JPS4911089A - - Google Patents

Info

Publication number
JPS4911089A
JPS4911089A JP48040759A JP4075973A JPS4911089A JP S4911089 A JPS4911089 A JP S4911089A JP 48040759 A JP48040759 A JP 48040759A JP 4075973 A JP4075973 A JP 4075973A JP S4911089 A JPS4911089 A JP S4911089A
Authority
JP
Japan
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
JP48040759A
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 filed Critical
Publication of JPS4911089A publication Critical patent/JPS4911089A/ja
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
    • 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)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Burglar Alarm Systems (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Aerials With Secondary Devices (AREA)
JP48040759A 1972-04-10 1973-04-10 Pending JPS4911089A (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00242610A US3806941A (en) 1972-04-10 1972-04-10 Intrusion detection system

Publications (1)

Publication Number Publication Date
JPS4911089A true JPS4911089A (ja) 1974-01-31

Family

ID=22915485

Family Applications (1)

Application Number Title Priority Date Filing Date
JP48040759A Pending JPS4911089A (ja) 1972-04-10 1973-04-10

Country Status (2)

Country Link
US (1) US3806941A (ja)
JP (1) JPS4911089A (ja)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5153627A (ja) * 1974-11-06 1976-05-12 Tokico Ltd Gyakushiben
JPS56166582U (ja) * 1980-05-13 1981-12-09

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4188632A (en) * 1975-01-21 1980-02-12 Post Office Rear feed assemblies for aerials
US3925774A (en) * 1975-03-24 1975-12-09 Security Devices Corp Field disturbance type motion detection system
DE2938187A1 (de) * 1979-09-21 1981-04-02 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Cassegrain-erreger-system fuer eine parabolantenne
US4456911A (en) * 1980-10-20 1984-06-26 Microwave Sensors, Inc. Frequency modulated continuous wave altimeter
US4818855A (en) * 1985-01-11 1989-04-04 Indala Corporation Identification system
US8169356B2 (en) * 2007-12-31 2012-05-01 Honeywell International Inc. Anti-mask motion sensor

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2645769A (en) * 1947-06-05 1953-07-14 Walter Van B Roberts Continuous wave radar system
US3024456A (en) * 1956-06-01 1962-03-06 Varian Associates Composite instrument
US3187329A (en) * 1960-09-30 1965-06-01 Lab For Electronics Inc Apparatus for vehicular speed measurements
US3086203A (en) * 1961-03-07 1963-04-16 Bell Telephone Labor Inc Communication system using polarized waves and employing concentric waveguides to control transmitter-receiver interaction
US3287729A (en) * 1961-12-14 1966-11-22 Marconi Co Ltd Polarisers for very high frequency electro-magnetic waves
US3376507A (en) * 1962-01-08 1968-04-02 Varian Associates Balanced microwave hybrid function mixer assembly
US3182322A (en) * 1962-03-06 1965-05-04 Stephenson Corp Radar antennae
US3181151A (en) * 1963-04-22 1965-04-27 Robert W Clouser Doppler radar antenna system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5153627A (ja) * 1974-11-06 1976-05-12 Tokico Ltd Gyakushiben
JPS56166582U (ja) * 1980-05-13 1981-12-09

Also Published As

Publication number Publication date
US3806941A (en) 1974-04-23

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