DE10156282B4 - Distance image sensor - Google Patents
Distance image sensor Download PDFInfo
- Publication number
- DE10156282B4 DE10156282B4 DE10156282A DE10156282A DE10156282B4 DE 10156282 B4 DE10156282 B4 DE 10156282B4 DE 10156282 A DE10156282 A DE 10156282A DE 10156282 A DE10156282 A DE 10156282A DE 10156282 B4 DE10156282 B4 DE 10156282B4
- Authority
- DE
- Germany
- Prior art keywords
- image sensor
- distance image
- sensor according
- aperture
- optics
- 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 - Fee Related
Links
- 239000011159 matrix material Substances 0.000 claims abstract description 26
- 239000003990 capacitor Substances 0.000 claims description 6
- 230000005540 biological transmission Effects 0.000 claims description 3
- 230000035699 permeability Effects 0.000 claims description 3
- 239000000758 substrate Substances 0.000 claims 1
- 238000011156 evaluation Methods 0.000 description 7
- 230000003287 optical effect Effects 0.000 description 3
- 238000013100 final test Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000005070 sampling Methods 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000013307 optical fiber Substances 0.000 description 1
- 238000004886 process control Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 230000035882 stress Effects 0.000 description 1
- 230000002123 temporal effect Effects 0.000 description 1
- 230000001960 triggered effect 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
- G01S17/00—Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
- G01S17/88—Lidar systems specially adapted for specific applications
- G01S17/89—Lidar systems specially adapted for specific applications for mapping or imaging
-
- 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
- G01S7/4814—Constructional features, e.g. arrangements of optical elements of transmitters alone
- G01S7/4815—Constructional features, e.g. arrangements of optical elements of transmitters alone using multiple transmitters
-
- 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
- G01S17/10—Systems determining position data of a target for measuring distance only using transmission of interrupted, pulse-modulated waves
-
- 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
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)
- Optical Radar Systems And Details Thereof (AREA)
Abstract
Entfernungsbildsensor bei dem die Laufzeit von Lichtimpulsen ausgewertet wird, die vom Sensor erzeugt und ausgesendet werden und von der zu vermessenden Szene zurückgestreut werden, mit einer Matrix von Lasern, deren Einzelelemente auf die zu vermessende Szene abgebildet werden, und mit einem oder mehreren Empfängern, einer Zwischenoptik, einer Blende mit schlitzförmigen Öffnungen und einer Empfangsoptik, wobei die von der Szene rückgestreuten Lichtimpulse über die Empfangsoptik auf die Blende abgebildet werden, durch die diese Lichtimpulse über die Zwischenoptik auf den einen oder die mehreren Empfänger abgebildet werden.Distance image sensor in which the transit time is evaluated by light pulses that are generated and emitted by the sensor and are scattered back by the scene to be measured, with a matrix of lasers, the individual elements of which are imaged on the scene to be measured, and with one or more receivers, one Intermediate optics, a diaphragm with slot-shaped openings and a receiving optic, the light pulses backscattered from the scene being imaged onto the diaphragm via the receiving optics, by means of which these light pulses are imaged onto the one or more receivers via the intermediate optics.
Description
Für den mittleren Entfernungsbereich sind folgende aktive Entfernungsbildsensoren bekannt.For The following range image sensors are active in the middle range known.
Alle diese Systeme haben den Nachteil, dass sie entweder sehr aufwendig und teuer sind oder nicht mit mehreren beleuchteten Objektflächen, die in der Tiefe gestuft sind, zurecht kommen. Sie sind nur in einem relativ großen Volumen unterbringbar. Außerdem sind sie nur sehr schwer unter Beachtung der Vorschriften für die Augensicherheit zu realisieren.All of these systems have the disadvantage that they are either very complex and expensive or not with several illuminated object areas, that are stepped in depth, can cope. You are only in one relatively large Volume can be accommodated. Moreover they are very difficult in compliance with the regulations for eye safety to realize.
Vorliegende Erfindung löst die Aufgabe einen Entfernungsbildsensor mit hoher Langzeitstabilität und unkritischer Justage darzustellen. Außerdem enthält das erfindungsgemäße System keine bewegten Teile und erreicht ein sehr gute Signal-Rausch-Verhältnis. Der Aufbau wird sehr klein und in der Serienproduktion ist das System preisgünstig herstellbar. The present invention achieves the object a distance image sensor with high long-term stability and less critical To represent adjustment. The system according to the invention also contains no moving parts and achieves a very good signal-to-noise ratio. The Structure becomes very small and the system is in series production inexpensive produced.
Die Erfindung wird anhand der
Die Erfindung arbeitet im optischen Bereich nach dem Pulslaufzeitverfahren.The invention works in the optical Area according to the pulse transit time method.
Entsprechend
Die Signalverarbeitung und Zeitsteuerung
Die durch die Umladung und das Schalten entstandenen
Spannungsverluste werden durch den Ausleseverstärker
Durch das sequentielle Aufsteuern
aller Laser in der Lasermatrix
Soll die gesamte Anordnung z. B.
bei Nutzung als Precrash-Sensor in Nebel und Gischt gut funktionieren,
dann müssen
entsprechend
Muss dabei das Gesamtsystem in einem sehr
großen
Entfernungsbereich z. B. bis sehr nah an den Sensor selbst heran
funktionieren, so werden sich durch die Abbildungsgeometrie die
von den Lasern
In der Blende
Um das Verhältnis Nutzlichtleistung zu Fremdlichtleistung
noch günstiger
zu gestalten wird entsprechend
Die Blendenmatrix
Die Kontraststeuerung der ganzen oder partiellen Blendenmatrix kann mit bekannten Methoden wie z. B. Flüssigkristallstrukturen, wegklappbaren Mikroflächen oder Mikrospiegeln oder schaltbaren Filterstrukturen erfolgen.Contrast control of the whole or partial aperture matrix can with known methods such. B. liquid crystal structures, foldable micro surfaces or micromirrors or switchable filter structures.
Die in
Sowohl eine feste Blendenmatrix nach
Claims (12)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE10156282A DE10156282B4 (en) | 2001-11-19 | 2001-11-19 | Distance image sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE10156282A DE10156282B4 (en) | 2001-11-19 | 2001-11-19 | Distance image sensor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE10156282A1 DE10156282A1 (en) | 2003-06-12 |
| DE10156282B4 true DE10156282B4 (en) | 2004-07-22 |
Family
ID=7705959
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE10156282A Expired - Fee Related DE10156282B4 (en) | 2001-11-19 | 2001-11-19 | Distance image sensor |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE10156282B4 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102014005521A1 (en) | 2014-04-15 | 2015-10-15 | Ingenieurbüro Spies GbR (vertretungsberechtigte Gesellschafter: Hans Spies, Martin Spies, 86558 Hohenwart) | Pulse transit time sensor for long distances and high sampling rate |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102004047022A1 (en) * | 2004-09-28 | 2006-04-06 | Siemens Ag | Device for monitoring room areas |
| DE102005049471B4 (en) * | 2005-10-13 | 2007-09-13 | Ingenieurbüro Spies GbR (vertretungsberechtigte Gesellschafter: Hans Spies, Martin Spies, 86558 Hohenwart) | Distance sensor with single surface scan |
| DE102008052064B4 (en) | 2008-10-17 | 2010-09-09 | Diehl Bgt Defence Gmbh & Co. Kg | Device for taking pictures of an object scene |
| DE102015121839A1 (en) * | 2015-12-15 | 2017-06-22 | Sick Ag | Optoelectronic sensor and method for detecting an object |
| DE102017117694A1 (en) | 2017-08-04 | 2019-02-07 | Sick Ag | Opto-electronic sensor and method for detecting objects in a surveillance area |
| DE102019133096A1 (en) | 2019-12-05 | 2021-06-10 | Sick Ag | Optoelectronic sensor and method for detecting an object |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH676042A5 (en) * | 1988-07-22 | 1990-11-30 | Wild Leitz Ag | Surveying unit with theodolite and range finder - determines coordinates of target point includes light pulse transmitter and receiver |
| US5210586A (en) * | 1990-06-27 | 1993-05-11 | Siemens Aktiengesellschaft | Arrangement for recognizing obstacles for pilots of low-flying aircraft |
| US5552893A (en) * | 1993-09-17 | 1996-09-03 | Mitsubishi Denki Kabushiki Kaisha | Distance measuring apparatus |
| US5953110A (en) * | 1998-04-23 | 1999-09-14 | H.N. Burns Engineering Corporation | Multichannel laser radar |
-
2001
- 2001-11-19 DE DE10156282A patent/DE10156282B4/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH676042A5 (en) * | 1988-07-22 | 1990-11-30 | Wild Leitz Ag | Surveying unit with theodolite and range finder - determines coordinates of target point includes light pulse transmitter and receiver |
| US5210586A (en) * | 1990-06-27 | 1993-05-11 | Siemens Aktiengesellschaft | Arrangement for recognizing obstacles for pilots of low-flying aircraft |
| US5552893A (en) * | 1993-09-17 | 1996-09-03 | Mitsubishi Denki Kabushiki Kaisha | Distance measuring apparatus |
| US5953110A (en) * | 1998-04-23 | 1999-09-14 | H.N. Burns Engineering Corporation | Multichannel laser radar |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102014005521A1 (en) | 2014-04-15 | 2015-10-15 | Ingenieurbüro Spies GbR (vertretungsberechtigte Gesellschafter: Hans Spies, Martin Spies, 86558 Hohenwart) | Pulse transit time sensor for long distances and high sampling rate |
| DE102014005521B4 (en) | 2014-04-15 | 2019-09-19 | Ingenieurbüro Spies GbR (vertretungsberechtigte Gesellschafter: Hans Spies, Martin Spies, 86558 Hohenwart) | Pulse transit time sensor for long distances and high sampling rate |
Also Published As
| Publication number | Publication date |
|---|---|
| DE10156282A1 (en) | 2003-06-12 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OP8 | Request for examination as to paragraph 44 patent law | ||
| 8364 | No opposition during term of opposition | ||
| R119 | Application deemed withdrawn, or ip right lapsed, due to non-payment of renewal fee |