JPH032395U - - Google Patents
Info
- Publication number
- JPH032395U JPH032395U JP6198889U JP6198889U JPH032395U JP H032395 U JPH032395 U JP H032395U JP 6198889 U JP6198889 U JP 6198889U JP 6198889 U JP6198889 U JP 6198889U JP H032395 U JPH032395 U JP H032395U
- Authority
- JP
- Japan
- Prior art keywords
- signal line
- matrix wiring
- circuit
- analog
- voltage generation
- 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.)
- Pending
Links
- 239000011159 matrix material Substances 0.000 claims description 5
- 238000007689 inspection Methods 0.000 claims description 4
- 238000006243 chemical reaction Methods 0.000 claims 3
- 238000010586 diagram Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 2
Landscapes
- Liquid Crystal Display Device Control (AREA)
Description
第１図は本考案に係るマトリクス配線パネルの
検査装置の一実施例を示す構成図、第２図及び第
３図は従来の検査の仕方を説明するための説明図
、第４図は第２図のパネルの一部分の等価回路図
、第５図及び第６図は従来の短絡検査の仕方を説
明するための説明図、第７図は第５図のパネルの
一部分の等価回路図、第８図は第１図の一部分の
等価回路図、第９図ａ乃至ｃは第１図の入力パル
ス波形及び出力信号波形を示す波形図、第１０図
は本考案に係る他の実施例の説明図である。
７……パルス電圧発生回路、８……アナログデ
ジタル変換器、９……判定装置、１０及び１１…
…スイツチ回路、ＧＳ１〜ＧＳ４００……スイツ
チ回路、ＤＳ１〜ＤＳ６４０……スイツチ、１２
及び１３……フレキシブル配線基板。
FIG. 1 is a configuration diagram showing an embodiment of the matrix wiring panel inspection device according to the present invention, FIGS. 2 and 3 are explanatory diagrams for explaining the conventional inspection method, and FIG. 5 and 6 are explanatory diagrams for explaining the conventional short-circuit inspection method. FIG. 7 is an equivalent circuit diagram of a portion of the panel in FIG. 5. The figure is an equivalent circuit diagram of a part of FIG. 1, FIGS. 9a to 9c are waveform diagrams showing the input pulse waveform and output signal waveform of FIG. 1, and FIG. 10 is an explanatory diagram of another embodiment according to the present invention. It is. 7... Pulse voltage generation circuit, 8... Analog-to-digital converter, 9... Judgment device, 10 and 11...
...Switch circuit, GS1 to GS400...Switch circuit, DS1 to DS640...Switch, 12
and 13...flexible wiring board.
Claims (1)
ルスを発生するパルス電圧発生回路と、 上記パルス電圧発生回路からのパルスを、マト
リクス配線パネルのいずれかの信号線に選択的に
印加する第一スイツチ回路と、 上記選択された信号線にパルスが印加されたと
きに、上記信号線に交差する他の信号線に発生す
る信号をデジタル信号に変換するアナログデジタ
ル変換回路と、 上記アナログデジタル変換回路に接続される上
記他の信号線を選択する第二のスイツチ回路と、 上記アナログデジタル変換回路の出力を所定の
数値と比較し、この比較結果に基づいて上記マト
リクス配線の状態を判定する判定手段とを有する
ことを特徴とするマトリクス配線パネルの検査装
置。[Claims for Utility Model Registration] A pulse voltage generation circuit that generates pulses applied to signal lines of a matrix wiring panel; and a pulse voltage generation circuit that selectively applies pulses from the pulse voltage generation circuit to any signal line of the matrix wiring panel. an analog-to-digital conversion circuit that converts a signal generated on another signal line that intersects the signal line into a digital signal when a pulse is applied to the selected signal line; a second switch circuit that selects the other signal line connected to the analog-to-digital conversion circuit; and a second switch circuit that compares the output of the analog-to-digital conversion circuit with a predetermined value, and based on the comparison result, the state of the matrix wiring. 1. A matrix wiring panel inspection device, comprising: determination means for determining.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6198889U JPH032395U (en) | 1989-05-29 | 1989-05-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6198889U JPH032395U (en) | 1989-05-29 | 1989-05-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH032395U true JPH032395U (en) | 1991-01-10 |
Family
ID=31590731
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6198889U Pending JPH032395U (en) | 1989-05-29 | 1989-05-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH032395U (en) |
-
1989
- 1989-05-29 JP JP6198889U patent/JPH032395U/ja active Pending
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