ATE70678T1 - Verbesserungen an uebertragungssystemen. - Google Patents

Verbesserungen an uebertragungssystemen.

Info

Publication number
ATE70678T1
ATE70678T1 AT87901579T AT87901579T ATE70678T1 AT E70678 T1 ATE70678 T1 AT E70678T1 AT 87901579 T AT87901579 T AT 87901579T AT 87901579 T AT87901579 T AT 87901579T AT E70678 T1 ATE70678 T1 AT E70678T1
Authority
AT
Austria
Prior art keywords
signal
fed
optical
received
directional
Prior art date
Application number
AT87901579T
Other languages
English (en)
Inventor
Christopher Antony Wade
Original Assignee
Roke Manor Research
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 Roke Manor Research filed Critical Roke Manor Research
Application granted granted Critical
Publication of ATE70678T1 publication Critical patent/ATE70678T1/de

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
    • H04B10/60—Receivers
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/10—Frequency-modulated carrier systems, i.e. using frequency-shift keying
    • H04L27/14—Demodulator circuits; Receiver circuits
    • H04L27/144—Demodulator circuits; Receiver circuits with demodulation using spectral properties of the received signal, e.g. by using frequency selective- or frequency sensitive elements
    • H04L27/152—Demodulator circuits; Receiver circuits with demodulation using spectral properties of the received signal, e.g. by using frequency selective- or frequency sensitive elements using controlled oscillators, e.g. PLL arrangements
    • H04L27/1525—Demodulator circuits; Receiver circuits with demodulation using spectral properties of the received signal, e.g. by using frequency selective- or frequency sensitive elements using controlled oscillators, e.g. PLL arrangements using quadrature demodulation

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Electromagnetism (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Optical Communication System (AREA)
  • Measurement And Recording Of Electrical Phenomena And Electrical Characteristics Of The Living Body (AREA)
  • Communication Control (AREA)
  • Circuits Of Receivers In General (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
  • Vehicle Body Suspensions (AREA)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
AT87901579T 1986-03-11 1987-03-11 Verbesserungen an uebertragungssystemen. ATE70678T1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB8605964A GB2192108B (en) 1986-03-11 1986-03-11 Improvements relating to communication systems
PCT/GB1987/000167 WO1987005761A1 (en) 1986-03-11 1987-03-11 Improvements relating to communication systems
EP87901579A EP0263845B1 (de) 1986-03-11 1987-03-11 Verbesserungen an übertragungssystemen

Publications (1)

Publication Number Publication Date
ATE70678T1 true ATE70678T1 (de) 1992-01-15

Family

ID=10594374

Family Applications (1)

Application Number Title Priority Date Filing Date
AT87901579T ATE70678T1 (de) 1986-03-11 1987-03-11 Verbesserungen an uebertragungssystemen.

Country Status (5)

Country Link
EP (1) EP0263845B1 (de)
AT (1) ATE70678T1 (de)
DE (1) DE3775327D1 (de)
GB (1) GB2192108B (de)
WO (1) WO1987005761A1 (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4021063A1 (de) * 1990-07-03 1992-01-09 Boehringer Mannheim Gmbh Neue ss-galactosidase-substrate fuer den cedia
JPH04310037A (ja) * 1991-04-09 1992-11-02 Nec Corp Ｆｓｋ受信機
GB9315431D0 (en) * 1993-07-26 1993-09-08 Plessey Telecomm Optical communication system

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2510846A1 (fr) * 1981-07-31 1983-02-04 Trt Telecom Radio Electr Dispositif de couplage d'un emetteur et d'un recepteur de rayonnement a une extremite d'une fibre optique
GB2137836B (en) * 1983-04-06 1986-07-23 Multitone Electronics Plc Fm demodulators

Also Published As

Publication number Publication date
WO1987005761A1 (en) 1987-09-24
EP0263845B1 (de) 1991-12-18
DE3775327D1 (de) 1992-01-30
GB8605964D0 (en) 1986-04-16
GB2192108B (en) 1989-11-08
EP0263845A1 (de) 1988-04-20
GB2192108A (en) 1987-12-31

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