JPH02100343U - - Google Patents
Info
- Publication number
- JPH02100343U JPH02100343U JP886689U JP886689U JPH02100343U JP H02100343 U JPH02100343 U JP H02100343U JP 886689 U JP886689 U JP 886689U JP 886689 U JP886689 U JP 886689U JP H02100343 U JPH02100343 U JP H02100343U
- Authority
- JP
- Japan
- Prior art keywords
- power supply
- mechanical contact
- electronic circuit
- control
- capacitor
- 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
- 244000145845 chattering Species 0.000 claims description 5
- 230000002265 prevention Effects 0.000 claims description 4
- 239000003990 capacitor Substances 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 6
Landscapes
- Keying Circuit Devices (AREA)
- Manipulation Of Pulses (AREA)
Description
第１図は本考案のチヤタリング防止回路図であ
り、第２図Ａと第２図Ｂは従来のチヤタリング防
止回路図であり、第３図は本考案のタイミング図
であり、第４図Ａと第４図Ｂは従来回路のタイミ
ング図であり、第５図は機械的接点のチヤタリン
グタイミング図である。
１０……電源、１１……機械的スイツチ、１２
……キヤパシタ、１３……プルダウン抵抗、１４
……ＩＣ。
Figure 1 is a chattering prevention circuit diagram of the present invention, Figures 2A and 2B are conventional chattering prevention circuit diagrams, Figure 3 is a timing diagram of the present invention, and Figures 4A and 2B are conventional chattering prevention circuit diagrams. FIG. 4B is a timing diagram of a conventional circuit, and FIG. 5 is a chattering timing diagram of mechanical contacts. 10...Power supply, 11...Mechanical switch, 12
...Capacitor, 13...Pull-down resistor, 14
...IC.
Claims (1)
電子回路において、 該電子回路の動作を制御するための制御信号を
発生する機械的接点を有し、該機械的接点の一端
に接続される抵抗を介して電源のＶＤＤとＧＮＤ
に接続し、前記機械的接点の両端にキヤパシタを
接続したことを特徴とするチヤタリング防止回路
。[Claims for Utility Model Registration] An electronic circuit that operates by applying a predetermined power supply voltage, which has a mechanical contact that generates a control signal to control the operation of the electronic circuit; Power supply VDD and GND via a resistor connected to one end.
What is claimed is: 1. A chattering prevention circuit characterized in that a capacitor is connected to both ends of the mechanical contact.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP886689U JPH02100343U (en) | 1989-01-27 | 1989-01-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP886689U JPH02100343U (en) | 1989-01-27 | 1989-01-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02100343U true JPH02100343U (en) | 1990-08-09 |
Family
ID=31215105
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP886689U Pending JPH02100343U (en) | 1989-01-27 | 1989-01-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02100343U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014531122A (en) * | 2011-10-20 | 2014-11-20 | フィッシャーコントロールズ インターナショナル リミテッド ライアビリティー カンパニー | Multi-touch switch |
-
1989
- 1989-01-27 JP JP886689U patent/JPH02100343U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014531122A (en) * | 2011-10-20 | 2014-11-20 | フィッシャーコントロールズ インターナショナル リミテッド ライアビリティー カンパニー | Multi-touch switch |
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