JPH0413929U - - Google Patents

Info

Publication number
JPH0413929U
JPH0413929U JP5419190U JP5419190U JPH0413929U JP H0413929 U JPH0413929 U JP H0413929U JP 5419190 U JP5419190 U JP 5419190U JP 5419190 U JP5419190 U JP 5419190U JP H0413929 U JPH0413929 U JP H0413929U
Authority
JP
Japan
Prior art keywords
distance
adjusting means
distance adjusting
outputting
motor
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
JP5419190U
Other languages
Japanese (ja)
Other versions
JPH085447Y2 (en
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 JP1990054191U priority Critical patent/JPH085447Y2/en
Publication of JPH0413929U publication Critical patent/JPH0413929U/ja
Application granted granted Critical
Publication of JPH085447Y2 publication Critical patent/JPH085447Y2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Landscapes

  • Focusing (AREA)
  • Lens Barrels (AREA)

Description

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

第１図ないし第４図は本考案によるカメラ用レ
ンズ駆動装置の一実施例を示す図であり、第１図
はレンズ駆動機構の構成図、第２図は第１図に示
す駆動機構を制御する電気回路の一実施例を示す
回路図、第３図はカメラ用レンズ駆動装置の動作
を示すフローチヤート、第４図は同じくその波形
図である。 １……走査板、２……距離環（距離調節手段）
、３……ステツプモータ、４……駆動レバー、５
……ラチエツト車（係止手段）、６……電磁石、
７……係止レバー、８……２分割センサ、９……
発光素子、１１……アクテイブオートフオーカス
回路、１２……ステツプモータ駆動回路、１３…
…遅延回路、１４……電源保持回路、１５……マ
イクロコンピユータ、２０……被写体。 1 to 4 are diagrams showing an embodiment of a camera lens drive device according to the present invention, FIG. 1 is a block diagram of the lens drive mechanism, and FIG. 2 is a diagram showing the control of the drive mechanism shown in FIG. 1. FIG. 3 is a flowchart showing the operation of the camera lens driving device, and FIG. 4 is a waveform diagram thereof. 1...Scanning plate, 2...Distance ring (distance adjustment means)
, 3...Step motor, 4...Drive lever, 5
... Ratchet wheel (locking means), 6 ... Electromagnet,
7... Locking lever, 8... 2-split sensor, 9...
Light emitting element, 11... Active autofocus circuit, 12... Step motor drive circuit, 13...
...Delay circuit, 14...Power supply holding circuit, 15...Microcomputer, 20...Subject.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 被写体までの距離を検出する距離検出手段と、
撮影レンズを合焦点位置へ作動する距離調節手段
と、前記距離調節手段を合焦点位置に係止する係
止手段と、正逆回転して前記距離調節手段を駆動
するモータと、前記距離検出手段の信号に基づき
前記モータを介して前記距離調節手段を制御する
信号を出力する制御手段とを備え、前記制御手段
がモータの正転により前記距離調節手段を駆動し
、続いて前記制御信号を出力した後に、前記距離
調節手段のバツクラツシユに相応する逆転パルス
を出力し、前記距離調節手段を合焦点位置に係止
することを特徴とするカメラ用レンズ駆動装置。 distance detection means for detecting the distance to the subject;
a distance adjusting means for operating the photographing lens to a focused position; a locking means for locking the distance adjusting means at the focused position; a motor for driving the distance adjusting means by rotating in forward and reverse directions; and a distance detecting means. control means for outputting a signal for controlling the distance adjustment means via the motor based on the signal, the control means driving the distance adjustment means by normal rotation of the motor, and subsequently outputting the control signal. 2. A camera lens driving device, wherein the distance adjusting means is locked at an in-focus position by outputting a reverse pulse corresponding to the backlash of the distance adjusting means.
JP1990054191U 1990-05-24 1990-05-24 Lens drive for camera Expired - Fee Related JPH085447Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1990054191U JPH085447Y2 (en) 1990-05-24 1990-05-24 Lens drive for camera

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1990054191U JPH085447Y2 (en) 1990-05-24 1990-05-24 Lens drive for camera

Publications (2)

Publication Number Publication Date
JPH0413929U true JPH0413929U (en) 1992-02-04
JPH085447Y2 JPH085447Y2 (en) 1996-02-14

Family

ID=31576036

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1990054191U Expired - Fee Related JPH085447Y2 (en) 1990-05-24 1990-05-24 Lens drive for camera

Country Status (1)

Country Link
JP (1) JPH085447Y2 (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6273243A (en) * 1985-09-27 1987-04-03 Seiko Koki Kk Automatic focus adjusting device for camera
JPH01280712A (en) * 1988-05-06 1989-11-10 Minolta Camera Co Ltd Lens driving device

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6273243A (en) * 1985-09-27 1987-04-03 Seiko Koki Kk Automatic focus adjusting device for camera
JPH01280712A (en) * 1988-05-06 1989-11-10 Minolta Camera Co Ltd Lens driving device

Also Published As

Publication number Publication date
JPH085447Y2 (en) 1996-02-14

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Legal Events

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LAPS Cancellation because of no payment of annual fees