JPH0311229U - - Google Patents
Info
- Publication number
- JPH0311229U JPH0311229U JP7045889U JP7045889U JPH0311229U JP H0311229 U JPH0311229 U JP H0311229U JP 7045889 U JP7045889 U JP 7045889U JP 7045889 U JP7045889 U JP 7045889U JP H0311229 U JPH0311229 U JP H0311229U
- Authority
- JP
- Japan
- Prior art keywords
- step motor
- detection means
- shutter blade
- detecting
- shutter
- 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
- 238000001514 detection method Methods 0.000 claims 3
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Shutters For Cameras (AREA)
Description
第１図は本考案の一実施例を示すカメラのシヤ
ツタ制御装置の構成図、第２図は第１図の装置の
動作を示すフローチヤート、第３図は第１図の装
置の動作を説明するタイミングチヤート、第４図
ａ，ｂは従来のステツピングモータ駆動によるシ
ヤツタ装置のシヤツタ開口量とステツプモータ駆
動パルスの関係を説明する図である。
Fig. 1 is a block diagram of a camera shutter control device showing an embodiment of the present invention, Fig. 2 is a flowchart showing the operation of the device shown in Fig. 1, and Fig. 3 explains the operation of the device shown in Fig. 1. FIGS. 4a and 4b are diagrams illustrating the relationship between the shutter opening amount and the step motor drive pulse in a conventional shutter device driven by a stepping motor.
Claims (1)
放駆動されるシヤツタ羽根と、上記ステツプモー
タのステツプ数より細かく上記シヤツタ羽根の開
放動作位置を検知する検知手段と、該検知手段の
出力に基づいて上記シヤツタ羽根の閉じタイミン
グを制御する制御手段とを備えたことを特徴とす
るカメラシヤツタ制御装置。 a step motor, a shutter blade driven to open by the step motor, a detection means for detecting the opening position of the shutter blade in finer detail than the number of steps of the step motor, and a detection means for detecting the opening operation position of the shutter blade based on the output of the detection means. 1. A camera shutter control device comprising: control means for controlling closing timing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7045889U JPH0311229U (en) | 1989-06-16 | 1989-06-16 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7045889U JPH0311229U (en) | 1989-06-16 | 1989-06-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0311229U true JPH0311229U (en) | 1991-02-04 |
Family
ID=31606631
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7045889U Pending JPH0311229U (en) | 1989-06-16 | 1989-06-16 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0311229U (en) |
-
1989
- 1989-06-16 JP JP7045889U patent/JPH0311229U/ja active Pending
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