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GB9312144D0 - Motion detection system - Google Patents

Motion detection system

Info

Publication number
GB9312144D0
GB9312144D0 GB939312144A GB9312144A GB9312144D0 GB 9312144 D0 GB9312144 D0 GB 9312144D0 GB 939312144 A GB939312144 A GB 939312144A GB 9312144 A GB9312144 A GB 9312144A GB 9312144 D0 GB9312144 D0 GB 9312144D0
Authority
GB
United Kingdom
Prior art keywords
detection system
motion detection
motion
detection
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.)
Withdrawn
Application number
GB939312144A
Other versions
GB2279791A (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.)
DIGITAL AUDIO Ltd
Original Assignee
DIGITAL AUDIO 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 DIGITAL AUDIO Ltd filed Critical DIGITAL AUDIO Ltd
Priority to GB9312144A priority Critical patent/GB2279791A/en
Publication of GB9312144D0 publication Critical patent/GB9312144D0/en
Publication of GB2279791A publication Critical patent/GB2279791A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • 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
    • G08B29/183—Single detectors using dual technologies
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B13/00—Burglar, theft or intruder alarms
    • G08B13/16—Actuation by interference with mechanical vibrations in air or other fluid
    • G08B13/1609—Actuation by interference with mechanical vibrations in air or other fluid using active vibration detection systems
    • G08B13/1645—Actuation by interference with mechanical vibrations in air or other fluid using active vibration detection systems using ultrasonic detection means and other detection means, e.g. microwave or infrared radiation

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Burglar Alarm Systems (AREA)
GB9312144A 1993-06-12 1993-06-12 Motion detecting system Withdrawn GB2279791A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9312144A GB2279791A (en) 1993-06-12 1993-06-12 Motion detecting system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9312144A GB2279791A (en) 1993-06-12 1993-06-12 Motion detecting system

Publications (2)

Publication Number Publication Date
GB9312144D0 true GB9312144D0 (en) 1993-07-28
GB2279791A GB2279791A (en) 1995-01-11

Family

ID=10737058

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9312144A Withdrawn GB2279791A (en) 1993-06-12 1993-06-12 Motion detecting system

Country Status (1)

Country Link
GB (1) GB2279791A (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2311158B (en) * 1996-05-10 1998-04-29 Pyronix Ltd Event detection device
FR2812433A1 (en) * 2000-07-28 2002-02-01 Turquoise Com Internat Lda METHOD AND DEVICE FOR THE CONTINUOUS PROTECTION AGAINST INTRUSIONS IN POTENTIALLY INHABITED PREMISES
DE20311245U1 (en) * 2003-07-21 2003-09-18 Everspring Industry Co. Ltd., Kweishan, Taoyuan Multiple detection device
US20080029703A1 (en) 2006-08-01 2008-02-07 Robert Bosch Gmbh System and method for range selectable motion detection
US8232909B2 (en) 2008-09-30 2012-07-31 Cooper Technologies Company Doppler radar motion detector for an outdoor light fixture
US8410922B2 (en) * 2010-11-23 2013-04-02 The Watt Stopper Inc. Motion sensor with ultrasonic modulation
GB2515090A (en) * 2013-06-13 2014-12-17 Xtra Sense Ltd A cabinet alarm system and method
DE202014106128U1 (en) 2014-12-17 2015-02-02 Xtra-Sense Ltd. Cabinet Alarm System

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2613845C3 (en) * 1976-03-31 1979-06-28 Siemens Ag, 1000 Berlin Und 8000 Muenchen Burglar alarm device evaluating the Doppler shift of the reflection of electromagnetic and ultrasonic radiation
DE2656399C3 (en) * 1976-12-13 1979-10-11 Siemens Ag, 1000 Berlin Und 8000 Muenchen Circuit arrangement for a burglar alarm device with coincidence operation of an ultrasonic and an electromagnetic Doppler device
US4608674A (en) * 1982-08-06 1986-08-26 American District Telegraph Company Constant range ultrasonic motion detector
US4663521A (en) * 1985-02-15 1987-05-05 Rca Corporation Infrared radiation controlled switch with a visible light detector
US4943712A (en) * 1988-12-07 1990-07-24 Tahoe Products Incorporated Motion detector
US5077548A (en) * 1990-06-29 1991-12-31 Detection Systems, Inc. Dual technology intruder detection system with sensitivity adjustment after "default"

Also Published As

Publication number Publication date
GB2279791A (en) 1995-01-11

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)