JPS518804A - - Google Patents

Info

Publication number
JPS518804A
JPS518804A JP50068101A JP6810175A JPS518804A JP S518804 A JPS518804 A JP S518804A JP 50068101 A JP50068101 A JP 50068101A JP 6810175 A JP6810175 A JP 6810175A JP S518804 A JPS518804 A JP S518804A
Authority
JP
Japan
Prior art keywords
temperature
signal
bandwidth
waveguide
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.)
Pending
Application number
JP50068101A
Other languages
English (en)
Japanese (ja)
Inventor
Edoin Midointaa Jon
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.)
Post Office
Original Assignee
Post Office
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 Post Office filed Critical Post Office
Publication of JPS518804A publication Critical patent/JPS518804A/ja
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/66—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission for reducing bandwidth of signals; for improving efficiency of 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
    • H04B10/2581—Multimode transmission
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J14/00—Optical multiplex systems
    • H04J14/02—Wavelength-division multiplex systems
    • H04J14/0221—Power control, e.g. to keep the total optical power constant

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Optical Communication System (AREA)
  • Light Guides In General And Applications Therefor (AREA)
JP50068101A 1974-06-06 1975-06-05 Pending JPS518804A (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2516674A GB1465329A (en) 1974-06-06 1974-06-06 Bandwidth control

Publications (1)

Publication Number Publication Date
JPS518804A true JPS518804A (sv) 1976-01-24

Family

ID=10223296

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50068101A Pending JPS518804A (sv) 1974-06-06 1975-06-05

Country Status (5)

Country Link
JP (1) JPS518804A (sv)
DE (1) DE2525326A1 (sv)
FR (1) FR2274169A1 (sv)
GB (1) GB1465329A (sv)
NL (1) NL7506592A (sv)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5711195A (en) * 1980-06-23 1982-01-20 Narasaki Zosen Kk Elevation of ship on framework
JPS58200985A (ja) * 1982-05-19 1983-11-22 高砂工業株式会社 瓦の燻化装置
JPS6056712A (ja) * 1983-09-08 1985-04-02 Daifuku Koei Kk 処理設備
JPS6118624A (ja) * 1984-07-03 1986-01-27 Toyo Seikan Kaisha Ltd キヤリジ

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5711195A (en) * 1980-06-23 1982-01-20 Narasaki Zosen Kk Elevation of ship on framework
JPS58200985A (ja) * 1982-05-19 1983-11-22 高砂工業株式会社 瓦の燻化装置
JPH0123713B2 (sv) * 1982-05-19 1989-05-08 Takasago Kogyo Kk
JPS6056712A (ja) * 1983-09-08 1985-04-02 Daifuku Koei Kk 処理設備
JPH0448687B2 (sv) * 1983-09-08 1992-08-07 Daifuku Koei Kk
JPS6118624A (ja) * 1984-07-03 1986-01-27 Toyo Seikan Kaisha Ltd キヤリジ

Also Published As

Publication number Publication date
AU8178775A (en) 1976-12-09
NL7506592A (nl) 1975-12-09
FR2274169A1 (fr) 1976-01-02
DE2525326A1 (de) 1975-12-11
GB1465329A (en) 1977-02-23
FR2274169B1 (sv) 1979-03-23

Similar Documents

Publication Publication Date Title
US6151340A (en) Method and apparatus for locking the wavelength of beacon beam in a free-space laser communications system
US6490071B2 (en) Method and apparatus for optimizing SBS performance in an optical communication system using at least two phase modulation tones
US5162936A (en) Apparatus for monitoring the operation of an optical repeater
US3943446A (en) Power and modulation control system
FR2274169B1 (sv)
US3572948A (en) Apparatus for measuring the electron density of a plasma
US3944811A (en) Dielectric waveguides
GB1038408A (en) Improvements in or relating to communications system
US2786180A (en) Servo regulated microwave energy source
JPS5595384A (en) Semiconductor laser device
JPS6213612B2 (sv)
JPH0687549B2 (ja) 光受信器
SU936439A1 (ru) Приемник сверхвысоких частот
JPS6416036A (en) Automatic reception level control system for coherent light communication
JPS55107284A (en) Semiconductor laser output stabilizing method
JP2673490B2 (ja) 光学ノイズ源
SU657378A1 (ru) Способ стабилизации энергетической шкалы спектрометра и устройство дл его реализации
JPS6410683A (en) Apparatus for controlling spectral width of laser
SU565375A1 (ru) Частотный дискриминатор
JPS56161501A (en) Light variable attenuator
SU611289A1 (ru) Устройство дл автоматической настройки контура усилител мощности радиопередатчика
GB1116169A (en) Improvements in or relating to gunn effect apparatus
JPS5550679A (en) Laser drive current control system
SU1171985A1 (ru) Устройство автоматической регулировки усилени
SU886193A1 (ru) Генератор шума