GB2526994B - A detector unit with a reflector - Google Patents

A detector unit with a reflector Download PDF

Info

Publication number
GB2526994B
GB2526994B GB1516897.4A GB201516897A GB2526994B GB 2526994 B GB2526994 B GB 2526994B GB 201516897 A GB201516897 A GB 201516897A GB 2526994 B GB2526994 B GB 2526994B
Authority
GB
United Kingdom
Prior art keywords
reflector
detector unit
detector
unit
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.)
Active
Application number
GB1516897.4A
Other versions
GB2526994A (en
GB201516897D0 (en
Inventor
Townsend Robert
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.)
Novar ED&S Ltd
Original Assignee
Novar ED&S 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 Novar ED&S Ltd filed Critical Novar ED&S Ltd
Publication of GB201516897D0 publication Critical patent/GB201516897D0/en
Publication of GB2526994A publication Critical patent/GB2526994A/en
Application granted granted Critical
Publication of GB2526994B publication Critical patent/GB2526994B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
    • G01J5/02—Constructional details
    • G01J5/08—Optical arrangements
    • G01J5/0808—Convex mirrors
    • 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
    • G01J5/0022—Radiation pyrometry, e.g. infrared or optical thermometry for sensing the radiation of moving bodies
    • G01J5/0025—Living bodies
    • 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
    • G01J5/07—Arrangements for adjusting the solid angle of collected radiation, e.g. adjusting or orienting field of view, tracking position or encoding angular position
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B19/00—Condensers, e.g. light collectors or similar non-imaging optics
    • G02B19/0004—Condensers, e.g. light collectors or similar non-imaging optics characterised by the optical means employed
    • G02B19/0019—Condensers, e.g. light collectors or similar non-imaging optics characterised by the optical means employed having reflective surfaces only (e.g. louvre systems, systems with multiple planar reflectors)
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B19/00—Condensers, e.g. light collectors or similar non-imaging optics
    • G02B19/0033—Condensers, e.g. light collectors or similar non-imaging optics characterised by the use
    • G02B19/0076—Condensers, e.g. light collectors or similar non-imaging optics characterised by the use for use with a detector
    • G02B19/008—Condensers, e.g. light collectors or similar non-imaging optics characterised by the use for use with a detector adapted to collect light from a complete hemisphere or a plane extending 360 degrees around the detector
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B19/00—Condensers, e.g. light collectors or similar non-imaging optics
    • G02B19/0033—Condensers, e.g. light collectors or similar non-imaging optics characterised by the use
    • G02B19/009—Condensers, e.g. light collectors or similar non-imaging optics characterised by the use for use with infrared 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
    • G08B13/193—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 using focusing means
GB1516897.4A 2013-03-26 2014-03-25 A detector unit with a reflector Active GB2526994B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB201305490A GB201305490D0 (en) 2013-03-26 2013-03-26 A detector unit with a reflector
PCT/GB2014/050934 WO2014155088A1 (en) 2013-03-26 2014-03-25 A detector unit with a reflector

Publications (3)

Publication Number Publication Date
GB201516897D0 GB201516897D0 (en) 2015-11-11
GB2526994A GB2526994A (en) 2015-12-09
GB2526994B true GB2526994B (en) 2020-05-27

Family

ID=48326666

Family Applications (2)

Application Number Title Priority Date Filing Date
GB201305490A Ceased GB201305490D0 (en) 2013-03-26 2013-03-26 A detector unit with a reflector
GB1516897.4A Active GB2526994B (en) 2013-03-26 2014-03-25 A detector unit with a reflector

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB201305490A Ceased GB201305490D0 (en) 2013-03-26 2013-03-26 A detector unit with a reflector

Country Status (2)

Country Link
GB (2) GB201305490D0 (en)
WO (1) WO2014155088A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9733127B2 (en) 2016-01-19 2017-08-15 Google Inc. System and method for estimating size and location of moving objects
US10605666B2 (en) * 2017-12-28 2020-03-31 Ademco Inc. Ceiling mount intrusion detector with PIR mirror with adjustable mount height

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3972598A (en) * 1974-09-09 1976-08-03 Leco Corporation Multifaceted mirror structure for infrared radiation detector
US4606600A (en) * 1984-01-03 1986-08-19 Inovatronic Elektronische Systeme Gmbh Passive infrared movement detector
EP0303913A1 (en) * 1987-08-11 1989-02-22 Cerberus Ag Intrusion detector
US5089704A (en) * 1990-10-18 1992-02-18 C & K Systems, Inc. Wide angle ceiling mounted passive infrared intrusion detection system

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3972598A (en) * 1974-09-09 1976-08-03 Leco Corporation Multifaceted mirror structure for infrared radiation detector
US4606600A (en) * 1984-01-03 1986-08-19 Inovatronic Elektronische Systeme Gmbh Passive infrared movement detector
EP0303913A1 (en) * 1987-08-11 1989-02-22 Cerberus Ag Intrusion detector
US5089704A (en) * 1990-10-18 1992-02-18 C & K Systems, Inc. Wide angle ceiling mounted passive infrared intrusion detection system

Also Published As

Publication number Publication date
GB2526994A (en) 2015-12-09
GB201305490D0 (en) 2013-05-08
WO2014155088A1 (en) 2014-10-02
GB201516897D0 (en) 2015-11-11

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