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FR2710172B1 - Infrared detection device for crossing a limit materialized by two parallel planes. - Google Patents

Infrared detection device for crossing a limit materialized by two parallel planes.

Info

Publication number
FR2710172B1
FR2710172B1 FR9310929A FR9310929A FR2710172B1 FR 2710172 B1 FR2710172 B1 FR 2710172B1 FR 9310929 A FR9310929 A FR 9310929A FR 9310929 A FR9310929 A FR 9310929A FR 2710172 B1 FR2710172 B1 FR 2710172B1
Authority
FR
France
Prior art keywords
materialized
crossing
limit
detection device
infrared 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
FR9310929A
Other languages
French (fr)
Other versions
FR2710172A1 (en
Inventor
Tristan Penet
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.)
IND ENTREPRISE
Original Assignee
IND ENTREPRISE
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 IND ENTREPRISE filed Critical IND ENTREPRISE
Priority to FR9310929A priority Critical patent/FR2710172B1/en
Publication of FR2710172A1 publication Critical patent/FR2710172A1/en
Application granted granted Critical
Publication of FR2710172B1 publication Critical patent/FR2710172B1/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • G08B13/18—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength
    • G08B13/189—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems
    • G08B13/19—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems using infrared-radiation detection systems

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
FR9310929A 1993-09-14 1993-09-14 Infrared detection device for crossing a limit materialized by two parallel planes. Expired - Fee Related FR2710172B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR9310929A FR2710172B1 (en) 1993-09-14 1993-09-14 Infrared detection device for crossing a limit materialized by two parallel planes.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9310929A FR2710172B1 (en) 1993-09-14 1993-09-14 Infrared detection device for crossing a limit materialized by two parallel planes.

Publications (2)

Publication Number Publication Date
FR2710172A1 FR2710172A1 (en) 1995-03-24
FR2710172B1 true FR2710172B1 (en) 1995-11-17

Family

ID=9450844

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9310929A Expired - Fee Related FR2710172B1 (en) 1993-09-14 1993-09-14 Infrared detection device for crossing a limit materialized by two parallel planes.

Country Status (1)

Country Link
FR (1) FR2710172B1 (en)

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH596620A5 (en) * 1976-06-21 1978-03-15 Cerberus Ag
US4451733A (en) * 1982-05-17 1984-05-29 Cerberus Ag Infrared intrusion detector with optical pattern locators
GB2170952B (en) * 1985-02-08 1988-11-16 Philips Electronic Associated Infra-red radiation detector devices
EP0262241A1 (en) * 1986-10-01 1988-04-06 Cerberus Ag Infra-red intrusion detector
DE3609926A1 (en) * 1986-03-24 1987-10-01 Fuss Fritz Kg METHOD FOR OPERATING A MOTION DETECTOR
US5134292A (en) * 1989-02-07 1992-07-28 Nippon Mining Co., Ltd. Moving object detector and moving object detecting system
KR920005031B1 (en) * 1990-04-18 1992-06-25 한국산업 안전공단 Safety apparatus in press

Also Published As

Publication number Publication date
FR2710172A1 (en) 1995-03-24

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Legal Events

Date Code Title Description
ST Notification of lapse