JPH0279472U - - Google Patents
Info
- Publication number
- JPH0279472U JPH0279472U JP16027988U JP16027988U JPH0279472U JP H0279472 U JPH0279472 U JP H0279472U JP 16027988 U JP16027988 U JP 16027988U JP 16027988 U JP16027988 U JP 16027988U JP H0279472 U JPH0279472 U JP H0279472U
- Authority
- JP
- Japan
- Prior art keywords
- wiring board
- inspection
- inspection device
- comparing
- levels
- 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
- 238000007689 inspection Methods 0.000 claims description 10
- 238000010586 diagram Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 1
Landscapes
- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
Description
第１図は本考案の一実施例である配線基板の検
査装置１の電気的構成を示すブロツク図、第２図
は検査装置１の簡略化した平面図、第３図は検査
装置１の電気的接続を示す電気回路図、第４図は
各接続端子４Ａ〜４Ｃの電圧レベルに対する各計
測点Ｓ１〜Ｓ１２における電圧レベル特性を示す
タイミングチヤートである。
１…配線基板の検査装置、２…定電圧回路、３
…検査用端子、４…電圧比較回路、４Ａ〜４Ｃ…
接続端子、５…ＮＧ用ブザー回路、６…ＯＫ用ブ
ザー回路、７…ＮＧ用ランプ、８…ＯＫ用ランプ
、９…ランプ駆動回路、１０…検査駆動スイツチ
、１１…リセツト回路、２１…ＮＧ用ブザー、２
３…ＯＫ用ブザー。
FIG. 1 is a block diagram showing the electrical configuration of a wiring board inspection device 1 which is an embodiment of the present invention, FIG. 2 is a simplified plan view of the inspection device 1, and FIG. 3 is an electrical diagram of the inspection device 1. FIG. 4 is a timing chart showing the voltage level characteristics at each measurement point S1 to S12 with respect to the voltage level of each connection terminal 4A to 4C. 1... Wiring board inspection device, 2... Constant voltage circuit, 3
...Test terminal, 4...Voltage comparison circuit, 4A to 4C...
Connection terminal, 5...Buzzer circuit for NG, 6...Buzzer circuit for OK, 7...Lamp for NG, 8...Lamp for OK, 9...Lamp drive circuit, 10...Test drive switch, 11...Reset circuit, 21...For NG Buzzer, 2
3...OK buzzer.
Claims (1)
の電気的導通状態を検査する検査装置において、 配線基板の検査箇所に接続され、前記検査箇所
の数より少ない種類の検査用端子が設けられ、各
検査用端子から入力される信号のレベルをそれぞ
れ比較する比較手段と、 前記検査用端子の少なくともいずれかの対のレ
ベル差が、予め定める基準レベル以内の場合に、
前記比較手段の出力に基づいて報知動作を行う報
知手段とを含むことを特徴とする配線基板の検査
装置。[Claims for Utility Model Registration] In an inspection device that inspects the state of electrical continuity between a plurality of predetermined inspection points on a wiring board, the inspection device is connected to the inspection points on the wiring board and is of a type smaller than the number of said inspection points. a comparison means for comparing the levels of the signals inputted from each of the test terminals; and a comparison means for comparing the levels of the signals inputted from each of the test terminals; ,
An inspection device for a wiring board, comprising: a notification device that performs a notification operation based on the output of the comparison device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16027988U JPH0279472U (en) | 1988-12-08 | 1988-12-08 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16027988U JPH0279472U (en) | 1988-12-08 | 1988-12-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0279472U true JPH0279472U (en) | 1990-06-19 |
Family
ID=31442209
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16027988U Pending JPH0279472U (en) | 1988-12-08 | 1988-12-08 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0279472U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6124672B2 (en) * | 1977-11-30 | 1986-06-12 | Citizen Watch Co Ltd |
-
1988
- 1988-12-08 JP JP16027988U patent/JPH0279472U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6124672B2 (en) * | 1977-11-30 | 1986-06-12 | Citizen Watch Co Ltd |
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