IN171903B - - Google Patents
Info
- Publication number
- IN171903B IN171903B IN494/MAS/88A IN494MA1988A IN171903B IN 171903 B IN171903 B IN 171903B IN 494MA1988 A IN494MA1988 A IN 494MA1988A IN 171903 B IN171903 B IN 171903B
- Authority
- IN
- India
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
- G03B21/14—Details
- G03B21/28—Reflectors in projection beam
-
- 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)
- Projection Apparatus (AREA)
- Overhead Projectors And Projection Screens (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE8700245A SE8700245D0 (en) | 1987-01-22 | 1987-01-22 | PROJECTION DEVICE |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| IN171903B true IN171903B (en) | 1993-02-06 |
Family
ID=20367257
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IN494/MAS/88A IN171903B (en) | 1987-01-22 | 1988-07-13 |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JPS63188125A (en) |
| KR (1) | KR890700852A (en) |
| IN (1) | IN171903B (en) |
| SE (2) | SE8700245D0 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010020230A (en) * | 2008-07-14 | 2010-01-28 | Nanao Corp | Stereoscopic image display apparatus |
-
1987
- 1987-01-22 SE SE8700245A patent/SE8700245D0/en unknown
- 1987-03-30 SE SE8701304A patent/SE457022B/en not_active IP Right Cessation
-
1988
- 1988-01-06 JP JP63000439A patent/JPS63188125A/en active Pending
- 1988-07-13 IN IN494/MAS/88A patent/IN171903B/en unknown
- 1988-09-21 KR KR1019880701137A patent/KR890700852A/en not_active Application Discontinuation
Also Published As
| Publication number | Publication date |
|---|---|
| SE457022B (en) | 1988-11-21 |
| SE8701304D0 (en) | 1987-03-30 |
| SE8700245D0 (en) | 1987-01-22 |
| KR890700852A (en) | 1989-04-27 |
| SE8701304L (en) | 1988-10-01 |
| JPS63188125A (en) | 1988-08-03 |