BE724173A - - Google Patents
Info
- Publication number
- BE724173A BE724173A BE724173DA BE724173A BE 724173 A BE724173 A BE 724173A BE 724173D A BE724173D A BE 724173DA BE 724173 A BE724173 A BE 724173A
- 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
- G03B23/02—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
- G03B23/06—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 rotary movement
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Automatic Disk Changers (AREA)
- Projection Apparatus (AREA)
- Casting Support Devices, Ladles, And Melt Control Thereby (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US68420267A | 1967-11-20 | 1967-11-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE724173A true BE724173A (de) | 1969-05-02 |
Family
ID=24747080
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE724173D BE724173A (de) | 1967-11-20 | 1968-11-20 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US3499708A (de) |
| BE (1) | BE724173A (de) |
| CH (1) | CH486714A (de) |
| DE (2) | DE6807497U (de) |
| GB (1) | GB1234999A (de) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3682483A (en) * | 1970-03-05 | 1972-08-08 | Qatron Corp | Magnetic tape cartridge changer and magazine |
| JPS502934A (de) * | 1973-05-08 | 1975-01-13 | ||
| US4402584A (en) * | 1982-02-22 | 1983-09-06 | Morrie Palmer | Dual slide projector and tray |
| CN108895332B (zh) * | 2018-04-30 | 2020-12-01 | 李炎鹏 | 一种可变换照射方向的灯 |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2221753A (en) * | 1940-03-20 | 1940-11-19 | Oliver W Bodie | Projector |
| US2931115A (en) * | 1957-05-16 | 1960-04-05 | Sylvaina Electric Products Inc | Slide magazine |
| US2931116A (en) * | 1958-03-18 | 1960-04-05 | Bausch & Lomb | Slide projector tray |
| US3146666A (en) * | 1958-03-20 | 1964-09-01 | Angus Inc | Automatic slide projector |
| US3276314A (en) * | 1962-02-23 | 1966-10-04 | Eastman Kodak Co | Automatic slide projector |
| US3209647A (en) * | 1963-03-01 | 1965-10-05 | Sawyers Res Dev Corp | Slide projector using a box or circular slide magazine |
| US3336836A (en) * | 1964-06-23 | 1967-08-22 | Bell & Howell Co | Slide projector |
-
1967
- 1967-11-20 US US684202A patent/US3499708A/en not_active Expired - Lifetime
-
1968
- 1968-11-15 GB GB54412/68A patent/GB1234999A/en not_active Expired
- 1968-11-18 DE DE6807497U patent/DE6807497U/de not_active Expired
- 1968-11-18 DE DE1809595A patent/DE1809595C3/de not_active Expired
- 1968-11-19 CH CH1725468A patent/CH486714A/de not_active IP Right Cessation
- 1968-11-20 BE BE724173D patent/BE724173A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| CH486714A (de) | 1970-02-28 |
| DE1809595C3 (de) | 1974-10-24 |
| DE1809595B2 (de) | 1974-03-28 |
| DE1809595A1 (de) | 1969-08-07 |
| US3499708A (en) | 1970-03-10 |
| DE6807497U (de) | 1969-03-27 |
| GB1234999A (en) | 1971-06-09 |