AU7952891A - Improvements in thermal imagers - Google Patents

Improvements in thermal imagers

Info

Publication number
AU7952891A
AU7952891A AU79528/91A AU7952891A AU7952891A AU 7952891 A AU7952891 A AU 7952891A AU 79528/91 A AU79528/91 A AU 79528/91A AU 7952891 A AU7952891 A AU 7952891A AU 7952891 A AU7952891 A AU 7952891A
Authority
AU
Australia
Prior art keywords
thermal imagers
imagers
thermal
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.)
Abandoned
Application number
AU79528/91A
Inventor
Alison Brown Lessells
Hillary Gil Sillitto
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.)
Leonardo MW Ltd
Original Assignee
GEC Ferranti Defence Systems Ltd
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 GEC Ferranti Defence Systems Ltd filed Critical GEC Ferranti Defence Systems Ltd
Publication of AU7952891A publication Critical patent/AU7952891A/en
Abandoned legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
    • G02B7/008—Mountings, adjusting means, or light-tight connections, for optical elements with means for compensating for changes in temperature or for controlling the temperature; thermal stabilisation
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B1/00—Optical elements characterised by the material of which they are made; Optical coatings for optical elements
    • G02B1/02—Optical elements characterised by the material of which they are made; Optical coatings for optical elements made of crystals, e.g. rock-salt, semi-conductors
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B13/00—Optical objectives specially designed for the purposes specified below
    • G02B13/14—Optical objectives specially designed for the purposes specified below for use with infrared or ultraviolet radiation
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B17/00—Systems with reflecting surfaces, with or without refracting elements
    • G02B17/02—Catoptric systems, e.g. image erecting and reversing system
    • 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
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/0025—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 for optical correction, e.g. distorsion, aberration
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/64—Imaging systems using optical elements for stabilisation of the lateral and angular position of the image
    • G02B27/642—Optical derotators, i.e. systems for compensating for image rotation, e.g. using rotating prisms, mirrors
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N3/00—Scanning details of television systems; Combination thereof with generation of supply voltages
    • H04N3/02—Scanning details of television systems; Combination thereof with generation of supply voltages by optical-mechanical means only
    • H04N3/08—Scanning details of television systems; Combination thereof with generation of supply voltages by optical-mechanical means only having a moving reflector
    • H04N3/09—Scanning details of television systems; Combination thereof with generation of supply voltages by optical-mechanical means only having a moving reflector for electromagnetic radiation in the invisible region, e.g. infrared
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/04—Prisms

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Electromagnetism (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Astronomy & Astrophysics (AREA)
  • Lenses (AREA)
  • Transforming Light Signals Into Electric Signals (AREA)
AU79528/91A 1990-06-05 1991-06-04 Improvements in thermal imagers Abandoned AU7952891A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB9012456 1990-06-05
GB9012456A GB2244817B (en) 1990-06-05 1990-06-05 Improvements in thermal imagers

Publications (1)

Publication Number Publication Date
AU7952891A true AU7952891A (en) 1991-12-31

Family

ID=10677058

Family Applications (1)

Application Number Title Priority Date Filing Date
AU79528/91A Abandoned AU7952891A (en) 1990-06-05 1991-06-04 Improvements in thermal imagers

Country Status (3)

Country Link
AU (1) AU7952891A (en)
GB (1) GB2244817B (en)
WO (1) WO1991019377A1 (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2253918B (en) * 1991-03-22 1994-05-04 Gec Ferranti Defence Syst Infrared optical system
EP0527384A1 (en) * 1991-08-09 1993-02-17 Agfa-Gevaert AG Lens with variable focus distance and integrated rotation prism
FR2708353A1 (en) * 1993-07-26 1995-02-03 Bertin & Cie Magnification system for an imaging device with optomechanical scanning
US5903005A (en) * 1995-09-29 1999-05-11 Hughes Electronics Aspherical elements for infrared imaging system
KR100482513B1 (en) * 2002-03-29 2005-04-14 김후식 Fluoroscopy Camera
FR2865045B1 (en) * 2004-01-09 2006-04-21 Thales Sa THREE POSITIONS AFOCAL DEVICE FOR VISUALIZATION SYSTEM
GR20050100480A (en) * 2005-09-21 2007-04-25 Γεωργιος Θεοδωρακης Arrangement of telescopes
DE102010018498B4 (en) * 2010-04-22 2021-08-19 Andreas Obrebski Optical arrangement and optical device or device
DE102013006917A1 (en) * 2013-04-20 2014-10-23 Diehl Bgt Defence Gmbh & Co. Kg Seeker head for a guided missile
US10281694B2 (en) 2017-06-19 2019-05-07 Raytheon Company Anamorphic refractive objective lens assembly

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2180736B1 (en) * 1972-04-15 1977-04-29 Elektro Optik Gmbh & Co Kg
DE2515128A1 (en) * 1975-04-08 1976-10-21 Elektro Optik Gmbh & Co Kg Optical system producing thermographic picture - has receiving optics, scanner, transformation optics single photocell or group
US4427259A (en) * 1982-08-23 1984-01-24 Rockwell International Corporation Selectable field-of-view infrared lens
FR2563016B1 (en) * 1984-04-17 1988-04-29 Trt Telecom Radio Electr TWO-MAGNIFICATION GLASS
US4658140A (en) * 1985-05-20 1987-04-14 Texas Instruments Incorporated Infrared scanner for forward loading infrared device (FLIR)
GB8720923D0 (en) * 1987-09-05 1987-10-14 Emi Plc Thorn Optical image rotators
US4989962A (en) * 1988-10-31 1991-02-05 Hughes Aircraft Company Dual band/dual FOV infrared telescope

Also Published As

Publication number Publication date
WO1991019377A1 (en) 1991-12-12
GB2244817B (en) 1993-12-08
GB9012456D0 (en) 1991-02-20
GB2244817A (en) 1991-12-11

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