DK25490A - Baglys projektionsskaerm - Google Patents

Baglys projektionsskaerm Download PDF

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Publication number
DK25490A
DK25490A DK25490A DK25490A DK25490A DK 25490 A DK25490 A DK 25490A DK 25490 A DK25490 A DK 25490A DK 25490 A DK25490 A DK 25490A DK 25490 A DK25490 A DK 25490A
Authority
DK
Denmark
Prior art keywords
projection screen
light projection
rear light
screen
projection
Prior art date
Application number
DK25490A
Other languages
English (en)
Other versions
DK25490D0 (da
DK174272B1 (da
Inventor
Erik Clausen
Johannes Clausen
Original Assignee
Dainippon Printing Co Ltd
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 Dainippon Printing Co Ltd filed Critical Dainippon Printing Co Ltd
Priority to DK25490A priority Critical patent/DK174272B1/da
Publication of DK25490D0 publication Critical patent/DK25490D0/da
Publication of DK25490A publication Critical patent/DK25490A/da
Application granted granted Critical
Publication of DK174272B1 publication Critical patent/DK174272B1/da

Links

DK25490A 1990-01-30 1990-01-30 Baglysprojektionsskærm DK174272B1 (da)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DK25490A DK174272B1 (da) 1990-01-30 1990-01-30 Baglysprojektionsskærm

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DK25490 1990-01-30
DK25490A DK174272B1 (da) 1990-01-30 1990-01-30 Baglysprojektionsskærm

Publications (3)

Publication Number Publication Date
DK25490D0 DK25490D0 (da) 1990-01-30
DK25490A true DK25490A (da) 1991-07-31
DK174272B1 DK174272B1 (da) 2002-11-04

Family

ID=8091467

Family Applications (1)

Application Number Title Priority Date Filing Date
DK25490A DK174272B1 (da) 1990-01-30 1990-01-30 Baglysprojektionsskærm

Country Status (1)

Country Link
DK (1) DK174272B1 (da)

Also Published As

Publication number Publication date
DK25490D0 (da) 1990-01-30
DK174272B1 (da) 2002-11-04

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Legal Events

Date Code Title Description
B1 Patent granted (law 1993)
PBP Patent lapsed

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