JPH032252U

JPH032252U -

Info

Publication number: JPH032252U
Application number: JP6362389U
Authority: JP
Priority date: 1989-05-30
Filing date: 1989-05-30
Publication date: 1991-01-10

Description

[Brief explanation of drawings]

図は本考案の実施例を示すもので、第１図は１
実施例装置の概略を示すブロツク図、第２図は第
１図の実施例に使用するエレクトロクロミツク表
示素子の縦断面図、第３図は第１図の装置に使用
される３ステートゲートについての構成例の回路
図、第４図は本考案のエレクトロクロミツク及び
ツエナダイオードの配列の説明図、第５図は第４
図の配列の回路図、第６図第１図とは異なる操作
部を採用した装置の例の一部を示すブロツク図で
ある。１……エレクトロクロミツクデイスプレイ装置
、１０……表示部、２０……制御部、１１，１２
……電極、１４……導体、Ｅ，Ｅ１，１，Ｅ１，
２，Ｅ２，１，Ｅ２，２……エレクトロクロミツ
ク表示素子、Ｔ……ツエナダイオード、Ｄ１，Ｄ
２，Ｕ１，Ｕ２……導体、４０……マイクロプロ
セツサ、５０……ガス検出器、６０……操作盤、
６１……位置指定装置、６２，６３……パルス発
生器、６４……アドレス演算器。 The figure shows an embodiment of the present invention.
A block diagram showing an outline of the device of the embodiment, FIG. 2 is a vertical sectional view of the electrochromic display element used in the embodiment of FIG. 1, and FIG. 3 is a diagram of the three-state gate used in the device of FIG. 1. 4 is an explanatory diagram of the arrangement of electrochromic and Zener diodes of the present invention, and FIG.
FIG. 6 is a circuit diagram of the arrangement shown in FIG. 6; FIG. 1... Electrochromic display device, 10... Display section, 20... Control section, 11, 12
... Electrode, 14 ... Conductor, E, E1, 1, E1,
2, E2, 1, E2, 2... Electrochromic display element, T... Zener diode, D1, D
2, U1, U2... conductor, 40... microprocessor, 50... gas detector, 60... operation panel,
61...Position specifying device, 62, 63...Pulse generator, 64...Address calculator.

Claims

[Claims for Utility Model Registration] A gas detector and an electrochromic display element that performs coloring and decolorization by applying positive and negative voltages between the upper and lower electrode plates are arranged in a grid pattern in rows and columns. The upper electrode of each electrochromic display element is electrically connected in series for each row or column in one of the rows and columns in the matrix, and the lower electrode of each electrochromic display element is electrically connected in series in one of the rows and columns in the matrix. an electrochromic display device electrically connected in series for each row or column in the other of the rows and columns; an operating unit for specifying the row and column of a specific point in the matrix arrangement; and a drive section for applying a voltage corresponding to the detection signal from the gas detector between the connection lines in rows and columns designated by the section, and the electrochromic display device includes A gas leak detection device in a gas piping area, characterized in that a Zener diode is connected between each of the electrochromic display elements. The gas leak detection device in a gas piping area according to claim 1, wherein the operation unit is an operation panel for manually specifying a row and a column of a specific point in the matrix arrangement. The gas piping area according to claim 1, wherein the operation unit is a position specifying device that specifies the row and column of a specific point in the matrix arrangement using a position signal issued as a measuring device moves in the gas piping area. Gas leak detection device.