GB9111866D0 - Light detector - Google Patents

Light detector

Info

Publication number
GB9111866D0
GB9111866D0 GB919111866A GB9111866A GB9111866D0 GB 9111866 D0 GB9111866 D0 GB 9111866D0 GB 919111866 A GB919111866 A GB 919111866A GB 9111866 A GB9111866 A GB 9111866A GB 9111866 D0 GB9111866 D0 GB 9111866D0
Authority
GB
United Kingdom
Prior art keywords
light detector
detector
light
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.)
Granted
Application number
GB919111866A
Other versions
GB2245705B (en
GB2245705A (en
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.)
UVISOL Ltd
Original Assignee
UVISOL 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
Priority claimed from GB909012889A external-priority patent/GB9012889D0/en
Application filed by UVISOL Ltd filed Critical UVISOL Ltd
Publication of GB9111866D0 publication Critical patent/GB9111866D0/en
Publication of GB2245705A publication Critical patent/GB2245705A/en
Application granted granted Critical
Publication of GB2245705B publication Critical patent/GB2245705B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • G01J1/00—Photometry, e.g. photographic exposure meter
    • G01J1/10—Photometry, e.g. photographic exposure meter by comparison with reference light or electric value provisionally void
    • G01J1/16—Photometry, e.g. photographic exposure meter by comparison with reference light or electric value provisionally void using electric radiation detectors
    • G01J1/1626—Arrangements with two photodetectors, the signals of which are compared
    • 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
    • G01J1/00—Photometry, e.g. photographic exposure meter
    • G01J1/10—Photometry, e.g. photographic exposure meter by comparison with reference light or electric value provisionally void
    • G01J1/16—Photometry, e.g. photographic exposure meter by comparison with reference light or electric value provisionally void using electric radiation detectors
    • G01J1/1626—Arrangements with two photodetectors, the signals of which are compared
    • G01J2001/1657—Arrangements with two photodetectors, the signals of which are compared one signal being spectrally modified, e.g. for UV
GB9111866A 1990-06-09 1991-06-03 Light detector Expired - Fee Related GB2245705B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB909012889A GB9012889D0 (en) 1990-06-09 1990-06-09 Light detector
GB909025634A GB9025634D0 (en) 1990-06-09 1990-11-26 Light detector

Publications (3)

Publication Number Publication Date
GB9111866D0 true GB9111866D0 (en) 1991-07-24
GB2245705A GB2245705A (en) 1992-01-08
GB2245705B GB2245705B (en) 1994-05-11

Family

ID=26297180

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9111866A Expired - Fee Related GB2245705B (en) 1990-06-09 1991-06-03 Light detector

Country Status (7)

Country Link
EP (1) EP0566569A1 (en)
JP (1) JPH05508911A (en)
CN (1) CN2098676U (en)
AU (1) AU658568B2 (en)
CA (1) CA2084789A1 (en)
GB (1) GB2245705B (en)
WO (1) WO1991019538A1 (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10246672A (en) * 1997-03-05 1998-09-14 Minolta Co Ltd Photosensitive part structure and photometer
DE19835335C1 (en) 1998-08-05 1999-11-25 Draeger Sicherheitstech Gmbh Infra optical gas sensor for measuring carbon dioxide
US7068361B2 (en) * 1999-06-03 2006-06-27 Baxter International Apparatus, systems and methods for processing and treating a biological fluid with light
JP2001343280A (en) * 2000-06-02 2001-12-14 Yamatake Corp Flame detecting device
CN100460839C (en) * 2004-09-27 2009-02-11 凯鼎科技股份有限公司 Detector for detecting ultraviolet light strength in a plurality of bands and detecting method thereof
GB2429394A (en) * 2005-08-24 2007-02-28 Alistair Robert Riley An insole
JP2015028454A (en) * 2013-07-31 2015-02-12 ミツミ電機株式会社 Semiconductor integrated circuit for optical sensor
CN104132730B (en) * 2014-07-02 2016-08-24 江苏钜熙矿用设备科技有限公司 A kind of mining tunnel explosion suppression device and method
FR3059823B1 (en) * 2016-12-07 2019-08-23 Lynred IMPROVED MULTISPECTRAL DETECTION DEVICE
CN113964159A (en) * 2018-03-09 2022-01-21 Oppo广东移动通信有限公司 Optical sensor, electronic device and manufacturing method thereof

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3521962A (en) * 1964-06-19 1970-07-28 Stanley Electric Co Ltd Light responsive and measuring device
US4372680A (en) * 1980-10-08 1983-02-08 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Miniature spectrally selective dosimeter
GB2181833A (en) * 1985-09-13 1987-04-29 Radtech Inc Computing device for suntanning dose measurement, and process for producing optical filters
JPH02133627U (en) * 1989-04-12 1990-11-06

Also Published As

Publication number Publication date
GB2245705B (en) 1994-05-11
CA2084789A1 (en) 1991-12-10
WO1991019538A1 (en) 1991-12-26
CN2098676U (en) 1992-03-11
JPH05508911A (en) 1993-12-09
AU7903591A (en) 1992-01-07
EP0566569A1 (en) 1993-10-27
GB2245705A (en) 1992-01-08
AU658568B2 (en) 1995-04-27

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19970603