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FR2851341B1 - Systeme de detection optique d'objets ou de personnes - Google Patents

Systeme de detection optique d'objets ou de personnes

Info

Publication number
FR2851341B1
FR2851341B1 FR0301815A FR0301815A FR2851341B1 FR 2851341 B1 FR2851341 B1 FR 2851341B1 FR 0301815 A FR0301815 A FR 0301815A FR 0301815 A FR0301815 A FR 0301815A FR 2851341 B1 FR2851341 B1 FR 2851341B1
Authority
FR
France
Prior art keywords
people
detecting objects
optically detecting
optically
objects
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
FR0301815A
Other languages
English (en)
Other versions
FR2851341A1 (fr
Inventor
Marc Santoni
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.)
ETUDE ET REALISATION ELECTRONI
Original Assignee
ETUDE ET REALISATION ELECTRONI
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 ETUDE ET REALISATION ELECTRONI filed Critical ETUDE ET REALISATION ELECTRONI
Priority to FR0301815A priority Critical patent/FR2851341B1/fr
Priority to PCT/FR2004/000323 priority patent/WO2004074872A1/fr
Publication of FR2851341A1 publication Critical patent/FR2851341A1/fr
Application granted granted Critical
Publication of FR2851341B1 publication Critical patent/FR2851341B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V8/00—Prospecting or detecting by optical means
    • G01V8/10—Detecting, e.g. by using light barriers
    • G01V8/20—Detecting, e.g. by using light barriers using multiple transmitters or receivers
    • G01V8/24—Detecting, e.g. by using light barriers using multiple transmitters or receivers using optical fibres

Landscapes

  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Geophysics (AREA)
  • Geophysics And Detection Of Objects (AREA)
FR0301815A 2003-02-14 2003-02-14 Systeme de detection optique d'objets ou de personnes Expired - Fee Related FR2851341B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR0301815A FR2851341B1 (fr) 2003-02-14 2003-02-14 Systeme de detection optique d'objets ou de personnes
PCT/FR2004/000323 WO2004074872A1 (fr) 2003-02-14 2004-02-12 Systeme de detection optique d’objets ou de personnes

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0301815A FR2851341B1 (fr) 2003-02-14 2003-02-14 Systeme de detection optique d'objets ou de personnes

Publications (2)

Publication Number Publication Date
FR2851341A1 FR2851341A1 (fr) 2004-08-20
FR2851341B1 true FR2851341B1 (fr) 2005-04-22

Family

ID=32749582

Family Applications (1)

Application Number Title Priority Date Filing Date
FR0301815A Expired - Fee Related FR2851341B1 (fr) 2003-02-14 2003-02-14 Systeme de detection optique d'objets ou de personnes

Country Status (2)

Country Link
FR (1) FR2851341B1 (fr)
WO (1) WO2004074872A1 (fr)

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6098380A (ja) * 1983-11-02 1985-06-01 Dowa Mining Co Ltd 光学的位置検出装置
ATE72903T1 (de) * 1985-12-05 1992-03-15 Strauss Levi & Co Hoch aufloesende, optische faseranordnung und objektpositionsbestimmungssystem.
FR2626096B1 (fr) * 1988-01-19 1992-02-14 Breuil Sa Appareil de comptage d'objets defilant
US5233185A (en) * 1992-02-28 1993-08-03 Gmi Holdings, Inc. Light beam detector for door openers using fiber optics
DE4422414A1 (de) * 1994-06-29 1996-01-04 Bfi Entsorgungstech Optische Überwachungsanordnung
IT1299838B1 (it) * 1998-02-12 2000-04-04 Gd Spa Dispositivo ottico di controllo di presenza.

Also Published As

Publication number Publication date
FR2851341A1 (fr) 2004-08-20
WO2004074872A1 (fr) 2004-09-02

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Legal Events

Date Code Title Description
ST Notification of lapse

Effective date: 20151030