JPS4884585A - - Google Patents

Info

Publication number
JPS4884585A
JPS4884585A JP48010935A JP1093573A JPS4884585A JP S4884585 A JPS4884585 A JP S4884585A JP 48010935 A JP48010935 A JP 48010935A JP 1093573 A JP1093573 A JP 1093573A JP S4884585 A JPS4884585 A JP S4884585A
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
JP48010935A
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 JPS4884585A publication Critical patent/JPS4884585A/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)
  • Radar Systems Or Details Thereof (AREA)
  • Burglar Alarm Systems (AREA)
JP48010935A 1972-01-26 1973-01-26 Pending JPS4884585A (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00220943A US3803599A (en) 1972-01-26 1972-01-26 Motion detection system

Publications (1)

Publication Number Publication Date
JPS4884585A true JPS4884585A (ja) 1973-11-09

Family

ID=22825671

Family Applications (1)

Application Number Title Priority Date Filing Date
JP48010935A Pending JPS4884585A (ja) 1972-01-26 1973-01-26

Country Status (5)

Country Link
US (1) US3803599A (ja)
JP (1) JPS4884585A (ja)
AU (1) AU4712272A (ja)
GB (1) GB1390994A (ja)
ZA (1) ZA726580B (ja)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5635079A (en) * 1979-08-23 1981-04-07 Int Standard Electric Corp Radar for recognizing helicopter and measuring its position
JPS5911386U (ja) * 1982-07-14 1984-01-24 能美防災株式会社 防犯装置

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4091367A (en) * 1974-02-28 1978-05-23 Robert Keith Harman Perimeter surveillance system
US3943382A (en) * 1974-12-23 1976-03-09 Sperry Rand Corporation Frequency operated switch
US4219815A (en) * 1979-02-27 1980-08-26 Motorola, Inc. Bullet hit indicator scoring system
DE3006599C2 (de) * 1980-02-22 1986-09-11 Robert Bosch Gmbh, 7000 Stuttgart Schaltungsanordnung zur Erkennung einer Überschreitung einer vorgebbaren Abweichung der Frequenz eines Gebersignals von einer Sollfrequenz
FI63299C (fi) * 1980-03-27 1983-05-10 Elevator Gmbh Foerfarande foer att raekna pao staellet uppstannande objekt
US4527151A (en) * 1982-05-03 1985-07-02 Sri International Method and apparatus for intrusion detection
GB8319642D0 (en) * 1983-07-20 1983-08-24 Plessey Co Plc Remote switch
GB2149991A (en) * 1983-10-18 1985-06-19 Modules Limited H B Doppler radar systems
US5481266A (en) * 1994-11-17 1996-01-02 Davis; Warren F. Autodyne motion sensor
JP2005283384A (ja) * 2004-03-30 2005-10-13 Optex Co Ltd マイクロウエーブセンサ、およびマイクロウエーブセンサの相互干渉防止システム
CN112150749A (zh) * 2020-09-08 2020-12-29 成都红云鼎科技有限公司 一种基于多防区的分层预警方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1026381A (en) * 1961-04-27 1966-04-20 Dehavilland Aircraft Improvements in or relating to frequency responsive devices
US3242486A (en) * 1962-04-20 1966-03-22 Johnson Service Co Intrusion detection system
GB1205636A (en) * 1967-07-03 1970-09-16 Memco Ltd Doppler apparatus
US3581217A (en) * 1968-11-05 1971-05-25 Wayne R Isaacs Frequency to direct current converter circuit
US3706961A (en) * 1969-05-02 1972-12-19 Nippon Electronics Co Ltd Automatic alarm system

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5635079A (en) * 1979-08-23 1981-04-07 Int Standard Electric Corp Radar for recognizing helicopter and measuring its position
JPH0211878B2 (ja) * 1979-08-23 1990-03-16 Intaanashonaru Sutandaado Erekutoritsuku Corp
JPS5911386U (ja) * 1982-07-14 1984-01-24 能美防災株式会社 防犯装置
JPH0116233Y2 (ja) * 1982-07-14 1989-05-12

Also Published As

Publication number Publication date
US3803599A (en) 1974-04-09
ZA726580B (en) 1973-06-27
AU4712272A (en) 1974-04-04
GB1390994A (en) 1975-04-16

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