JPS63120239U

JPS63120239U -

Info

Publication number: JPS63120239U
Application number: JP1200487U
Authority: JP
Priority date: 1987-01-28
Filing date: 1987-01-28
Publication date: 1988-08-03

Description

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

第１図及び第２図は本考案の一実施例を示す正
面図及び側面図である。第３図乃至第５図は、夫
々、本考案の絞り機構がスイツチのオン・オフに
より制御されて透光部分が変化して行く状態を段
階的に示す正面図である。第６図は本考案の絞り
機構をＶＴＲ用カメラに応用した例を示す断面図
、第７図は本考案の絞り機構を写真機に応用した
例を示す断面図、第８図は本考案の絞り機構を光
学センサに応用した例を示す断面図、第９図は本
考案の絞り機構を光量メータに応用した例を示す
断面図である。第１０図及び第１１図は、夫々、
従来の機械式の絞り機構を、２つの異なる開口状
態について示した正面図である。５…絞り機構、６…絞り板、８…液晶、９…共
通電極、１０…選択電極、１１…スイツチ、１２
…制御回路、１３，１４…給電リード。 1 and 2 are a front view and a side view showing an embodiment of the present invention. FIGS. 3 to 5 are front views showing step-by-step states in which the diaphragm mechanism of the present invention is controlled by turning on and off switches to change the light-transmitting portion. Fig. 6 is a sectional view showing an example in which the aperture mechanism of the invention is applied to a VTR camera, Fig. 7 is a sectional view showing an example in which the aperture mechanism of the invention is applied to a camera, and Fig. 8 is a sectional view showing an example in which the aperture mechanism of the invention is applied to a camera for a VTR. FIG. 9 is a cross-sectional view showing an example in which the aperture mechanism is applied to an optical sensor. FIG. 9 is a cross-sectional view showing an example in which the aperture mechanism of the present invention is applied to a light meter. Figures 10 and 11 are, respectively,
FIG. 3 is a front view showing a conventional mechanical diaphragm mechanism in two different opening states. 5... Aperture mechanism, 6... Aperture plate, 8... Liquid crystal, 9... Common electrode, 10... Selection electrode, 11... Switch, 12
...Control circuit, 13, 14...Power supply lead.

補正昭６２．３．１２図面の簡単な説明を次のように補正する。明細書中第９頁第１５行「６…絞り板、」を「
６…液品装置、」と補正する。Amendment March 12, 1982 The brief description of the drawings is amended as follows. In the specification, page 9, line 15, “6...aperture plate,” is replaced with “
6...Liquid product equipment,'' is corrected.

Claims

【実用新案登録請求の範囲】一方の面に透明共通電極を設けた第１の透明基
板と、一方の面に複数の透明選択電極を設けた第
２の透明基板とを各電極面に対向させ、対向空間
に液晶を充填封止した液晶装置と、光量に基いて選択電極数を設定し、選択された
選択電極と共通電極間に制御電圧を供給する制御
回路とを設けたことを特徴とする絞り機構。[Claims for Utility Model Registration] A first transparent substrate provided with a transparent common electrode on one surface, and a second transparent substrate provided with a plurality of transparent selection electrodes on one surface, facing each electrode surface. , a liquid crystal device in which a facing space is filled and sealed with liquid crystal, and a control circuit that sets the number of selected electrodes based on the amount of light and supplies a control voltage between the selected selected electrodes and a common electrode. Aperture mechanism.