GB2402532B - Sensor cover - Google Patents

Sensor cover

Info

Publication number
GB2402532B
GB2402532B GB0408450A GB0408450A GB2402532B GB 2402532 B GB2402532 B GB 2402532B GB 0408450 A GB0408450 A GB 0408450A GB 0408450 A GB0408450 A GB 0408450A GB 2402532 B GB2402532 B GB 2402532B
Authority
GB
United Kingdom
Prior art keywords
sensor cover
sensor
cover
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 - Fee Related
Application number
GB0408450A
Other versions
GB0408450D0 (en
GB2402532A (en
Inventor
Mark Anthony Wheatley
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to GB0408450A priority Critical patent/GB2402532B/en
Publication of GB0408450D0 publication Critical patent/GB0408450D0/en
Publication of GB2402532A publication Critical patent/GB2402532A/en
Application granted granted Critical
Publication of GB2402532B publication Critical patent/GB2402532B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • G08B29/18—Prevention or correction of operating errors

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Burglar Alarm Systems (AREA)
GB0408450A 2004-04-15 2004-04-15 Sensor cover Expired - Fee Related GB2402532B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB0408450A GB2402532B (en) 2004-04-15 2004-04-15 Sensor cover

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0408450A GB2402532B (en) 2004-04-15 2004-04-15 Sensor cover

Publications (3)

Publication Number Publication Date
GB0408450D0 GB0408450D0 (en) 2004-05-19
GB2402532A GB2402532A (en) 2004-12-08
GB2402532B true GB2402532B (en) 2005-06-01

Family

ID=32320902

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0408450A Expired - Fee Related GB2402532B (en) 2004-04-15 2004-04-15 Sensor cover

Country Status (1)

Country Link
GB (1) GB2402532B (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2221984A (en) * 1988-05-11 1990-02-21 Graham Wild Optical detector
GB2332955A (en) * 1998-01-04 1999-07-07 Visonic Ltd Array of cylindrical lenses and passive infrared intrusion sensor
WO2001067414A1 (en) * 2000-03-10 2001-09-13 Digital Security Controls Ltd. Pet resistant pir detector

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2221984A (en) * 1988-05-11 1990-02-21 Graham Wild Optical detector
GB2332955A (en) * 1998-01-04 1999-07-07 Visonic Ltd Array of cylindrical lenses and passive infrared intrusion sensor
WO2001067414A1 (en) * 2000-03-10 2001-09-13 Digital Security Controls Ltd. Pet resistant pir detector

Also Published As

Publication number Publication date
GB0408450D0 (en) 2004-05-19
GB2402532A (en) 2004-12-08

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Legal Events

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

Effective date: 20080415