SE363906B - - Google Patents
Info
- Publication number
- SE363906B SE363906B SE552172A SE552172A SE363906B SE 363906 B SE363906 B SE 363906B SE 552172 A SE552172 A SE 552172A SE 552172 A SE552172 A SE 552172A SE 363906 B SE363906 B SE 363906B
- Authority
- SE
- Sweden
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
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Projection Apparatus (AREA)
- Overhead Projectors And Projection Screens (AREA)
Priority Applications (8)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE552172A SE363906B (ja) | 1972-04-26 | 1972-04-26 | |
| US353202A US3900253A (en) | 1972-04-26 | 1973-04-20 | Optical projecting apparatus |
| GB1937173A GB1429992A (en) | 1972-04-26 | 1973-04-24 | Optical projecting apparatus |
| CA169,499A CA988758A (en) | 1972-04-26 | 1973-04-25 | Optical projecting apparatus |
| FR7314936A FR2187135A5 (ja) | 1972-04-26 | 1973-04-25 | |
| JP48046837A JPS4967625A (ja) | 1972-04-26 | 1973-04-26 | |
| DE19732321219 DE2321219A1 (de) | 1972-04-26 | 1973-04-26 | Optisches projektionsgeraet |
| IT2345373A IT984143B (it) | 1972-04-26 | 1973-04-26 | Apparecchio di proiezione ottica |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE552172A SE363906B (ja) | 1972-04-26 | 1972-04-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SE363906B true SE363906B (ja) | 1974-02-04 |
Family
ID=20266665
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE552172A SE363906B (ja) | 1972-04-26 | 1972-04-26 |
Country Status (6)
| Country | Link |
|---|---|
| JP (1) | JPS4967625A (ja) |
| DE (1) | DE2321219A1 (ja) |
| FR (1) | FR2187135A5 (ja) |
| GB (1) | GB1429992A (ja) |
| IT (1) | IT984143B (ja) |
| SE (1) | SE363906B (ja) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5453530A (en) * | 1977-10-05 | 1979-04-26 | Tetsuo Nomoto | Overhead projector |
| JPS5867325U (ja) * | 1981-10-30 | 1983-05-07 | 株式会社ミツトヨ | 投影機 |
-
1972
- 1972-04-26 SE SE552172A patent/SE363906B/xx unknown
-
1973
- 1973-04-24 GB GB1937173A patent/GB1429992A/en not_active Expired
- 1973-04-25 FR FR7314936A patent/FR2187135A5/fr not_active Expired
- 1973-04-26 JP JP48046837A patent/JPS4967625A/ja active Pending
- 1973-04-26 DE DE19732321219 patent/DE2321219A1/de active Pending
- 1973-04-26 IT IT2345373A patent/IT984143B/it active
Also Published As
| Publication number | Publication date |
|---|---|
| FR2187135A5 (ja) | 1974-01-11 |
| DE2321219A1 (de) | 1973-11-08 |
| JPS4967625A (ja) | 1974-07-01 |
| IT984143B (it) | 1974-11-20 |
| GB1429992A (en) | 1976-03-31 |