ES2194073T3 - Circuito y metodo para determinar el instante de llegada. - Google Patents
Circuito y metodo para determinar el instante de llegada.Info
- Publication number
- ES2194073T3 ES2194073T3 ES96119493T ES96119493T ES2194073T3 ES 2194073 T3 ES2194073 T3 ES 2194073T3 ES 96119493 T ES96119493 T ES 96119493T ES 96119493 T ES96119493 T ES 96119493T ES 2194073 T3 ES2194073 T3 ES 2194073T3
- Authority
- ES
- Spain
- Prior art keywords
- signal
- arrival
- crossing
- delayed
- analog
- 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 - Lifetime
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
- G01S7/486—Receivers
- G01S7/4865—Time delay measurement, e.g. time-of-flight measurement, time of arrival measurement or determining the exact position of a peak
-
- 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
- G01S7/4873—Extracting wanted echo signals, e.g. pulse detection by deriving and controlling a threshold value
-
- 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
- G01S17/18—Systems determining position data of a target for measuring distance only using transmission of interrupted, pulse-modulated waves wherein range gates are used
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)
- Dc Digital Transmission (AREA)
- Optical Radar Systems And Details Thereof (AREA)
- Pulse Circuits (AREA)
- Optical Communication System (AREA)
Abstract
SE PRESENTA UN CIRCUITO Y METODO MEJORADOS PARA HACER MEDIDAS PRECISAS DEL TIEMPO DE LLEGADA SOBRE DATOS DE IMPULSOS OPTICOS DE ANCHURAS RELATIVAMENTE VARIABLES. LA INVENCION SUMINISTRA UNA SEÑAL DE ENTRADA ANALOGICA (B) QUE REPRESENTA LOS DATOS DE IMPULSOS OPTICOS RECIBIDOS, JUNTO CON UNA VERSION RETARDADA (A) DE LA SEÑAL DE ENTRADA ANALOGICA (B). EL TIEMPO DE RETRASO SE AJUSTA DE MANERA QUE LA SEÑAL ANALOGICA ORIGINAL Y LA SEÑAL ANALOGICA RETARDADA SE CRUCEN ENTRE SI EN UN PUNTO PREDETERMINADO. ESTE CRUCE SE PRODUCE CONSISTENTEMENTE EN EL MISMO PUNTO DE LA SEÑAL CON INDEPENDENCIA DEL TAMAÑO O FORMA DEL IMPULSION ANALOGICA. PREFERIBLEMENTE, EL CRUCE SE PRODUCE APROXIMADAMENTE A UN 70% DE LA AMPLITUD MAXIMA DE LA SEÑAL ANALOGICA. EL PUNTO DE CRUCE ENTRE LA SEÑAL ORIGINAL (B) Y LA SEÑAL RETARDADA (A) DISPARA LA GENERACION DE UN BORDE DELANTERO DE UN MOMENTO DE IMPULSO DE LLEGADA (E).
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/568,326 US5726742A (en) | 1995-12-06 | 1995-12-06 | Circuit and method for determining time of arrival |
Publications (1)
Publication Number | Publication Date |
---|---|
ES2194073T3 true ES2194073T3 (es) | 2003-11-16 |
Family
ID=24270832
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES96119493T Expired - Lifetime ES2194073T3 (es) | 1995-12-06 | 1996-12-05 | Circuito y metodo para determinar el instante de llegada. |
Country Status (7)
Country | Link |
---|---|
US (1) | US5726742A (es) |
EP (1) | EP0778472B1 (es) |
CA (1) | CA2191918C (es) |
DE (1) | DE69626611T2 (es) |
ES (1) | ES2194073T3 (es) |
IL (1) | IL119770A (es) |
NO (1) | NO965180L (es) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH1048338A (ja) * | 1996-05-20 | 1998-02-20 | Olympus Optical Co Ltd | 距離測定装置 |
JPH11214972A (ja) * | 1998-01-26 | 1999-08-06 | Mitsubishi Electric Corp | 半導体回路装置及びレシーバ回路 |
JP2000065929A (ja) | 1998-08-21 | 2000-03-03 | Olympus Optical Co Ltd | 距離測定方法及び距離測定装置 |
US6549594B1 (en) | 1999-05-28 | 2003-04-15 | Nortel Networks | Timing phase recovery method and apparatus |
US6510186B1 (en) | 1999-05-28 | 2003-01-21 | Nortel Networks Limited | Signal time of arrival estimation method and system |
FR2805682B1 (fr) * | 2000-02-28 | 2002-05-31 | St Microelectronics Sa | Dispositif de comparaison a tres base consommation |
DE10026534A1 (de) * | 2000-05-27 | 2002-02-28 | Diehl Munitionssysteme Gmbh | Laserentfernungsmesseinrichtung für einen Zünder |
US6842231B2 (en) * | 2002-09-30 | 2005-01-11 | Raytheon Company | Method for improved range accuracy in laser range finders |
JP4037774B2 (ja) * | 2003-02-19 | 2008-01-23 | 富士通テン株式会社 | レーダ装置 |
KR100692569B1 (ko) * | 2005-03-25 | 2007-03-13 | 삼성전자주식회사 | 저주파 신호를 이용한 거리 측정 방법 및 장치 |
US7206062B2 (en) * | 2005-04-18 | 2007-04-17 | Raytheon Company | Readout integrated circuit (ROIC) for laser detection and ranging (LADAR) system and method for using same |
KR100780195B1 (ko) * | 2006-11-06 | 2007-11-27 | 삼성전기주식회사 | 펄스 신호의 오버랩 검출 장치, 방법 및 이를 포함하는거리 측정 장치 |
US11471697B2 (en) * | 2015-02-10 | 2022-10-18 | Andrew Hewitson | Laser therapy device and method of use |
EP3489719B1 (en) * | 2017-11-23 | 2023-09-20 | Trimble AB | Improved electronic distance meter |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3763436A (en) * | 1971-12-27 | 1973-10-02 | Us Navy | Amplitude independent time of arrival detector |
FR2497958A1 (fr) * | 1981-01-09 | 1982-07-16 | Thomson Csf | Dispositif de determination de l'instant d'arrivee d'impulsions, utilisation dans un equipement de mesure de distances et equipement de mesure comportant un tel dispositif |
US4676660A (en) * | 1985-05-06 | 1987-06-30 | E-Systems, Inc. | Method and apparatus for generating a timing signal in a time-of-arrival detection system |
CH670896A5 (es) * | 1986-08-13 | 1989-07-14 | Zellweger Uster Ag | |
EP0357822A1 (de) * | 1988-09-08 | 1990-03-14 | Helmut K. Pinsch GmbH & Co. | Verfahren zur Messung der Zeitdifferenz zwischen Impulsen und Einrichtung hierzu |
US5382848A (en) * | 1992-09-11 | 1995-01-17 | Hughes Aircraft Company | Digital integrated time of arrival detector |
-
1995
- 1995-12-06 US US08/568,326 patent/US5726742A/en not_active Expired - Lifetime
-
1996
- 1996-12-03 CA CA002191918A patent/CA2191918C/en not_active Expired - Fee Related
- 1996-12-04 NO NO965180A patent/NO965180L/no not_active Application Discontinuation
- 1996-12-05 DE DE69626611T patent/DE69626611T2/de not_active Expired - Lifetime
- 1996-12-05 ES ES96119493T patent/ES2194073T3/es not_active Expired - Lifetime
- 1996-12-05 EP EP96119493A patent/EP0778472B1/en not_active Expired - Lifetime
- 1996-12-05 IL IL11977096A patent/IL119770A/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
IL119770A (en) | 1999-05-09 |
DE69626611D1 (de) | 2003-04-17 |
EP0778472B1 (en) | 2003-03-12 |
IL119770A0 (en) | 1997-03-18 |
NO965180L (no) | 1997-06-09 |
NO965180D0 (no) | 1996-12-04 |
DE69626611T2 (de) | 2004-02-12 |
EP0778472A3 (en) | 1998-10-07 |
US5726742A (en) | 1998-03-10 |
CA2191918A1 (en) | 1997-06-07 |
CA2191918C (en) | 2000-04-11 |
EP0778472A2 (en) | 1997-06-11 |
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