ATE138479T1 - Optische messeinrichtung für verschiebung - Google Patents
Optische messeinrichtung für verschiebungInfo
- Publication number
- ATE138479T1 ATE138479T1 AT92307396T AT92307396T ATE138479T1 AT E138479 T1 ATE138479 T1 AT E138479T1 AT 92307396 T AT92307396 T AT 92307396T AT 92307396 T AT92307396 T AT 92307396T AT E138479 T1 ATE138479 T1 AT E138479T1
- Authority
- AT
- Austria
- Prior art keywords
- image
- fourier
- modulating
- coherent light
- timings
- Prior art date
Links
- 238000006073 displacement reaction Methods 0.000 title abstract 5
- 230000003287 optical effect Effects 0.000 title abstract 2
- 230000001427 coherent effect Effects 0.000 abstract 4
- 230000009466 transformation Effects 0.000 abstract 2
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P3/00—Measuring linear or angular speed; Measuring differences of linear or angular speeds
- G01P3/64—Devices characterised by the determination of the time taken to traverse a fixed distance
- G01P3/80—Devices characterised by the determination of the time taken to traverse a fixed distance using auto-correlation or cross-correlation detection means
- G01P3/806—Devices characterised by the determination of the time taken to traverse a fixed distance using auto-correlation or cross-correlation detection means in devices of the type to be classified in G01P3/68
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P3/00—Measuring linear or angular speed; Measuring differences of linear or angular speeds
- G01P3/36—Devices characterised by the use of optical means, e.g. using infrared, visible, or ultraviolet light
- G01P3/366—Devices characterised by the use of optical means, e.g. using infrared, visible, or ultraviolet light by using diffraction of light
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Electromagnetism (AREA)
- Power Engineering (AREA)
- Length Measuring Devices By Optical Means (AREA)
- Measurement Of Optical Distance (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3226459A JP2538456B2 (ja) | 1991-08-12 | 1991-08-12 | 光学的変位量測定装置 |
Publications (1)
Publication Number | Publication Date |
---|---|
ATE138479T1 true ATE138479T1 (de) | 1996-06-15 |
Family
ID=16845431
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT92307396T ATE138479T1 (de) | 1991-08-12 | 1992-08-12 | Optische messeinrichtung für verschiebung |
Country Status (5)
Country | Link |
---|---|
US (1) | US5361131A (de) |
EP (1) | EP0532182B1 (de) |
JP (1) | JP2538456B2 (de) |
AT (1) | ATE138479T1 (de) |
DE (1) | DE69210923T2 (de) |
Families Citing this family (33)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6454761B1 (en) | 1995-01-30 | 2002-09-24 | Philip D. Freedman | Laser surgery device and method |
DE19527540C2 (de) * | 1995-07-27 | 1998-09-10 | Siemens Ag | Optischer Korrelator und Verfahren zur Korrelation optischer Signale |
US5684588A (en) * | 1996-10-04 | 1997-11-04 | United States Of America As Represented By The Secretary Of The Air Force | Homodyne and hetrodyne imaging in a light scattering medium |
US6303986B1 (en) | 1998-07-29 | 2001-10-16 | Silicon Light Machines | Method of and apparatus for sealing an hermetic lid to a semiconductor die |
US6728008B1 (en) | 1998-09-04 | 2004-04-27 | Kabushiki Kaisha Toshiba | Method for diagnosing optical devices installed in image reading apparatus and image forming apparatus |
JP3737292B2 (ja) * | 1998-10-13 | 2006-01-18 | パイオニア株式会社 | 光変調装置及び光学的情報処理システム |
US6323984B1 (en) * | 2000-10-11 | 2001-11-27 | Silicon Light Machines | Method and apparatus for reducing laser speckle |
US6697501B2 (en) * | 2000-11-30 | 2004-02-24 | Vansco Electronics Ltd. | Method for detecting velocity or displacement of an object over a surface by analyzing images of the surface |
US6707591B2 (en) | 2001-04-10 | 2004-03-16 | Silicon Light Machines | Angled illumination for a single order light modulator based projection system |
US6782205B2 (en) | 2001-06-25 | 2004-08-24 | Silicon Light Machines | Method and apparatus for dynamic equalization in wavelength division multiplexing |
US6747781B2 (en) | 2001-06-25 | 2004-06-08 | Silicon Light Machines, Inc. | Method, apparatus, and diffuser for reducing laser speckle |
US6829092B2 (en) | 2001-08-15 | 2004-12-07 | Silicon Light Machines, Inc. | Blazed grating light valve |
US6800238B1 (en) | 2002-01-15 | 2004-10-05 | Silicon Light Machines, Inc. | Method for domain patterning in low coercive field ferroelectrics |
US6767751B2 (en) | 2002-05-28 | 2004-07-27 | Silicon Light Machines, Inc. | Integrated driver process flow |
US6728023B1 (en) | 2002-05-28 | 2004-04-27 | Silicon Light Machines | Optical device arrays with optimized image resolution |
US6822797B1 (en) | 2002-05-31 | 2004-11-23 | Silicon Light Machines, Inc. | Light modulator structure for producing high-contrast operation using zero-order light |
US6829258B1 (en) | 2002-06-26 | 2004-12-07 | Silicon Light Machines, Inc. | Rapidly tunable external cavity laser |
US6813059B2 (en) | 2002-06-28 | 2004-11-02 | Silicon Light Machines, Inc. | Reduced formation of asperities in contact micro-structures |
US6714337B1 (en) | 2002-06-28 | 2004-03-30 | Silicon Light Machines | Method and device for modulating a light beam and having an improved gamma response |
US6801354B1 (en) | 2002-08-20 | 2004-10-05 | Silicon Light Machines, Inc. | 2-D diffraction grating for substantially eliminating polarization dependent losses |
US6712480B1 (en) | 2002-09-27 | 2004-03-30 | Silicon Light Machines | Controlled curvature of stressed micro-structures |
US6829077B1 (en) | 2003-02-28 | 2004-12-07 | Silicon Light Machines, Inc. | Diffractive light modulator with dynamically rotatable diffraction plane |
JP4014535B2 (ja) * | 2003-04-25 | 2007-11-28 | シャープ株式会社 | 光学式移動量検出装置及び電子機器及び搬送処理システム |
JP2007510963A (ja) * | 2003-11-10 | 2007-04-26 | テクノロジー イノヴェイションズ リミテッド ライアビリティ カンパニー | デジタル画像化組立品、及びその方法 |
JP2006349534A (ja) * | 2005-06-16 | 2006-12-28 | Fujinon Corp | 動体測定用干渉計装置および動体測定用光干渉計測方法 |
TWI402721B (zh) * | 2009-12-03 | 2013-07-21 | Chung Shan Inst Of Science | 光斑定位方法及光斑定位系統 |
TWI492622B (zh) * | 2011-08-31 | 2015-07-11 | Realtek Semiconductor Corp | 網路訊號接收系統與網路訊號接收方法 |
JP5927837B2 (ja) * | 2011-10-20 | 2016-06-01 | 株式会社リコー | 速度検出装置、移動部材搬送ユニット、及び、画像形成装置 |
BR112014030875A2 (pt) * | 2012-06-13 | 2017-06-27 | Koninklijke Philips Nv | aparelho de determinação de velocidade de propagação de uma onda de superfície; e método de determinação de elocidade de propagação de uma onda de superfície |
KR102067763B1 (ko) * | 2013-03-13 | 2020-01-17 | 삼성전자주식회사 | 공간 광변조기, 이를 포함한 홀로그래피 영상 표시 장치 및 공간 광변조 방법 |
JP2019507871A (ja) * | 2016-02-25 | 2019-03-22 | コンティンユーズ バイオメトリクス リミテッドContinUse Biometrics Ltd. | 動く対象のパラメータをモニタする方法およびシステム |
IL278987A (en) * | 2019-12-05 | 2021-06-30 | Continuse Biometrics Ltd | System and method for passively monitoring a sample |
CN114136229B (zh) * | 2021-12-01 | 2023-09-19 | 上海市计量测试技术研究院 | 一种一维psd传感器量程拼接的设计方法 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57187605A (en) * | 1981-05-14 | 1982-11-18 | Ricoh Co Ltd | Measuring device for optical movement distance |
JPS59212773A (ja) * | 1983-05-19 | 1984-12-01 | Toshiba Corp | 光学的速度検出装置 |
DE3729648A1 (de) * | 1987-09-04 | 1989-03-16 | Deutsche Forsch Luft Raumfahrt | Verfahren und vorrichtung zur messung der stroemungsgeschwindigkeit in windkanaelen |
US5011278A (en) * | 1989-04-25 | 1991-04-30 | Wisconsin Alumni Research Foundation | Optical correlator method and apparatus for particle image velocimetry processing |
JP2744494B2 (ja) * | 1989-12-04 | 1998-04-28 | 住友大阪セメント株式会社 | スペックル利用測定装置 |
-
1991
- 1991-08-12 JP JP3226459A patent/JP2538456B2/ja not_active Expired - Fee Related
-
1992
- 1992-08-12 US US07/928,303 patent/US5361131A/en not_active Expired - Fee Related
- 1992-08-12 AT AT92307396T patent/ATE138479T1/de not_active IP Right Cessation
- 1992-08-12 EP EP92307396A patent/EP0532182B1/de not_active Expired - Lifetime
- 1992-08-12 DE DE69210923T patent/DE69210923T2/de not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
JP2538456B2 (ja) | 1996-09-25 |
EP0532182B1 (de) | 1996-05-22 |
JPH0642916A (ja) | 1994-02-18 |
EP0532182A1 (de) | 1993-03-17 |
US5361131A (en) | 1994-11-01 |
DE69210923D1 (de) | 1996-06-27 |
DE69210923T2 (de) | 1996-11-28 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
RER | Ceased as to paragraph 5 lit. 3 law introducing patent treaties |