BR0206753A - Processo e dispositivo de detecção de obstáculo e de medida de distância por radiação infravermelha - Google Patents

Processo e dispositivo de detecção de obstáculo e de medida de distância por radiação infravermelha

Info

Publication number
BR0206753A
BR0206753A BR0206753-6A BR0206753A BR0206753A BR 0206753 A BR0206753 A BR 0206753A BR 0206753 A BR0206753 A BR 0206753A BR 0206753 A BR0206753 A BR 0206753A
Authority
BR
Brazil
Prior art keywords
radiation
distance
power
infrared radiation
distance measurement
Prior art date
Application number
BR0206753-6A
Other languages
English (en)
Inventor
Erwan Lavarec
Laurent Tremel
Original Assignee
Wany Sa
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 Wany Sa filed Critical Wany Sa
Publication of BR0206753A publication Critical patent/BR0206753A/pt

Links

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
    • 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
    • G01S17/04—Systems determining the presence of a target
    • 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
    • G01S17/87—Combinations of systems using electromagnetic waves other than radio 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
    • G01S17/88—Lidar systems specially adapted for specific applications
    • G01S17/93—Lidar systems specially adapted for specific applications for anti-collision purposes
    • G01S17/931—Lidar systems specially adapted for specific applications for anti-collision purposes of land vehicles

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Optical Radar Systems And Details Thereof (AREA)
  • Measurement Of Optical Distance (AREA)
  • Radar Systems Or Details Thereof (AREA)

Abstract

"PROCESSO E DISPOSITIVO DE DETECçãO DE OBSTáCULO E DE MEDIDA DE DISTâNCIA POR RADIAçãO INFRA-VERMELHA". A presente invenção refere-se a um processo de medida de distância entre um primeiro objeto (1) e um segundo objeto (2), no qual: a) se emite uma radiação de onda infravermelha (3), a partir de um emissor (4) fixado sobre esse primeiro objeto (1), essa radiação (3) sendo emitida em direção a esse segundo objeto (2); e b) se detecta o retorno dessa radiação, depois que tenha sido refletida por esse segundo objeto (2) sobre um receptor (5) fixado sobre esse primeiro objeto (1), nas proximidades desse emissor (4), caracterizado pelo fato de: 1) se fazer variar gradualmente a potência da radiação infravermelha emitida por esse emissor (1) até que atinja uma potência de detecção (Ps) correspondente à potência de onda emitida, a partir da qual a radiação refletida por esse segundo objeto detectado por esse receptor; e 2) se calcula a distância (D) entre esse primeiro objeto (1) e esse segundo objeto (2) a partir do valor dessa potência de detecção, estabelecendo uma correlação por aferição entre essa distância (D) e essa potência de detecção. A presente invenção refere-se igualmente a um dispositivo de detecção de obstáculo e medida de distância.
BR0206753-6A 2001-01-26 2002-01-25 Processo e dispositivo de detecção de obstáculo e de medida de distância por radiação infravermelha BR0206753A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0101065A FR2820216B1 (fr) 2001-01-26 2001-01-26 Procede et dispositif de detection d'obstacle et de mesure de distance par rayonnement infrarouge
PCT/FR2002/000304 WO2002059646A1 (fr) 2001-01-26 2002-01-25 Procede et dispositif de detection d'obstacle et de mesure de distance par rayonnement infrarouge

Publications (1)

Publication Number Publication Date
BR0206753A true BR0206753A (pt) 2004-02-10

Family

ID=8859269

Family Applications (1)

Application Number Title Priority Date Filing Date
BR0206753-6A BR0206753A (pt) 2001-01-26 2002-01-25 Processo e dispositivo de detecção de obstáculo e de medida de distância por radiação infravermelha

Country Status (13)

Country Link
US (1) US20040088079A1 (pt)
EP (1) EP1354220B1 (pt)
JP (1) JP2004522147A (pt)
KR (1) KR20030090628A (pt)
CN (1) CN1489702A (pt)
AT (1) ATE298094T1 (pt)
BR (1) BR0206753A (pt)
CA (1) CA2435325A1 (pt)
DE (1) DE60204659T2 (pt)
FR (1) FR2820216B1 (pt)
HK (1) HK1055468A1 (pt)
IL (1) IL157092A0 (pt)
WO (1) WO2002059646A1 (pt)

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Also Published As

Publication number Publication date
HK1055468A1 (en) 2004-01-09
ATE298094T1 (de) 2005-07-15
DE60204659D1 (de) 2005-07-21
WO2002059646A1 (fr) 2002-08-01
FR2820216B1 (fr) 2003-04-25
CN1489702A (zh) 2004-04-14
EP1354220B1 (fr) 2005-06-15
FR2820216A1 (fr) 2002-08-02
CA2435325A1 (fr) 2002-08-01
EP1354220A1 (fr) 2003-10-22
US20040088079A1 (en) 2004-05-06
KR20030090628A (ko) 2003-11-28
DE60204659T2 (de) 2006-05-04
IL157092A0 (en) 2004-02-08
JP2004522147A (ja) 2004-07-22

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