CH495565A - Stativ-Bildleinwand - Google Patents
Stativ-BildleinwandInfo
- Publication number
- CH495565A CH495565A CH1062369A CH1062369A CH495565A CH 495565 A CH495565 A CH 495565A CH 1062369 A CH1062369 A CH 1062369A CH 1062369 A CH1062369 A CH 1062369A CH 495565 A CH495565 A CH 495565A
- Authority
- CH
- Switzerland
- Prior art keywords
- projection screen
- tripod
- tripod projection
- screen
- projection
- 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
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/54—Accessories
- G03B21/56—Projection screens
- G03B21/58—Projection screens collapsible, e.g. foldable; of variable area
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19691941171 DE1941171A1 (de) | 1969-07-11 | 1969-08-13 | Stativ-Bildleinwand fuer ambulante Zwecke |
DE6932287U DE6932287U (de) | 1969-07-11 | 1969-08-14 | Stativ-bildleinwand fuer ambulante zwecke. |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE1797141 | 1968-08-21 |
Publications (1)
Publication Number | Publication Date |
---|---|
CH495565A true CH495565A (de) | 1970-08-31 |
Family
ID=5708530
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH1062369A CH495565A (de) | 1968-08-21 | 1969-07-11 | Stativ-Bildleinwand |
Country Status (4)
Country | Link |
---|---|
BE (1) | BE736885A (de) |
CH (1) | CH495565A (de) |
FR (1) | FR2016030A1 (de) |
NL (1) | NL6912699A (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0522514A1 (de) * | 1991-07-08 | 1993-01-13 | MECHANISCHE WEBEREI GMBH & CO. | Gehäusekasten für aufrollbare Lichtbildwand |
-
1969
- 1969-07-11 CH CH1062369A patent/CH495565A/de not_active IP Right Cessation
- 1969-07-31 BE BE736885D patent/BE736885A/xx unknown
- 1969-08-01 FR FR6926445A patent/FR2016030A1/fr not_active Withdrawn
- 1969-08-20 NL NL6912699A patent/NL6912699A/xx unknown
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0522514A1 (de) * | 1991-07-08 | 1993-01-13 | MECHANISCHE WEBEREI GMBH & CO. | Gehäusekasten für aufrollbare Lichtbildwand |
Also Published As
Publication number | Publication date |
---|---|
NL6912699A (de) | 1970-02-24 |
BE736885A (de) | 1969-12-31 |
FR2016030A1 (de) | 1970-04-30 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PL | Patent ceased |