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
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)
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 (xx) | 1976-01-24 |
Family
ID=10223296
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP50068101A Pending JPS518804A (xx) | 1974-06-06 | 1975-06-05 |
Country Status (5)
Country | Link |
---|---|
JP (1) | JPS518804A (xx) |
DE (1) | DE2525326A1 (xx) |
FR (1) | FR2274169A1 (xx) |
GB (1) | GB1465329A (xx) |
NL (1) | NL7506592A (xx) |
Cited By (4)
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 |
-
1974
- 1974-06-06 GB GB2516674A patent/GB1465329A/en not_active Expired
-
1975
- 1975-06-04 NL NL7506592A patent/NL7506592A/xx unknown
- 1975-06-05 JP JP50068101A patent/JPS518804A/ja active Pending
- 1975-06-06 FR FR7517757A patent/FR2274169A1/fr active Granted
- 1975-06-06 DE DE19752525326 patent/DE2525326A1/de active Pending
Cited By (6)
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 (xx) * | 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 (xx) * | 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 |
---|---|
DE2525326A1 (de) | 1975-12-11 |
FR2274169B1 (xx) | 1979-03-23 |
NL7506592A (nl) | 1975-12-09 |
FR2274169A1 (fr) | 1976-01-02 |
GB1465329A (en) | 1977-02-23 |
AU8178775A (en) | 1976-12-09 |
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 (xx) | ||
US3572948A (en) | Apparatus for measuring the electron density of a plasma | |
US3944811A (en) | Dielectric waveguides | |
US4015118A (en) | Controlling the amplification in a radiation detecting avalanche diode | |
GB1038408A (en) | Improvements in or relating to communications system | |
US2786180A (en) | Servo regulated microwave energy source | |
JPS5595384A (en) | Semiconductor laser device | |
JPS5783079A (en) | Driving method of semiconductor laser | |
JPH0687549B2 (ja) | 光受信器 | |
SU936439A1 (ru) | Приемник сверхвысоких частот | |
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 | |
JPS57173238A (en) | Optical transmitter | |
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 | |
JPS5683089A (en) | Light modulation system | |
JPS5550679A (en) | Laser drive current control system |