GB8614292D0 - Safety devices - Google Patents

Safety devices

Info

Publication number
GB8614292D0
GB8614292D0 GB868614292A GB8614292A GB8614292D0 GB 8614292 D0 GB8614292 D0 GB 8614292D0 GB 868614292 A GB868614292 A GB 868614292A GB 8614292 A GB8614292 A GB 8614292A GB 8614292 D0 GB8614292 D0 GB 8614292D0
Authority
GB
United Kingdom
Prior art keywords
safety devices
safety
devices
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Withdrawn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
GB868614292A
Other versions
GB2177277A (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.)
Bolton Brady Ltd
Original Assignee
Bolton Brady 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 Bolton Brady Ltd filed Critical Bolton Brady Ltd
Publication of GB8614292D0 publication Critical patent/GB8614292D0/en
Publication of GB2177277A publication Critical patent/GB2177277A/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Withdrawn legal-status Critical Current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
    • G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
    • G01S15/88—Sonar systems specially adapted for specific applications
    • G01S15/93—Sonar systems specially adapted for specific applications for anti-collision purposes
    • G01S15/931—Sonar systems specially adapted for specific applications for anti-collision purposes of land vehicles
    • 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
    • G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
    • G01S15/02—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems using reflection of acoustic waves
    • G01S15/50—Systems of measurement, based on relative movement of the target
    • G01S15/52—Discriminating between fixed and moving objects or between objects moving at different speeds
    • G01S15/523—Discriminating between fixed and moving objects or between objects moving at different speeds for presence detection
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V1/00—Seismology; Seismic or acoustic prospecting or detecting
    • G01V1/001—Acoustic presence detection

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Remote Sensing (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Acoustics & Sound (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Geology (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geophysics (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Emergency Alarm Devices (AREA)
GB08614292A 1985-06-13 1986-06-12 Safety devices Withdrawn GB2177277A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB858515020A GB8515020D0 (en) 1985-06-13 1985-06-13 Safety devices

Publications (2)

Publication Number Publication Date
GB8614292D0 true GB8614292D0 (en) 1986-07-16
GB2177277A GB2177277A (en) 1987-01-14

Family

ID=10580706

Family Applications (2)

Application Number Title Priority Date Filing Date
GB858515020A Pending GB8515020D0 (en) 1985-06-13 1985-06-13 Safety devices
GB08614292A Withdrawn GB2177277A (en) 1985-06-13 1986-06-12 Safety devices

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB858515020A Pending GB8515020D0 (en) 1985-06-13 1985-06-13 Safety devices

Country Status (1)

Country Link
GB (2) GB8515020D0 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5266954A (en) * 1992-03-30 1993-11-30 Microwave Sensors Microwave vehicle detector

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1389204A (en) * 1971-05-07 1975-04-03 Plessey Co Ltd Electromagnetic radiation radiating arrangements
US4009476A (en) * 1975-06-27 1977-02-22 Solfan Security Systems Apparatus for automatically controlling door operation
DE2638337B1 (en) * 1976-08-25 1978-03-02 Siemens Ag Device for burglary protection
GB1601604A (en) * 1977-04-28 1981-11-04 Omron Tateisi Electronics Co Moving object detection system
IT1116443B (en) * 1977-05-10 1986-02-10 Adele Advanced Electronic S R LOW CONSUMPTION PULSE OPERATION DOPPLER INTRUSION SENSOR

Also Published As

Publication number Publication date
GB8515020D0 (en) 1985-07-17
GB2177277A (en) 1987-01-14

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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)