CA381604A - Valve a lumiere - Google Patents

Valve a lumiere

Info

Publication number
CA381604A
CA381604A CA381604A CA381604DA CA381604A CA 381604 A CA381604 A CA 381604A CA 381604 A CA381604 A CA 381604A CA 381604D A CA381604D A CA 381604DA CA 381604 A CA381604 A CA 381604A
Authority
CA
Canada
Prior art keywords
light valve
valve
light
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
CA381604A
Other languages
English (en)
Inventor
Balmain Harley 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.)
AT&T Corp
Original Assignee
Western Electric Co Inc
Publication date
Application granted granted Critical
Publication of CA381604A publication Critical patent/CA381604A/fr
Expired legal-status Critical Current

Links

CA381604A Valve a lumiere Expired CA381604A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA381604T

Publications (1)

Publication Number Publication Date
CA381604A true CA381604A (fr) 1939-05-23

Family

ID=35386843

Family Applications (1)

Application Number Title Priority Date Filing Date
CA381604A Expired CA381604A (fr) Valve a lumiere

Country Status (1)

Country Link
CA (1) CA381604A (fr)

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