IN165491B - - Google Patents
Info
- Publication number
- IN165491B IN165491B IN6/BOM/87A IN6BO1987A IN165491B IN 165491 B IN165491 B IN 165491B IN 6BO1987 A IN6BO1987 A IN 6BO1987A IN 165491 B IN165491 B IN 165491B
- Authority
- IN
- India
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
- 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
- G01S7/481—Constructional features, e.g. arrangements of optical elements
- G01S7/4811—Constructional features, e.g. arrangements of optical elements common to transmitter and receiver
- G01S7/4812—Constructional features, e.g. arrangements of optical elements common to transmitter and receiver transmitted and received beams following a coaxial path
-
- 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
- G01S17/06—Systems determining position data of a target
- G01S17/08—Systems determining position data of a target for measuring distance only
-
- 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
- G01S7/497—Means for monitoring or calibrating
- G01S7/4972—Alignment of sensor
-
- 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)
- Investigating Or Analysing Materials By Optical Means (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB868600202A GB8600202D0 (en) | 1986-01-06 | 1986-01-06 | Apparatus for distance measurement |
GB868604427A GB8604427D0 (en) | 1986-02-22 | 1986-02-22 | Applying polarisation modulated light beam |
Publications (1)
Publication Number | Publication Date |
---|---|
IN165491B true IN165491B (de) | 1989-11-04 |
Family
ID=26290176
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IN6/BOM/87A IN165491B (de) | 1986-01-06 | 1987-01-06 |
Country Status (6)
Country | Link |
---|---|
US (1) | US4786176A (de) |
EP (1) | EP0230345A1 (de) |
CN (1) | CN87100630A (de) |
DK (1) | DK4787A (de) |
IN (1) | IN165491B (de) |
WO (1) | WO1987004257A1 (de) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01198478A (ja) * | 1988-02-01 | 1989-08-10 | Canon Inc | マイクロ波プラズマcvd装置 |
US4922307A (en) * | 1988-06-30 | 1990-05-01 | Hughes Aircraft Company | Method and apparatus for improving the measuring accuracy of a micrometer |
US5374991A (en) * | 1991-03-29 | 1994-12-20 | Gradient Lens Corporation | Compact distance measuring interferometer |
US5194747A (en) * | 1991-10-21 | 1993-03-16 | Midland Manufacturing Corp. | Liquid level gauge comparing moldulations of incident and reflected loser beams |
US5302835A (en) * | 1993-03-22 | 1994-04-12 | Imra America, Inc. | Light detection system having a polarization plane rotating means and a polarizing beamsplitter |
US5483347A (en) * | 1993-05-19 | 1996-01-09 | Hughes Aircraft Company | Non-contact measurement apparatus using bifurcated optical fiber bundle with intermixed fibers |
JP3483303B2 (ja) * | 1994-06-21 | 2004-01-06 | 株式会社トプコン | 回転レーザ装置 |
US5822047A (en) * | 1995-08-29 | 1998-10-13 | The United States Of America As Represented By The Secretary Of The Navy | Modulator LIDAR system |
FR2769992B1 (fr) * | 1997-10-21 | 2000-01-28 | Thomson Csf | Dispositif optique a modulation de polarisation pour la mesure de distance et/ou de vitesse d'objet |
JP4170298B2 (ja) * | 2005-01-31 | 2008-10-22 | 富士通株式会社 | 差分4位相偏移変調方式に対応した光受信器および光受信方法 |
JP6192890B2 (ja) * | 2011-11-25 | 2017-09-06 | 東芝三菱電機産業システム株式会社 | 表面電位分布計測装置および表面電位分布計測方法 |
US10119816B2 (en) | 2012-11-21 | 2018-11-06 | Nikon Metrology Nv | Low drift reference for laser radar |
US9638799B2 (en) | 2012-11-21 | 2017-05-02 | Nikon Corporation | Scan mirrors for laser radar |
US9618619B2 (en) | 2012-11-21 | 2017-04-11 | Nikon Corporation | Radar systems with dual fiber coupled lasers |
KR101787483B1 (ko) | 2016-02-16 | 2017-10-18 | 주식회사 이오테크닉스 | 레이저 펄스 제어 장치 및 레이저 펄스 제어 방법 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA760620A (en) * | 1967-06-06 | F. Walker Donald | Distance measuring apparatus using laser beams | |
CH301849A (de) * | 1951-04-28 | 1954-09-30 | Gasaccumulator Svenska Ab | Entfernungsmessgerät, bei dem eine modulierte Welle ausgesandt und nach Zurücklegen der zu messenden Entfernung empfangen wird. |
GB1104021A (en) * | 1963-11-11 | 1968-02-21 | Nat Res Dev | Distance measuring apparatus |
FR1469533A (fr) * | 1965-12-17 | 1967-02-17 | Thomson Houston Comp Francaise | Procédé et dispositifs de mesure en lumière modulée d'une longueur relativement importante |
GB1156548A (en) * | 1966-12-01 | 1969-06-25 | Nat Res Dev | Improvements in or relating to Distance Measurement |
US3779645A (en) * | 1970-05-20 | 1973-12-18 | Nippon Kogaku Kk | Distance measuring device |
CH596559A5 (en) * | 1976-10-07 | 1978-03-15 | Kern & Co Ag | Electro=optical distance measuring device with modulated light source |
CH616000A5 (de) * | 1977-08-10 | 1980-02-29 | Kern & Co Ag |
-
1987
- 1987-01-06 EP EP87300059A patent/EP0230345A1/de not_active Withdrawn
- 1987-01-06 WO PCT/GB1987/000001 patent/WO1987004257A1/en unknown
- 1987-01-06 CN CN198787100630A patent/CN87100630A/zh active Pending
- 1987-01-06 IN IN6/BOM/87A patent/IN165491B/en unknown
- 1987-01-06 US US07/000,895 patent/US4786176A/en not_active Expired - Fee Related
- 1987-01-06 DK DK004787A patent/DK4787A/da not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
US4786176A (en) | 1988-11-22 |
CN87100630A (zh) | 1987-12-02 |
WO1987004257A1 (en) | 1987-07-16 |
DK4787A (da) | 1987-07-07 |
EP0230345A1 (de) | 1987-07-29 |
DK4787D0 (da) | 1987-01-06 |
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