberoende
Prior art date
Application number
FI923896A
Other languages
English (en)
Other versions
FI923896A (fi
Inventor
Deventer Mattijs Oskar Van
Original Assignee
Nederland Ptt
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
Priority claimed from NL9101505A external-priority patent/NL9101505A/nl
Priority claimed from NL9102159A external-priority patent/NL9102159A/nl
Application filed by Nederland Ptt filed Critical Nederland Ptt
Publication of FI923896A0 publication Critical patent/FI923896A0/fi
Publication of FI923896A publication Critical patent/FI923896A/fi

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
    • H04B10/25—Arrangements specific to fibre transmission
    • 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
    • H04B10/25—Arrangements specific to fibre transmission
    • H04B10/2589—Bidirectional transmission

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Optical Communication System (AREA)
  • Retarders (AREA)
  • Radio Relay Systems (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Radio Transmission System (AREA)
  • Control Of Transmission Device (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
FI923896A 1991-09-06 1992-08-31 Transmissionssystem foer oeverfoering av signaler oberoende av polarisering FI923896A (fi)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL9101505A NL9101505A (nl) 1991-09-06 1991-09-06 Transmissiesysteem voor de polarisatie-ongevoelige overdracht van signalen.
NL9102159A NL9102159A (nl) 1991-12-20 1991-12-20 Transmissiesystemen voor de polarisatie-ongevoelige overdracht van signalen.

Publications (2)

Publication Number Publication Date
FI923896A0 true FI923896A0 (fi) 1992-08-31
FI923896A FI923896A (fi) 1993-03-07

Family

ID=26646879

Family Applications (1)

Application Number Title Priority Date Filing Date
FI923896A FI923896A (fi) 1991-09-06 1992-08-31 Transmissionssystem foer oeverfoering av signaler oberoende av polarisering

Country Status (9)

Country Link
US (1) US5297223A (fi)
EP (1) EP0530878B1 (fi)
JP (1) JPH0775338B2 (fi)
AT (1) ATE153811T1 (fi)
CA (1) CA2075881C (fi)
DE (1) DE69219969T2 (fi)
ES (1) ES2101797T3 (fi)
FI (1) FI923896A (fi)
NO (1) NO923233L (fi)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5408545A (en) * 1994-01-19 1995-04-18 Dicon Fiberoptics Depolarizer for fiber optic applications and method using same
US6724995B1 (en) 1996-12-23 2004-04-20 Tellabs Denmark A/S Bidirectional router and a method of bidirectional amplification
US7447436B2 (en) * 1999-12-29 2008-11-04 Forster Energy Llc Optical communications using multiplexed single sideband transmission and heterodyne detection
US7499684B2 (en) * 2003-09-19 2009-03-03 Ipr Licensing, Inc. Master-slave local oscillator porting between radio integrated circuits
JP6277660B2 (ja) * 2013-10-16 2018-02-14 住友電気工業株式会社 全二重光トランシーバ

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55121753A (en) * 1979-03-12 1980-09-19 Nec Corp Two-way light transmitter
JPS60184229A (ja) * 1984-03-02 1985-09-19 Nec Corp 光ヘテロダイン・ホモダイン検波受信装置
US4810052A (en) * 1986-01-07 1989-03-07 Litton Systems, Inc Fiber optic bidirectional data bus tap
JPS62189442A (ja) * 1986-02-17 1987-08-19 Nec Corp 光ヘテロダイン・ホモダイン検波受信装置
NL8602380A (nl) * 1986-09-22 1988-04-18 Philips Nv Inrichting voor optische heterodyne detektie van een optische signaalbundel en een optisch transmissiesysteem van een dergelijke inrichting voorzien.
DE3741284C2 (de) * 1987-12-05 2000-07-06 Sel Alcatel Ag Faseroptischer Mehrfachkoppler
EP0352809B1 (en) * 1988-07-29 1997-04-16 Nec Corporation Polarization diversity optical heterodyne receiver with phase adjustment of two i.f. signals for control of a local optical source
US5223975A (en) * 1988-11-11 1993-06-29 Fujitsu Limited Polarization beam coupler including a splitter for producing an output monitor beam
IT1232056B (it) * 1989-03-28 1992-01-23 Cselt Centro Studi Lab Telecom Modulatore veloce della polarizza zione di una portante ottica
DE69024119T2 (de) * 1989-05-23 1996-05-09 Nec Corp Polarisationsregelung von bidirektional übertragenen Strahlenbündeln durch eine einzige Polarisationssteuerung
JPH0353227A (ja) * 1989-07-21 1991-03-07 Nec Corp 光増幅装置
JP2540951B2 (ja) * 1989-08-09 1996-10-09 日本電気株式会社 一括偏波制御方法
US5060312A (en) * 1990-03-05 1991-10-22 At&T Bell Laboratories Polarization independent coherent lightwave detection arrangement
GB2245117B (en) * 1990-06-14 1994-04-06 Stc Plc Optical mixing for heterodyne detection
US5212710A (en) * 1990-07-19 1993-05-18 Sony Corporation Laser light beam synthesizing apparatus
NL9002713A (nl) * 1990-12-10 1992-07-01 Nederland Ptt Transmissiesysteem voor de polarisatie-ongevoelige overdracht van signalen.
US5191467A (en) * 1991-07-24 1993-03-02 Kaptron, Inc. Fiber optic isolater and amplifier

Also Published As

Publication number Publication date
EP0530878A1 (en) 1993-03-10
EP0530878B1 (en) 1997-05-28
US5297223A (en) 1994-03-22
DE69219969D1 (de) 1997-07-03
FI923896A (fi) 1993-03-07
NO923233D0 (no) 1992-08-18
DE69219969T2 (de) 1997-09-11
CA2075881A1 (en) 1993-03-07
JPH0775338B2 (ja) 1995-08-09
JPH05218977A (ja) 1993-08-27
CA2075881C (en) 1996-10-29
ATE153811T1 (de) 1997-06-15
NO923233L (no) 1993-03-08
ES2101797T3 (es) 1997-07-16

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Legal Events

Date Code Title Description
FD Application lapsed