ES2196899T3 - Dispositivo para la medicion de la distancia por medio de un laser de semiconductores en la region visible de longitudes de onda segun el procedimiento de tiempo de propagacion. - Google Patents

Dispositivo para la medicion de la distancia por medio de un laser de semiconductores en la region visible de longitudes de onda segun el procedimiento de tiempo de propagacion.

Info

Publication number
ES2196899T3
ES2196899T3 ES99962108T ES99962108T ES2196899T3 ES 2196899 T3 ES2196899 T3 ES 2196899T3 ES 99962108 T ES99962108 T ES 99962108T ES 99962108 T ES99962108 T ES 99962108T ES 2196899 T3 ES2196899 T3 ES 2196899T3
Authority
ES
Spain
Prior art keywords
frequency
type
distance
measuring
laser
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
Application number
ES99962108T
Other languages
English (en)
Inventor
Siegbert Steinlechner
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Robert Bosch GmbH
Original Assignee
Robert Bosch GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Robert Bosch GmbH filed Critical Robert Bosch GmbH
Application granted granted Critical
Publication of ES2196899T3 publication Critical patent/ES2196899T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • 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
    • G01S7/4818—Constructional features, e.g. arrangements of optical elements using optical fibres
    • 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
    • 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
    • G01S17/32—Systems determining position data of a target for measuring distance only using transmission of continuous waves, whether amplitude-, frequency-, or phase-modulated, or unmodulated
    • G01S17/36—Systems determining position data of a target for measuring distance only using transmission of continuous waves, whether amplitude-, frequency-, or phase-modulated, or unmodulated with phase comparison between the received signal and the contemporaneously transmitted signal
    • 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
    • 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
    • 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
    • G01S7/491—Details of non-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
    • G01S7/497—Means for monitoring or calibrating

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

Dispositivo para la medición de la distancia por medio de un láser de semiconductores (11, 208) en la región visible de longitudes de onda según el procedimiento de tiempo de propagación, donde se determina la distancia entre el aparato de medición de la distancia (10) y el objeto, cuya posición debe determinarse, a partir de la longitud del tiempo transcurrido entre la emisión y la recepción de una señal de modulación del láser como valor para la distancia, con un objetivo de colimación (228) para la concentración del haz de rayos de medición (12) emitidos, con una disposición de circuito para la modulación de la radiación de medición, con un objetivo de recepción (15) para el registro y reproducción del haz de rayos de medición (17) reflejado en el objeto sobre una instalación de recepción (16) y con una instalación de evaluación (20) para la determinación y representación de la distancia medida con relación al objeto, caracterizado porque la disposición de circuito para la modulación dela radiación de medición y la instalación de evaluación se pueden conmutar a dos tipos de funcionamiento diferentes, donde se modula, en el primer tipo de funcionamiento, con una primera frecuencia (f1/n) y en el segundo tipo de funcionamiento con una segunda frecuencia (f1), que están en una relación n de número entero entre sí, y porque la señal reflejada se multiplica en el primer tipo de funcionamiento por una tercera frecuencia (f2/n) y en el segundo tipo de funcionamiento por una cuarta frecuencia (f2), antes de que sean muestreadas para la evaluación en el primer tipo de funcionamiento con una primera frecuencia de muestreo (fa1) y en el segundo tipo de funcionamiento con una segunda frecuencia de muestreo (fa2), donde la primera frecuencia de muestreo (fa1) es la diferencia de la cuarta (f2) y de la segunda frecuencia (f1) y la segunda frecuencia de muestreo (fa2) es una fracción de número entero (:q) de la segunda frecuencia (f1).
ES99962108T 1998-12-01 1999-12-01 Dispositivo para la medicion de la distancia por medio de un laser de semiconductores en la region visible de longitudes de onda segun el procedimiento de tiempo de propagacion. Expired - Lifetime ES2196899T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19855296A DE19855296C1 (de) 1998-12-01 1998-12-01 Vorrichtung zur Entfernungsmessung mittels eines Halbleiterlasers im sichtbaren Wellenlängenbereich nach dem Laufzeitverfahren

Publications (1)

Publication Number Publication Date
ES2196899T3 true ES2196899T3 (es) 2003-12-16

Family

ID=7889558

Family Applications (1)

Application Number Title Priority Date Filing Date
ES99962108T Expired - Lifetime ES2196899T3 (es) 1998-12-01 1999-12-01 Dispositivo para la medicion de la distancia por medio de un laser de semiconductores en la region visible de longitudes de onda segun el procedimiento de tiempo de propagacion.

Country Status (6)

Country Link
US (1) US6369880B1 (es)
EP (1) EP1051640B1 (es)
JP (1) JP2002531837A (es)
DE (2) DE19855296C1 (es)
ES (1) ES2196899T3 (es)
WO (1) WO2000033104A1 (es)

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Also Published As

Publication number Publication date
US6369880B1 (en) 2002-04-09
DE59904726D1 (de) 2003-04-30
EP1051640A1 (de) 2000-11-15
EP1051640B1 (de) 2003-03-26
DE19855296C1 (de) 2000-08-31
WO2000033104A1 (de) 2000-06-08
JP2002531837A (ja) 2002-09-24

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