Classifications

• • G—PHYSICS
  • G08—SIGNALLING
  • G08B—SIGNALLING SYSTEMS, e.g. PERSONAL CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
  • G08B13/00—Burglar, theft or intruder alarms
  • G08B13/22—Electrical actuation
  • G08B13/24—Electrical actuation by interference with electromagnetic field distribution
• • 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

Landscapes

• Engineering & Computer Science (AREA)
• Radar, Positioning & Navigation (AREA)
• Remote Sensing (AREA)
• Physics & Mathematics (AREA)
• General Physics & Mathematics (AREA)
• Computer Networks & Wireless Communication (AREA)
• Electromagnetism (AREA)
• Burglar Alarm Systems (AREA)

Applications Claiming Priority (1)

Publications (1)

Family

ID=7407752

Family Applications (1)

Country Status (4)

Families Citing this family (2)

• 1967
  • 1967-04-13 DE DE19671566723 patent/DE1566723A1/de active Pending
• 1968
  • 1968-04-11 NL NL6805203A patent/NL6805203A/xx unknown
  • 1968-04-11 AT AT357868A patent/AT282414B/de not_active IP Right Cessation
  • 1968-04-12 FR FR1562450D patent/FR1562450A/fr not_active Expired

Also Published As

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