DE69227C - - Google Patents
Info
- Publication number
- DE69227C DE69227C DENDAT69227D DE69227DA DE69227C DE 69227 C DE69227 C DE 69227C DE NDAT69227 D DENDAT69227 D DE NDAT69227D DE 69227D A DE69227D A DE 69227DA DE 69227 C DE69227 C DE 69227C
- Authority
- DE
- Germany
- Prior art keywords
- lever
- angle lever
- piston
- arm
- ring
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000010276 construction Methods 0.000 description 4
- 235000014443 Pyrus communis Nutrition 0.000 description 2
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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
- G03B9/00—Exposure-making shutters; Diaphragms
- G03B9/08—Shutters
- G03B9/10—Blade or disc rotating or pivoting about axis normal to its plane
- G03B9/18—More than two members
- G03B9/22—More than two members each moving in one direction to open and then in opposite direction to close, e.g. iris type
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Shutters For Cameras (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE69227C true DE69227C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
Family
ID=342711
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT69227D Active DE69227C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE69227C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE944231C (de) * | 1952-02-01 | 1956-06-07 | Carl Willy Schoenau | Objektivverschluss mit mechanisch bewegten Verschlussblaettern, der sehr kurze Belichtungszeiten ermoeglicht |
-
0
- DE DENDAT69227D patent/DE69227C/de active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE944231C (de) * | 1952-02-01 | 1956-06-07 | Carl Willy Schoenau | Objektivverschluss mit mechanisch bewegten Verschlussblaettern, der sehr kurze Belichtungszeiten ermoeglicht |
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