DK191090A - A rear projection screen - Google Patents
A rear projection screen Download PDFInfo
- Publication number
- DK191090A DK191090A DK191090A DK191090A DK191090A DK 191090 A DK191090 A DK 191090A DK 191090 A DK191090 A DK 191090A DK 191090 A DK191090 A DK 191090A DK 191090 A DK191090 A DK 191090A
- Authority
- DK
- Denmark
- Prior art keywords
- projection screen
- rear projection
- screen
- projection
- Prior art date
Links
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DK191090A DK167944B1 (en) | 1990-08-10 | 1990-08-10 | Back-lit projection screen |
JP3224811A JP2996779B2 (en) | 1990-08-10 | 1991-08-09 | Rear projection screen |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DK191090 | 1990-08-10 | ||
DK191090A DK167944B1 (en) | 1990-08-10 | 1990-08-10 | Back-lit projection screen |
Publications (3)
Publication Number | Publication Date |
---|---|
DK191090D0 DK191090D0 (en) | 1990-08-10 |
DK191090A true DK191090A (en) | 1992-02-11 |
DK167944B1 DK167944B1 (en) | 1994-01-03 |
Family
ID=8108934
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DK191090A DK167944B1 (en) | 1990-08-10 | 1990-08-10 | Back-lit projection screen |
Country Status (2)
Country | Link |
---|---|
JP (1) | JP2996779B2 (en) |
DK (1) | DK167944B1 (en) |
-
1990
- 1990-08-10 DK DK191090A patent/DK167944B1/en not_active IP Right Cessation
-
1991
- 1991-08-09 JP JP3224811A patent/JP2996779B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
DK167944B1 (en) | 1994-01-03 |
JP2996779B2 (en) | 2000-01-11 |
DK191090D0 (en) | 1990-08-10 |
JPH04226445A (en) | 1992-08-17 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
B1 | Patent granted (law 1993) | ||
PBP | Patent lapsed |
Country of ref document: DK |