JPS61119116U - - Google Patents

Description

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

図面は本考案に係る自動合焦装置付カメラの実
施例を示し、第１図は自動合焦装置の概略構成図
、第２図は焦点合わせ動作のフローチヤート、第
３図ａ，ｂは夫々レンズ駆動を行うモータの速度
制御状態を示すグラフ、第４図はレンズ駆動制御
のフローチヤート、第５図はモータの始動のフロ
ーチヤート、第６図はモータの駆動制御回路のブ
ロツク図、第７図はモータ駆動部の回路図、第８
図及び第９図は夫々モータの速度制御のタイムチ
ヤート、第１０図はレリーズボタン部分の概略図
である。 １……合焦判別手段、Ｍ……レンズ駆動手段、
Ｓ_０……スイツチング手段、Ｓ_１……切替手段、
ＢＺ……発音体。 The drawings show an embodiment of the camera with an automatic focusing device according to the present invention, in which FIG. 1 is a schematic configuration diagram of the automatic focusing device, FIG. 2 is a flowchart of the focusing operation, and FIGS. 3 a and 3 b are respectively Graph showing the speed control state of the motor that drives the lens. FIG. 4 is a flowchart of lens drive control. FIG. 5 is a flowchart of motor starting. FIG. 6 is a block diagram of the motor drive control circuit. The figure is a circuit diagram of the motor drive section, No. 8
9 and 9 are time charts of motor speed control, respectively, and FIG. 10 is a schematic diagram of the release button portion. 1... Focus determination means, M... Lens driving means,
S ₀ ... switching means, S ₁ ... switching means,
BZ...pronounced body.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] スイツチング手段の閉成状態で撮影レンズによ
る被写体に対する合焦状態を判別する手段、この
合焦判別手段による判別結果に基づいて撮影レン
ズを駆動する手段、前記合焦判別手段によつて合
焦と判別されたときに発音作動入力によつて発音
可能な発音体の作動手段、及び、前記合焦判別手
段によつて合焦と判別された後もレンズ駆動手段
によるレンズ駆動を許可する第１の状態と、一旦
合焦と判別された後はレンズ駆動手段によるレン
ズ駆動を禁止する第２の状態とに切り替える切替
手段を備えた自動合焦装置付カメラであつて、前
記切替手段によつて第１の状態に切り替えられて
いるときに前記発音体作動手段への発音作動入力
を禁止し、第２の状態に切り替えられているとき
に前記発音体作動手段への発音作動入力を許可す
るようにしてある自動合焦装置付カメラ。 means for determining the in-focus state of the photographic lens on the object when the switching means is closed; means for driving the photographic lens based on the determination result by the focus determination means; and determination of in-focus by the focus determination means. and a first state in which the lens drive means is allowed to drive the lens even after the focus determination means determines that the focus is in focus. and a second state in which driving of the lens by the lens drive means is prohibited once it is determined that the camera is in focus, When the state is switched to the second state, the sound generation operation input to the sound generation body activation means is prohibited, and when the state is switched to the second state, the sound generation operation input to the sound generation body activation means is allowed. A camera with an autofocus device.