CA480913A - Ecran de projection - Google Patents

Ecran de projection

Info

Publication number
CA480913A
CA480913A CA480913A CA480913DA CA480913A CA 480913 A CA480913 A CA 480913A CA 480913 A CA480913 A CA 480913A CA 480913D A CA480913D A CA 480913DA CA 480913 A CA480913 A CA 480913A
Authority
CA
Canada
Prior art keywords
projection screen
projection
screen
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
CA480913A
Other languages
English (en)
Inventor
C. Pond Chester
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.)
Lanteris Space LLC
Original Assignee
Philco Ford Corp
Publication date
Application granted granted Critical
Publication of CA480913A publication Critical patent/CA480913A/fr
Expired legal-status Critical Current

Links

CA480913A Ecran de projection Expired CA480913A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA480913T

Publications (1)

Publication Number Publication Date
CA480913A true CA480913A (fr) 1952-02-05

Family

ID=35620592

Family Applications (1)

Application Number Title Priority Date Filing Date
CA480913A Expired CA480913A (fr) Ecran de projection

Country Status (1)

Country Link
CA (1) CA480913A (fr)

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