JPH0424714U - - Google Patents
Info
- Publication number
- JPH0424714U JPH0424714U JP6511390U JP6511390U JPH0424714U JP H0424714 U JPH0424714 U JP H0424714U JP 6511390 U JP6511390 U JP 6511390U JP 6511390 U JP6511390 U JP 6511390U JP H0424714 U JPH0424714 U JP H0424714U
- Authority
- JP
- Japan
- Prior art keywords
- step motor
- drive
- driving
- drive member
- opening
- 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
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Focusing (AREA)
- Lens Barrels (AREA)
Description
第１図および第２図は本考案によるステツプモ
ータ駆動カメラの一実施例を示す図であり、第１
図はシヤツタ駆動装置の平面図、第２図はシヤツ
タ駆動装置の動作を説明するタイムチヤートであ
る。
１……シヤツタ駆動装置、２，４……一組の歯
車、２，１０……駆動部材、２ａ，２ｃ，４ａ，
４ｃ……円形のギア、２ｂ，４ｂ……非円形のギ
ア。
FIGS. 1 and 2 are diagrams showing an embodiment of a step motor-driven camera according to the present invention.
The figure is a plan view of the shutter drive device, and FIG. 2 is a time chart illustrating the operation of the shutter drive device. DESCRIPTION OF SYMBOLS 1... Shutter drive device, 2, 4... A set of gears, 2, 10... Drive member, 2a, 2c, 4a,
4c...Circular gear, 2b, 4b...Non-circular gear.
Claims (1)
ータと、前記ステツプモータの回転により駆動さ
れてレンズ駆動機構あるいは開閉機構の駆動を行
う駆動部材と、前記ステツプモータと駆動部材と
の間に配設され前記レンズ駆動時あるいは前記開
閉機構駆動時の前記ステツプモータの１パルス当
りの回転における駆動部材の動作速度を異らしめ
る変速歯車機構とを備えたことを特徴とするステ
ツプモータ駆動カメラ。 a step motor that rotates in response to a signal from a control circuit; a drive member that is driven by the rotation of the step motor to drive a lens drive mechanism or an opening/closing mechanism; and a drive member that is disposed between the step motor and the drive member and that drives the lens. 1. A step motor driven camera comprising: a variable speed gear mechanism that varies the operating speed of a driving member in rotation per pulse of the step motor during driving or when driving the opening/closing mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6511390U JPH0424714U (en) | 1990-06-20 | 1990-06-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6511390U JPH0424714U (en) | 1990-06-20 | 1990-06-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0424714U true JPH0424714U (en) | 1992-02-27 |
Family
ID=31596655
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6511390U Pending JPH0424714U (en) | 1990-06-20 | 1990-06-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0424714U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011039182A (en) * | 2009-08-07 | 2011-02-24 | Canon Inc | Lens barrel |
-
1990
- 1990-06-20 JP JP6511390U patent/JPH0424714U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011039182A (en) * | 2009-08-07 | 2011-02-24 | Canon Inc | Lens barrel |
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