DE69421697D1 - Holographische laserabtastvorrichtung und abstandbestimmungsvorrichtung - Google Patents

Holographische laserabtastvorrichtung und abstandbestimmungsvorrichtung

Info

Publication number
DE69421697D1
DE69421697D1 DE69421697T DE69421697T DE69421697D1 DE 69421697 D1 DE69421697 D1 DE 69421697D1 DE 69421697 T DE69421697 T DE 69421697T DE 69421697 T DE69421697 T DE 69421697T DE 69421697 D1 DE69421697 D1 DE 69421697D1
Authority
DE
Germany
Prior art keywords
detecting device
distance detecting
laser scan
holographic laser
holographic
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 - Fee Related
Application number
DE69421697T
Other languages
English (en)
Other versions
DE69421697T2 (de
Inventor
James Hall
Arthur O'connor
Susan Raffensperger
Seymour Levine
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.)
Northrop Grumman Corp
Original Assignee
Northrop Grumman 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 Northrop Grumman Corp filed Critical Northrop Grumman Corp
Publication of DE69421697D1 publication Critical patent/DE69421697D1/de
Application granted granted Critical
Publication of DE69421697T2 publication Critical patent/DE69421697T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • G02B26/106—Scanning systems having diffraction gratings as scanning elements, e.g. holographic scanners
    • 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
    • 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
    • G01S17/933—Lidar systems specially adapted for specific applications for anti-collision purposes of aircraft or spacecraft
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
    • G03H2270/00—Substrate bearing the hologram
    • G03H2270/20—Shape
    • G03H2270/22—Disc shaped

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)
  • Diffracting Gratings Or Hologram Optical Elements (AREA)
DE69421697T 1993-04-30 1994-04-20 Holographische laserabtastvorrichtung und abstandbestimmungsvorrichtung Expired - Fee Related DE69421697T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/056,218 US5471326A (en) 1993-04-30 1993-04-30 Holographic laser scanner and rangefinder
PCT/US1994/004374 WO1994025890A1 (en) 1993-04-30 1994-04-20 Holographic laser scanner and rangefinder

Publications (2)

Publication Number Publication Date
DE69421697D1 true DE69421697D1 (de) 1999-12-23
DE69421697T2 DE69421697T2 (de) 2000-06-21

Family

ID=22002974

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69421697T Expired - Fee Related DE69421697T2 (de) 1993-04-30 1994-04-20 Holographische laserabtastvorrichtung und abstandbestimmungsvorrichtung

Country Status (6)

Country Link
US (1) US5471326A (de)
EP (1) EP0696360B1 (de)
JP (1) JP3553597B2 (de)
DE (1) DE69421697T2 (de)
IL (1) IL109391A (de)
WO (1) WO1994025890A1 (de)

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Also Published As

Publication number Publication date
IL109391A (en) 1998-04-05
JPH08510336A (ja) 1996-10-29
EP0696360A1 (de) 1996-02-14
JP3553597B2 (ja) 2004-08-11
DE69421697T2 (de) 2000-06-21
EP0696360B1 (de) 1999-11-17
WO1994025890A1 (en) 1994-11-10
US5471326A (en) 1995-11-28

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee