FR2780818B1 - Antenne lenticulaire pour un capteur d'ecartement - Google Patents
Antenne lenticulaire pour un capteur d'ecartementInfo
- Publication number
- FR2780818B1 FR2780818B1 FR9908465A FR9908465A FR2780818B1 FR 2780818 B1 FR2780818 B1 FR 2780818B1 FR 9908465 A FR9908465 A FR 9908465A FR 9908465 A FR9908465 A FR 9908465A FR 2780818 B1 FR2780818 B1 FR 2780818B1
- Authority
- FR
- France
- Prior art keywords
- gap sensor
- lenticular antenna
- lenticular
- antenna
- gap
- 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
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q19/00—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic
- H01Q19/06—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using refracting or diffracting devices, e.g. lens
- H01Q19/062—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using refracting or diffracting devices, e.g. lens for focusing
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q15/00—Devices for reflection, refraction, diffraction or polarisation of waves radiated from an antenna, e.g. quasi-optical devices
- H01Q15/02—Refracting or diffracting devices, e.g. lens, prism
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19829554A DE19829554C2 (de) | 1998-07-02 | 1998-07-02 | Antennenlinse für einen Abstandsensor |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2780818A1 FR2780818A1 (fr) | 2000-01-07 |
FR2780818B1 true FR2780818B1 (fr) | 2004-08-06 |
Family
ID=7872741
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR9908465A Expired - Lifetime FR2780818B1 (fr) | 1998-07-02 | 1999-07-01 | Antenne lenticulaire pour un capteur d'ecartement |
Country Status (4)
Country | Link |
---|---|
US (1) | US6266028B1 (fr) |
JP (1) | JP3193357B2 (fr) |
DE (1) | DE19829554C2 (fr) |
FR (1) | FR2780818B1 (fr) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6473051B2 (en) * | 2001-03-13 | 2002-10-29 | Raytheon Company | Elliptic to circular polarization converter and test apparatus incorporating the same for accommodating large axial ratio |
US7113183B1 (en) | 2002-04-25 | 2006-09-26 | Anark Corporation | Methods and systems for real-time, interactive image composition |
US7190324B2 (en) * | 2003-03-31 | 2007-03-13 | Bae Systems Plc | Low-profile lens antenna |
DE102007050998A1 (de) * | 2007-10-25 | 2009-04-30 | Robert Bosch Gmbh | Optische Vorrichtung |
JP5904490B2 (ja) * | 2012-02-15 | 2016-04-13 | 国立大学法人茨城大学 | 人工誘電体レンズ |
JP6334823B2 (ja) * | 2015-06-24 | 2018-05-30 | 三菱電機株式会社 | 回転電機の固定子、回転電機、回転電機の固定子の製造方法、回転電機の製造方法 |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1812695A (en) * | 1926-04-12 | 1931-06-30 | Albert G Harms | Loop aerial |
DE1011944B (de) * | 1955-05-12 | 1957-07-11 | Marconi Wireless Telegraph Co | Wettergeschuetzte Mikrowellenantenne |
US3188642A (en) * | 1959-08-26 | 1965-06-08 | Raytheon Co | Polarization grating for scanning antennas |
US3673606A (en) * | 1969-08-26 | 1972-06-27 | Hazeltine Corp | Flush mounted steerable array antenna |
US3972043A (en) * | 1975-02-03 | 1976-07-27 | Northrop Corporation | Cross-polarizing lens reflector |
AU2305677A (en) * | 1976-04-01 | 1978-09-14 | Raytheon Co | Multibeam antenna |
US4318108A (en) * | 1977-05-02 | 1982-03-02 | Near Field Technology Co. | Bidirectionally focusing antenna |
FR2568062B1 (fr) * | 1984-07-17 | 1986-11-07 | Thomson Alcatel Espace | Antenne bifrequence a meme couverture de zone a polarisation croisee pour satellites de telecommunications |
US5764199A (en) * | 1995-08-28 | 1998-06-09 | Datron/Transco, Inc. | Low profile semi-cylindrical lens antenna on a ground plane |
US5617107A (en) * | 1995-09-01 | 1997-04-01 | Perfect Ten Antenna Co. Inc. | Heated microwave antenna |
DE19644164C2 (de) * | 1996-10-24 | 1999-02-11 | Bosch Gmbh Robert | Kraftfahrzeug-Radarsystem |
DE19724320B4 (de) * | 1997-06-10 | 2008-07-10 | Robert Bosch Gmbh | Verfahren zur Herstellung einer heizbaren Antennenlinse |
-
1998
- 1998-07-02 DE DE19829554A patent/DE19829554C2/de not_active Expired - Lifetime
-
1999
- 1999-06-24 US US09/339,455 patent/US6266028B1/en not_active Expired - Lifetime
- 1999-07-01 FR FR9908465A patent/FR2780818B1/fr not_active Expired - Lifetime
- 1999-07-01 JP JP18792999A patent/JP3193357B2/ja not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
DE19829554A1 (de) | 2000-01-20 |
JP3193357B2 (ja) | 2001-07-30 |
JP2000049529A (ja) | 2000-02-18 |
DE19829554C2 (de) | 2002-08-01 |
FR2780818A1 (fr) | 2000-01-07 |
US6266028B1 (en) | 2001-07-24 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PLFP | Fee payment |
Year of fee payment: 18 |
|
PLFP | Fee payment |
Year of fee payment: 19 |
|
PLFP | Fee payment |
Year of fee payment: 20 |