JPH0248827Y2 - - Google Patents
Info
- Publication number
- JPH0248827Y2 JPH0248827Y2 JP1980174106U JP17410680U JPH0248827Y2 JP H0248827 Y2 JPH0248827 Y2 JP H0248827Y2 JP 1980174106 U JP1980174106 U JP 1980174106U JP 17410680 U JP17410680 U JP 17410680U JP H0248827 Y2 JPH0248827 Y2 JP H0248827Y2
- Authority
- JP
- Japan
- Prior art keywords
- aperture
- servo motor
- blades
- current
- drive
- 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
- 239000000696 magnetic material Substances 0.000 claims description 6
- 238000006073 displacement reaction Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 7
- 238000006243 chemical reaction Methods 0.000 description 6
- BGPVFRJUHWVFKM-UHFFFAOYSA-N N1=C2C=CC=CC2=[N+]([O-])C1(CC1)CCC21N=C1C=CC=CC1=[N+]2[O-] Chemical compound N1=C2C=CC=CC2=[N+]([O-])C1(CC1)CCC21N=C1C=CC=CC1=[N+]2[O-] BGPVFRJUHWVFKM-UHFFFAOYSA-N 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 239000002131 composite material Substances 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
Landscapes
- Exposure Control For Cameras (AREA)
- Diaphragms For Cameras (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1980174106U JPH0248827Y2 (ko) | 1980-12-04 | 1980-12-04 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1980174106U JPH0248827Y2 (ko) | 1980-12-04 | 1980-12-04 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS57178225U JPS57178225U (ko) | 1982-11-11 |
| JPH0248827Y2 true JPH0248827Y2 (ko) | 1990-12-21 |
Family
ID=29966055
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1980174106U Expired JPH0248827Y2 (ko) | 1980-12-04 | 1980-12-04 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0248827Y2 (ko) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0822030B2 (ja) * | 1985-07-10 | 1996-03-04 | 旭精密株式会社 | テレビカメラ用レンズの自動絞り制御装置 |
-
1980
- 1980-12-04 JP JP1980174106U patent/JPH0248827Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS57178225U (ko) | 1982-11-11 |
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