FR2270650A1 - Omnidirectional radar system with double delay - has LF filter, detector and electronic delay units in series with alarm - Google Patents

Omnidirectional radar system with double delay - has LF filter, detector and electronic delay units in series with alarm

Info

Publication number
FR2270650A1
FR2270650A1 FR7405914A FR7405914A FR2270650A1 FR 2270650 A1 FR2270650 A1 FR 2270650A1 FR 7405914 A FR7405914 A FR 7405914A FR 7405914 A FR7405914 A FR 7405914A FR 2270650 A1 FR2270650 A1 FR 2270650A1
Authority
FR
France
Prior art keywords
delay
detector
alarm
radar system
filter
Prior art date
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.)
Granted
Application number
FR7405914A
Other languages
English (en)
French (fr)
Other versions
FR2270650B3 (esLanguage
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.)
DETHOOR GILBERT
Original Assignee
DETHOOR GILBERT
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 DETHOOR GILBERT filed Critical DETHOOR GILBERT
Priority to FR7405914A priority Critical patent/FR2270650A1/fr
Publication of FR2270650A1 publication Critical patent/FR2270650A1/fr
Application granted granted Critical
Publication of FR2270650B3 publication Critical patent/FR2270650B3/fr
Granted 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)
FR7405914A 1974-02-21 1974-02-21 Omnidirectional radar system with double delay - has LF filter, detector and electronic delay units in series with alarm Granted FR2270650A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7405914A FR2270650A1 (en) 1974-02-21 1974-02-21 Omnidirectional radar system with double delay - has LF filter, detector and electronic delay units in series with alarm

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7405914A FR2270650A1 (en) 1974-02-21 1974-02-21 Omnidirectional radar system with double delay - has LF filter, detector and electronic delay units in series with alarm

Publications (2)

Publication Number Publication Date
FR2270650A1 true FR2270650A1 (en) 1975-12-05
FR2270650B3 FR2270650B3 (esLanguage) 1976-07-23

Family

ID=9135251

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7405914A Granted FR2270650A1 (en) 1974-02-21 1974-02-21 Omnidirectional radar system with double delay - has LF filter, detector and electronic delay units in series with alarm

Country Status (1)

Country Link
FR (1) FR2270650A1 (esLanguage)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2380605A1 (fr) * 1977-02-15 1978-09-08 Geluwe Jan Van Installation de surveillance d'un espace fini
EP0010870A1 (en) * 1978-10-04 1980-05-14 Glynwed Group Services Limited Electronic lock and key, and an alarm system incorporating same

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2380605A1 (fr) * 1977-02-15 1978-09-08 Geluwe Jan Van Installation de surveillance d'un espace fini
EP0010870A1 (en) * 1978-10-04 1980-05-14 Glynwed Group Services Limited Electronic lock and key, and an alarm system incorporating same

Also Published As

Publication number Publication date
FR2270650B3 (esLanguage) 1976-07-23

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Legal Events

Date Code Title Description
ST Notification of lapse