SE347581B - - Google Patents
Info
- Publication number
- SE347581B SE347581B SE1496268A SE1496268A SE347581B SE 347581 B SE347581 B SE 347581B SE 1496268 A SE1496268 A SE 1496268A SE 1496268 A SE1496268 A SE 1496268A SE 347581 B SE347581 B SE 347581B
- 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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Overhead Projectors And Projection Screens (AREA)
- Projection Apparatus (AREA)
- Optical Elements Other Than Lenses (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US68295167A | 1967-11-14 | 1967-11-14 | |
| US71226368A | 1968-03-11 | 1968-03-11 | |
| US71226268A | 1968-03-11 | 1968-03-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SE347581B true SE347581B (en) | 1972-08-07 |
Family
ID=27418406
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE1496268A SE347581B (en) | 1967-11-14 | 1968-11-05 |
Country Status (7)
| Country | Link |
|---|---|
| JP (1) | JPS5126808B1 (en) |
| CH (1) | CH494975A (en) |
| DE (2) | DE1817823C3 (en) |
| FR (1) | FR1591751A (en) |
| GB (1) | GB1253237A (en) |
| NL (1) | NL164396B (en) |
| SE (1) | SE347581B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2914682C3 (en) * | 1979-04-11 | 1982-05-13 | Schott Glaswerke, 6500 Mainz | Process for the production of a glass plate acting as a light screen and a glass plate produced according to this process |
| DE2937433C2 (en) * | 1979-09-15 | 1981-08-06 | Standard Elektrik Lorenz Ag, 7000 Stuttgart | Exposure arrangement |
| DE3127247A1 (en) * | 1981-07-10 | 1983-01-20 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Process for producing a louvre filter and device for carrying out the process |
| DE3414848A1 (en) * | 1983-04-26 | 1984-11-22 | Barmag Barmer Maschinenfabrik Ag, 5630 Remscheid | Light-transmitting composite body |
| WO2021198888A1 (en) | 2020-03-31 | 2021-10-07 | Pi Industries Ltd. | An improved enzyme catalyzed carboxylation reaction |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3255665A (en) * | 1964-05-21 | 1966-06-14 | Minnesota Mining & Mfg | Article of manufacture for controlling light transmittance |
| US3340765A (en) * | 1964-07-27 | 1967-09-12 | Bell Telephone Labor Inc | Projection system |
-
1968
- 1968-11-04 NL NL6815702A patent/NL164396B/en not_active IP Right Cessation
- 1968-11-05 SE SE1496268A patent/SE347581B/xx unknown
- 1968-11-08 DE DE19681817823 patent/DE1817823C3/en not_active Expired
- 1968-11-08 DE DE19681808532 patent/DE1808532B2/en not_active Withdrawn
- 1968-11-13 GB GB1253237D patent/GB1253237A/en not_active Expired
- 1968-11-13 FR FR1591751D patent/FR1591751A/fr not_active Expired
- 1968-11-13 CH CH1696068A patent/CH494975A/en not_active IP Right Cessation
-
1970
- 1970-05-25 JP JP4410670A patent/JPS5126808B1/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| NL164396B (en) | 1980-07-15 |
| DE1817823C3 (en) | 1974-07-25 |
| DE1817823B2 (en) | 1974-01-03 |
| CH494975A (en) | 1970-08-15 |
| JPS5126808B1 (en) | 1976-08-09 |
| GB1253237A (en) | 1971-11-10 |
| DE1808532A1 (en) | 1969-08-07 |
| NL6815702A (en) | 1969-05-19 |
| FR1591751A (en) | 1970-05-04 |
| DE1817823A1 (en) | 1972-03-09 |
| DE1808532B2 (en) | 1972-01-27 |