CA1167950A - Detecteur de proximite - Google Patents

Detecteur de proximite

Info

Publication number
CA1167950A
CA1167950A CA000430310A CA430310A CA1167950A CA 1167950 A CA1167950 A CA 1167950A CA 000430310 A CA000430310 A CA 000430310A CA 430310 A CA430310 A CA 430310A CA 1167950 A CA1167950 A CA 1167950A
Authority
CA
Canada
Prior art keywords
door
sensing apparatus
radiation
response
path
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
Application number
CA000430310A
Other languages
English (en)
Inventor
Bert O. Jonsson
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
Priority claimed from SE7904749A external-priority patent/SE428250B/sv
Application filed by Individual filed Critical Individual
Priority to CA000430310A priority Critical patent/CA1167950A/fr
Application granted granted Critical
Publication of CA1167950A publication Critical patent/CA1167950A/fr
Expired legal-status Critical Current

Links

Landscapes

  • Power-Operated Mechanisms For Wings (AREA)
  • Geophysics And Detection Of Objects (AREA)
CA000430310A 1979-05-31 1983-06-13 Detecteur de proximite Expired CA1167950A (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA000430310A CA1167950A (fr) 1979-05-31 1983-06-13 Detecteur de proximite

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
SE7904749A SE428250B (sv) 1979-05-31 1979-05-31 Fotoelektrisk anordning for avkenning av foremal
SE7904749-4 1979-05-31
CA000353057A CA1167949A (fr) 1979-05-31 1980-05-30 Detecteur de proximite
CA000430310A CA1167950A (fr) 1979-05-31 1983-06-13 Detecteur de proximite

Publications (1)

Publication Number Publication Date
CA1167950A true CA1167950A (fr) 1984-05-22

Family

ID=27166698

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000430310A Expired CA1167950A (fr) 1979-05-31 1983-06-13 Detecteur de proximite

Country Status (1)

Country Link
CA (1) CA1167950A (fr)

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Legal Events

Date Code Title Description
MKEX Expiry