CH405755A - Folding screen - Google Patents
Folding screenInfo
- Publication number
- CH405755A CH405755A CH274964A CH274964A CH405755A CH 405755 A CH405755 A CH 405755A CH 274964 A CH274964 A CH 274964A CH 274964 A CH274964 A CH 274964A CH 405755 A CH405755 A CH 405755A
- Authority
- CH
- Switzerland
- Prior art keywords
- folding screen
- folding
- screen
- 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
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
BE2042410 | 1963-03-11 |
Publications (1)
Publication Number | Publication Date |
---|---|
CH405755A true CH405755A (en) | 1966-01-15 |
Family
ID=3864795
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH274964A CH405755A (en) | 1963-03-11 | 1964-03-04 | Folding screen |
Country Status (4)
Country | Link |
---|---|
BE (1) | BE629406A (en) |
CH (1) | CH405755A (en) |
GB (1) | GB1013484A (en) |
NL (1) | NL6402177A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111251753A (en) * | 2020-01-17 | 2020-06-09 | 深圳市凯博特科技有限公司 | Erasable and projectable posted white board film |
-
0
- BE BE629406D patent/BE629406A/xx unknown
-
1964
- 1964-03-04 NL NL6402177A patent/NL6402177A/xx unknown
- 1964-03-04 CH CH274964A patent/CH405755A/en unknown
- 1964-03-09 GB GB9843/64A patent/GB1013484A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111251753A (en) * | 2020-01-17 | 2020-06-09 | 深圳市凯博特科技有限公司 | Erasable and projectable posted white board film |
Also Published As
Publication number | Publication date |
---|---|
BE629406A (en) | 1900-01-01 |
NL6402177A (en) | 1964-09-14 |
GB1013484A (en) | 1965-12-15 |
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