JPS5989330U - Variable focus camera with barrier - Google Patents

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 drawings]

第１図は本考案に係るバリア付可変焦点カメラに用いる
原理的なブロック図、第２図は第１図の回路を用いた本
考案に係るバリア付可変焦点カメラの機構の原理を示す
ための説明図、第３図は第２図のがリア付可変焦点カメ
ラのバリアを駆動するための第１図に示した原理回路図
を詳細に説明するための簡易図、第４図は第１図の原理
回路図の詳細な一実施例のスイッチ類を除いた回路図、
第５図は第１図及び第４図の各回路部分の出力状態を示
す簡易図、第６図は本考案に係るバリア付可変焦点カメ
ラの光学系の切替操作を完了した時の状態を示すバリア
付可変焦点カメラの断面図、第７図は、本考案に係るバ
リア付可変焦点カメラの光学系の各切替え状態を示すた
めの簡略図である。 １〜４・・・・・・スイッチ、５・・・・・・モータ、
６・・・・・・ロジック回路、７・・・・・・バリア開
閉つまみ、８・・・・・・モータ駆動回路、１０・・・
・・・主レンズ系、１１・・・・・・バリア、１２・・
・・・・ギヤ部、１３・・・・・・伝達ギヤ、１４゜１
５・・・・・・軸、１′〜４′・・・・・・（入力側の
）端子、５’、６’・・・・・・（出力側の）端子、Ａ
、　Ｂ、　Ｂ’　。 Ｃ，Ｄ、　Ｄ’　、　Ｅ、　Ｆ、　Ｇ、　Ｇ’・・・・
・・本考案に係るバリア付可変焦点カメラの機構の各状
態。Fig. 1 is a block diagram of the principle used in the variable focus camera with a barrier according to the present invention, and Fig. 2 is a block diagram showing the principle of the mechanism of the variable focus camera with a barrier according to the present invention using the circuit shown in Fig. 1. 3 is a simplified diagram for explaining in detail the principle circuit diagram shown in FIG. 1 for driving the barrier of the rear variable focus camera shown in FIG. 2, and FIG. 4 is a simplified diagram of FIG. 1. A detailed circuit diagram of an example of the principle circuit diagram excluding switches,
Fig. 5 is a simplified diagram showing the output state of each circuit part in Figs. 1 and 4, and Fig. 6 shows the state when the switching operation of the optical system of the variable focus camera with barrier according to the present invention is completed. FIG. 7, which is a sectional view of the variable focus camera with a barrier, is a simplified diagram showing each switching state of the optical system of the variable focus camera with a barrier according to the present invention. 1 to 4...Switch, 5...Motor,
6...Logic circuit, 7...Barrier opening/closing knob, 8...Motor drive circuit, 10...
...Main lens system, 11...Barrier, 12...
...Gear part, 13...Transmission gear, 14゜1
5...Axis, 1'-4'...(Input side) terminal, 5', 6'...(Output side) terminal, A
, B, B'. C, D, D', E, F, G, G'...
...Each state of the mechanism of the variable focus camera with barrier according to the present invention.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 光学系を切替えることにより、少なくとも２種類の焦点
距離に切替可能で、撮影レンズの前面で開閉するバリア
を設けたバリア付可変焦点カメラにおいて、該光学系の
焦点距離の切替操作途中もしくは切替操作未完了の時に
は該バリアが閉じることを特徴とするバリア付可変焦点
カメラ。In a variable focus camera with a barrier that can switch to at least two different focal lengths by switching the optical system and is equipped with a barrier that opens and closes in front of the photographic lens, the focal length of the optical system may be switched during or not yet. A variable focus camera with a barrier, characterized in that the barrier closes when completed.