IL108240A - Fiber optic link amplitude stabilization circuit - Google Patents
Fiber optic link amplitude stabilization circuitInfo
- Publication number
- IL108240A IL108240A IL108240A IL10824093A IL108240A IL 108240 A IL108240 A IL 108240A IL 108240 A IL108240 A IL 108240A IL 10824093 A IL10824093 A IL 10824093A IL 108240 A IL108240 A IL 108240A
- Authority
- IL
- Israel
- Prior art keywords
- attenuator
- fiber optic
- photodetector
- resistive loading
- loading means
- Prior art date
Links
- 239000000835 fiber Substances 0.000 title abstract 2
- 230000006641 stabilisation Effects 0.000 title abstract 2
- 238000011105 stabilization Methods 0.000 title abstract 2
- 230000002238 attenuated effect Effects 0.000 abstract 1
- 230000000903 blocking effect Effects 0.000 abstract 1
- 230000008878 coupling Effects 0.000 abstract 1
- 238000010168 coupling process Methods 0.000 abstract 1
- 238000005859 coupling reaction Methods 0.000 abstract 1
- 238000002839 fiber optic waveguide Methods 0.000 abstract 1
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G3/00—Gain control in amplifiers or frequency changers
- H03G3/20—Automatic control
- H03G3/30—Automatic control in amplifiers having semiconductor devices
- H03G3/3084—Automatic control in amplifiers having semiconductor devices in receivers or transmitters for electromagnetic waves other than radiowaves, e.g. lightwaves
-
- 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
- H04B10/2575—Radio-over-fibre, e.g. radio frequency signal modulated onto an optical carrier
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Optical Communication System (AREA)
- Lasers (AREA)
- Amplifiers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US08/005,675 US5420711A (en) | 1993-01-19 | 1993-01-19 | Fiber optic link amplitude stabilization circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| IL108240A true IL108240A (en) | 1997-04-15 |
Family
ID=21717124
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IL108240A IL108240A (en) | 1993-01-19 | 1993-12-30 | Fiber optic link amplitude stabilization circuit |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US5420711A (xx) |
| EP (1) | EP0607849B1 (xx) |
| JP (1) | JP2749505B2 (xx) |
| DE (1) | DE69431170T2 (xx) |
| IL (1) | IL108240A (xx) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2997735B2 (ja) * | 1996-06-26 | 2000-01-11 | 富士電機株式会社 | 電子写真用感光体 |
| US6178284B1 (en) | 1998-09-30 | 2001-01-23 | Lucent Technologies, Inc. | Variable single-mode attenuators by spatial interference |
| TW490881B (en) | 2000-02-24 | 2002-06-11 | Asahi Glass Co Ltd | Terminal device for a glass antenna |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57207446A (en) * | 1981-06-16 | 1982-12-20 | Nec Corp | Optical reception squeltch circuit |
| JPS60140939A (ja) * | 1983-12-27 | 1985-07-25 | Toshiba Corp | 光受信器 |
| JPS62116029A (ja) * | 1985-11-15 | 1987-05-27 | Fujitsu Ltd | 光信号断検出方式 |
| JPS62279735A (ja) * | 1986-05-29 | 1987-12-04 | Nec Corp | 自動利得制御システム |
| JPS63250228A (ja) * | 1987-04-06 | 1988-10-18 | Nippon Telegr & Teleph Corp <Ntt> | 光中継器 |
| JPH0222244A (ja) * | 1988-07-09 | 1990-01-25 | Fuji Yakuhin Kogyo Kk | 光学活性化合物の製造方法 |
| JP2626215B2 (ja) * | 1990-08-28 | 1997-07-02 | 日本電気株式会社 | 半導体光増幅器の利得安定化制御方式 |
| US5210633A (en) * | 1990-09-12 | 1993-05-11 | General Instrument Corporation | Apparatus and method for linearizing the operation of an external optical modulator |
| US5146079A (en) * | 1990-11-01 | 1992-09-08 | At&T Bell Laboratories | Broadband optical receiver with active bias feedback circuit |
| US5321849A (en) * | 1991-05-22 | 1994-06-14 | Southwestern Bell Technology Resources, Inc. | System for controlling signal level at both ends of a transmission link based on a detected valve |
| JPH05114887A (ja) * | 1991-10-23 | 1993-05-07 | Matsushita Electric Ind Co Ltd | 光受信器 |
-
1993
- 1993-01-19 US US08/005,675 patent/US5420711A/en not_active Expired - Lifetime
- 1993-12-30 IL IL108240A patent/IL108240A/xx not_active IP Right Cessation
-
1994
- 1994-01-12 EP EP94100321A patent/EP0607849B1/en not_active Expired - Lifetime
- 1994-01-12 DE DE69431170T patent/DE69431170T2/de not_active Expired - Lifetime
- 1994-01-19 JP JP6004172A patent/JP2749505B2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JP2749505B2 (ja) | 1998-05-13 |
| EP0607849A1 (en) | 1994-07-27 |
| US5420711A (en) | 1995-05-30 |
| JPH077211A (ja) | 1995-01-10 |
| EP0607849B1 (en) | 2002-08-14 |
| DE69431170D1 (de) | 2002-09-19 |
| DE69431170T2 (de) | 2002-12-12 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| CB | Opposition filed against grant of patent | ||
| NP | Permission for amending the patent specification granted (section 66, patents law 1967) | ||
| KB | Patent renewed | ||
| KB | Patent renewed | ||
| KB | Patent renewed | ||
| KB | Patent renewed | ||
| EXP | Patent expired |