CA303404A - Systeme de controle d'ascenseur sensible a la lumiere - Google Patents

Systeme de controle d'ascenseur sensible a la lumiere

Info

Publication number
CA303404A
CA303404A CA303404A CA303404DA CA303404A CA 303404 A CA303404 A CA 303404A CA 303404 A CA303404 A CA 303404A CA 303404D A CA303404D A CA 303404DA CA 303404 A CA303404 A CA 303404A
Authority
CA
Canada
Prior art keywords
elevators
light
control system
sensitive control
sensitive
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
CA303404A
Other languages
English (en)
Inventor
M. Bouton Edgar
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.)
Westinghouse Canada Inc
Original Assignee
Canadian Westinghouse Co Ltd
Publication date
Application granted granted Critical
Publication of CA303404A publication Critical patent/CA303404A/fr
Expired legal-status Critical Current

Links

CA303404A Systeme de controle d'ascenseur sensible a la lumiere Expired CA303404A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA303404T

Publications (1)

Publication Number Publication Date
CA303404A true CA303404A (fr) 1930-08-26

Family

ID=35256550

Family Applications (1)

Application Number Title Priority Date Filing Date
CA303404A Expired CA303404A (fr) Systeme de controle d'ascenseur sensible a la lumiere

Country Status (1)

Country Link
CA (1) CA303404A (fr)

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