DE69723514D1 - Optischer Chopper für ein Wärmebildsystem und Verfahren dazu - Google Patents
Optischer Chopper für ein Wärmebildsystem und Verfahren dazuInfo
- 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
Links
- 238000001931 thermography Methods 0.000 title abstract 2
- 238000000034 method Methods 0.000 title 1
- 230000003287 optical effect Effects 0.000 title 1
- 230000005855 radiation Effects 0.000 abstract 1
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)
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)
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)
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 |
-
1997
- 1997-07-31 US US08/904,145 patent/US5952661A/en not_active Expired - Fee Related
- 1997-08-15 DE DE69723514T patent/DE69723514T2/de not_active Expired - Lifetime
- 1997-08-15 TW TW086111759A patent/TW355741B/zh not_active IP Right Cessation
- 1997-08-15 EP EP97306221A patent/EP0825572B1/de not_active Expired - Lifetime
- 1997-08-15 AT AT97306221T patent/ATE245295T1/de not_active IP Right Cessation
- 1997-08-18 JP JP9236558A patent/JPH10232168A/ja active Pending
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 |