JPS59149120U - Auto focus camera lens drive device - Google Patents

Auto focus camera lens drive device

Info

Publication number
JPS59149120U
JPS59149120U JP4303883U JP4303883U JPS59149120U JP S59149120 U JPS59149120 U JP S59149120U JP 4303883 U JP4303883 U JP 4303883U JP 4303883 U JP4303883 U JP 4303883U JP S59149120 U JPS59149120 U JP S59149120U
Authority
JP
Japan
Prior art keywords
electromagnet
cam
drive device
lens drive
lens
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
JP4303883U
Other languages
Japanese (ja)
Other versions
JPH0219793Y2 (en
Inventor
大村　紘
和雄 鎌田
Original Assignee
富士写真フイルム株式会社
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 by 富士写真フイルム株式会社 filed Critical 富士写真フイルム株式会社
Priority to JP4303883U priority Critical patent/JPS59149120U/en
Publication of JPS59149120U publication Critical patent/JPS59149120U/en
Application granted granted Critical
Publication of JPH0219793Y2 publication Critical patent/JPH0219793Y2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Focusing (AREA)
  • Lens Barrels (AREA)

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は本考案に係るオートフォーカスカメラのレンズ
駆動装置の一実施例を示す説明正面図、第２図はその一
部縦断面図、第３図は第１図のＭ−Ｍ断面図、第４図は
操作回路図である。 １・・・・・・レンズ、２・・・・・・レンズ枠体、３
・・・・・・案内棒、４・・・・・・案内ディスク、５
・・・・・・テーパー面カム、９・・・・・・駆動レバ
ー、１１．１９・・・・・・永久磁石、１２．１５・・
・・・・電磁石、１４・・・・・・段カム、１８・・・
・・・ストップレバー、２０・・・・・・Ｖ字形スプリ
ング、　　　　　３０・・・・・・ＯＲゲート素子、３
１・・・・・・ＡＮＤゲート素子、３・４・・・・・・
インバータ素子。FIG. 1 is an explanatory front view showing one embodiment of the lens drive device for an autofocus camera according to the present invention, FIG. 2 is a partial vertical sectional view thereof, and FIG. 3 is a sectional view taken along the line MM in FIG. 1. FIG. 4 is an operating circuit diagram. 1...Lens, 2...Lens frame, 3
...Guide rod, 4...Guide disk, 5
...Tapered surface cam, 9...Drive lever, 11.19...Permanent magnet, 12.15...
...Electromagnet, 14...Step cam, 18...
... Stop lever, 20 ... V-shaped spring, 30 ... OR gate element, 3
1...AND gate element, 3, 4...
Inverter element.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] テーパー面カムまたはへリコイド溝面カムなどを有する
案内ディスクと、このカムに案内される案内棒と、レン
ズを固設し前記案内ディスクの回転により前記案内棒を
介して光軸方向に移動するレンズ枠体と、前記案内ディ
スクを回転する駆動源とからなるオートフォーカスカメ
ラのレンズ駆動装置において、前記案内ディスクに回転
停止位置を規定する段カムを３段階設け、別に前記レン
ズ枠体外に対向する両極を有する電磁石を設け、この電
磁石と前記段カムとの間に、一端はこの段カムと当接し
、永久磁石を固設した他端は前記電磁石の対向する両極
間にあるようにしたス・トップレバーを設け、このスト
ップレバーの両端が前記電磁石に通電されないときにそ
れぞれ前記段カムおよび電磁石の中間点にあるように、
中立バネで枢軸保持したことを特徴とするオートフォー
カスカメラのレンズ駆動装置。A guide disk having a tapered surface cam or a helicoid groove surface cam, a guide rod guided by the cam, and a lens that is fixedly attached and moves in the optical axis direction via the guide rod by rotation of the guide disk. In a lens drive device for an autofocus camera, which includes a frame body and a drive source that rotates the guide disk, the guide disk is provided with three step cams that define a rotation stop position, and two poles facing outside the lens frame body are provided. An electromagnet having a permanent magnet is provided between the electromagnet and the stepped cam, one end of which is in contact with the stepped cam, and the other end having a permanent magnet fixed thereon is located between the opposing poles of the electromagnet. a lever is provided, such that both ends of the stop lever are at midpoints of the step cam and the electromagnet, respectively, when the electromagnet is not energized;
A lens drive device for an autofocus camera that is characterized by a pivot held by a neutral spring.
JP4303883U 1983-03-25 1983-03-25 Auto focus camera lens drive device Granted JPS59149120U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4303883U JPS59149120U (en) 1983-03-25 1983-03-25 Auto focus camera lens drive device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4303883U JPS59149120U (en) 1983-03-25 1983-03-25 Auto focus camera lens drive device

Publications (2)

Publication Number Publication Date
JPS59149120U true JPS59149120U (en) 1984-10-05
JPH0219793Y2 JPH0219793Y2 (en) 1990-05-31

Family

ID=30173567

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4303883U Granted JPS59149120U (en) 1983-03-25 1983-03-25 Auto focus camera lens drive device

Country Status (1)

Country Link
JP (1) JPS59149120U (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5636632A (en) * 1979-09-03 1981-04-09 Seiko Koki Kk Self-timer for automatic focusing control camera
JPS57181532A (en) * 1981-05-02 1982-11-09 Olympus Optical Co Ltd Exposure controlling device for camera
JPS59162510A (en) * 1983-03-04 1984-09-13 Konishiroku Photo Ind Co Ltd Driving device of photographic lens

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5636632A (en) * 1979-09-03 1981-04-09 Seiko Koki Kk Self-timer for automatic focusing control camera
JPS57181532A (en) * 1981-05-02 1982-11-09 Olympus Optical Co Ltd Exposure controlling device for camera
JPS59162510A (en) * 1983-03-04 1984-09-13 Konishiroku Photo Ind Co Ltd Driving device of photographic lens

Also Published As

Publication number Publication date
JPH0219793Y2 (en) 1990-05-31

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