JPH0219121U - - Google Patents
Info
- Publication number
- JPH0219121U JPH0219121U JP9877788U JP9877788U JPH0219121U JP H0219121 U JPH0219121 U JP H0219121U JP 9877788 U JP9877788 U JP 9877788U JP 9877788 U JP9877788 U JP 9877788U JP H0219121 U JPH0219121 U JP H0219121U
- Authority
- JP
- Japan
- Prior art keywords
- shutter
- shutter blade
- blades
- stabilizing
- moving
- 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.)
- Pending
Links
- 230000000087 stabilizing effect Effects 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
Landscapes
- Shutters For Cameras (AREA)
Description
第１図は本考案によるシヤツターの実施例の概
略的説明図。第２図は本考案のシヤツターの作動
を説明する為のシヤツター羽根駆動電流及びシヤ
ツター羽根開閉作動を示す線図。第３図は本考案
によるシヤツターの変形実施例の概略的説明図。
１…シヤツター羽根、２…シヤツターアパチヤ
ー、３…軸、４…アクチユエーター、５…軸、６
…永久磁石、７…固定コイル、８…アーム、９…
シヤツター羽根作動ピン、１０…長孔、１１…電
源、１２…制御回路、１３…ドライバー、１４…
ばね、１５…鉄ピン即ち磁性体。
FIG. 1 is a schematic explanatory diagram of an embodiment of a shutter according to the present invention. FIG. 2 is a diagram showing the shutter blade drive current and the shutter blade opening/closing operation for explaining the operation of the shutter of the present invention. FIG. 3 is a schematic explanatory diagram of a modified embodiment of the shutter according to the present invention. 1... Shutter blade, 2... Shutter aperture, 3... Axis, 4... Actuator, 5... Axis, 6
...Permanent magnet, 7...Fixed coil, 8...Arm, 9...
Shutter blade operating pin, 10...long hole, 11...power supply, 12...control circuit, 13...driver, 14...
Spring, 15... Iron pin, i.e. magnetic material.
Claims (1)
式のアクチユエーターの固定コイルに対して電源
から制御回路を介して正逆方向に通電することに
よつてシヤツター羽根を開閉させると共に、前記
シヤツター羽根を常時開き側に移動させて安定さ
せる手段を備えたシヤツター羽根の開閉装置に於
て、前記制御回路のシヤツター羽根閉鎖駆動電流
をシヤツター羽根開放駆動電流よりも大きく設定
し、これによつて前記シヤツター羽根を開き側に
移動させて安定させる手段の作用に抗してシヤツ
ター羽根の閉鎖速度を大となしてシヤツター秒時
を短縮可能になしたことを特徴とするシヤツター
羽根の開閉装置。 The shutter blades are opened and closed by energizing the fixed coil of a rotary magnet type actuator that is linked to the shutter blades in the forward and reverse directions from the power supply through the control circuit, and the shutter blades are always kept in the open side. In a shutter blade opening/closing device equipped with a means for stabilizing the shutter blade by moving the shutter blade to A shutter blade opening/closing device characterized in that the shutter speed can be shortened by increasing the closing speed of the shutter blade against the action of a means for stabilizing the shutter blade by moving the shutter blade.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9877788U JPH0219121U (en) | 1988-07-26 | 1988-07-26 | |
| US07/382,187 US4984003A (en) | 1988-07-22 | 1989-07-20 | Device for opening and closing shutter blade without bounce |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9877788U JPH0219121U (en) | 1988-07-26 | 1988-07-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0219121U true JPH0219121U (en) | 1990-02-08 |
Family
ID=31325340
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9877788U Pending JPH0219121U (en) | 1988-07-22 | 1988-07-26 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0219121U (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS552268A (en) * | 1978-06-21 | 1980-01-09 | Canon Inc | Driving circuit of electromagnetically driven shutter |
| JPS634167A (en) * | 1986-06-23 | 1988-01-09 | 株式会社エヌ・エス・ピ− | Support jig of mold frame for foundation concrete |
-
1988
- 1988-07-26 JP JP9877788U patent/JPH0219121U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS552268A (en) * | 1978-06-21 | 1980-01-09 | Canon Inc | Driving circuit of electromagnetically driven shutter |
| JPS634167A (en) * | 1986-06-23 | 1988-01-09 | 株式会社エヌ・エス・ピ− | Support jig of mold frame for foundation concrete |
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