FR2125182B1 - - Google Patents

Info

Publication number
FR2125182B1
FR2125182B1 FR7105401A FR7105401A FR2125182B1 FR 2125182 B1 FR2125182 B1 FR 2125182B1 FR 7105401 A FR7105401 A FR 7105401A FR 7105401 A FR7105401 A FR 7105401A FR 2125182 B1 FR2125182 B1 FR 2125182B1
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
FR7105401A
Other languages
French (fr)
Other versions
FR2125182A1 (en:Method
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Safran Aircraft Engines SAS
Original Assignee
SNECMA SAS
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 by SNECMA SAS filed Critical SNECMA SAS
Priority to FR7105401A priority Critical patent/FR2125182B1/fr
Publication of FR2125182A1 publication Critical patent/FR2125182A1/fr
Application granted granted Critical
Publication of FR2125182B1 publication Critical patent/FR2125182B1/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
    • G08B13/2491—Intrusion detection systems, i.e. where the body of an intruder causes the interference with the electromagnetic field
    • 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
    • G01S13/74—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems
    • G01S13/82—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems wherein continuous-type signals are transmitted

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)
FR7105401A 1971-02-17 1971-02-17 Expired FR2125182B1 (en:Method)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7105401A FR2125182B1 (en:Method) 1971-02-17 1971-02-17

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7105401A FR2125182B1 (en:Method) 1971-02-17 1971-02-17

Publications (2)

Publication Number Publication Date
FR2125182A1 FR2125182A1 (en:Method) 1972-09-29
FR2125182B1 true FR2125182B1 (en:Method) 1975-10-10

Family

ID=9072049

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7105401A Expired FR2125182B1 (en:Method) 1971-02-17 1971-02-17

Country Status (1)

Country Link
FR (1) FR2125182B1 (en:Method)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1475111A (en) * 1974-01-23 1977-06-01 Microwave & Electronic Syst Intrusion sensor
DE3336610A1 (de) * 1983-10-07 1985-04-25 Hörmann GmbH, 8011 Kirchseeon Mikrowellenschranke

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3314066A (en) * 1965-06-02 1967-04-11 Devenco Inc Method and apparatus for detecting the entrance of an object into a region being monitored

Also Published As

Publication number Publication date
FR2125182A1 (en:Method) 1972-09-29

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Legal Events

Date Code Title Description
TP Transmission of property
ST Notification of lapse