GB2604854B - Passive infra red intruder detector - Google Patents

Passive infra red intruder detector Download PDF

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Publication number
GB2604854B
GB2604854B GB2103072.1A GB202103072A GB2604854B GB 2604854 B GB2604854 B GB 2604854B GB 202103072 A GB202103072 A GB 202103072A GB 2604854 B GB2604854 B GB 2604854B
Authority
GB
United Kingdom
Prior art keywords
infra red
passive infra
intruder detector
red intruder
detector
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
GB2103072.1A
Other versions
GB2604854A (en
GB202103072D0 (en
Inventor
Pitts Mark
Roberts Simon
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.)
Orisec Ltd
Original Assignee
Orisec 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 Orisec Ltd filed Critical Orisec Ltd
Priority to GB2300889.9A priority Critical patent/GB2612916B/en
Priority to GB2103072.1A priority patent/GB2604854B/en
Priority to GB2305597.3A priority patent/GB2618911A/en
Publication of GB202103072D0 publication Critical patent/GB202103072D0/en
Publication of GB2604854A publication Critical patent/GB2604854A/en
Application granted granted Critical
Publication of GB2604854B publication Critical patent/GB2604854B/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
    • G01J5/0806—Focusing or collimating elements, e.g. lenses or concave mirrors
    • 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
    • G08B13/191—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 pyroelectric sensor means
    • 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
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B29/00—Checking or monitoring of signalling or alarm systems; Prevention or correction of operating errors, e.g. preventing unauthorised operation
    • G08B29/02—Monitoring continuously signalling or alarm systems
    • G08B29/04—Monitoring of the detection circuits
    • G08B29/046—Monitoring of the detection circuits prevention of tampering with detection circuits
GB2103072.1A 2021-03-04 2021-03-04 Passive infra red intruder detector Active GB2604854B (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
GB2300889.9A GB2612916B (en) 2021-03-04 2021-03-04 Passive infra red intruder detector
GB2103072.1A GB2604854B (en) 2021-03-04 2021-03-04 Passive infra red intruder detector
GB2305597.3A GB2618911A (en) 2021-03-04 2021-03-04 Passive infra red intruder detector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2103072.1A GB2604854B (en) 2021-03-04 2021-03-04 Passive infra red intruder detector

Publications (3)

Publication Number Publication Date
GB202103072D0 GB202103072D0 (en) 2021-04-21
GB2604854A GB2604854A (en) 2022-09-21
GB2604854B true GB2604854B (en) 2023-05-31

Family

ID=75472628

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2103072.1A Active GB2604854B (en) 2021-03-04 2021-03-04 Passive infra red intruder detector

Country Status (1)

Country Link
GB (1) GB2604854B (en)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2391936A (en) * 2002-08-13 2004-02-18 Optex Co Ltd Intruder detection device and method
GB2421789A (en) * 2005-03-10 2006-07-05 Pyronix Ltd Intruder detector with two optical Fresnel lens systems
US20130240739A1 (en) * 2012-03-15 2013-09-19 Ninve Jr. Inc. Apparatus and Method for Detecting Tampering with an Infra-Red Motion Sensor
US20150346023A1 (en) * 2012-11-13 2015-12-03 Pyronix Limited Infrared Detection Device and Masking Section

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2391936A (en) * 2002-08-13 2004-02-18 Optex Co Ltd Intruder detection device and method
GB2421789A (en) * 2005-03-10 2006-07-05 Pyronix Ltd Intruder detector with two optical Fresnel lens systems
US20130240739A1 (en) * 2012-03-15 2013-09-19 Ninve Jr. Inc. Apparatus and Method for Detecting Tampering with an Infra-Red Motion Sensor
US20150346023A1 (en) * 2012-11-13 2015-12-03 Pyronix Limited Infrared Detection Device and Masking Section

Also Published As

Publication number Publication date
GB2604854A (en) 2022-09-21
GB202103072D0 (en) 2021-04-21

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