JPS5836718U - Lens drive circuit switching device for autofocus camera with interchangeable lenses - Google Patents

Lens drive circuit switching device for autofocus camera with interchangeable lenses

Info

Publication number
JPS5836718U
JPS5836718U JP13072281U JP13072281U JPS5836718U JP S5836718 U JPS5836718 U JP S5836718U JP 13072281 U JP13072281 U JP 13072281U JP 13072281 U JP13072281 U JP 13072281U JP S5836718 U JPS5836718 U JP S5836718U
Authority
JP
Japan
Prior art keywords
autofocus
lens
camera
drive circuit
detection means
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
JP13072281U
Other languages
Japanese (ja)
Other versions
JPH0210485Y2 (en
Inventor
熱田　利一
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Kyocera Corp
Original Assignee
Kyocera Corp
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 Kyocera Corp filed Critical Kyocera Corp
Priority to JP13072281U priority Critical patent/JPS5836718U/en
Publication of JPS5836718U publication Critical patent/JPS5836718U/en
Application granted granted Critical
Publication of JPH0210485Y2 publication Critical patent/JPH0210485Y2/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図および第２図は本考案の第１の実施例を説明する
ための回路図、第３図は本考案のレンズ検出手段の実施
例を示す説明図、第４図は本考案の第２の実施例を説明
するための回路図、第５図、第６図は本考案のレンズ検
出ボタンの第１および第２の実施例を示す構造図である
。 １・・・フランジ、２・・・メタル、３・・・ボタン、
４・・・スナップリング、５・・・接片、６・・・ねＵ
、？−・・プリント基板、８・・・はね、１１・・・フ
ランジ、１３・・・ビ　　　　ン、１４・・・ばね。 堅し 第５図 （Ｂ）1 and 2 are circuit diagrams for explaining the first embodiment of the present invention, FIG. 3 is an explanatory diagram showing an embodiment of the lens detection means of the present invention, and FIG. 4 is a circuit diagram for explaining the first embodiment of the present invention. FIGS. 5 and 6 are structural diagrams showing the first and second embodiments of the lens detection button of the present invention. 1...flange, 2...metal, 3...button,
4...Snap ring, 5...Touch piece, 6...Ne U
,? -...Printed circuit board, 8...spring, 11...flange, 13...bottle, 14...spring. Hardness Figure 5 (B)

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] カメラの前面で光軸に平行に設けられ、カメラ内のオー
トフォーカス駆動回路により回転する出力軸と交換レン
ズに設けられ該レンズをカメラに結合したときに前記出
力軸に結合される入力軸とからなるオートフォーカス駆
動機構を有するレンズ交換可能なオートフォーカスカメ
ラにおいて、オートフォーカスレンズの装着状態を検出
する検出手段と、オートフォーカス駆動操作部材に連動
しオートフォーカス時に閉成される起動スイッチと、前
記検出手段に連動し前記起動スイッチに直列に挿入され
た切換スイッチを設け、前記検出手段がオートフォーカ
スレンズが装着されていないことを検出したときには前
記切換スイッチを開成してオートフォーカス回路を閉路
し、オートフォーカスレンズが装着されており、前記オ
ートフォーカス駆動機構の入出力軸が結合されていない
ことを検出したときには、前記オートフォーカス駆動回
路を作動させ、一定短時間だけ前記出力軸を回転させ前
記入力軸と結合させるよう構成したことを特徴とするレ
ンズ交換可能なオートフォーカスカメラのレンズ駆動回
路切換袋Ｍ。an output shaft that is provided parallel to the optical axis on the front of the camera and rotates by an autofocus drive circuit within the camera; and an input shaft that is provided on the interchangeable lens and is coupled to the output shaft when the lens is coupled to the camera. In an autofocus camera having an interchangeable lens and having an autofocus drive mechanism, the detection means detects the attachment state of the autofocus lens, an activation switch that is linked to an autofocus drive operation member and is closed during autofocus, and the detection means that detects the attachment state of the autofocus lens; A changeover switch is provided which is interlocked with the means and inserted in series with the start switch, and when the detection means detects that the autofocus lens is not attached, the changeover switch is opened to close the autofocus circuit, and the autofocus circuit is closed. When it is detected that the focus lens is attached and the input and output shafts of the autofocus drive mechanism are not connected, the autofocus drive circuit is activated to rotate the output shaft for a certain period of time to rotate the input shaft of the autofocus drive mechanism. 1. A lens drive circuit switching bag M for an autofocus camera with interchangeable lenses, characterized in that it is configured to be combined with a lens-exchangeable autofocus camera.
JP13072281U 1981-09-01 1981-09-01 Lens drive circuit switching device for autofocus camera with interchangeable lenses Granted JPS5836718U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13072281U JPS5836718U (en) 1981-09-01 1981-09-01 Lens drive circuit switching device for autofocus camera with interchangeable lenses

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13072281U JPS5836718U (en) 1981-09-01 1981-09-01 Lens drive circuit switching device for autofocus camera with interchangeable lenses

Publications (2)

Publication Number Publication Date
JPS5836718U true JPS5836718U (en) 1983-03-10
JPH0210485Y2 JPH0210485Y2 (en) 1990-03-15

Family

ID=29924335

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13072281U Granted JPS5836718U (en) 1981-09-01 1981-09-01 Lens drive circuit switching device for autofocus camera with interchangeable lenses

Country Status (1)

Country Link
JP (1) JPS5836718U (en)

Also Published As

Publication number Publication date
JPH0210485Y2 (en) 1990-03-15

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