DE102005014466A1 - Objektdetektor für ein Fahrzeug - Google Patents

Objektdetektor für ein Fahrzeug Download PDF

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Publication number
DE102005014466A1
DE102005014466A1 DE102005014466A DE102005014466A DE102005014466A1 DE 102005014466 A1 DE102005014466 A1 DE 102005014466A1 DE 102005014466 A DE102005014466 A DE 102005014466A DE 102005014466 A DE102005014466 A DE 102005014466A DE 102005014466 A1 DE102005014466 A1 DE 102005014466A1
Authority
DE
Germany
Prior art keywords
laser beam
vehicle
area
projected
height
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.)
Withdrawn
Application number
DE102005014466A
Other languages
English (en)
Inventor
Yoshiki Adachi
Takekazu Terui
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.)
Denso Corp
Original Assignee
Denso Corp
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 Denso Corp filed Critical Denso Corp
Publication of DE102005014466A1 publication Critical patent/DE102005014466A1/de
Withdrawn legal-status Critical Current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
    • G01S7/4811—Constructional features, e.g. arrangements of optical elements common to transmitter and receiver
    • G01S7/4813—Housing arrangements
    • 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
    • G01S7/4817—Constructional features, e.g. arrangements of optical elements relating to scanning
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B26/00—Optical devices or arrangements for the control of light using movable or deformable optical elements
    • G02B26/08—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light
    • G02B26/10—Scanning systems
    • G02B26/12—Scanning systems using multifaceted mirrors
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/08—Mirrors
    • G02B5/09—Multifaceted or polygonal mirrors, e.g. polygonal scanning mirrors; Fresnel mirrors
    • 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
    • G01S17/42—Simultaneous measurement of distance and other co-ordinates
    • 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)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Optics & Photonics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Optical Radar Systems And Details Thereof (AREA)
  • Measurement Of Optical Distance (AREA)
  • Length Measuring Devices By Optical Means (AREA)

Abstract

Ein Polygonspiegel (4) eines Objektdetektors eines Fahrzeugs umfasst erste Flächen (4a, 4b, 4c, 4d, 4e) zur Projektion eines Laserstrahls in einen ersten vorbestimmten Bereich und eine zweite Fläche (4f) zur Projektion eines Laserstrahls in einen zweiten vorbestimmten Bereich, der sich in einer größeren Höhe als der erste vorbestimmte Bereich befindet. Der Polygonspiegel (4) wird gedreht, um den Laserstrahl durch ein Projektionsfenster (1c) in den ersten und den zweiten vorbestimmten Bereich zu projizieren. Somit kann der Laserstrahl nicht nur in einen Bereich in normaler Höhe vor dem Fahrzeug, sondern auch in einem Bereich, der in einer größeren Höhe als der normale Bereich angeordnet ist, projiziert werden. Somit kann ein Sondierlicht, selbst wenn ein Reflexionselement eines Objekts an einer hohen Position angeordnet ist, zu dem Reflexionselement projiziert werden. Dadurch kann eine Objekterfassung oder Abstandsmessung korrekt ausgeführt werden.
DE102005014466A 2004-03-31 2005-03-30 Objektdetektor für ein Fahrzeug Withdrawn DE102005014466A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2004104119A JP2005291787A (ja) 2004-03-31 2004-03-31 距離検出装置

Publications (1)

Publication Number Publication Date
DE102005014466A1 true DE102005014466A1 (de) 2005-10-20

Family

ID=35034286

Family Applications (1)

Application Number Title Priority Date Filing Date
DE102005014466A Withdrawn DE102005014466A1 (de) 2004-03-31 2005-03-30 Objektdetektor für ein Fahrzeug

Country Status (4)

Country Link
US (1) US7382442B2 (de)
JP (1) JP2005291787A (de)
CN (1) CN100425945C (de)
DE (1) DE102005014466A1 (de)

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* Cited by examiner, † Cited by third party
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CN111511334A (zh) * 2017-12-22 2020-08-07 松下电器产业株式会社 移动车辆

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DE102013205589A1 (de) * 2013-03-28 2014-10-02 Hilti Aktiengesellschaft Vorrichtung zur optischen Messung einer Distanz zu einem reflektierenden oder streuenden Zielobjekt
US9239959B1 (en) 2013-04-08 2016-01-19 Lockheed Martin Corporation Multi-resolution, wide field-of-view, unmanned ground vehicle navigation sensor
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JP6286895B2 (ja) * 2013-06-25 2018-03-07 株式会社デンソー 光走査装置
WO2015122095A1 (ja) * 2014-02-13 2015-08-20 コニカミノルタ株式会社 ミラーユニット、測距装置及びレーザレーダ、並びにこれらを有する移動体及び固定物
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Publication number Priority date Publication date Assignee Title
CN111511334A (zh) * 2017-12-22 2020-08-07 松下电器产业株式会社 移动车辆
CN111511334B (zh) * 2017-12-22 2022-06-24 松下电器产业株式会社 移动车辆

Also Published As

Publication number Publication date
US7382442B2 (en) 2008-06-03
US20050219504A1 (en) 2005-10-06
JP2005291787A (ja) 2005-10-20
CN1677050A (zh) 2005-10-05
CN100425945C (zh) 2008-10-15

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