AU2708697A - Event detection device with reduced blind zone - Google Patents

Event detection device with reduced blind zone

Info

Publication number
AU2708697A
AU2708697A AU27086/97A AU2708697A AU2708697A AU 2708697 A AU2708697 A AU 2708697A AU 27086/97 A AU27086/97 A AU 27086/97A AU 2708697 A AU2708697 A AU 2708697A AU 2708697 A AU2708697 A AU 2708697A
Authority
AU
Australia
Prior art keywords
detection device
event detection
blind zone
reduced blind
reduced
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.)
Abandoned
Application number
AU27086/97A
Inventor
John Konstandelos
Matthew Whitehead
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.)
Pyronix Ltd
Original Assignee
Pyronix 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 Pyronix Ltd filed Critical Pyronix Ltd
Publication of AU2708697A publication Critical patent/AU2708697A/en
Abandoned legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/12—Supports; Mounting means
    • H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
    • G01S13/02—Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
    • G01S13/50—Systems of measurement based on relative movement of target
    • G01S13/52—Discriminating between fixed and moving objects or between objects moving at different speeds
    • G01S13/56—Discriminating between fixed and moving objects or between objects moving at different speeds for presence detection
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q19/00—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic
    • H01Q19/005—Patch antenna using one or more coplanar parasitic elements
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
    • G01S13/86—Combinations of radar systems with non-radar systems, e.g. sonar, direction finder

Landscapes

  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Radar Systems Or Details Thereof (AREA)
AU27086/97A 1996-05-10 1997-05-09 Event detection device with reduced blind zone Abandoned AU2708697A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB9609798A GB2312992A (en) 1996-05-10 1996-05-10 Doppler microwave event detection device
GB9609798 1996-05-10
PCT/GB1997/001264 WO1997043662A1 (en) 1996-05-10 1997-05-09 Event detection device with reduced blind zone

Publications (1)

Publication Number Publication Date
AU2708697A true AU2708697A (en) 1997-12-05

Family

ID=10793498

Family Applications (1)

Application Number Title Priority Date Filing Date
AU27086/97A Abandoned AU2708697A (en) 1996-05-10 1997-05-09 Event detection device with reduced blind zone

Country Status (4)

Country Link
AU (1) AU2708697A (en)
GB (1) GB2312992A (en)
IL (1) IL126941A0 (en)
WO (1) WO1997043662A1 (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3470657B2 (en) * 1999-10-19 2003-11-25 日本電気株式会社 Sector beam antenna device with scatterer
FR2905023B1 (en) * 2006-08-17 2008-10-10 Rhodanienne D Electronique App DUAL TECHNOLOGY DETECTION DEVICE HAVING AN INFRARED CHANNEL AND A HYPERFREQUENCY CHANNEL GENERATING A DOUBLE DETECTION LOBE.
FR2906895B1 (en) * 2006-10-04 2010-04-16 Renault Sas DEVICE FOR DETECTING AN OBSTACLE AT THE BACK OF A VEHICLE
GB2445592B (en) * 2007-01-12 2012-01-04 E2V Tech Uk Ltd Antenna structure
US8618999B2 (en) 2007-11-14 2013-12-31 Honeywell International Inc. Microwave motion sensor with a reflector
US8169356B2 (en) 2007-12-31 2012-05-01 Honeywell International Inc. Anti-mask motion sensor
JP2011027651A (en) * 2009-07-28 2011-02-10 Panasonic Electric Works Co Ltd Human body detection device
CN113611068A (en) * 2021-09-30 2021-11-05 南通围界盾智能科技有限公司 Mobile rapid deployment guard system

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3911443A (en) * 1973-11-28 1975-10-07 Johnson Service Co Split beam antenna apparatus for developing angularly oriented beams
JPS57112261U (en) * 1980-12-27 1982-07-12
IT1219751B (en) * 1988-04-13 1990-05-24 Elkron Spa COMBINED MICROWAVE AND INFRARED DETECTOR DEVICE, PARTICULARLY FOR ANTI-INTRUSION SYSTEMS
JPH0793532B2 (en) * 1988-12-27 1995-10-09 原田工業株式会社 Flat patch antenna
DE4313395A1 (en) * 1993-04-23 1994-11-10 Hirschmann Richard Gmbh Co Planar antenna
GB2280558B (en) * 1993-07-31 1998-04-15 Plessey Semiconductors Ltd Doppler microwave sensor

Also Published As

Publication number Publication date
GB2312992A (en) 1997-11-12
IL126941A0 (en) 1999-09-22
WO1997043662A1 (en) 1997-11-20
GB9609798D0 (en) 1996-07-17

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