GB8515020D0 - Safety devices - Google Patents

Safety devices

Info

Publication number
GB8515020D0
GB8515020D0 GB858515020A GB8515020A GB8515020D0 GB 8515020 D0 GB8515020 D0 GB 8515020D0 GB 858515020 A GB858515020 A GB 858515020A GB 8515020 A GB8515020 A GB 8515020A GB 8515020 D0 GB8515020 D0 GB 8515020D0
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.)
Pending
Application number
GB858515020A
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 GB858515020A priority Critical patent/GB8515020D0/en
Publication of GB8515020D0 publication Critical patent/GB8515020D0/en
Priority to GB08614292A priority patent/GB2177277A/en
Pending 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)
  • Remote Sensing (AREA)
  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Acoustics & Sound (AREA)
  • General Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Computer Networks & Wireless Communication (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)
GB858515020A 1985-06-13 1985-06-13 Safety devices Pending GB8515020D0 (en)

Priority Applications (2)

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

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
GB8515020D0 true GB8515020D0 (en) 1985-07-17

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 After (1)

Application Number Title Priority Date Filing Date
GB08614292A Withdrawn GB2177277A (en) 1985-06-13 1986-06-12 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
GB8614292D0 (en) 1986-07-16
GB2177277A (en) 1987-01-14

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