IN141870B - - Google Patents
Info
- Publication number
- IN141870B IN141870B IN2407/CAL/1974A IN2407CA1974A IN141870B IN 141870 B IN141870 B IN 141870B IN 2407CA1974 A IN2407CA1974 A IN 2407CA1974A IN 141870 B IN141870 B IN 141870B
- 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
- G03B21/10—Projectors with built-in or built-on screen
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Projection Apparatus (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US41081973A | 1973-10-29 | 1973-10-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| IN141870B true IN141870B (en) | 1977-04-30 |
Family
ID=23626366
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IN2407/CAL/1974A IN141870B (en) | 1973-10-29 | 1974-11-04 |
Country Status (4)
| Country | Link |
|---|---|
| JP (2) | JPS50113230A (en) |
| GB (1) | GB1470420A (en) |
| HK (1) | HK11778A (en) |
| IN (1) | IN141870B (en) |
-
1974
- 1974-10-25 GB GB4629874A patent/GB1470420A/en not_active Expired
- 1974-10-28 JP JP12420874A patent/JPS50113230A/ja active Pending
- 1974-11-04 IN IN2407/CAL/1974A patent/IN141870B/en unknown
-
1978
- 1978-03-02 HK HK11778A patent/HK11778A/en unknown
-
1982
- 1982-06-22 JP JP9364682U patent/JPS585031U/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS50113230A (en) | 1975-09-05 |
| GB1470420A (en) | 1977-04-14 |
| JPS6118514Y2 (en) | 1986-06-05 |
| JPS585031U (en) | 1983-01-13 |
| HK11778A (en) | 1978-03-10 |