JPS6430450U - - Google Patents
Info
- Publication number
- JPS6430450U JPS6430450U JP12500487U JP12500487U JPS6430450U JP S6430450 U JPS6430450 U JP S6430450U JP 12500487 U JP12500487 U JP 12500487U JP 12500487 U JP12500487 U JP 12500487U JP S6430450 U JPS6430450 U JP S6430450U
- Authority
- JP
- Japan
- Prior art keywords
- capacitor
- relay
- measured
- discharge
- brings
- 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.)
- Granted
Links
- 238000001514 detection method Methods 0.000 claims description 4
- 238000005259 measurement Methods 0.000 claims description 4
- 239000003990 capacitor Substances 0.000 claims 5
- 238000007689 inspection Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Measurement Of Resistance Or Impedance (AREA)
Description
第１図は本考案の一実施例を示す構成説明図、
第２図は本考案に係る放電完了検出回路の一例を
示す回路図、第３図は本考案に係る放電完了検出
回路のリレー部を示す回路図である。
１……測定信号源、２……測定回路、３……放
電完了検出回路、Ｋ１……第１のリレー、Ｋ２…
…第２のリレー、Ｒ……放電用抵抗。
FIG. 1 is a configuration explanatory diagram showing an embodiment of the present invention;
FIG. 2 is a circuit diagram showing an example of a discharge completion detection circuit according to the present invention, and FIG. 3 is a circuit diagram showing a relay section of the discharge completion detection circuit according to the present invention. DESCRIPTION OF SYMBOLS 1... Measurement signal source, 2... Measurement circuit, 3... Discharge completion detection circuit, K1... First relay, K2...
...Second relay, R...Resistance for discharge.
Claims (1)
ように設けられた第１のリレー及び放電用抵抗よ
りなる放電回路と、前記被測定コンデンサに第２
のリレーを介して接続されるように設けられた静
電容量を測定する測定回路及び測定信号源と、前
記被測定コンデンサに接続されるように設けられ
該被測定コンデンサに電荷が溜つている状態では
前記第１のリレーを導通状態にし、該被測定コン
デンサに電荷が溜つていない状態では前記第２の
リレーを導通状態にする放電完了検出回路とを具
備することを特徴とする印刷配線基板検査装置。 A discharge circuit including a first relay and a discharge resistor provided to be connected to the capacitor under test on the printed wiring board, and a second discharge circuit connected to the capacitor under test.
a measurement circuit and a measurement signal source for measuring capacitance, which are connected to each other via a relay, and a state in which an electric charge is accumulated in the capacitor to be measured, which is connected to the capacitor to be measured; The printed wiring board is characterized by comprising a discharge completion detection circuit that brings the first relay into a conductive state and brings the second relay into a conductive state when no charge is accumulated in the capacitor to be measured. Inspection equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12500487U JPH076537Y2 (en) | 1987-08-17 | 1987-08-17 | Printed wiring board inspection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12500487U JPH076537Y2 (en) | 1987-08-17 | 1987-08-17 | Printed wiring board inspection device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6430450U true JPS6430450U (en) | 1989-02-23 |
| JPH076537Y2 JPH076537Y2 (en) | 1995-02-15 |
Family
ID=31375224
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12500487U Expired - Lifetime JPH076537Y2 (en) | 1987-08-17 | 1987-08-17 | Printed wiring board inspection device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH076537Y2 (en) |
-
1987
- 1987-08-17 JP JP12500487U patent/JPH076537Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH076537Y2 (en) | 1995-02-15 |
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