JPH10512666A - 電気光学的な距離測定のための方法及び装置 - Google Patents
電気光学的な距離測定のための方法及び装置Info
- Publication number
- JPH10512666A JPH10512666A JP8512877A JP51287796A JPH10512666A JP H10512666 A JPH10512666 A JP H10512666A JP 8512877 A JP8512877 A JP 8512877A JP 51287796 A JP51287796 A JP 51287796A JP H10512666 A JPH10512666 A JP H10512666A
- Authority
- JP
- Japan
- Prior art keywords
- pulse
- signal
- interval
- light emission
- detected
- 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.)
- Granted
Links
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
- G01S17/02—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
- G01S7/483—Details of pulse systems
-
- 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
- G01S7/483—Details of pulse systems
- G01S7/484—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
- 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
- G01S7/483—Details of pulse systems
- G01S7/486—Receivers
- G01S7/487—Extracting wanted echo signals, e.g. pulse detection
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Optical Radar Systems And Details Thereof (AREA)
Abstract
Description
Claims (1)
- 【特許請求の範囲】 1.パルス進行時間法による電気光学的な距離測定のための方法であって、 a)発光パルス信号は、それぞれパルス発信間隔(TI)内で送信器(11,2 1)から発信され、 b)少なくとも測定対象(17)で反射される上記発光パルス信号(反響信号) は、受信器(12,22)で検出されて信号処理ユニット(10,27)に導か れ、そこで検出された上記発光パルス信号が走査され、記憶装置(19,25) に記憶され、 c)検出される上記発光パルス信号(反響信号)は、事前のパルス発信間隔(TI )で検出された発光パルス信号(反響信号)に加算され、次に和パルス信号と して記憶される 方法において、 d)発光パルス信号はそれぞれ、ずらし間隔(TV)で時間的にずらされて、周 期的にパルス発信間隔(TI)の始めに発信され及び/または走査され、 e)ずらし間隔(TV)の長さは、少なくとも発光パルス長さに相当し、 f)和パルス信号の時間的な長さから、公知の計算方法によって上記発光パルス 信号の進行時間が計算される、 ことを特徴とする方法。 2.発光パルス信号が、ずらし間隔(TV)で種々の長さに発信され及び/また は走査され、Nのパルス発信間隔TIの進行によってNの発光パルス信号で形成 されるパルスパターンが記憶されることを特徴とする請求項1による方法。 3.パルスパターンが擬推計学の(pseudostochastische)シーケンスを表わし 、最尤法あるいは最小分散法による評価アルゴリズムの利用によって距離が計算 されることを特徴とする請求項2による方法。 4.ずらし間隔(TV)の長さが、発光パルス長さの整数倍であることを特徴と する請求項1から3のいずれかによる方法。 5.パルスパターンがmシーケンスで構成されることを特徴とする請求項1から 4のいずれかによる方法。 6.記憶される和パルス信号のシーケンスは、パルス信号の所与の参照シーケン スと相関され、これから得られる評価値が距離のための尺度を表わすことを特徴 とする請求項1から5のいずれかによる方法。 7.ずらし間隔(TV)の長さが一定であり、それぞれ発光パルスの長さの整数 倍であることを特徴とする請求項1による方法。 8.受信器(12,22)がアナログ記憶装置(25)を有し、そこで反響信号 が連続的に読み取られ、中間 記憶され、次に和信号に加算されることを特徴とする、送信器(11,21)、 受信器(12,22)、信号処理ユニット(10,27)、記憶装置(19,2 5)を有する請求項1による方法の実施のための装置。 9.受信器が、少なくともCCD領域(22)で構成され、反響信号の信号電荷 への変換のための光検出器を有し、それぞれの測定間隔(MI)に配属されるデ ータの組の記憶のためそれぞれ少なくとも2つのアナログ記憶装置(CCD記憶 装置25a,25b)を有することを特徴とする請求項8による装置。 10.アナログ記憶装置が、CCD領域で構成され、記憶された信号電荷を隣接 するCCD領域に伝送するために転送ゲートで連続に互いに結合されていること を特徴とする請求項8又は9による装置。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4436447A DE4436447C2 (de) | 1994-10-13 | 1994-10-13 | Verfahren und Vorrichtung zur elektrooptischen Entfernungsmessung |
DE4436447.4 | 1994-10-13 | ||
PCT/EP1995/003712 WO1996012203A1 (de) | 1994-10-13 | 1995-09-21 | Verfahren und vorrichtung zur elektrooptischen entfernungsmessung |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH10512666A true JPH10512666A (ja) | 1998-12-02 |
JP3536984B2 JP3536984B2 (ja) | 2004-06-14 |
Family
ID=6530581
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP51287796A Expired - Fee Related JP3536984B2 (ja) | 1994-10-13 | 1995-09-21 | 電気光学的な距離測定のための方法及び装置 |
Country Status (6)
Country | Link |
---|---|
US (1) | US5892576A (ja) |
EP (1) | EP0786097B1 (ja) |
JP (1) | JP3536984B2 (ja) |
CA (1) | CA2202532C (ja) |
DE (2) | DE4436447C2 (ja) |
WO (1) | WO1996012203A1 (ja) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19741887B4 (de) * | 1997-09-23 | 2006-08-03 | Peter Brockhaus | Vorrichtung zur Laufzeitmessung von Licht |
AT406093B (de) * | 1998-05-19 | 2000-02-25 | Perger Andreas Dr | Verfahren zur optischen entfernungsmessung |
JP4105801B2 (ja) * | 1998-07-02 | 2008-06-25 | ペンタックス株式会社 | 3次元画像入力装置 |
WO2001011540A1 (en) * | 1999-08-04 | 2001-02-15 | Koninklijke Philips Electronics N.V. | Communication device and transponder |
DE19936954C2 (de) * | 1999-08-05 | 2001-08-09 | Leuze Electronic Gmbh & Co | Verfahren und Vorrichtung zur Entfernungsmessung |
DE10232878B4 (de) * | 2002-07-19 | 2012-02-23 | Robert Bosch Gmbh | Vorrichtung und Verfahren zur Distanzmessung |
DE10300402B4 (de) * | 2003-01-09 | 2006-09-21 | Wente, Holger, Dr.-Ing. | Lasermesseinrichtung |
US7103500B2 (en) * | 2003-02-21 | 2006-09-05 | Inesa, Inc. | Apparatus and method for distance measurement with controlled modulation of emitted pulses |
BRPI0418141A2 (pt) | 2003-12-23 | 2017-03-01 | Inesa East Ltd | um método para a avaliação não evasiva do nível do material de enchimento de um recipiente |
US7502064B2 (en) * | 2004-08-10 | 2009-03-10 | Hewlett-Packard Development Company, L.P. | Using light pulses to implement auto-focus in a digital camera |
US7359039B2 (en) | 2005-07-13 | 2008-04-15 | Mariusz Kloza | Device for precise distance measurement |
US20080065348A1 (en) * | 2006-09-11 | 2008-03-13 | Dowd Joseph F | Duct geometry measurement tool |
WO2014124182A2 (en) | 2013-02-06 | 2014-08-14 | Ultimo Measurement Llc | Non-invasive method for measurement of physical properties of free flowing materials in vessels |
US9816848B2 (en) | 2014-01-23 | 2017-11-14 | Ultimo Measurement Llc | Method and apparatus for non-invasively measuring physical properties of materials in a conduit |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AT79055B (de) * | 1917-09-10 | 1919-11-10 | Norbert Fischer | Rechen. |
US3647298A (en) * | 1969-09-16 | 1972-03-07 | Us Navy | Pulse chirp laser ranging device |
US3967111A (en) * | 1974-12-20 | 1976-06-29 | Scientific Technology Incorporated | Pulsed light source discriminator system |
WO1988005922A1 (en) * | 1987-02-09 | 1988-08-11 | Wild Heerbrugg Ag | Procedure and installation for measuring a distance by processing of a pulsating optical signal |
EP0371197B1 (de) * | 1988-11-23 | 1994-12-21 | TEMIC TELEFUNKEN microelectronic GmbH | Bildsensor |
DE3839512A1 (de) * | 1988-11-23 | 1990-05-31 | Messerschmitt Boelkow Blohm | Bildsensor |
US5026153A (en) * | 1989-03-01 | 1991-06-25 | Mitsubishi Denki K.K. | Vehicle tracking control for continuously detecting the distance and direction to a preceding vehicle irrespective of background dark/light distribution |
US5337052A (en) * | 1989-07-20 | 1994-08-09 | The United States Of America As Represented By The Secretary Of The Army | Random binary modulated sensor |
SE465392B (sv) * | 1990-01-12 | 1991-09-02 | Optab Optronikinnovation Ab | Foerfarande och anordning vid optiska avstaandsmaetare |
CA2038825A1 (en) * | 1990-03-30 | 1991-10-01 | Akio Nagamune | In-furnace slag level measuring apparatus |
DE4031668B4 (de) * | 1990-10-05 | 2006-02-02 | Carl Zeiss | Verfahren zur elektrooptischen Entfernungsmessung |
US5179286A (en) * | 1990-10-05 | 1993-01-12 | Mitsubishi Denki K.K. | Distance measuring apparatus receiving echo light pulses |
US5262837A (en) * | 1992-10-21 | 1993-11-16 | Norm Pacific Automation Corp. | Laser range finder |
-
1994
- 1994-10-13 DE DE4436447A patent/DE4436447C2/de not_active Expired - Fee Related
-
1995
- 1995-09-21 US US08/817,097 patent/US5892576A/en not_active Expired - Lifetime
- 1995-09-21 JP JP51287796A patent/JP3536984B2/ja not_active Expired - Fee Related
- 1995-09-21 WO PCT/EP1995/003712 patent/WO1996012203A1/de active IP Right Grant
- 1995-09-21 CA CA002202532A patent/CA2202532C/en not_active Expired - Fee Related
- 1995-09-21 DE DE59502277T patent/DE59502277D1/de not_active Expired - Lifetime
- 1995-09-21 EP EP95933410A patent/EP0786097B1/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
CA2202532C (en) | 2007-01-16 |
US5892576A (en) | 1999-04-06 |
DE4436447A1 (de) | 1996-04-25 |
CA2202532A1 (en) | 1996-04-25 |
DE59502277D1 (de) | 1998-06-25 |
EP0786097A1 (de) | 1997-07-30 |
EP0786097B1 (de) | 1998-05-20 |
DE4436447C2 (de) | 1996-10-02 |
WO1996012203A1 (de) | 1996-04-25 |
JP3536984B2 (ja) | 2004-06-14 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
EP0654682B1 (en) | Light-wave distance meter based on light pulses | |
JPH10512666A (ja) | 電気光学的な距離測定のための方法及び装置 | |
US5511041A (en) | Process for setting the transmission frequency of a distance measuring instrument operating according to the echo-sounding principle | |
JP4488170B2 (ja) | 三次元距離画像を記録するための方法及び装置 | |
US6836317B1 (en) | Method for optically measuring distance | |
US6100539A (en) | Light sensor with evaluation of the light transit time | |
JP2003521692A (ja) | 光学距離測定 | |
JP2007507693A (ja) | 距離測定 | |
HU220731B1 (hu) | Eljárás és elrendezés állócélról visszavert jel elnyomására impulzus-futásidő mérésén alapuló távolságmérés során | |
JP3641870B2 (ja) | ランダム変調レーダ装置 | |
US6466307B2 (en) | Laser range signal processing method and device | |
US11506761B2 (en) | Method and device for optical distance measurement | |
JP3508113B2 (ja) | パルス方式の光波距離計 | |
US20020126270A1 (en) | Method and apparatus of a laser range detector | |
KR100211780B1 (ko) | 거리 측정 방법 및 그 장치 | |
JPH06109841A (ja) | 距離検出方法 | |
ATE232306T1 (de) | Verfahren zur messung der entfernung mindestens eines ziels | |
RU2081434C1 (ru) | Приемное устройство гидроакустической системы измерения дистанции | |
JPH0139557B2 (ja) | ||
EP4148459B1 (en) | Time-of-flight sensors and electronic device | |
CN114594455B (zh) | 激光雷达系统及其控制方法 | |
SU552037A3 (ru) | Способ определени рассто ни , пройденного судном | |
JPH08220231A (ja) | 距離測定装置 | |
SU900206A1 (ru) | Устройство измерени распределени веро тностей длительностей выбросов случайных процессов | |
JPH0534192A (ja) | 超音波送受波装置 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20031224 |
|
A524 | Written submission of copy of amendment under article 19 pct |
Free format text: JAPANESE INTERMEDIATE CODE: A524 Effective date: 20031224 |
|
TRDD | Decision of grant or rejection written | ||
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20040224 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20040311 |
|
R150 | Certificate of patent or registration of utility model |
Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20080326 Year of fee payment: 4 |
|
FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20090326 Year of fee payment: 5 |
|
FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20090326 Year of fee payment: 5 |
|
FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20100326 Year of fee payment: 6 |
|
FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20100326 Year of fee payment: 6 |
|
FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20110326 Year of fee payment: 7 |
|
FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20130326 Year of fee payment: 9 |
|
FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20140326 Year of fee payment: 10 |
|
LAPS | Cancellation because of no payment of annual fees |