JPH0420025U - - Google Patents

Info

Publication number
JPH0420025U
JPH0420025U JP6162690U JP6162690U JPH0420025U JP H0420025 U JPH0420025 U JP H0420025U JP 6162690 U JP6162690 U JP 6162690U JP 6162690 U JP6162690 U JP 6162690U JP H0420025 U JPH0420025 U JP H0420025U
Authority
JP
Japan
Prior art keywords
aperture
step motor
diaphragm
blade
diameter
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.)
Granted
Application number
JP6162690U
Other languages
English (en)
Other versions
JP2543967Y2 (ja
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP1990061626U priority Critical patent/JP2543967Y2/ja
Publication of JPH0420025U publication Critical patent/JPH0420025U/ja
Application granted granted Critical
Publication of JP2543967Y2 publication Critical patent/JP2543967Y2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Landscapes

  • Diaphragms For Cameras (AREA)

Description

【図面の簡単な説明】
第１図ないし第３図は本考案によるステツプモ
ータ駆動の絞り装置の一実施例を示す図であり、
第１図はその絞り機構の平面図、第２図はステツ
プモータの平面図、第３図ａ〜ｃはそれぞれ動作
の一例を説明するための線図である。 ２６，２７……絞り羽根、４０……ストツパピ
ン、Ｍ……ステツプモータ。

Claims (1)

  1. 【実用新案登録請求の範囲】 (1) 制御回路からの信号により回転するステツ
    プモータと、前記ステツプモータの回転により駆
    動されてレンズ開口の絞り開口径を制御する絞り
    羽根と、前記絞り羽根の最小絞り開口径あるいは
    最大絞り開口径における位置を規制するストツパ
    部材とを備えたことを特徴とするステツプモータ
    駆動の絞り装置。 (2) 前記ストツパ部材の前記絞り羽根に対する
    規制位置を調整可能としたことを特徴とする請求
    項(1)記載のステツプモータの駆動絞り装置。
JP1990061626U 1990-06-11 1990-06-11 ステップモータ駆動の絞り装置 Expired - Fee Related JP2543967Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1990061626U JP2543967Y2 (ja) 1990-06-11 1990-06-11 ステップモータ駆動の絞り装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1990061626U JP2543967Y2 (ja) 1990-06-11 1990-06-11 ステップモータ駆動の絞り装置

Publications (2)

Publication Number Publication Date
JPH0420025U true JPH0420025U (ja) 1992-02-19
JP2543967Y2 JP2543967Y2 (ja) 1997-08-13

Family

ID=31590042

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1990061626U Expired - Fee Related JP2543967Y2 (ja) 1990-06-11 1990-06-11 ステップモータ駆動の絞り装置

Country Status (1)

Country Link
JP (1) JP2543967Y2 (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7161745B2 (en) 2003-10-29 2007-01-09 Konica Minolta Opto, Inc. Aperture stop mechanism, illumination optical system, projection optical system, and projector

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60141682U (ja) * 1984-02-27 1985-09-19 株式会社精工舎 ステツプモ−タ駆動のセクタ開閉装置
JPH01126633A (ja) * 1987-11-12 1989-05-18 Canon Inc カメラの絞り制御装置
JPH0188930U (ja) * 1987-12-03 1989-06-12

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60141682U (ja) * 1984-02-27 1985-09-19 株式会社精工舎 ステツプモ−タ駆動のセクタ開閉装置
JPH01126633A (ja) * 1987-11-12 1989-05-18 Canon Inc カメラの絞り制御装置
JPH0188930U (ja) * 1987-12-03 1989-06-12

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7161745B2 (en) 2003-10-29 2007-01-09 Konica Minolta Opto, Inc. Aperture stop mechanism, illumination optical system, projection optical system, and projector

Also Published As

Publication number Publication date
JP2543967Y2 (ja) 1997-08-13

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Legal Events

Date Code Title Description
LAPS Cancellation because of no payment of annual fees