BE675584A - - Google Patents
Info
- Publication number
- BE675584A BE675584A BE675584DA BE675584A BE 675584 A BE675584 A BE 675584A BE 675584D A BE675584D A BE 675584DA BE 675584 A BE675584 A BE 675584A
- Authority
- BE
- Belgium
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
- G03B23/08—Devices for changing pictures in viewing apparatus or projectors in which pictures are attached to a movable carrier
- G03B23/10—Devices for changing pictures in viewing apparatus or projectors in which pictures are attached to a movable carrier drum or disc carrier
- G03B23/105—Devices for changing pictures in viewing apparatus or projectors in which pictures are attached to a movable carrier drum or disc carrier disc carriers
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- 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
- G03B23/02—Devices for changing pictures in viewing apparatus or projectors in which a picture is removed from a stock and returned to the same stock or another one; Magazines therefor
- G03B23/04—Devices for changing pictures in viewing apparatus or projectors in which a picture is removed from a stock and returned to the same stock or another one; Magazines therefor with linear movement
- G03B23/046—Picture changing devices
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Projection Apparatus (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US451889A US3324765A (en) | 1965-04-29 | 1965-04-29 | Slide projector and slide carrier therefor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE675584A true BE675584A (xx) | 1966-07-25 |
Family
ID=23794112
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE675584D BE675584A (xx) | 1965-04-29 | 1966-01-25 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US3324765A (xx) |
| BE (1) | BE675584A (xx) |
| GB (1) | GB1070041A (xx) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3466126A (en) * | 1965-04-28 | 1969-09-09 | Yoshichika Sakamoto | Slide-holding frame and a file plate for filing such frames |
| US4548486A (en) * | 1983-07-06 | 1985-10-22 | Mosley Kenneth C | Transparency mount providing rotatable projection image |
| CN112879778A (zh) * | 2020-11-27 | 2021-06-01 | 胡勇 | 一种吸顶式稳定性强的投影仪 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1645204A (en) * | 1923-06-29 | 1927-10-11 | Paul A Nothstine | Picture-projecting machine |
| US2095171A (en) * | 1936-06-09 | 1937-10-05 | Irving L Cook | Exhibiting attachment for projecting machines |
| US2773323A (en) * | 1951-05-12 | 1956-12-11 | Gorwitz Sam | Disc for film slides |
| US2916964A (en) * | 1958-03-31 | 1959-12-15 | Sawyer S Inc | Device for feeding discs in projectors, viewers, and the like |
-
1965
- 1965-04-29 US US451889A patent/US3324765A/en not_active Expired - Lifetime
-
1966
- 1966-01-25 BE BE675584D patent/BE675584A/xx unknown
- 1966-01-31 GB GB4114/66A patent/GB1070041A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB1070041A (en) | 1967-05-24 |
| US3324765A (en) | 1967-06-13 |