JPH01203918A - 測定装置と物体との間の光学的距離測定方法 - Google Patents
測定装置と物体との間の光学的距離測定方法Info
- Publication number
- JPH01203918A JPH01203918A JP31934588A JP31934588A JPH01203918A JP H01203918 A JPH01203918 A JP H01203918A JP 31934588 A JP31934588 A JP 31934588A JP 31934588 A JP31934588 A JP 31934588A JP H01203918 A JPH01203918 A JP H01203918A
- Authority
- JP
- Japan
- Prior art keywords
- light
- focused
- distance
- measuring device
- photodetector
- 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.)
- Pending
Links
- 230000003287 optical effect Effects 0.000 title claims abstract description 54
- 238000005259 measurement Methods 0.000 title claims description 43
- 230000005855 radiation Effects 0.000 claims abstract description 29
- 238000000034 method Methods 0.000 claims description 54
- 230000010287 polarization Effects 0.000 claims description 28
- 230000007935 neutral effect Effects 0.000 claims description 11
- 230000009021 linear effect Effects 0.000 claims description 8
- 239000007787 solid Substances 0.000 claims description 7
- 239000012212 insulator Substances 0.000 claims description 4
- 238000000691 measurement method Methods 0.000 claims description 4
- 238000011156 evaluation Methods 0.000 claims description 3
- 238000011144 upstream manufacturing Methods 0.000 claims 3
- 238000001514 detection method Methods 0.000 claims 2
- 230000003534 oscillatory effect Effects 0.000 claims 1
- 230000004907 flux Effects 0.000 abstract description 7
- 230000001419 dependent effect Effects 0.000 description 9
- 230000000694 effects Effects 0.000 description 9
- 238000005286 illumination Methods 0.000 description 8
- 230000008859 change Effects 0.000 description 5
- 238000000149 argon plasma sintering Methods 0.000 description 4
- 239000004065 semiconductor Substances 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 238000013459 approach Methods 0.000 description 2
- TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical compound [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 description 2
- 230000028161 membrane depolarization Effects 0.000 description 2
- 101100298222 Caenorhabditis elegans pot-1 gene Proteins 0.000 description 1
- 229910001218 Gallium arsenide Inorganic materials 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000008034 disappearance Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 238000012804 iterative process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 238000001055 reflectance spectroscopy Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C3/00—Measuring distances in line of sight; Optical rangefinders
- G01C3/02—Details
- G01C3/06—Use of electric means to obtain final indication
- G01C3/08—Use of electric radiation detectors
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Measurement Of Optical Distance (AREA)
- Length Measuring Devices By Optical Means (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE3743194.3 | 1987-12-19 | ||
| DE19873743194 DE3743194A1 (de) | 1987-12-19 | 1987-12-19 | Verfahren und vorrichtung zur optischen entfernungsmessung |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01203918A true JPH01203918A (ja) | 1989-08-16 |
Family
ID=6343038
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP31934588A Pending JPH01203918A (ja) | 1987-12-19 | 1988-12-17 | 測定装置と物体との間の光学的距離測定方法 |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JPH01203918A (enrdf_load_stackoverflow) |
| DE (1) | DE3743194A1 (enrdf_load_stackoverflow) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011511280A (ja) * | 2008-02-01 | 2011-04-07 | ファロ テクノロジーズ インコーポレーテッド | 対物距離計測装置 |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0322356A3 (de) * | 1987-12-19 | 1991-06-12 | Baumer Electric Ag | Verfahren und Vorrichtung zur optischen Distanzmessung |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DD65320A (enrdf_load_stackoverflow) * | ||||
| FR2116872A5 (fr) * | 1970-12-10 | 1972-07-21 | Compteurs Comp D | Perfectionnements aux dispositifs palpeurs optiques |
| DE2703463A1 (de) * | 1977-01-28 | 1978-08-03 | Erich Herbert Mehnert | Verfahren zum messen von entfernungen und optisch-elektrisches entfernungsmessgeraet zur durchfuehrung des verfahrens |
| US4391515A (en) * | 1981-05-07 | 1983-07-05 | The United States Of America As Represented By The Secretary Of The Navy | Optical transmitter/receiver apparatus sharing common optics |
-
1987
- 1987-12-19 DE DE19873743194 patent/DE3743194A1/de active Granted
-
1988
- 1988-12-17 JP JP31934588A patent/JPH01203918A/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011511280A (ja) * | 2008-02-01 | 2011-04-07 | ファロ テクノロジーズ インコーポレーテッド | 対物距離計測装置 |
Also Published As
| Publication number | Publication date |
|---|---|
| DE3743194C2 (enrdf_load_stackoverflow) | 1989-11-23 |
| DE3743194A1 (de) | 1989-06-29 |
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