JPH0422253B2 - - Google Patents

Info

Publication number
JPH0422253B2
JPH0422253B2 JP58215576A JP21557683A JPH0422253B2 JP H0422253 B2 JPH0422253 B2 JP H0422253B2 JP 58215576 A JP58215576 A JP 58215576A JP 21557683 A JP21557683 A JP 21557683A JP H0422253 B2 JPH0422253 B2 JP H0422253B2
Authority
JP
Japan
Prior art keywords
optical
signal
light
frequency
heterodyne
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 - Lifetime
Application number
JP58215576A
Other languages
English (en)
Japanese (ja)
Other versions
JPS60107626A (ja
Inventor
Katsumi Emura
Minoru Shikada
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.)
NEC Corp
Original Assignee
Nippon Electric Co 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 Nippon Electric Co Ltd filed Critical Nippon Electric Co Ltd
Priority to JP58215576A priority Critical patent/JPS60107626A/ja
Priority to US06/671,364 priority patent/US4759080A/en
Priority to EP84113840A priority patent/EP0145972B1/en
Priority to CA000467892A priority patent/CA1232325A/en
Priority to DE8484113840T priority patent/DE3479374D1/de
Publication of JPS60107626A publication Critical patent/JPS60107626A/ja
Publication of JPH0422253B2 publication Critical patent/JPH0422253B2/ja
Granted legal-status Critical Current

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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Optical Communication System (AREA)
JP58215576A 1983-11-16 1983-11-16 光ヘテロダイン・ホモダイン通信方法 Granted JPS60107626A (ja)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP58215576A JPS60107626A (ja) 1983-11-16 1983-11-16 光ヘテロダイン・ホモダイン通信方法
US06/671,364 US4759080A (en) 1983-11-16 1984-11-14 Coherent optical communication system with FSK heterodyne or homodyne detection and little influence by distortion of a modulated optical signal
EP84113840A EP0145972B1 (en) 1983-11-16 1984-11-15 Coherent optical communication system with fsk heterodyne or homodyne detection and little influence by distortion of a modulated optical signal
CA000467892A CA1232325A (en) 1983-11-16 1984-11-15 Coherent optical communication system with fsk heterodyne or homodyne detection and little influence by distortion of a modulated optical signal
DE8484113840T DE3479374D1 (en) 1983-11-16 1984-11-15 Coherent optical communication system with fsk heterodyne or homodyne detection and little influence by distortion of a modulated optical signal

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP58215576A JPS60107626A (ja) 1983-11-16 1983-11-16 光ヘテロダイン・ホモダイン通信方法

Publications (2)

Publication Number Publication Date
JPS60107626A JPS60107626A (ja) 1985-06-13
JPH0422253B2 true JPH0422253B2 (da) 1992-04-16

Family

ID=16674720

Family Applications (1)

Application Number Title Priority Date Filing Date
JP58215576A Granted JPS60107626A (ja) 1983-11-16 1983-11-16 光ヘテロダイン・ホモダイン通信方法

Country Status (1)

Country Link
JP (1) JPS60107626A (da)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8515499D0 (en) * 1985-06-19 1985-07-24 British Telecomm Digital information transmission system
JPH0693654B2 (ja) * 1987-04-14 1994-11-16 日本電気株式会社 光ホモダイン検波光通信方法及び装置
PT3103202T (pt) * 2014-02-07 2018-06-06 Univ Danmarks Tekniske Descodificação de um sinal modulado de amplitude combinada e de frequência modulada

Also Published As

Publication number Publication date
JPS60107626A (ja) 1985-06-13

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