DE69723514D1 - Optischer Chopper für ein Wärmebildsystem und Verfahren dazu - Google Patents

Optischer Chopper für ein Wärmebildsystem und Verfahren dazu

Info

Publication number
DE69723514D1
DE69723514D1 DE69723514T DE69723514T DE69723514D1 DE 69723514 D1 DE69723514 D1 DE 69723514D1 DE 69723514 T DE69723514 T DE 69723514T DE 69723514 T DE69723514 T DE 69723514T DE 69723514 D1 DE69723514 D1 DE 69723514D1
Authority
DE
Germany
Prior art keywords
thermal imaging
imaging system
method therefor
optical chopper
chopper
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 - Lifetime
Application number
DE69723514T
Other languages
English (en)
Other versions
DE69723514T2 (de
Inventor
Paul Klocek
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.)
L3 Technologies Inc
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
Publication of DE69723514D1 publication Critical patent/DE69723514D1/de
Application granted granted Critical
Publication of DE69723514T2 publication Critical patent/DE69723514T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/30—Transforming light or analogous information into electric information
    • H04N5/33—Transforming infrared radiation
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
    • G01J5/02—Constructional details
    • G01J5/08—Optical arrangements
    • G01J5/0803—Arrangements for time-dependent attenuation of radiation signals
    • G01J5/0805—Means for chopping radiation
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B13/00—Burglar, theft or intruder alarms
    • G08B13/18—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength
    • G08B13/189—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems
    • G08B13/19—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems using infrared-radiation detection systems
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
  • Radiation Pyrometers (AREA)
DE69723514T 1996-08-16 1997-08-15 Optischer Chopper für ein Wärmebildsystem und Verfahren dazu Expired - Lifetime DE69723514T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US2404896P 1996-08-16 1996-08-16
US24048P 1996-08-16

Publications (2)

Publication Number Publication Date
DE69723514D1 true DE69723514D1 (de) 2003-08-21
DE69723514T2 DE69723514T2 (de) 2004-06-03

Family

ID=21818600

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69723514T Expired - Lifetime DE69723514T2 (de) 1996-08-16 1997-08-15 Optischer Chopper für ein Wärmebildsystem und Verfahren dazu

Country Status (6)

Country Link
US (1) US5952661A (de)
EP (1) EP0825572B1 (de)
JP (1) JPH10232168A (de)
AT (1) ATE245295T1 (de)
DE (1) DE69723514T2 (de)
TW (1) TW355741B (de)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6232044B1 (en) * 1993-11-30 2001-05-15 Raytheon Company Infrared chopper using binary diffractive optics
US5867307A (en) * 1996-11-13 1999-02-02 Raytheon Company Blur film assembly for infrared optical applications
US6573068B1 (en) 1997-11-13 2003-06-03 Genset, S. A. Claudin-50 protein
US7655909B2 (en) * 2006-01-26 2010-02-02 L-3 Communications Corporation Infrared detector elements and methods of forming same
US7462831B2 (en) * 2006-01-26 2008-12-09 L-3 Communications Corporation Systems and methods for bonding
US7459686B2 (en) * 2006-01-26 2008-12-02 L-3 Communications Corporation Systems and methods for integrating focal plane arrays
US8153980B1 (en) 2006-11-30 2012-04-10 L-3 Communications Corp. Color correction for radiation detectors
FR2969284B1 (fr) * 2010-12-17 2012-12-14 Commissariat Energie Atomique Detecteur infrarouge a base de micro-planches bolometriques suspendues
US10677656B2 (en) 2012-12-31 2020-06-09 Flir Systems, Inc. Devices and methods for infrared reference pixels
US9606016B2 (en) 2012-12-31 2017-03-28 Flir Systems, Inc. Devices and methods for determining vacuum pressure levels
JP2016206056A (ja) * 2015-04-24 2016-12-08 株式会社Ｊｖｃケンウッド 推定装置、推定システム
CN105158897A (zh) * 2015-07-28 2015-12-16 昆明物理研究所 一种热释电非制冷长波红外热像仪用二元光学斩波器
US11428577B2 (en) * 2016-02-17 2022-08-30 Carrier Corporation Pyroelectric presence identification system
WO2018132546A1 (en) * 2017-01-13 2018-07-19 The Research Foundation For The State University Of New York Chopped passive infrared sensor apparatus and method for stationary and moving occupant detection
FR3064062B1 (fr) 2017-03-15 2019-04-12 Commissariat A L'energie Atomique Et Aux Energies Alternatives Detecteur pyroelectrique

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB218706A (en) * 1923-03-10 1924-07-10 Bernard Hartley Peter Improvements in and relating to fluid pressure braking apparatus
US3352156A (en) * 1965-02-12 1967-11-14 Barnes Eng Co Radiometer for measuringa temperature of semi-transparent material
DE2061463C3 (de) * 1970-12-14 1978-08-03 Heimann Gmbh, 6200 Wiesbaden Strahlungsmeßgerät, insbesondere Pyrometer
US4072863A (en) * 1976-10-26 1978-02-07 Roundy Carlos B Pyroelectric infrared detection system
GB1551519A (en) * 1977-03-31 1979-08-30 English Electric Valve Co Ltd Radiation shutters
JPS55143418A (en) * 1979-04-27 1980-11-08 Chino Works Ltd Optical measuring instrument
CH669699A5 (de) * 1986-02-20 1989-03-31 Gx Holding Ag
US4965447A (en) * 1988-07-28 1990-10-23 The United States Of America As Represented By The Secretary Of The Army Chopper for staring infrared systems
US5051591A (en) * 1989-07-28 1991-09-24 Texas Instruments Incorporated Reflective chopper for infrared imaging systems
DE69017968T2 (de) * 1989-07-28 1995-08-24 Texas Instruments Inc Reflektierender Zerhacker für Infrarot-Abbildungssysteme.
US6232044B1 (en) * 1993-11-30 2001-05-15 Raytheon Company Infrared chopper using binary diffractive optics
US5486698A (en) * 1994-04-19 1996-01-23 Texas Instruments Incorporated Thermal imaging system with integrated thermal chopper

Also Published As

Publication number Publication date
EP0825572A1 (de) 1998-02-25
ATE245295T1 (de) 2003-08-15
US5952661A (en) 1999-09-14
JPH10232168A (ja) 1998-09-02
DE69723514T2 (de) 2004-06-03
TW355741B (en) 1999-04-11
EP0825572B1 (de) 2003-07-16

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: L-3 COMMUNICATIONS CORP., NEW YORK, N.Y., US

8328 Change in the person/name/address of the agent

Representative=s name: DEHMEL & BETTENHAUSEN, PATENTANWAELTE, 80331 MUENCHEN