JPS52111726A - Projecting screen - Google Patents
Projecting screenInfo
- Publication number
- JPS52111726A JPS52111726A JP2871076A JP2871076A JPS52111726A JP S52111726 A JPS52111726 A JP S52111726A JP 2871076 A JP2871076 A JP 2871076A JP 2871076 A JP2871076 A JP 2871076A JP S52111726 A JPS52111726 A JP S52111726A
- Authority
- JP
- Japan
- Prior art keywords
- projecting screen
- projecting
- screen
- constructing
- uniform
- 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.)
- Pending
Links
Landscapes
- Overhead Projectors And Projection Screens (AREA)
Abstract
PURPOSE: To obtain an image having a uniform and high brightness by constructing a flat reflecting surface of Fresnel type.
COPYRIGHT: (C)1977,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2871076A JPS52111726A (en) | 1976-03-16 | 1976-03-16 | Projecting screen |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2871076A JPS52111726A (en) | 1976-03-16 | 1976-03-16 | Projecting screen |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS52111726A true JPS52111726A (en) | 1977-09-19 |
Family
ID=12256002
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2871076A Pending JPS52111726A (en) | 1976-03-16 | 1976-03-16 | Projecting screen |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS52111726A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS55144337U (en) * | 1979-04-04 | 1980-10-16 |
-
1976
- 1976-03-16 JP JP2871076A patent/JPS52111726A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS55144337U (en) * | 1979-04-04 | 1980-10-16 |
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