JPS5127132B1 - - Google Patents
Info
- Publication number
- JPS5127132B1 JPS5127132B1 JP10804570A JP10804570A JPS5127132B1 JP S5127132 B1 JPS5127132 B1 JP S5127132B1 JP 10804570 A JP10804570 A JP 10804570A JP 10804570 A JP10804570 A JP 10804570A JP S5127132 B1 JPS5127132 B1 JP S5127132B1
- Authority
- JP
- Japan
- 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
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
- G03B21/06—Projectors or projection-type viewers; Accessories therefor affording only episcopic projection
-
- 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
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19691961215 DE1961215B2 (en) | 1969-12-05 | 1969-12-05 | WRITING PROJECTOR WITH A DEVICE FOR PROJECTING SLIDES AND FILM STRIPS |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5127132B1 true JPS5127132B1 (en) | 1976-08-11 |
Family
ID=5753161
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10804570A Pending JPS5127132B1 (en) | 1969-12-05 | 1970-12-04 |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JPS5127132B1 (en) |
| DE (1) | DE1961215B2 (en) |
| FR (1) | FR2072825A5 (en) |
| GB (1) | GB1288657A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63153226U (en) * | 1987-03-26 | 1988-10-07 |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DK24283A (en) * | 1983-01-21 | 1984-07-22 | Memofax As | OVERHEAD PROJECTOR |
| GB2256498B (en) * | 1991-05-10 | 1994-08-03 | Simon John Richards | Projector apparatus for projecting overhead projector transparencies and slides |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3081670A (en) * | 1961-12-08 | 1963-03-19 | Simmon Brothers Inc | Overhead optical projector |
-
1969
- 1969-12-05 DE DE19691961215 patent/DE1961215B2/en active Pending
-
1970
- 1970-12-01 GB GB1288657D patent/GB1288657A/en not_active Expired
- 1970-12-03 FR FR7043448A patent/FR2072825A5/fr not_active Expired
- 1970-12-04 JP JP10804570A patent/JPS5127132B1/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3081670A (en) * | 1961-12-08 | 1963-03-19 | Simmon Brothers Inc | Overhead optical projector |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63153226U (en) * | 1987-03-26 | 1988-10-07 |
Also Published As
| Publication number | Publication date |
|---|---|
| GB1288657A (en) | 1972-09-13 |
| DE1961215B2 (en) | 1972-03-16 |
| FR2072825A5 (en) | 1971-09-24 |
| DE1961215A1 (en) | 1971-06-24 |