FR1562450A - - Google Patents

Info

Publication number
FR1562450A
FR1562450A FR1562450DA FR1562450A FR 1562450 A FR1562450 A FR 1562450A FR 1562450D A FR1562450D A FR 1562450DA FR 1562450 A FR1562450 A FR 1562450A
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 FR1562450A publication Critical patent/FR1562450A/fr
Expired legal-status Critical Current

Links

Classifications

    • 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
    • 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

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Burglar Alarm Systems (AREA)
FR1562450D 1967-04-13 1968-04-12 Expired FR1562450A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DER0045751 1967-04-13

Publications (1)

Publication Number Publication Date
FR1562450A true FR1562450A (en) 1969-04-04

Family

ID=7407752

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1562450D Expired FR1562450A (en) 1967-04-13 1968-04-12

Country Status (4)

Country Link
AT (1) AT282414B (en)
DE (1) DE1566723A1 (en)
FR (1) FR1562450A (en)
NL (1) NL6805203A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2173804A1 (en) * 1972-03-03 1973-10-12 Salmet Gaston
FR2176499A1 (en) * 1972-03-21 1973-11-02 Salmet Gaston

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2173804A1 (en) * 1972-03-03 1973-10-12 Salmet Gaston
FR2176499A1 (en) * 1972-03-21 1973-11-02 Salmet Gaston

Also Published As

Publication number Publication date
DE1566723A1 (en) 1970-08-06
AT282414B (en) 1970-06-25
NL6805203A (en) 1968-10-14

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Legal Events

Date Code Title Description
ST Notification of lapse