DE69624680D1 - AM/FM Umsetzer und Lichtwellensignalübertragungssystem - Google Patents
AM/FM Umsetzer und LichtwellensignalübertragungssystemInfo
- Publication number
- DE69624680D1 DE69624680D1 DE69624680T DE69624680T DE69624680D1 DE 69624680 D1 DE69624680 D1 DE 69624680D1 DE 69624680 T DE69624680 T DE 69624680T DE 69624680 T DE69624680 T DE 69624680T DE 69624680 D1 DE69624680 D1 DE 69624680D1
- Authority
- DE
- Germany
- Prior art keywords
- converter
- signal transmission
- transmission system
- wave signal
- light wave
- 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
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/22—Adaptations for optical transmission
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Optical Communication System (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8409396 | 1996-04-05 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69624680D1 true DE69624680D1 (de) | 2002-12-12 |
DE69624680T2 DE69624680T2 (de) | 2003-09-18 |
Family
ID=13820905
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69624680T Expired - Lifetime DE69624680T2 (de) | 1996-04-05 | 1996-06-24 | AM/FM Umsetzer und Lichtwellensignalübertragungssystem |
Country Status (3)
Country | Link |
---|---|
US (1) | US5896216A (de) |
EP (1) | EP0800315B1 (de) |
DE (1) | DE69624680T2 (de) |
Families Citing this family (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3003575B2 (ja) * | 1996-06-28 | 2000-01-31 | 日本電気株式会社 | サブキャリア多重信号の光伝送方法と光伝送装置 |
JPH1174847A (ja) | 1997-08-28 | 1999-03-16 | Matsushita Electric Ind Co Ltd | Fm変調装置 |
WO1999035767A2 (en) * | 1997-12-31 | 1999-07-15 | Koninklijke Philips Electronics N.V. | High power optical receiver |
JPH11261494A (ja) * | 1998-03-09 | 1999-09-24 | Fujitsu Ltd | 光ヘテロダイン型fm変調器 |
US6330092B1 (en) * | 1998-05-08 | 2001-12-11 | Agilent Technologies, Inc. | Polarization based differential receiver for reduction of background in free-space optical links |
US6373611B1 (en) * | 1998-06-22 | 2002-04-16 | Scientific-Atlanta, Inc. | Digital optical transmitter |
US6546557B1 (en) * | 1998-10-13 | 2003-04-08 | General Instrument Corporation | Method and system for enhancing digital video transmission to a set-top box |
US6512619B1 (en) * | 1999-01-19 | 2003-01-28 | Matsushita Electric Industrial Co., Ltd. | Frequency modulation apparatus |
US6359716B1 (en) * | 1999-02-24 | 2002-03-19 | Massachusetts Institute Of Technology | All-optical analog FM optical receiver |
US6643470B1 (en) * | 1999-10-01 | 2003-11-04 | Matsushita Electric Industrial Co., Ltd. | FM signal converter, FM signal optical transmitter and FM signal optical receiver |
JP3338013B2 (ja) | 2000-01-12 | 2002-10-28 | 松下電器産業株式会社 | 光伝送システム及びこのシステムに用いる光送信装置 |
JP3467507B2 (ja) * | 2000-06-22 | 2003-11-17 | 独立行政法人通信総合研究所 | 光搬送波を用いた高周波信号伝送方法および高周波信号伝送装置 |
JP2002368542A (ja) * | 2001-06-12 | 2002-12-20 | Matsushita Electric Ind Co Ltd | 広帯域fm復調器、及び広帯域fm復調器を用いた光受信装置並びに光伝送システム |
JP3970303B2 (ja) * | 2003-07-11 | 2007-09-05 | 日本電信電話株式会社 | 光信号送信機 |
EP1667346B1 (de) * | 2003-09-08 | 2012-04-11 | Nippon Telegraph And Telephone Corporation | Optischesignalempfangsvorrichtung und optisches signal übertragungssystem |
JP4224721B2 (ja) * | 2003-12-24 | 2009-02-18 | 日本電気株式会社 | 無線通信装置 |
US10419120B2 (en) * | 2016-07-22 | 2019-09-17 | Lockheed Martin Corporation | Phased-array coherent transceiver |
CN106772837B (zh) * | 2017-01-03 | 2018-07-13 | 中国科学院上海光学精密机械研究所 | 光束耦合的光轴稳定装置 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH07104547B2 (ja) * | 1988-02-08 | 1995-11-13 | キヤノン株式会社 | モータ駆動カメラ |
US5060312A (en) * | 1990-03-05 | 1991-10-22 | At&T Bell Laboratories | Polarization independent coherent lightwave detection arrangement |
US5212579A (en) * | 1991-03-11 | 1993-05-18 | General Instrument Corporation | Method and apparatus for communicating amplitude modulated signals over an optical communication path |
GB2264834A (en) * | 1992-02-25 | 1993-09-08 | Northern Telecom Ltd | Optical transmission system |
DE4234599A1 (de) * | 1992-08-22 | 1994-02-24 | Sel Alcatel Ag | Optischer Sender |
-
1996
- 1996-06-24 EP EP96401389A patent/EP0800315B1/de not_active Expired - Lifetime
- 1996-06-24 DE DE69624680T patent/DE69624680T2/de not_active Expired - Lifetime
- 1996-06-25 US US08/671,819 patent/US5896216A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP0800315A2 (de) | 1997-10-08 |
US5896216A (en) | 1999-04-20 |
EP0800315B1 (de) | 2002-11-06 |
DE69624680T2 (de) | 2003-09-18 |
EP0800315A3 (de) | 1998-04-01 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition |