WO2001081972A3 - Method and apparatus for obtaining infrared images in a night vision system - Google Patents

Method and apparatus for obtaining infrared images in a night vision system Download PDF

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Publication number
WO2001081972A3
WO2001081972A3 PCT/US2001/013268 US0113268W WO0181972A3 WO 2001081972 A3 WO2001081972 A3 WO 2001081972A3 US 0113268 W US0113268 W US 0113268W WO 0181972 A3 WO0181972 A3 WO 0181972A3
Authority
WO
WIPO (PCT)
Prior art keywords
approximately
less
night vision
vision system
camera unit
Prior art date
Application number
PCT/US2001/013268
Other languages
French (fr)
Other versions
WO2001081972A2 (en
Inventor
Alexander L Kormos
Original Assignee
Raytheon Co
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 Raytheon Co filed Critical Raytheon Co
Priority to AU2001257237A priority Critical patent/AU2001257237A1/en
Publication of WO2001081972A2 publication Critical patent/WO2001081972A2/en
Publication of WO2001081972A3 publication Critical patent/WO2001081972A3/en

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Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B23/00—Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices
    • G02B23/12—Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices with means for image conversion or intensification
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/20—Cameras or camera modules comprising electronic image sensors; Control thereof for generating image signals from infrared radiation only
    • H04N23/23—Cameras or camera modules comprising electronic image sensors; Control thereof for generating image signals from infrared radiation only from thermal infrared radiation

Abstract

A vehicle (10) includes a night vision system with an infrared camera unit (12) that provides information to a display unit (16), which in turn projects an image onto the vehicle windshield (17). The camera unit (12) includes a lens system (26) which images infrared radiation from a scene (21) onto a detector (31) that contains a two-dimensional array of detector elements. The lens system images onto each detector element incoming energy that corresponds to a portion of the scene having a size within the range of approximately 0.8 to 3.5 milliradians. The camera unit provides a horizontal field of view which is less than approximately 14°, while the lens system has an effective focal length which is less than approximately 2.25''. The night vision system is respectively capable and incapable of providing MRT recognition of a multi-bar target having a Nyquist spatial frequency that is respectively less than and greater than a selected frequency, the selected frequency being less than approximately 0.63.
PCT/US2001/013268 2000-04-25 2001-04-24 Method and apparatus for obtaining infrared images in a night vision system WO2001081972A2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU2001257237A AU2001257237A1 (en) 2000-04-25 2001-04-24 Method and apparatus for obtaining infrared images in a night vision system

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US55870000A 2000-04-25 2000-04-25
US09/558,700 2000-04-25

Publications (2)

Publication Number Publication Date
WO2001081972A2 WO2001081972A2 (en) 2001-11-01
WO2001081972A3 true WO2001081972A3 (en) 2002-03-07

Family

ID=24230599

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2001/013268 WO2001081972A2 (en) 2000-04-25 2001-04-24 Method and apparatus for obtaining infrared images in a night vision system

Country Status (2)

Country Link
AU (1) AU2001257237A1 (en)
WO (1) WO2001081972A2 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2001270966A1 (en) * 2000-07-10 2002-01-21 Ophir Optronics Ltd. Impaired vision assist system and method
US20030202097A1 (en) 2000-10-26 2003-10-30 Autoliv Development Ab Night vision arrangement
US7995095B2 (en) 2001-10-18 2011-08-09 Autoliv Development Ab Night vision device for a vehicle
DE60214047T2 (en) * 2002-04-23 2007-03-08 Autoliv Development Ab NIGHT VISION DEVICE
DE102020003610B3 (en) 2020-06-17 2021-09-02 Christian Bleser Retrofit kit with detection system to avoid nocturnal animals colliding with robotic lawn mowers

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4934771A (en) * 1985-05-11 1990-06-19 Pilkington P.E. Limited Optical apparatus
US5414439A (en) * 1994-06-09 1995-05-09 Delco Electronics Corporation Head up display with night vision enhancement
EP0742460A2 (en) * 1995-05-08 1996-11-13 HE HOLDINGS, INC. dba HUGHES ELECTRONICS Display optimization for night vision enhancement systems
US5729016A (en) * 1994-04-12 1998-03-17 Hughes Aircraft Company Low cost night vision system for nonmilitary surface vehicles
WO1998028602A1 (en) * 1996-12-20 1998-07-02 Raytheon Company Semi-opaque chopper for thermal imaging system and method
WO1999033684A2 (en) * 1997-12-31 1999-07-08 Gentex Corporation Vehicle vision system

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4934771A (en) * 1985-05-11 1990-06-19 Pilkington P.E. Limited Optical apparatus
US5729016A (en) * 1994-04-12 1998-03-17 Hughes Aircraft Company Low cost night vision system for nonmilitary surface vehicles
US5414439A (en) * 1994-06-09 1995-05-09 Delco Electronics Corporation Head up display with night vision enhancement
EP0742460A2 (en) * 1995-05-08 1996-11-13 HE HOLDINGS, INC. dba HUGHES ELECTRONICS Display optimization for night vision enhancement systems
WO1998028602A1 (en) * 1996-12-20 1998-07-02 Raytheon Company Semi-opaque chopper for thermal imaging system and method
WO1999033684A2 (en) * 1997-12-31 1999-07-08 Gentex Corporation Vehicle vision system

Also Published As

Publication number Publication date
AU2001257237A1 (en) 2001-11-07
WO2001081972A2 (en) 2001-11-01

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