DE9200032U1 - - Google Patents
Info
- Publication number
- DE9200032U1 DE9200032U1 DE9200032U DE9200032U DE9200032U1 DE 9200032 U1 DE9200032 U1 DE 9200032U1 DE 9200032 U DE9200032 U DE 9200032U DE 9200032 U DE9200032 U DE 9200032U DE 9200032 U1 DE9200032 U1 DE 9200032U1
- Authority
- DE
- Germany
- 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 - Lifetime
Links
Classifications
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/132—Overhead projectors, i.e. capable of projecting hand-writing or drawing during action
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE9200032U DE9200032U1 (pt) | 1992-01-03 | 1992-01-03 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE9200032U DE9200032U1 (pt) | 1992-01-03 | 1992-01-03 |
Publications (1)
Publication Number | Publication Date |
---|---|
DE9200032U1 true DE9200032U1 (pt) | 1992-03-19 |
Family
ID=6874758
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE9200032U Expired - Lifetime DE9200032U1 (pt) | 1992-01-03 | 1992-01-03 |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE9200032U1 (pt) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1995022784A1 (en) * | 1994-02-22 | 1995-08-24 | Blake George B | Overhead projector presentation system |
-
1992
- 1992-01-03 DE DE9200032U patent/DE9200032U1/de not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1995022784A1 (en) * | 1994-02-22 | 1995-08-24 | Blake George B | Overhead projector presentation system |