CH621001A5 - - Google Patents

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Publication number
CH621001A5
CH621001A5 CH1488277A CH1488277A CH621001A5 CH 621001 A5 CH621001 A5 CH 621001A5 CH 1488277 A CH1488277 A CH 1488277A CH 1488277 A CH1488277 A CH 1488277A CH 621001 A5 CH621001 A5 CH 621001A5
Authority
CH
Switzerland
Prior art keywords
optical
presence detector
detector according
lens
light
Prior art date
Application number
CH1488277A
Other languages
English (en)
French (fr)
Inventor
Philippe Roussel
Original Assignee
Lasag Sa
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 Sa filed Critical Lasag Sa
Priority to CH1488277A priority Critical patent/CH621001A5/fr
Priority to DE19782852153 priority patent/DE2852153A1/de
Priority to GB7847257A priority patent/GB2013330B/en
Priority to FR7834327A priority patent/FR2411421A1/fr
Publication of CH621001A5 publication Critical patent/CH621001A5/fr

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)
CH1488277A 1977-12-06 1977-12-06 CH621001A5 (de)

Priority Applications (4)

Application Number Priority Date Filing Date Title
CH1488277A CH621001A5 (de) 1977-12-06 1977-12-06
DE19782852153 DE2852153A1 (de) 1977-12-06 1978-12-01 Lichtschranke
GB7847257A GB2013330B (en) 1977-12-06 1978-12-05 Optical detector
FR7834327A FR2411421A1 (fr) 1977-12-06 1978-12-06 Detecteur de presence optique

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
CH621001A5 true CH621001A5 (de) 1980-12-31

Family

ID=4404534

Family Applications (1)

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

Country Status (4)

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

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2554244B1 (fr) * 1983-10-27 1986-02-07 Commissariat Energie Atomique Proximetre a rayonnement retrodiffuse utilisable notamment en telemanipulation ou robotique et systeme de traitement associe
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
FR2694457B1 (fr) * 1992-07-31 1994-09-30 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.
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

Family Cites Families (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
SE358243B (de) * 1971-11-25 1973-07-23 Aga Ab
DE2452794C3 (de) * 1974-11-07 1979-08-30 Philips Patentverwaltung Gmbh, 2000 Hamburg Automatische Pegeleinstellschaltung für voreinstellbare IR-Puls-Überwachungsgeräte mit getaktetem Empfänger
DE2540665A1 (de) * 1975-09-12 1977-03-17 Bosch Gmbh Robert Sende-empfangs-optik zur entfernungsmessung, insbesondere bei auffahrschutzgeraeten

Also Published As

Publication number Publication date
GB2013330A (en) 1979-08-08
GB2013330B (en) 1982-06-30
FR2411421A1 (fr) 1979-07-06
DE2852153A1 (de) 1979-06-07

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Legal Events

Date Code Title Description
PL Patent ceased