CA1008712A - Optical system for projecting pictures on a screen - Google Patents

Optical system for projecting pictures on a screen

Info

Publication number
CA1008712A
CA1008712A CA199,716A CA199716A CA1008712A CA 1008712 A CA1008712 A CA 1008712A CA 199716 A CA199716 A CA 199716A CA 1008712 A CA1008712 A CA 1008712A
Authority
CA
Canada
Prior art keywords
screen
optical system
projecting pictures
pictures
projecting
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
CA199,716A
Other versions
CA199716S (en
Inventor
Jean J. Hunzinger
Claude Hily
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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
Application filed by Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Priority to CA199,716A priority Critical patent/CA1008712A/en
Application granted granted Critical
Publication of CA1008712A publication Critical patent/CA1008712A/en
Expired legal-status Critical Current

Links

CA199,716A 1974-05-13 1974-05-13 Optical system for projecting pictures on a screen Expired CA1008712A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA199,716A CA1008712A (en) 1974-05-13 1974-05-13 Optical system for projecting pictures on a screen

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA199,716A CA1008712A (en) 1974-05-13 1974-05-13 Optical system for projecting pictures on a screen

Publications (1)

Publication Number Publication Date
CA1008712A true CA1008712A (en) 1977-04-19

Family

ID=4100030

Family Applications (1)

Application Number Title Priority Date Filing Date
CA199,716A Expired CA1008712A (en) 1974-05-13 1974-05-13 Optical system for projecting pictures on a screen

Country Status (1)

Country Link
CA (1) CA1008712A (en)

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