CA1303177C - Detecteur de proximite pour portes ou assimiles - Google Patents

Detecteur de proximite pour portes ou assimiles

Info

Publication number
CA1303177C
CA1303177C CA000615640A CA615640A CA1303177C CA 1303177 C CA1303177 C CA 1303177C CA 000615640 A CA000615640 A CA 000615640A CA 615640 A CA615640 A CA 615640A CA 1303177 C CA1303177 C CA 1303177C
Authority
CA
Canada
Prior art keywords
door
transmitter
detection
data
receiver
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
CA000615640A
Other languages
English (en)
Inventor
John Trett
Peter F. Bradbeer
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.)
Formula Systems Ltd
Original Assignee
Formula Systems Ltd
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 GB858527277A external-priority patent/GB8527277D0/en
Application filed by Formula Systems Ltd filed Critical Formula Systems Ltd
Application granted granted Critical
Publication of CA1303177C publication Critical patent/CA1303177C/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Landscapes

  • Power-Operated Mechanisms For Wings (AREA)
CA000615640A 1985-11-06 1990-02-06 Detecteur de proximite pour portes ou assimiles Expired - Fee Related CA1303177C (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB8527277 1985-11-06
GB858527277A GB8527277D0 (en) 1985-11-06 1985-11-06 Proximity detector
CA000522201A CA1285627C (fr) 1985-11-06 1986-11-05 Systeme de detection d'objets pour portes et dispositifs similaires

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
CA000522201A Division CA1285627C (fr) 1985-11-06 1986-11-05 Systeme de detection d'objets pour portes et dispositifs similaires

Publications (1)

Publication Number Publication Date
CA1303177C true CA1303177C (fr) 1992-06-09

Family

ID=25671148

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000615640A Expired - Fee Related CA1303177C (fr) 1985-11-06 1990-02-06 Detecteur de proximite pour portes ou assimiles

Country Status (1)

Country Link
CA (1) CA1303177C (fr)

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Legal Events

Date Code Title Description
MKLA Lapsed