FR2411421A1 - Detecteur de presence optique - Google Patents

Detecteur de presence optique

Info

Publication number
FR2411421A1
FR2411421A1 FR7834327A FR7834327A FR2411421A1 FR 2411421 A1 FR2411421 A1 FR 2411421A1 FR 7834327 A FR7834327 A FR 7834327A FR 7834327 A FR7834327 A FR 7834327A FR 2411421 A1 FR2411421 A1 FR 2411421A1
Authority
FR
France
Prior art keywords
optical
presence detector
detection
diffused
reflected
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.)
Withdrawn
Application number
FR7834327A
Other languages
English (en)
French (fr)
Inventor
Philippe Roussel
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.)
Lasag AG
Original Assignee
Lasag AG
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 Lasag AG filed Critical Lasag AG
Publication of FR2411421A1 publication Critical patent/FR2411421A1/fr
Withdrawn legal-status Critical Current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
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/48—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S17/00
    • G01S7/481—Constructional features, e.g. arrangements of optical elements
    • G01S7/4811—Constructional features, e.g. arrangements of optical elements common to transmitter and receiver
    • G01S7/4813—Housing arrangements
    • 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
    • G01S17/00—Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
    • G01S17/02—Systems using the reflection of electromagnetic waves other than radio waves
    • G01S17/04—Systems determining the presence of a target

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Electromagnetism (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Geophysics And Detection Of Objects (AREA)
FR7834327A 1977-12-06 1978-12-06 Detecteur de presence optique Withdrawn FR2411421A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1488277A CH621001A5 (enrdf_load_stackoverflow) 1977-12-06 1977-12-06

Publications (1)

Publication Number Publication Date
FR2411421A1 true FR2411421A1 (fr) 1979-07-06

Family

ID=4404534

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7834327A Withdrawn FR2411421A1 (fr) 1977-12-06 1978-12-06 Detecteur de presence optique

Country Status (4)

Country Link
CH (1) CH621001A5 (enrdf_load_stackoverflow)
DE (1) DE2852153A1 (enrdf_load_stackoverflow)
FR (1) FR2411421A1 (enrdf_load_stackoverflow)
GB (1) GB2013330B (enrdf_load_stackoverflow)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2554244A1 (fr) * 1983-10-27 1985-05-03 Commissariat Energie Atomique Proximetre a rayonnement retrodiffuse utilisable notamment en telemanipulation ou robotique et systeme de traitement associe
FR2694457A1 (fr) * 1992-07-31 1994-02-04 Chebbi Brahim Laser à semi-conducteur pour la détection d'un rayonnement lumineux, procédé pour l'obtention d'un détecteur photosensible, et application d'un tel laser à la détection d'un rayonnement lumineux.

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8529585D0 (en) * 1985-11-30 1986-01-08 Casswell P H Active infra red detector
GB2188415A (en) * 1986-01-23 1987-09-30 Robert Schooler Golf ball locating device
IT1197930B (it) * 1986-10-29 1988-12-21 Pirelli Accessori Ind Sensore ottico per la misura della distanza tra due elementi
DE4023704A1 (de) * 1990-07-26 1992-02-06 Agfa Gevaert Ag Reflexlichtschranke mit infrarot-sendediode
DE4141469C2 (de) * 1991-12-16 1997-07-17 Sick Ag Verfahren zum Betrieb einer optischen Sensoranordnung zur Feststellung von in einem Überwachungsbereich vorhandenen Gegenständen sowie eine solche optische Sensoranordnung
DE4203850A1 (de) * 1992-02-10 1993-08-12 Reinhold Ott Verfahren zum erkennen der lageaenderung eines gegenstandes und vorrichtung zur durchfuehrung des verfahrens
FR2744838B1 (fr) * 1996-02-13 1998-03-27 Schneider Electric Sa Detecteur photoelectrique a renvoi de faisceau
DE19821112C1 (de) * 1998-05-06 1999-11-18 Visolux Elektronik Gmbh Lichttaster mit Tastweitenverstellung nach dem Triangulationsverfahren
US6373057B1 (en) 1998-09-23 2002-04-16 Dickey-John Corporation Infrared reflective article counting/detecting device

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3037418A (en) * 1958-01-16 1962-06-05 Askania Werke Ag Electro-optical device
FR1531569A (fr) * 1967-05-23 1968-07-05 Prec Scient Et Ind Dispositif de détection par rayons lumineux
GB1214148A (en) * 1967-12-12 1970-12-02 Mining & Chemical Products Ltd Device for detecting variations in the surface reflectance of objects
US3898007A (en) * 1971-11-25 1975-08-05 Aga Ab Device for electro-optical distance measurement
FR2290671A1 (fr) * 1974-11-07 1976-06-04 Philips Nv Circuit pour le reglage de niveau automatique de detecteurs optiques a rayonnement pulse, par exemple pour des appareils de surveillance
DE2540665A1 (de) * 1975-09-12 1977-03-17 Bosch Gmbh Robert Sende-empfangs-optik zur entfernungsmessung, insbesondere bei auffahrschutzgeraeten

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3037418A (en) * 1958-01-16 1962-06-05 Askania Werke Ag Electro-optical device
FR1531569A (fr) * 1967-05-23 1968-07-05 Prec Scient Et Ind Dispositif de détection par rayons lumineux
GB1214148A (en) * 1967-12-12 1970-12-02 Mining & Chemical Products Ltd Device for detecting variations in the surface reflectance of objects
US3898007A (en) * 1971-11-25 1975-08-05 Aga Ab Device for electro-optical distance measurement
FR2290671A1 (fr) * 1974-11-07 1976-06-04 Philips Nv Circuit pour le reglage de niveau automatique de detecteurs optiques a rayonnement pulse, par exemple pour des appareils de surveillance
DE2540665A1 (de) * 1975-09-12 1977-03-17 Bosch Gmbh Robert Sende-empfangs-optik zur entfernungsmessung, insbesondere bei auffahrschutzgeraeten

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2554244A1 (fr) * 1983-10-27 1985-05-03 Commissariat Energie Atomique Proximetre a rayonnement retrodiffuse utilisable notamment en telemanipulation ou robotique et systeme de traitement associe
FR2694457A1 (fr) * 1992-07-31 1994-02-04 Chebbi Brahim Laser à semi-conducteur pour la détection d'un rayonnement lumineux, procédé pour l'obtention d'un détecteur photosensible, et application d'un tel laser à la détection d'un rayonnement lumineux.
EP0583191A1 (fr) * 1992-07-31 1994-02-16 Brahim Chebbi Laser à semiconducteur utilisé comme détecteur photosensible, et son application dans un système de détection optique

Also Published As

Publication number Publication date
DE2852153A1 (de) 1979-06-07
GB2013330A (en) 1979-08-08
GB2013330B (en) 1982-06-30
CH621001A5 (enrdf_load_stackoverflow) 1980-12-31

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Legal Events

Date Code Title Description
ST Notification of lapse