CA423391A - Light controlling device - Google Patents

Light controlling device

Info

Publication number
CA423391A
CA423391A CA423391A CA423391DA CA423391A CA 423391 A CA423391 A CA 423391A CA 423391 A CA423391 A CA 423391A CA 423391D A CA423391D A CA 423391DA CA 423391 A CA423391 A CA 423391A
Authority
CA
Canada
Prior art keywords
controlling device
light controlling
light
controlling
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
CA423391A
Other languages
French (fr)
Inventor
H. Fraenckel Victor
P. Blewett John
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.)
General Electric Canada Co
Original Assignee
Canadian General Electric Co Ltd
Publication date
Application granted granted Critical
Publication of CA423391A publication Critical patent/CA423391A/en
Expired legal-status Critical Current

Links

CA423391A Light controlling device Expired CA423391A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA423391T

Publications (1)

Publication Number Publication Date
CA423391A true CA423391A (en) 1944-10-24

Family

ID=35534394

Family Applications (1)

Application Number Title Priority Date Filing Date
CA423391A Expired CA423391A (en) Light controlling device

Country Status (1)

Country Link
CA (1) CA423391A (en)

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