GB9916367D0 - Direction sensitive warning panel - Google Patents

Direction sensitive warning panel

Info

Publication number
GB9916367D0
GB9916367D0 GBGB9916367.7A GB9916367A GB9916367D0 GB 9916367 D0 GB9916367 D0 GB 9916367D0 GB 9916367 A GB9916367 A GB 9916367A GB 9916367 D0 GB9916367 D0 GB 9916367D0
Authority
GB
United Kingdom
Prior art keywords
warning panel
direction sensitive
sensitive warning
panel
warning
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Withdrawn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
GBGB9916367.7A
Other versions
GB2352106A (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.)
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 GB9916367A priority Critical patent/GB2352106A/en
Publication of GB9916367D0 publication Critical patent/GB9916367D0/en
Publication of GB2352106A publication Critical patent/GB2352106A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • 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
    • G01S3/00—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received
    • G01S3/78—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received using electromagnetic waves other than radio waves
    • G01S3/781—Details
    • 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
    • G01S3/00—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received
    • G01S3/78—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received using electromagnetic waves other than radio waves
    • G01S3/782—Systems for determining direction or deviation from predetermined direction
    • G01S3/783—Systems for determining direction or deviation from predetermined direction using amplitude comparison of signals derived from static detectors or detector systems
    • 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
GB9916367A 1999-07-14 1999-07-14 Direction-sensitive warning panel Withdrawn GB2352106A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9916367A GB2352106A (en) 1999-07-14 1999-07-14 Direction-sensitive warning panel

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9916367A GB2352106A (en) 1999-07-14 1999-07-14 Direction-sensitive warning panel

Publications (2)

Publication Number Publication Date
GB9916367D0 true GB9916367D0 (en) 1999-09-15
GB2352106A GB2352106A (en) 2001-01-17

Family

ID=10857137

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9916367A Withdrawn GB2352106A (en) 1999-07-14 1999-07-14 Direction-sensitive warning panel

Country Status (1)

Country Link
GB (1) GB2352106A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2395337B (en) * 2002-11-14 2005-12-28 Gary Michael Wilson Warning Unit

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4468658A (en) * 1979-09-10 1984-08-28 Rossin John A Simplified intruder detection module
DE3578764D1 (en) * 1985-01-24 1990-08-23 Cerberus Ag INFRARED BURGLAR DETECTOR.
GB2174224B (en) * 1985-04-15 1988-07-13 Philips Electronic Associated Infra-red intruder detection system
GB2221984A (en) * 1988-05-11 1990-02-21 Graham Wild Optical detector
US4963749A (en) * 1989-02-28 1990-10-16 Detection Systems, Inc. Quad element intrusion detection
GB9026037D0 (en) * 1990-11-30 1991-01-16 Marconi Gec Ltd Motion detector unit
US6081606A (en) * 1996-06-17 2000-06-27 Sarnoff Corporation Apparatus and a method for detecting motion within an image sequence
DE19625235A1 (en) * 1996-06-24 1998-01-02 Abb Patent Gmbh Motion detector for the detection of moving objects emitting heat radiation
NL1005660C2 (en) * 1997-03-27 1998-09-29 Aritech Bv Motion detection system.

Also Published As

Publication number Publication date
GB2352106A (en) 2001-01-17

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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)