AR223019A1 - Proyector de bolsillo para microdiapositivas - Google Patents
Proyector de bolsillo para microdiapositivasInfo
- Publication number
- AR223019A1 AR223019A1 AR279273A AR27927379A AR223019A1 AR 223019 A1 AR223019 A1 AR 223019A1 AR 279273 A AR279273 A AR 279273A AR 27927379 A AR27927379 A AR 27927379A AR 223019 A1 AR223019 A1 AR 223019A1
- Authority
- AR
- Argentina
- Prior art keywords
- micro slides
- pocket projector
- projector
- slides
- Prior art date
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
- G03B23/00—Devices for changing pictures in viewing apparatus or projectors
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Projection Apparatus (AREA)
- Basic Packing Technique (AREA)
- Folding Of Thin Sheet-Like Materials, Special Discharging Devices, And Others (AREA)
- Package Closures (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ES1978240083U ES240083Y (es) | 1978-12-12 | 1978-12-12 | Proyector de bolsillo para microdiapositivas |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| AR223019A1 true AR223019A1 (es) | 1981-07-15 |
Family
ID=8400124
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AR279273A AR223019A1 (es) | 1978-12-12 | 1979-01-12 | Proyector de bolsillo para microdiapositivas |
Country Status (12)
| Country | Link |
|---|---|
| AR (1) | AR223019A1 (es) |
| BR (1) | BR7908080A (es) |
| CH (1) | CH634931A5 (es) |
| DE (1) | DE2949547A1 (es) |
| DK (1) | DK526879A (es) |
| ES (1) | ES240083Y (es) |
| FR (1) | FR2444286A1 (es) |
| GB (1) | GB2038024B (es) |
| IT (1) | IT1188867B (es) |
| MX (1) | MX147355A (es) |
| NL (1) | NL7908878A (es) |
| SE (1) | SE7910164L (es) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112927575B (zh) * | 2021-01-25 | 2022-09-23 | 焦作大学 | 一种适用于汉语言文学专业教学的辅助装置 |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB496142A (en) * | 1936-06-08 | 1938-11-25 | Clarence Lee Stephens | Improvements in picture projecting devices |
| US2454233A (en) * | 1946-04-27 | 1948-11-16 | Mathew A Strumor | Picture projecting pistol |
| US4059351A (en) * | 1976-10-15 | 1977-11-22 | Wisotsky Harry A | Hand-held film projectors |
-
1978
- 1978-12-12 ES ES1978240083U patent/ES240083Y/es not_active Expired
-
1979
- 1979-01-12 AR AR279273A patent/AR223019A1/es active
- 1979-12-05 MX MX180319A patent/MX147355A/es unknown
- 1979-12-07 GB GB7942383A patent/GB2038024B/en not_active Expired
- 1979-12-10 NL NL7908878A patent/NL7908878A/nl not_active Application Discontinuation
- 1979-12-10 DE DE19792949547 patent/DE2949547A1/de not_active Withdrawn
- 1979-12-11 SE SE7910164A patent/SE7910164L/ not_active Application Discontinuation
- 1979-12-11 DK DK526879A patent/DK526879A/da not_active Application Discontinuation
- 1979-12-11 BR BR7908080A patent/BR7908080A/pt unknown
- 1979-12-11 CH CH1095179A patent/CH634931A5/fr not_active IP Right Cessation
- 1979-12-11 IT IT51053/79A patent/IT1188867B/it active
- 1979-12-12 FR FR7930901A patent/FR2444286A1/fr active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| CH634931A5 (fr) | 1983-02-28 |
| GB2038024A (en) | 1980-07-16 |
| MX147355A (es) | 1982-11-19 |
| GB2038024B (en) | 1982-08-04 |
| ES240083U (es) | 1979-02-01 |
| ES240083Y (es) | 1979-07-01 |
| IT1188867B (it) | 1988-01-28 |
| FR2444286B3 (es) | 1982-12-31 |
| SE7910164L (sv) | 1980-06-13 |
| BR7908080A (pt) | 1980-07-22 |
| FR2444286A1 (fr) | 1980-07-11 |
| NL7908878A (nl) | 1980-06-16 |
| IT7951053A0 (it) | 1979-12-11 |
| DK526879A (da) | 1980-06-13 |
| DE2949547A1 (de) | 1980-07-03 |
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