CS170917B1 - - Google Patents
Info
- Publication number
- CS170917B1 CS170917B1 CS480873A CS480873A CS170917B1 CS 170917 B1 CS170917 B1 CS 170917B1 CS 480873 A CS480873 A CS 480873A CS 480873 A CS480873 A CS 480873A CS 170917 B1 CS170917 B1 CS 170917B1
- Authority
- CS
- Czechoslovakia
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 pictures are removed from, and returned to, magazines; Magazines therefor
- G03B23/04—Devices for changing pictures in viewing apparatus or projectors in which pictures are removed from, and returned to, magazines; Magazines therefor with linear movement
- G03B23/046—Picture changing devices
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Push-Button Switches (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DD16411972A DD99451A1 (en:Method) | 1972-07-03 | 1972-07-03 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CS170917B1 true CS170917B1 (en:Method) | 1976-09-15 |
Family
ID=5487293
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CS480873A CS170917B1 (en:Method) | 1972-07-03 | 1973-07-03 |
Country Status (4)
| Country | Link |
|---|---|
| CS (1) | CS170917B1 (en:Method) |
| DD (1) | DD99451A1 (en:Method) |
| DE (2) | DE2245566A1 (en:Method) |
| NL (1) | NL7309210A (en:Method) |
-
1972
- 1972-07-03 DD DD16411972A patent/DD99451A1/xx unknown
- 1972-09-16 DE DE19722245566 patent/DE2245566A1/de active Pending
-
1973
- 1973-06-15 DE DE19737322282 patent/DE7322282U/de not_active Expired
- 1973-07-02 NL NL7309210A patent/NL7309210A/xx unknown
- 1973-07-03 CS CS480873A patent/CS170917B1/cs unknown
Also Published As
| Publication number | Publication date |
|---|---|
| DD99451A1 (en:Method) | 1973-08-13 |
| DE2245566A1 (de) | 1974-01-24 |
| DE7322282U (de) | 1973-11-15 |
| NL7309210A (en:Method) | 1974-01-07 |