FR2645307B1 - Dispositif electronique de detection selective de personnes - Google Patents

Dispositif electronique de detection selective de personnes

Info

Publication number
FR2645307B1
FR2645307B1 FR8904573A FR8904573A FR2645307B1 FR 2645307 B1 FR2645307 B1 FR 2645307B1 FR 8904573 A FR8904573 A FR 8904573A FR 8904573 A FR8904573 A FR 8904573A FR 2645307 B1 FR2645307 B1 FR 2645307B1
Authority
FR
France
Prior art keywords
persons
electronic device
selective detection
selective
detection
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.)
Expired - Fee Related
Application number
FR8904573A
Other languages
English (en)
Other versions
FR2645307A1 (fr
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to FR8904573A priority Critical patent/FR2645307B1/fr
Publication of FR2645307A1 publication Critical patent/FR2645307A1/fr
Application granted granted Critical
Publication of FR2645307B1 publication Critical patent/FR2645307B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • G01S13/04—Systems determining presence of a target
    • 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

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)
FR8904573A 1989-04-04 1989-04-04 Dispositif electronique de detection selective de personnes Expired - Fee Related FR2645307B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR8904573A FR2645307B1 (fr) 1989-04-04 1989-04-04 Dispositif electronique de detection selective de personnes

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8904573A FR2645307B1 (fr) 1989-04-04 1989-04-04 Dispositif electronique de detection selective de personnes

Publications (2)

Publication Number Publication Date
FR2645307A1 FR2645307A1 (fr) 1990-10-05
FR2645307B1 true FR2645307B1 (fr) 1994-09-09

Family

ID=9380474

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8904573A Expired - Fee Related FR2645307B1 (fr) 1989-04-04 1989-04-04 Dispositif electronique de detection selective de personnes

Country Status (1)

Country Link
FR (1) FR2645307B1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4241648C1 (de) * 1992-12-04 1994-09-01 Borus Spezialverfahren Elektronisches Überwachungssystem
DE9400950U1 (de) * 1994-01-20 1995-08-24 Selectronic Gesellschaft für Sicherheitstechnik und Sonderelektronik mbH, 14542 Werder Vorrichtung zur Erfassung lebender Körper sowie deren Verwendung
GB201514520D0 (en) 2015-08-14 2015-09-30 Novelda As Coupled radar
CN113611299A (zh) * 2021-07-29 2021-11-05 珠海格力电器股份有限公司 语音设备唤醒方法、装置、电子设备及存储介质

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR698774A (fr) * 1929-07-27 1931-02-05 Philips Nv Dispositif d'alarme
FR979151A (fr) * 1948-12-01 1951-04-23 Dispositif détecteur de présence particulièrement applicable contre le vol et l'intrusion
US2656527A (en) * 1950-07-24 1953-10-20 John E Tillman Signal deviation warning system
CH370338A (fr) * 1961-06-08 1963-06-30 Acic Arnold Charpilloz Ets Dispositif de surveillance d'un espace déterminé
GB1186673A (en) * 1966-04-22 1970-04-02 Audac Audio Associates Ltd Improvements in or relating to Systems for Detecting the Presence of Objects in a Monitored Area
FR1478754A (fr) * 1966-04-29 1967-04-28 Avertisseur entièrement transistorisé, actionné par ondes électro-magnétiques
FR2063809A5 (fr) * 1969-10-27 1971-07-09 Darlet Jean
GB1474928A (en) * 1974-11-15 1977-05-25 Shorrock Dev Ltd Intruder detection device

Also Published As

Publication number Publication date
FR2645307A1 (fr) 1990-10-05

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Legal Events

Date Code Title Description
ST Notification of lapse