TW200912354A - Distance/speed meter and distance/speed measurement method - Google Patents
Distance/speed meter and distance/speed measurement method Download PDFInfo
- Publication number
- TW200912354A TW200912354A TW097111868A TW97111868A TW200912354A TW 200912354 A TW200912354 A TW 200912354A TW 097111868 A TW097111868 A TW 097111868A TW 97111868 A TW97111868 A TW 97111868A TW 200912354 A TW200912354 A TW 200912354A
- Authority
- TW
- Taiwan
- Prior art keywords
- distance
- measurement target
- displacement
- state
- speed
- Prior art date
Links
- 238000000691 measurement method Methods 0.000 title abstract description 4
- 238000005259 measurement Methods 0.000 claims abstract description 266
- 239000004065 semiconductor Substances 0.000 claims abstract description 200
- 230000010355 oscillation Effects 0.000 claims abstract description 174
- 230000007423 decrease Effects 0.000 claims abstract description 13
- 238000006073 displacement reaction Methods 0.000 claims description 203
- 230000008859 change Effects 0.000 claims description 34
- 238000010168 coupling process Methods 0.000 claims description 17
- 238000005859 coupling reaction Methods 0.000 claims description 17
- 238000000034 method Methods 0.000 claims description 16
- 230000003247 decreasing effect Effects 0.000 claims description 13
- 230000000694 effects Effects 0.000 claims description 10
- 230000010354 integration Effects 0.000 claims description 2
- 108091008695 photoreceptors Proteins 0.000 claims description 2
- 230000001678 irradiating effect Effects 0.000 claims 1
- 210000002784 stomach Anatomy 0.000 claims 1
- 230000003287 optical effect Effects 0.000 abstract description 7
- 230000002441 reversible effect Effects 0.000 abstract description 2
- 238000006243 chemical reaction Methods 0.000 description 18
- 238000010586 diagram Methods 0.000 description 14
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- 230000009471 action Effects 0.000 description 1
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- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C3/00—Measuring distances in line of sight; Optical rangefinders
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B9/00—Measuring instruments characterised by the use of optical techniques
- G01B9/02—Interferometers
- G01B9/02001—Interferometers characterised by controlling or generating intrinsic radiation properties
- G01B9/02007—Two or more frequencies or sources used for interferometric measurement
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B9/00—Measuring instruments characterised by the use of optical techniques
- G01B9/02—Interferometers
- G01B9/02001—Interferometers characterised by controlling or generating intrinsic radiation properties
- G01B9/02002—Interferometers characterised by controlling or generating intrinsic radiation properties using two or more frequencies
- G01B9/02004—Interferometers characterised by controlling or generating intrinsic radiation properties using two or more frequencies using frequency scans
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B9/00—Measuring instruments characterised by the use of optical techniques
- G01B9/02—Interferometers
- G01B9/02092—Self-mixing interferometers, i.e. feedback of light from object into laser cavity
-
- 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
-
- 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
-
- 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
- G01S17/32—Systems determining position data of a target for measuring distance only using transmission of continuous waves, whether amplitude-, frequency-, or phase-modulated, or unmodulated
- G01S17/34—Systems determining position data of a target for measuring distance only using transmission of continuous waves, whether amplitude-, frequency-, or phase-modulated, or unmodulated using transmission of continuous, frequency-modulated waves while heterodyning the received signal, or a signal derived therefrom, with a locally-generated signal related to the contemporaneously transmitted signal
-
- 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
- G01S17/87—Combinations of systems using electromagnetic waves other than radio waves
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B2290/00—Aspects of interferometers not specifically covered by any group under G01B9/02
- G01B2290/45—Multiple detectors for detecting interferometer signals
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Electromagnetism (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Power Engineering (AREA)
- Optics & Photonics (AREA)
- Optical Radar Systems And Details Thereof (AREA)
- Instruments For Measurement Of Length By Optical Means (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2007097244 | 2007-04-03 | ||
| JP2008054699A JP5530069B2 (ja) | 2007-04-03 | 2008-03-05 | 距離・速度計および距離・速度計測方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| TW200912354A true TW200912354A (en) | 2009-03-16 |
| TWI359953B TWI359953B (https=) | 2012-03-11 |
Family
ID=40013611
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| TW097111868A TW200912354A (en) | 2007-04-03 | 2008-04-01 | Distance/speed meter and distance/speed measurement method |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US7990521B2 (https=) |
| JP (1) | JP5530069B2 (https=) |
| KR (1) | KR100946264B1 (https=) |
| CN (1) | CN101281031B (https=) |
| TW (1) | TW200912354A (https=) |
Families Citing this family (24)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5530070B2 (ja) * | 2007-06-06 | 2014-06-25 | アズビル株式会社 | 距離・速度計および距離・速度計測方法 |
| EP2128560B1 (de) * | 2008-05-28 | 2015-07-01 | Leica Geosystems AG | Interferometrisches Distanzmessverfahren mit spektral trennbarem Doppelchirp und ebensolche Vorrichtung |
| US8063348B1 (en) * | 2009-06-02 | 2011-11-22 | The United States Of America As Represented By The Secretary Of The Army | Dual color retro-reflection sensing device |
| US20110149269A1 (en) * | 2009-12-17 | 2011-06-23 | Tom Van Esch | Method and device for measuring the speed of a movable member relative a fixed member |
| JP5639922B2 (ja) * | 2011-02-23 | 2014-12-10 | アズビル株式会社 | 速度計測装置および方法 |
| EP2887008A1 (en) * | 2013-12-17 | 2015-06-24 | Universitat Politècnica de Catalunya | A method of measuring a change in an optical path using differential laser self-mixing interferometry and a differential laser self-mixing interferometry measuring system |
| WO2016030227A1 (en) * | 2014-08-29 | 2016-03-03 | Asml Netherlands B.V. | Method for controlling a distance between two objects, inspection apparatus and method |
| EP3245476A4 (en) | 2015-01-13 | 2018-08-29 | Dscg Solutions, Inc. | A multiple beam range measurement process |
| JP6018662B2 (ja) * | 2015-03-31 | 2016-11-02 | アズビル株式会社 | 計数装置、物理量センサ、計数方法および物理量計測方法 |
| JPWO2017038659A1 (ja) * | 2015-09-01 | 2018-06-14 | 国立大学法人 東京大学 | 運動検出装置及びそれを用いた三次元形状測定装置 |
| WO2017187510A1 (ja) * | 2016-04-26 | 2017-11-02 | 株式会社日立製作所 | 距離計測装置、距離計測方法、及び形状計測装置 |
| CN107655446B (zh) * | 2017-10-30 | 2023-09-22 | 成都捷测科技有限公司 | 激光测量装置 |
| CN108303705A (zh) * | 2017-12-27 | 2018-07-20 | 西安理工大学 | Nd:YAG固体激光器自混合速度传感器及其测速方法 |
| US11157113B2 (en) | 2018-04-13 | 2021-10-26 | Apple Inc. | Self-mixing interference based sensors for characterizing touch input |
| EP3581962A1 (de) * | 2018-06-11 | 2019-12-18 | Hexagon Technology Center GmbH | Dual-beam fmcw distanzmessverfahren mit kompensation eines geschwindigkeitsabhängigen distanzmessfehlers |
| US11112235B2 (en) * | 2019-04-05 | 2021-09-07 | Apple Inc. | Handling obstructions and transmission element contamination for self-mixing particulate matter sensors |
| US11774342B2 (en) | 2019-04-05 | 2023-10-03 | Apple Inc. | Particulate matter sensors based on split beam self-mixing interferometry sensors |
| US11692809B2 (en) | 2019-09-18 | 2023-07-04 | Apple Inc. | Self-mixing interferometry-based absolute distance measurement with distance reference |
| FR3109627B1 (fr) * | 2020-04-27 | 2022-10-14 | Michelin & Cie | Systeme de generation de signal representatif du profil d’une surface en mouvement par rapport au systeme |
| US11874110B2 (en) | 2020-09-25 | 2024-01-16 | Apple Inc. | Self-mixing interferometry device configured for non-reciprocal sensing |
| JP7610459B2 (ja) * | 2021-04-02 | 2025-01-08 | 株式会社デンソー | 測距装置 |
| CN115729362A (zh) * | 2021-08-31 | 2023-03-03 | 华为技术有限公司 | 一种输入检测装置及相关输入设备 |
| EP4445095A1 (en) * | 2021-12-08 | 2024-10-16 | ams International AG | Optoelectronic device, self-mixing interferometer and method for operating a self-mixing interferometer |
| US12376763B2 (en) | 2022-06-29 | 2025-08-05 | Apple Inc. | Non-contact respiration sensing |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2885807B2 (ja) * | 1988-10-21 | 1999-04-26 | 東京航空計器株式会社 | 距離検出装置 |
| JP3774751B2 (ja) * | 1994-03-08 | 2006-05-17 | 国立大学法人静岡大学 | 半導体レーザデジタル振動計測装置 |
| JP2954871B2 (ja) * | 1996-03-25 | 1999-09-27 | 株式会社先進材料利用ガスジェネレータ研究所 | 光ファイバセンサ |
| FR2761782B1 (fr) * | 1997-04-02 | 1999-05-07 | Commissariat Energie Atomique | Velocimetre et telemetre laser utilisant une detection coherente |
| US7280220B2 (en) * | 2001-09-21 | 2007-10-09 | Yamatake Corporation | Physical quantity measuring method and device therefor |
| US7139446B2 (en) * | 2005-02-17 | 2006-11-21 | Metris Usa Inc. | Compact fiber optic geometry for a counter-chirp FMCW coherent laser radar |
| JP5172077B2 (ja) * | 2005-05-06 | 2013-03-27 | アズビル株式会社 | 距離・速度計および距離・速度計測方法 |
| EP1953567A3 (en) * | 2007-01-25 | 2010-09-22 | Yamatake Corporation | Counting device, distance meter, counting method, and distance measuring method |
| JP5530070B2 (ja) * | 2007-06-06 | 2014-06-25 | アズビル株式会社 | 距離・速度計および距離・速度計測方法 |
-
2008
- 2008-03-05 JP JP2008054699A patent/JP5530069B2/ja not_active Expired - Fee Related
- 2008-04-01 CN CN2008100963225A patent/CN101281031B/zh not_active Expired - Fee Related
- 2008-04-01 TW TW097111868A patent/TW200912354A/zh not_active IP Right Cessation
- 2008-04-02 KR KR1020080030735A patent/KR100946264B1/ko not_active Expired - Fee Related
- 2008-04-02 US US12/080,550 patent/US7990521B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| KR20080090317A (ko) | 2008-10-08 |
| CN101281031A (zh) | 2008-10-08 |
| US20100321668A1 (en) | 2010-12-23 |
| JP5530069B2 (ja) | 2014-06-25 |
| KR100946264B1 (ko) | 2010-03-09 |
| CN101281031B (zh) | 2011-07-20 |
| TWI359953B (https=) | 2012-03-11 |
| JP2008275594A (ja) | 2008-11-13 |
| US7990521B2 (en) | 2011-08-02 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MM4A | Annulment or lapse of patent due to non-payment of fees |