FR1561844A - - Google Patents

Info

Publication number
FR1561844A
FR1561844A FR1561844DA FR1561844A FR 1561844 A FR1561844 A FR 1561844A FR 1561844D A FR1561844D A FR 1561844DA FR 1561844 A FR1561844 A FR 1561844A
Authority
FR
France
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.)
Expired
Application number
Other languages
French (fr)
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
Application granted granted Critical
Publication of FR1561844A publication Critical patent/FR1561844A/fr
Expired 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
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR 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

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)
  • Radar Systems Or Details Thereof (AREA)
FR1561844D 1968-04-23 1968-05-09 Expired FR1561844A (enrdf_load_stackoverflow)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB1902268A GB1222871A (en) 1968-04-23 1968-04-23 Improvements in or relating to detection systems
FR151104 1968-05-09
NL6806785A NL6806785A (enrdf_load_stackoverflow) 1968-04-23 1968-05-14

Publications (1)

Publication Number Publication Date
FR1561844A true FR1561844A (enrdf_load_stackoverflow) 1969-03-28

Family

ID=27244832

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1561844D Expired FR1561844A (enrdf_load_stackoverflow) 1968-04-23 1968-05-09

Country Status (3)

Country Link
FR (1) FR1561844A (enrdf_load_stackoverflow)
GB (1) GB1222871A (enrdf_load_stackoverflow)
NL (1) NL6806785A (enrdf_load_stackoverflow)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2171139A1 (enrdf_load_stackoverflow) * 1972-02-10 1973-09-21 Aerospace Res
EP0064788A1 (en) * 1981-04-27 1982-11-17 Rijksuniversiteit Leiden System and method for observing and quantifying body movements

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2165755B1 (enrdf_load_stackoverflow) * 1971-12-29 1977-01-14 Sfim
GB2131547B (en) * 1982-12-02 1986-10-29 Lucas Ind Plc Motion detection systems
GB8319642D0 (en) * 1983-07-20 1983-08-24 Plessey Co Plc Remote switch
EP0833022A3 (de) * 1996-09-27 1998-10-14 Siemens Aktiengesellschaft Parkhaus für Kraftfahrzeuge
FR2966270A1 (fr) * 2009-05-14 2012-04-20 Finsecur Detecteur autonome declencheur

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2171139A1 (enrdf_load_stackoverflow) * 1972-02-10 1973-09-21 Aerospace Res
EP0064788A1 (en) * 1981-04-27 1982-11-17 Rijksuniversiteit Leiden System and method for observing and quantifying body movements

Also Published As

Publication number Publication date
NL6806785A (enrdf_load_stackoverflow) 1969-11-18
GB1222871A (en) 1971-02-17

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Legal Events

Date Code Title Description
ST Notification of lapse