JPH02107114U

JPH02107114U -

Info

Publication number: JPH02107114U
Application number: JP1645189U
Authority: JP
Priority date: 1989-02-15
Filing date: 1989-02-15
Publication date: 1990-08-27

Description

[Brief explanation of drawings]

第１図ａ〜ｅは夫々本考案の一実施例にかかる
カメラの変倍機構を有する電子スチルカメラの平
面図、正面図、底面図、左側面図及び右側面図、
第１図ｆは上記スチルカメラ内に備えられる駆動
システムを示す説明図、第２図ａ〜ｃは夫々広角
レンズ、望遠レンズ及びクローズアツプレンズの
状態を示す説明図、第３図は各レンズでの撮影可
能距離及び人物を撮影した場合の画面比を示す図
、第４図ａはレンズ切換駆動機構を示す要部断面
図、第４図ｂ，ｄ，ｆ，ｈ，ｊ，ｌは夫々レンズ
前ブロツクの動作を示す説明図、第４図ｃ，ｅ，
ｇ，ｉ，ｋ，ｍは夫々レンズ後ブロツクの動作を
示す説明図、第５図ａはレンズ状態検出手段のパ
ターン基板のパターン図、第５図ｂは上記パター
ン基板と切片とより生ずる信号を示すタイミング
チヤート図、第６図ａ〜ｄは夫々バリア開閉動作
を示す説明図、第６図ｅ〜ｇは夫々バリア開閉機
構の説明図、第７図ａ，ｂは夫々欠歯歯車の正面
図及び該歯車に肉盛り部を形成した場合の正面図
、第８図ａ，ｂは夫々広角レンズにおけるフアイ
ンダー切換動作の説明図、第８図ｃ，ｄは夫々望
遠レンズにおけるフアインダー切換動作の説明図
、第８図ｅ，ｆは夫々クローズアツプレンズにお
けるフアインダー切換動作の説明図、第８図ｇ〜
ｉは夫々フアインダー切換動作を行う機構の説明
図、第９図ａ〜ｄは夫々切換防止機構の動作を示
す説明図、第９図ｅは切換防止スプリングの取付
状態を示す斜視図、第１０図ａ〜ｃは夫々上記カ
メラの迷光防止機構を示す説明図、第１１図ａ，
ｂは夫々レンズの切換動作のフローチヤート、第
１１図ｃはバリア開閉動作のフローチヤートであ
る。１…レンズ前ブロツク、１ａ，１ｂ…主光学系
、１ｋ，１ｌ，１ｍ…迷光防止壁、２…レンズ後
ブロツク、２ｃ…副光学系、２ｋ，２ｌ…迷光防
止壁、３…望遠スイツチ、４…クローズアツプス
イツチ、５…レリーズスイツチ、６…カメラマイ
コン、７…モータ、８…減速ギヤ、９…太陽ギヤ
、１０…遊星ギヤ、１１…レンズ切換ギヤＡ、１
２…レンズ状態検出手段、１３…レンズ切換ギヤ
Ｂ、１４…レンズ切換ギヤＣ、１５…レンズ切換
ギヤＣ′、１６…スナツプスプリングＡ、１７…
スナツプスプリングＢ、１８…切換防止爪Ａ、１
９…切換防止スプリングＡ、２０…切換防止爪Ｂ
、２１…切換防止スプリングＢ、２２…レンズ回
転軸、２３…レンズ位置決めＡ、２４…レンズ位
置決めＢ、２５…撮像素子、４０…フアインダー
部、４１…広角コン副光学系ブロツク、４２…広
角コンギヤ、４３…広角コンスプリング、４４…
広角コンストツパー、４５…クサビレンズブロツ
ク、４６…クサビギヤ、４７…クサビスプリング
、４８…クサビストツパー、５１…バリア駆動ギ
ヤ、５２…バリア状態検出手段、５３…バリア駆
動レバー、５４…バリア駆動連結板、５５…バリ
アスプリングＡ、５６…バリアスプリングＢ、５
７…バリア駆動レバーＢ、５８…レンズバリア、
５９…バリアガイド、７０…フラツシユ、７１…
直流電源、８０…測光部、９０…メインスイツチ
、１０１…駆動側歯車、１０１ａ，１０２ａ…
肉盛り部、１０１ｂ，１０２ｂ…第１歯、１０１
ｃ，１０２ｃ…第２歯、１０２…被駆動側歯車
、１０２ｄ…切欠部。 1A to 1E are a plan view, a front view, a bottom view, a left side view, and a right side view of an electronic still camera having a variable magnification mechanism according to an embodiment of the present invention, respectively;
Fig. 1 f is an explanatory diagram showing the drive system provided in the still camera, Figs. 2 a to c are explanatory diagrams showing the states of the wide-angle lens, telephoto lens, and close-up lens, respectively, and Fig. 3 is an explanatory diagram showing the states of the wide-angle lens, telephoto lens, and close-up lens. Fig. 4a is a sectional view of the main part showing the lens switching drive mechanism, and Fig. 4b, d, f, h, j, and l are the respective lenses. Explanatory diagram showing the operation of the previous block, Figures 4c, e,
g, i, k, and m are explanatory diagrams showing the operation of the post-lens block, respectively. Figure 5a is a pattern diagram of the patterned substrate of the lens state detection means. Figure 5b is the signal generated by the patterned substrate and the section. 6A to 6D are explanatory diagrams showing the barrier opening/closing operation, respectively. FIGS. 6E to 6G are explanatory diagrams of the barrier opening and closing mechanism, and FIGS. 7A and 7B are front views of the partially toothed gear. 8a and 8b are explanatory diagrams of the finder switching operation in a wide-angle lens, and FIGS. 8c and d are explanatory diagrams of the finder switching operation in a telephoto lens, respectively. , FIGS. 8e and 8f are explanatory diagrams of the finder switching operation in a close-up lens, respectively, and FIGS.
i is an explanatory diagram of the mechanism that performs the finder switching operation, FIGS. 9a to d are explanatory diagrams each showing the operation of the switching prevention mechanism, FIG. 9e is a perspective view showing the installation state of the switching prevention spring, and FIG. 10 11a to 11c are explanatory diagrams showing the stray light prevention mechanism of the camera, respectively;
11b is a flowchart of the lens switching operation, and FIG. 11c is a flowchart of the barrier opening/closing operation. 1... Lens front block, 1a, 1b... Main optical system, 1k, 1l, 1m... Stray light prevention wall, 2... Lens rear block, 2c... Sub optical system, 2k, 2l... Stray light prevention wall, 3... Telephoto switch, 4 ...Close-up switch, 5...Release switch, 6...Camera microcomputer, 7...Motor, 8...Reduction gear, 9...Sun gear, 10...Planetary gear, 11...Lens switching gear A, 1
2... Lens state detection means, 13... Lens switching gear B, 14... Lens switching gear C, 15... Lens switching gear C', 16... Snap spring A, 17...
Snap spring B, 18...Switching prevention claw A, 1
9... Switching prevention spring A, 20... Switching prevention claw B
, 21...Switching prevention spring B, 22...Lens rotation axis, 23...Lens positioning A, 24...Lens positioning B, 25...Imaging element, 40...Finder part, 41...Wide-angle converter sub-optical system block, 42...Wide-angle converter gear, 43...Wide Angle Conspring, 44...
Wide angle control stopper, 45...Wedge lens block, 46...Wedge gear, 47...Wedge spring, 48...Wedge stopper, 51...Barrier drive gear, 52...Barrier state detection means, 53...Barrier drive lever, 54...Barrier drive connection plate, 55... Barrier spring A, 56...Barrier spring B, 5
7... Barrier drive lever B, 58... Lens barrier,
59...Barrier guide, 70...Flash, 71...
DC power supply, 80...Photometering section, 90...Main switch, 101...Drive side gear, 101a, 102a...
Filling part, 101b, 102b...first tooth, 101
c, 102c...Second tooth, 102...Driven side gear, 102d...Notch.

Claims

[Claims for Utility Model Registration] (1) Displayed by a combination of high signals and low signals of at least three types of states including one standard state, a first variable magnification state, and a second variable magnification state, and displayed in a matrix. A magnification mechanism of a camera that performs a switching operation between the standard state and the other two magnification states using the standard state as a reference when driving a switching drive device under control. 1
It sequentially switches to a variable magnification state and a second variable magnification state. In the standard state described above, a high signal and a low signal are output, and in the first and second variable magnification states, a combination of signals different from the standard state is output. In the output pattern in which the signals in both magnification states are outputted and the combinations of the signals in the two magnification states are different from each other, the above-mentioned first variable magnification pattern is provided on both sides of the output pattern for outputting the signal in the second scaling state. A variable magnification state mechanism for a camera, characterized in that a signal pattern is formed to output the same signal as a signal in a multiplied state. (2) The above switching state is the above standard state, the above first
2. The zooming mechanism for a camera according to claim 1, further comprising a zooming state and an intermediate switching state in addition to the zooming state and the second zooming state.