CA1082944A - Method of and apparatus for the photo-electric determination of the location of at least one focal plane of an image - Google Patents
Method of and apparatus for the photo-electric determination of the location of at least one focal plane of an imageInfo
- Publication number
- CA1082944A CA1082944A CA249,825A CA249825A CA1082944A CA 1082944 A CA1082944 A CA 1082944A CA 249825 A CA249825 A CA 249825A CA 1082944 A CA1082944 A CA 1082944A
- Authority
- CA
- Canada
- Prior art keywords
- optical
- image
- signals
- photo
- light fluxes
- 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
Links
- 238000000034 method Methods 0.000 title claims abstract description 16
- 230000003287 optical effect Effects 0.000 claims abstract description 75
- 230000000737 periodic effect Effects 0.000 claims abstract description 20
- 238000006073 displacement reaction Methods 0.000 claims abstract description 18
- 230000010363 phase shift Effects 0.000 claims abstract description 8
- 238000012634 optical imaging Methods 0.000 claims abstract description 6
- 210000001747 pupil Anatomy 0.000 claims description 35
- 230000004907 flux Effects 0.000 claims description 27
- 238000003384 imaging method Methods 0.000 claims description 18
- 238000003491 array Methods 0.000 claims description 16
- 230000000694 effects Effects 0.000 claims description 3
- 238000005259 measurement Methods 0.000 description 10
- 230000005484 gravity Effects 0.000 description 9
- 230000003534 oscillatory effect Effects 0.000 description 5
- 238000010276 construction Methods 0.000 description 3
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- QNRATNLHPGXHMA-XZHTYLCXSA-N (r)-(6-ethoxyquinolin-4-yl)-[(2s,4s,5r)-5-ethyl-1-azabicyclo[2.2.2]octan-2-yl]methanol;hydrochloride Chemical compound Cl.C([C@H]([C@H](C1)CC)C2)CN1[C@@H]2[C@H](O)C1=CC=NC2=CC=C(OCC)C=C21 QNRATNLHPGXHMA-XZHTYLCXSA-N 0.000 description 1
- 241000252233 Cyprinus carpio Species 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000002674 ointment Substances 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000001360 synchronised effect Effects 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
- 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
- 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
-
- 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)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Power Engineering (AREA)
- Measurement Of Optical Distance (AREA)
- Length Measuring Devices By Optical Means (AREA)
- Image Analysis (AREA)
- Optical Radar Systems And Details Thereof (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEP2518209.6 | 1975-04-24 | ||
| DE19752518209 DE2518209C3 (de) | 1975-04-24 | 1975-04-24 | Verfahren und Einrichtungen zur fotoelektrischen Bestimmung der Lage mindestens einer Schärfenebene eines Bildes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1082944A true CA1082944A (en) | 1980-08-05 |
Family
ID=5944894
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA249,825A Expired CA1082944A (en) | 1975-04-24 | 1976-04-08 | Method of and apparatus for the photo-electric determination of the location of at least one focal plane of an image |
Country Status (8)
| Country | Link |
|---|---|
| CA (1) | CA1082944A (ref) |
| CH (1) | CH611430A5 (ref) |
| DE (1) | DE2518209C3 (ref) |
| FR (1) | FR2308939A1 (ref) |
| GB (1) | GB1534360A (ref) |
| IT (1) | IT1059456B (ref) |
| NL (1) | NL182245C (ref) |
| SE (1) | SE412801B (ref) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2147762A (en) * | 1983-10-10 | 1985-05-15 | Audim Sa | An artifical binocular vision system |
-
1975
- 1975-04-24 DE DE19752518209 patent/DE2518209C3/de not_active Expired
-
1976
- 1976-03-24 CH CH369076A patent/CH611430A5/xx not_active IP Right Cessation
- 1976-04-01 GB GB1314476A patent/GB1534360A/en not_active Expired
- 1976-04-08 CA CA249,825A patent/CA1082944A/en not_active Expired
- 1976-04-15 IT IT6790576A patent/IT1059456B/it active
- 1976-04-22 SE SE7604673A patent/SE412801B/xx not_active IP Right Cessation
- 1976-04-22 FR FR7611939A patent/FR2308939A1/fr active Granted
- 1976-04-23 NL NL7604351A patent/NL182245C/xx not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| FR2308939A1 (fr) | 1976-11-19 |
| SE7604673L (sv) | 1976-10-25 |
| FR2308939B1 (ref) | 1981-08-21 |
| SE412801B (sv) | 1980-03-17 |
| CH611430A5 (en) | 1979-05-31 |
| DE2518209B2 (de) | 1977-09-22 |
| NL182245B (nl) | 1987-09-01 |
| DE2518209A1 (de) | 1976-11-04 |
| DE2518209C3 (de) | 1978-05-18 |
| IT1059456B (it) | 1982-05-31 |
| NL182245C (nl) | 1988-02-01 |
| NL7604351A (nl) | 1976-10-26 |
| GB1534360A (en) | 1978-12-06 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |