DE69321710D1 - Antennensystem mit eigenständiger heterodyn-distanzoptik - Google Patents
Antennensystem mit eigenständiger heterodyn-distanzoptikInfo
- Publication number
- DE69321710D1 DE69321710D1 DE69321710T DE69321710T DE69321710D1 DE 69321710 D1 DE69321710 D1 DE 69321710D1 DE 69321710 T DE69321710 T DE 69321710T DE 69321710 T DE69321710 T DE 69321710T DE 69321710 D1 DE69321710 D1 DE 69321710D1
- Authority
- DE
- Germany
- Prior art keywords
- heterodyn
- independent
- antenna system
- distance optics
- optics
- 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 - Fee Related
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
- H01Q3/26—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture
- H01Q3/2676—Optically controlled phased array
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/985,821 US5355381A (en) | 1992-12-03 | 1992-12-03 | Self-heterodyne optical fiber communications system |
PCT/US1993/011756 WO1994014209A2 (en) | 1992-12-03 | 1993-12-03 | Optical self-heterodyne remote antenna system |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69321710D1 true DE69321710D1 (de) | 1998-11-26 |
DE69321710T2 DE69321710T2 (de) | 1999-04-15 |
Family
ID=25531828
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69321710T Expired - Fee Related DE69321710T2 (de) | 1992-12-03 | 1993-12-03 | Antennensystem mit eigenständiger heterodyn-distanzoptik |
Country Status (5)
Country | Link |
---|---|
US (1) | US5355381A (de) |
EP (1) | EP0629316B1 (de) |
JP (1) | JPH07503596A (de) |
DE (1) | DE69321710T2 (de) |
WO (1) | WO1994014209A2 (de) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2286937B (en) * | 1994-02-26 | 1998-06-10 | Northern Telecom Ltd | Spectral polarisation separator |
DE4444218A1 (de) * | 1994-12-13 | 1996-06-27 | Sel Alcatel Ag | Optische Sendeeinrichtung für ein optisches Nachrichtenübertragungssystem in Verbindung mit einem Funksystem |
GB9623558D0 (en) * | 1996-11-12 | 1997-01-08 | Secr Defence | Antenna array |
DE19737482A1 (de) | 1997-08-28 | 1999-03-04 | Alsthom Cge Alcatel | Verfahren zur optischen Übertragung über ein Lichtwellenleiternetz, sowie optisches Übertragungsnetz |
US6169832B1 (en) * | 1998-06-17 | 2001-01-02 | The United States Of America As Represented By The Secretary Of The Navy | System for generating a wavelength stabilized output from a superluminescent diode |
US6342960B1 (en) * | 1998-12-18 | 2002-01-29 | The Boeing Company | Wavelength division multiplex transmitter |
US6490070B1 (en) * | 2000-07-28 | 2002-12-03 | Terabeam Corporation | Method and apparatus for polarization tracking in wireless optical communication systems |
US20180149584A1 (en) * | 2016-11-29 | 2018-05-31 | Carol Y. Scarlett | Circular birefringence identification of materials |
CN112909539B (zh) * | 2021-01-20 | 2022-02-22 | 西安交通大学 | 一种毫米波频率极化双随机多端口聚束天线 |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4545075A (en) * | 1981-11-18 | 1985-10-01 | Times Fiber Communications, Inc. | Satellite block transmission using wideband fiber optic links |
CA1251846A (en) * | 1983-09-26 | 1989-03-28 | Masataka Shirasaki | Laser light source device |
US4726011A (en) * | 1985-04-08 | 1988-02-16 | Itt Defense Communications, A Division Of Itt Corporation | Coherent optical fiber communication with frequency-division-multiplexing |
IT1189657B (it) * | 1986-04-10 | 1988-02-04 | Cselt Centro Studi Lab Telecom | Sistema di trasmissione in fibra ottica a modulazione di polarizzazione e rivelazione coerente eterodina |
US4973169A (en) * | 1987-06-24 | 1990-11-27 | Martin Marietta Corporation | Method and apparatus for securing information communicated through optical fibers |
US5042086A (en) * | 1988-11-16 | 1991-08-20 | Dylor Corporation | Method and means for transmitting large dynamic analog signals in optical fiber systems |
FR2658367B1 (fr) * | 1990-02-13 | 1992-06-05 | Sagem | Laser fournissant deux ondes a des frequences differentes. |
US5091913A (en) * | 1990-04-10 | 1992-02-25 | Tsinghua Unversity | Quartz crystal tuning he-ne double frequency laser |
DE4109067A1 (de) * | 1991-03-20 | 1992-09-24 | Dornier Gmbh | Vorrichtung zur ansteuerung einer aktiven antenne |
US5222089A (en) * | 1992-01-08 | 1993-06-22 | General Instrument Corporation | Optical signal source for overcoming distortion generated by an optical amplifier |
DE4216065C2 (de) * | 1992-05-15 | 2002-01-03 | Daimlerchrysler Aerospace Ag | Verfahren zur Analog/Digitalwandlung von Mikrowellensignalen |
-
1992
- 1992-12-03 US US07/985,821 patent/US5355381A/en not_active Expired - Lifetime
-
1993
- 1993-12-03 EP EP94912732A patent/EP0629316B1/de not_active Expired - Lifetime
- 1993-12-03 DE DE69321710T patent/DE69321710T2/de not_active Expired - Fee Related
- 1993-12-03 WO PCT/US1993/011756 patent/WO1994014209A2/en active IP Right Grant
- 1993-12-03 JP JP6514275A patent/JPH07503596A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
WO1994014209A2 (en) | 1994-06-23 |
JPH07503596A (ja) | 1995-04-13 |
EP0629316A1 (de) | 1994-12-21 |
US5355381A (en) | 1994-10-11 |
WO1994014209A3 (en) | 1994-08-04 |
DE69321710T2 (de) | 1999-04-15 |
EP0629316B1 (de) | 1998-10-21 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |