DE3100187C2 - Elektromagnetisch angetriebene Verschlußeinrichtung - Google Patents
Elektromagnetisch angetriebene VerschlußeinrichtungInfo
- Publication number
- DE3100187C2 DE3100187C2 DE3100187A DE3100187A DE3100187C2 DE 3100187 C2 DE3100187 C2 DE 3100187C2 DE 3100187 A DE3100187 A DE 3100187A DE 3100187 A DE3100187 A DE 3100187A DE 3100187 C2 DE3100187 C2 DE 3100187C2
- Authority
- DE
- Germany
- Prior art keywords
- permanent magnet
- yoke
- electromagnetically driven
- shutter
- locking device
- 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.)
- Expired
Links
- 239000000843 powder Substances 0.000 claims description 5
- 230000005291 magnetic effect Effects 0.000 abstract description 5
- 239000004033 plastic Substances 0.000 abstract description 3
- 229920003023 plastic Polymers 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 229910000828 alnico Inorganic materials 0.000 description 2
- 238000001746 injection moulding Methods 0.000 description 2
- 239000006247 magnetic powder Substances 0.000 description 2
- 238000005245 sintering Methods 0.000 description 2
- 125000006850 spacer group Chemical group 0.000 description 2
- 229910001047 Hard ferrite Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000003302 ferromagnetic material Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229920002725 thermoplastic elastomer Polymers 0.000 description 1
- 229910000859 α-Fe Inorganic materials 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
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Shutters For Cameras (AREA)
- Reciprocating, Oscillating Or Vibrating Motors (AREA)
- Exposure Control For Cameras (AREA)
- Electromagnets (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1980000500U JPS56102525U (enrdf_load_stackoverflow) | 1980-01-08 | 1980-01-08 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE3100187A1 DE3100187A1 (de) | 1981-12-03 |
| DE3100187C2 true DE3100187C2 (de) | 1983-04-14 |
Family
ID=11475471
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE3100187A Expired DE3100187C2 (de) | 1980-01-08 | 1981-01-07 | Elektromagnetisch angetriebene Verschlußeinrichtung |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JPS56102525U (enrdf_load_stackoverflow) |
| DE (1) | DE3100187C2 (enrdf_load_stackoverflow) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6068524U (ja) * | 1983-10-14 | 1985-05-15 | キヤノン株式会社 | シヤツタ−の電磁駆動装置 |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3056341A (en) * | 1958-05-15 | 1962-10-02 | Polaroid Corp | Photographic shutter mechanism |
| DE1198451B (de) * | 1959-06-12 | 1965-08-12 | Elektro App Werke Berlin Trept | Magnetsystem fuer Kernmagnetmesswerke |
-
1980
- 1980-01-08 JP JP1980000500U patent/JPS56102525U/ja active Pending
-
1981
- 1981-01-07 DE DE3100187A patent/DE3100187C2/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS56102525U (enrdf_load_stackoverflow) | 1981-08-11 |
| DE3100187A1 (de) | 1981-12-03 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OP8 | Request for examination as to paragraph 44 patent law | ||
| D2 | Grant after examination | ||
| 8364 | No opposition during term of opposition |