KR950035158A - 넓은 다이나믹 범위를 가지는 수신 시스템 - Google Patents
넓은 다이나믹 범위를 가지는 수신 시스템 Download PDFInfo
- Publication number
- KR950035158A KR950035158A KR1019950002306A KR19950002306A KR950035158A KR 950035158 A KR950035158 A KR 950035158A KR 1019950002306 A KR1019950002306 A KR 1019950002306A KR 19950002306 A KR19950002306 A KR 19950002306A KR 950035158 A KR950035158 A KR 950035158A
- Authority
- KR
- South Korea
- Prior art keywords
- laser
- feedback control
- optical probe
- input
- receiving
- 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.)
- Granted
Links
- 230000003287 optical effect Effects 0.000 claims abstract description 16
- 239000000523 sample Substances 0.000 claims abstract description 16
- 230000005540 biological transmission Effects 0.000 claims abstract 12
- 230000001678 irradiating effect Effects 0.000 claims 3
- 230000005693 optoelectronics Effects 0.000 claims 1
- 230000035899 viability Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
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
- H04B10/11—Arrangements specific to free-space transmission, i.e. transmission through air or vacuum
-
- 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
- H04B10/50—Transmitters
- H04B10/501—Structural aspects
- H04B10/503—Laser transmitters
- H04B10/505—Laser transmitters using external modulation
-
- 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
- H04B10/50—Transmitters
-
- 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
- H04B10/50—Transmitters
- H04B10/501—Structural aspects
- H04B10/503—Laser transmitters
- H04B10/505—Laser transmitters using external modulation
- H04B10/5051—Laser transmitters using external modulation using a series, i.e. cascade, combination of modulators
-
- 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
- H04B10/50—Transmitters
- H04B10/501—Structural aspects
- H04B10/503—Laser transmitters
- H04B10/505—Laser transmitters using external modulation
- H04B10/5057—Laser transmitters using external modulation using a feedback signal generated by analysing the optical output
- H04B10/50572—Laser transmitters using external modulation using a feedback signal generated by analysing the optical output to control the modulating signal amplitude including amplitude distortion
-
- 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
- H04B10/50—Transmitters
- H04B10/501—Structural aspects
- H04B10/503—Laser transmitters
- H04B10/505—Laser transmitters using external modulation
- H04B10/5057—Laser transmitters using external modulation using a feedback signal generated by analysing the optical output
- H04B10/50577—Laser transmitters using external modulation using a feedback signal generated by analysing the optical output to control the phase of the modulating signal
-
- 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
- H04B10/50—Transmitters
- H04B10/564—Power control
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Optics & Photonics (AREA)
- Optical Communication System (AREA)
- Measurement Of Current Or Voltage (AREA)
- Lasers (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
Abstract
Description
Claims (3)
- 레이져 빔을 조사하기 위한 레이져; 입력 신호 강도에 응답하여 변화하는 빔의 강도를 가지는 투과 빔을 만들기 위하여 입력 크기와 입력 신호 강도를 가지는 입력 신호와 레이져 빔을 수신하기 위한 광학 프로브; 광학 프로브로 부터 만들어진 투과 빔을 변화된 크기를 가지는 신호로 변화하기 위한 광전기 컨버터; 피드백 제어 신호를 만들기 위한 전기 신호를 수신하기 위한 피드백 제어장치; 전기 신호를 수신하기 위한 수신 장치; 그리고, 변환된 크기가 입력크기에도 불구하고 일정한 크기와 동일하도록 피드백 제어 신호에 응답하여 레이져를 제어하기 위한 레이져 제어장치를 포함하는 것을 특징으로 하는 수신 시스템.
- 레이져 빔을 조사하기 위한 레이져; 입력 신호 강도에 응답하여 변화하는 빔의 강도를 가지는 투과 빔을 만들기 위하여 입력 크기와 입력 신호 강도를 가지는 입력 신호와 레이져 빔을 수신하기 위한 광학 프로브; 광학 프로브로 부터 만들어진 투과 빔을 변화된 크기를 가지는 신호로 변환하기 위한 광전기 컨버터; 피드백 제어 신호를 만들기 위한 전기 신호를 수신하기 위한 피드백 제어장치; 피드백 제어신호를 수신하기 위한 장치; 그리고, 빔의 강도가 입력크기에도 불구하고 일정한 크기와 동일하도록 피드백 제어 신호에 응답하여 레이져를 제어하기 위한 레이져 제어장치를 포함하는 것을 특징으로 하는 수신 시스템.
- 레이져 빔을 조사하기 위한 레이져; 입력 신호 강도에 응답하여 변화하는 제1빔의 강도를 가지는 제1투과 빔을 만들기 위하여 입력 크기와 입력 신호 강도를 가지는 입력 신호와 레이져 빔을 수신하기 위하여 제1실행 가능성을 가지는 제1광학 프로브; 제1실행 능력과 실제로 동일한 제2실행능력을 가지며 제2빔 강도를 가지는 제2투과 빔을 만들기 위하여 제1투과 빔을 수신하기 위한 제2광학 프로브; 제2투과 빔을 변환된 강도를 가지는 전기 신호로 변환하기 위한 광전기 컨버터; 피드백 제어 신호를 만들기 위한 전기 신호를 수신하기 위한 피드백 제어장치; 피드백 제어신호를 수신하기 위한 수신 장치; 그리고, 제2빔의 강도가 입력크기에도 불구하고 일정한 빔의 강도와 동일하도록 피드백 제어 신호에 응답하여 제2광학 프로브를 제어하기 위한 광학 프로브 제어장치를 포함하는 것을 특징으로 하는 수신 시스템.※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1994-16239 | 1994-02-10 | ||
JP01623994A JP3378969B2 (ja) | 1994-02-10 | 1994-02-10 | 受信システム |
Publications (2)
Publication Number | Publication Date |
---|---|
KR950035158A true KR950035158A (ko) | 1995-12-30 |
KR100270494B1 KR100270494B1 (ko) | 2000-11-01 |
Family
ID=11911015
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019950002306A Expired - Fee Related KR100270494B1 (ko) | 1994-02-10 | 1995-02-09 | 넓은 다이나믹 범위를 가지는 수신 시스템 |
Country Status (6)
Country | Link |
---|---|
US (1) | US5687018A (ko) |
EP (1) | EP0668670A1 (ko) |
JP (1) | JP3378969B2 (ko) |
KR (1) | KR100270494B1 (ko) |
CN (1) | CN1070664C (ko) |
CA (1) | CA2139092C (ko) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000241778A (ja) | 1999-02-19 | 2000-09-08 | Fujitsu Ltd | 光通信装置および光分岐・挿入装置 |
US6479979B1 (en) * | 1999-07-09 | 2002-11-12 | Srico, Inc. | Opto-electric device for measuring the root-mean-square value of an alternating current voltage |
US6871084B1 (en) | 2000-07-03 | 2005-03-22 | Srico, Inc. | High-impedance optical electrode |
US7065302B1 (en) | 2000-09-15 | 2006-06-20 | Lockheed Martin Corporation | High efficiency optical feedback modulator and method of operation |
JP4110733B2 (ja) * | 2000-11-24 | 2008-07-02 | 沖電気工業株式会社 | 音声パケット通信の品質評価システム |
JP5068443B2 (ja) | 2005-10-20 | 2012-11-07 | ルネサスエレクトロニクス株式会社 | 光結合装置 |
CN101582220B (zh) * | 2008-05-13 | 2013-04-17 | 北京中视中科光电技术有限公司 | 用于具有多个激光器的显示系统的控制装置和控制方法 |
JP7607265B2 (ja) * | 2019-08-01 | 2024-12-27 | パナソニックIpマネジメント株式会社 | 光出射デバイス |
US11923901B2 (en) * | 2021-08-20 | 2024-03-05 | Appli Inc. | Electronic devices with high frequency wireless communication capabilities |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1430968A1 (de) * | 1963-11-12 | 1968-11-28 | Duesterloh Gmbh | Seilbahnhaspel mit endlos gefuehrtem Zugmittel und zwei in Wechselwirkung gestelltenBremsvorrichtungen |
US4887900A (en) * | 1987-02-20 | 1989-12-19 | Litton Systems, Inc. | Polarization maintaining fiber interferometer and method for source stabilization |
US5287212A (en) * | 1989-09-07 | 1994-02-15 | Cox Charles H | Optical link |
GB2240228B (en) * | 1990-01-23 | 1993-11-03 | Stc Plc | Optical transmission system. |
DE69133133T2 (de) * | 1990-07-13 | 2003-02-06 | Nippon Electric Co | Intensitätsmodulierte optische Übertragungsvorrichtung |
GB2253962A (en) * | 1991-03-21 | 1992-09-23 | Stc Plc | Optical transmitter modulation |
GB2254746B (en) * | 1991-04-12 | 1995-03-29 | Northern Telecom Europ Ltd | Optical transmitter |
US5225922A (en) * | 1991-11-21 | 1993-07-06 | At&T Bell Laboratories | Optical transmission system equalizer |
DE4309682A1 (de) * | 1993-03-25 | 1994-09-29 | Htw Dresden | Anordnung zur Frequenzhubregelung im Sender eines FSK-Systems |
-
1994
- 1994-02-10 JP JP01623994A patent/JP3378969B2/ja not_active Expired - Fee Related
-
1995
- 1995-02-03 EP EP95101512A patent/EP0668670A1/en not_active Withdrawn
- 1995-02-06 CA CA002139092A patent/CA2139092C/en not_active Expired - Fee Related
- 1995-02-09 KR KR1019950002306A patent/KR100270494B1/ko not_active Expired - Fee Related
- 1995-02-10 CN CN95101809A patent/CN1070664C/zh not_active Expired - Fee Related
-
1996
- 1996-03-12 US US08/614,335 patent/US5687018A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
CA2139092A1 (en) | 1995-08-11 |
JP3378969B2 (ja) | 2003-02-17 |
KR100270494B1 (ko) | 2000-11-01 |
US5687018A (en) | 1997-11-11 |
EP0668670A1 (en) | 1995-08-23 |
CN1123493A (zh) | 1996-05-29 |
JPH07226715A (ja) | 1995-08-22 |
CA2139092C (en) | 2000-07-18 |
CN1070664C (zh) | 2001-09-05 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PA0109 | Patent application |
Patent event code: PA01091R01D Comment text: Patent Application Patent event date: 19950209 |
|
PG1501 | Laying open of application | ||
A201 | Request for examination | ||
PA0201 | Request for examination |
Patent event code: PA02012R01D Patent event date: 19970830 Comment text: Request for Examination of Application Patent event code: PA02011R01I Patent event date: 19950209 Comment text: Patent Application |
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PE0902 | Notice of grounds for rejection |
Comment text: Notification of reason for refusal Patent event date: 19991029 Patent event code: PE09021S01D |
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PE0701 | Decision of registration |
Patent event code: PE07011S01D Comment text: Decision to Grant Registration Patent event date: 20000612 |
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Comment text: Registration of Establishment Patent event date: 20000802 Patent event code: PR07011E01D |
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Payment date: 20000803 End annual number: 3 Start annual number: 1 |
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