CA2066613A1 - Dispositif de detection d'obstacles - Google Patents

Dispositif de detection d'obstacles

Info

Publication number
CA2066613A1
CA2066613A1 CA 2066613 CA2066613A CA2066613A1 CA 2066613 A1 CA2066613 A1 CA 2066613A1 CA 2066613 CA2066613 CA 2066613 CA 2066613 A CA2066613 A CA 2066613A CA 2066613 A1 CA2066613 A1 CA 2066613A1
Authority
CA
Canada
Prior art keywords
receiver
view
transmitter
field
lies
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.)
Abandoned
Application number
CA 2066613
Other languages
English (en)
Inventor
John Trett
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
Publication of CA2066613A1 publication Critical patent/CA2066613A1/fr
Abandoned 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
    • G01V8/22—Detecting, e.g. by using light barriers using multiple transmitters or receivers using reflectors

Landscapes

  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Geophysics (AREA)
  • Power-Operated Mechanisms For Wings (AREA)
  • Geophysics And Detection Of Objects (AREA)
CA 2066613 1989-10-13 1990-10-09 Dispositif de detection d'obstacles Abandoned CA2066613A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB8923141.9 1989-10-13
GB8923141A GB2238379A (en) 1989-10-13 1989-10-13 Obstruction detection apparatus

Publications (1)

Publication Number Publication Date
CA2066613A1 true CA2066613A1 (fr) 1991-04-14

Family

ID=10664556

Family Applications (1)

Application Number Title Priority Date Filing Date
CA 2066613 Abandoned CA2066613A1 (fr) 1989-10-13 1990-10-09 Dispositif de detection d'obstacles

Country Status (6)

Country Link
EP (1) EP0494976A1 (fr)
JP (1) JPH05501304A (fr)
AU (1) AU6614290A (fr)
CA (1) CA2066613A1 (fr)
GB (1) GB2238379A (fr)
WO (1) WO1991006018A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20210254970A1 (en) * 2020-02-19 2021-08-19 Faro Technologies, Inc. System and method for verifying a position of a component on an object

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5207297A (en) * 1991-12-04 1993-05-04 Trli, Inc. High lift warning system
DE4205251A1 (de) * 1992-02-21 1993-08-26 Hella Kg Hueck & Co Vorrichtung zur ueberwachung des schliessvorganges einer motorisch angetriebenen fensterscheibe, insbesondere einer kraftfahrzeugfensterscheibe

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3641549A (en) * 1970-06-25 1972-02-08 Sanders Associates Inc Electro-optical perimeter intrusion alarm
DE2215136C3 (de) * 1972-03-28 1975-10-16 Visomat-Geraete Gmbh, 6500 Mainz Lichtschutzgitter
DE2247053C3 (de) * 1972-09-26 1979-08-09 Erwin Sick Gmbh Optik-Elektronik, 7808 Waldkirch Lichtschrankengitter
US4029176A (en) * 1975-10-06 1977-06-14 Mills Gerald W Doorway safety device
FR2339917A2 (fr) * 1976-02-02 1977-08-26 Jay Electronique Sa Dispositif optique pour barriere optique de securite
DE2939833C2 (de) * 1979-10-01 1982-06-09 Universal-Maschinenfabrik Dr. Rudolf Schieber Gmbh & Co Kg, 7081 Westhausen Schutzvorrichtung für den Bewegungsraum des Schlittens einer Flachstrickmaschine
JPS56158977A (en) * 1980-05-13 1981-12-08 Mitsubishi Electric Corp Presence detector
JPS60151575A (ja) * 1984-01-18 1985-08-09 Iseki & Co Ltd 粒状物通過検出装置
US4649270A (en) * 1984-12-10 1987-03-10 Louis Goldenberg Photo-electric object detector having removable field stop means
US4847488A (en) * 1987-12-23 1989-07-11 Cerberus Ag Sabotage resistant light barrier wherein radiation is polarized into two opposite types of polarization

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20210254970A1 (en) * 2020-02-19 2021-08-19 Faro Technologies, Inc. System and method for verifying a position of a component on an object
US11867499B2 (en) * 2020-02-19 2024-01-09 Faro Technologies, Inc. System and method for verifying a position of a component on an object

Also Published As

Publication number Publication date
AU6614290A (en) 1991-05-16
GB8923141D0 (en) 1989-11-29
WO1991006018A1 (fr) 1991-05-02
GB2238379A (en) 1991-05-29
EP0494976A1 (fr) 1992-07-22
JPH05501304A (ja) 1993-03-11

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Legal Events

Date Code Title Description
FZDE Dead