DE68914906D1 - Geschwindigkeitsmesser mit Halbleiterlaser. - Google Patents
Geschwindigkeitsmesser mit Halbleiterlaser.Info
- Publication number
- DE68914906D1 DE68914906D1 DE68914906T DE68914906T DE68914906D1 DE 68914906 D1 DE68914906 D1 DE 68914906D1 DE 68914906 T DE68914906 T DE 68914906T DE 68914906 T DE68914906 T DE 68914906T DE 68914906 D1 DE68914906 D1 DE 68914906D1
- Authority
- DE
- Germany
- Prior art keywords
- speedometer
- semiconductor laser
- laser
- semiconductor
- 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S17/00—Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
- G01S17/02—Systems using the reflection of electromagnetic waves other than radio waves
- G01S17/50—Systems of measurement based on relative movement of target
- G01S17/58—Velocity or trajectory determination systems; Sense-of-movement determination systems
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/48—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S17/00
- G01S7/499—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S17/00 using polarisation effects
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Computer Networks & Wireless Communication (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Electromagnetism (AREA)
- Optical Radar Systems And Details Thereof (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/232,406 US4919532A (en) | 1988-08-15 | 1988-08-15 | High accuracy semiconductor laser doppler velocimeter |
Publications (2)
Publication Number | Publication Date |
---|---|
DE68914906D1 true DE68914906D1 (de) | 1994-06-01 |
DE68914906T2 DE68914906T2 (de) | 1994-09-22 |
Family
ID=22872964
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE68914906T Expired - Lifetime DE68914906T2 (de) | 1988-08-15 | 1989-08-11 | Geschwindigkeitsmesser mit Halbleiterlaser. |
Country Status (3)
Country | Link |
---|---|
US (1) | US4919532A (de) |
EP (1) | EP0355018B1 (de) |
DE (1) | DE68914906T2 (de) |
Families Citing this family (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB8807385D0 (en) * | 1988-03-29 | 1988-05-05 | British Telecomm | Semiconductor device assembly |
US5594543A (en) * | 1990-01-16 | 1997-01-14 | Hughes Danbury Optical Systems, Inc. | Laser diode radar with extended range |
DE9011381U1 (de) * | 1990-08-03 | 1990-11-29 | Mesacon Gesellschaft für Meßtechnik mbH, 4600 Dortmund | Optisches Gerät, insbesondere zur Messung der Geschwindigkeit einer bewegten Oberfläche mittels eines Lasermeßlichtstrahls |
US5691989A (en) * | 1991-07-26 | 1997-11-25 | Accuwave Corporation | Wavelength stabilized laser sources using feedback from volume holograms |
US5335098A (en) * | 1991-07-26 | 1994-08-02 | Accuwave Corporation | Fixing method for narrow bandwidth volume holograms in photorefractive materials |
US5440669A (en) * | 1991-07-26 | 1995-08-08 | Accuwave Corporation | Photorefractive systems and methods |
JPH06509429A (ja) * | 1991-07-26 | 1994-10-20 | アキュウェーブ コーポレーション | 光屈折性システムおよび方法 |
US5796096A (en) * | 1991-07-26 | 1998-08-18 | Accuwave Corporation | Fabrication and applications of long-lifetime, holographic gratings in photorefractive materials |
US5491570A (en) * | 1991-07-26 | 1996-02-13 | Accuwave Corporation | Methods and devices for using photorefractive materials at infrared wavelengths |
US5272351A (en) * | 1992-01-13 | 1993-12-21 | Hercules Incorporated | Differential polarization LADAR |
FR2707761B1 (fr) * | 1993-07-16 | 1995-09-01 | Thomson Csf | Vélocimètre à hologramme dynamique. |
US5838439A (en) * | 1997-03-14 | 1998-11-17 | Zang; De Yu | Heterodyned self-mixing laser diode vibrometer |
ES2140320B1 (es) * | 1997-09-25 | 2000-10-16 | Univ Catalunya Politecnica | Sistema lidar coherente monoestatico de baja potencia para medida de velocidad lineal y de rotacion de blancos solidos. |
AU2455699A (en) * | 1998-01-12 | 1999-07-26 | Board Of Regents, The University Of Texas System | Modulated filtered rayleigh scattering |
GB2336050B (en) * | 1998-03-31 | 2003-03-26 | Marconi Gec Ltd | Improvements in or relating to remote air detection |
ES2154591B1 (es) * | 1999-05-26 | 2002-03-16 | Univ Catalunya Politecnica | Sistema lidar coherente monoestatico con deteccion heterodina (slcm-h) de baja potencia para medida de velocidad lineal y de rotacion de blancos solidos. |
US6437855B1 (en) * | 2000-07-13 | 2002-08-20 | Honeywell International Inc. | Laser doppler velocimeter with high immunity to phase noise |
US6844537B2 (en) * | 2001-12-31 | 2005-01-18 | Honeywell International Inc. | Method and device for measuring the velocity of a moving surface |
US7126586B2 (en) * | 2004-09-17 | 2006-10-24 | Microsoft Corporation | Data input devices and methods for detecting movement of a tracking surface by detecting laser doppler self-mixing effects of a frequency modulated laser light beam |
US7540400B2 (en) * | 2006-01-06 | 2009-06-02 | Staples The Office Superstore, Llc | Stapler having a moveable strike plate with lockout mechanism |
US7450222B1 (en) | 2007-07-02 | 2008-11-11 | The United States Of America As Represented By The United States Department Of Energy | Correlated-intensity velocimeter for arbitrary reflector |
WO2019224601A2 (en) * | 2018-05-24 | 2019-11-28 | Panasonic intellectual property Management co., Ltd | Exchangeable laser resonator modules with angular adjustment |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3546620A (en) * | 1967-01-26 | 1970-12-08 | Us Navy | Scanning fabry-perot laser "q" switch |
JPS6043680B2 (ja) * | 1979-09-21 | 1985-09-30 | 日本電信電話株式会社 | 温度安定化レ−ザ装置 |
US4611912A (en) * | 1983-04-04 | 1986-09-16 | Ball Corporation | Method and apparatus for optically measuring distance and velocity |
JPS60193742A (ja) * | 1984-03-15 | 1985-10-02 | Tokai Rika Co Ltd | 自動車用アウタ−ミラ− |
US4643575A (en) * | 1984-09-04 | 1987-02-17 | Raytheon Company | Fizeau interferometer |
US4738531A (en) * | 1986-01-23 | 1988-04-19 | Westinghouse Electric Corp. | Distributed antenna array location apparatus |
US4805185A (en) * | 1986-03-04 | 1989-02-14 | The United States Of America As Represented By The Secretary Of The Air Force | Triple cavity laser |
-
1988
- 1988-08-15 US US07/232,406 patent/US4919532A/en not_active Expired - Lifetime
-
1989
- 1989-08-11 EP EP89114864A patent/EP0355018B1/de not_active Expired - Lifetime
- 1989-08-11 DE DE68914906T patent/DE68914906T2/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP0355018A2 (de) | 1990-02-21 |
EP0355018A3 (en) | 1990-08-01 |
EP0355018B1 (de) | 1994-04-27 |
DE68914906T2 (de) | 1994-09-22 |
US4919532A (en) | 1990-04-24 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition |