JPH0436331U - - Google Patents
Info
- Publication number
- JPH0436331U JPH0436331U JP7748490U JP7748490U JPH0436331U JP H0436331 U JPH0436331 U JP H0436331U JP 7748490 U JP7748490 U JP 7748490U JP 7748490 U JP7748490 U JP 7748490U JP H0436331 U JPH0436331 U JP H0436331U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- monostable multivibrator
- time constant
- multivibrator circuit
- 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 4
- 239000003990 capacitor Substances 0.000 claims description 3
- 230000002265 prevention Effects 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Manipulation Of Pulses (AREA)
Description
第１図はこの考案に係るチヤタリング防止回路
の実施例を示す回路図である。第２図は従来例の
チヤタリング防止回路の回路図である。
主な符号の説明、１……単安定マルチバイブレ
ータ、Ｄ０……ダイオード、Ｒ１，Ｒ２……抵抗
、Ｃ１……コンデンサ、ＳＷ１……スイツチ。
FIG. 1 is a circuit diagram showing an embodiment of the chattering prevention circuit according to this invention. FIG. 2 is a circuit diagram of a conventional chattering prevention circuit. Explanation of main symbols: 1...monostable multivibrator, D0 ...diode, R1 , R2 ...resistor, C1 ...capacitor, SW1 ...switch.
Claims (1)
備え、一定のレベル変化を入力信号として前記時
定数で決められる時間の間だけ信号を出力する単
安定マルチバイブレータ回路において、 前記時定数を決めるコンデンサの一端と、単安
定マルチバイブレータ回路を起動する入力端子と
の間にダイオードを介して接続する回路を設け、
前記単安定マルチバイブレータ回路の入力端子に
加える入力信号のレベル変化時に生じるチヤタリ
ングの影響を、単安定マルチバイブレータ回路の
出力信号に与えないように構成したことを特徴と
するチヤタリング防止回路。[Claims for Utility Model Registration] In a monostable multivibrator circuit that is externally equipped with a capacitor that determines a time constant and a resistor, and outputs a signal only during the time determined by the time constant using a constant level change as an input signal. , providing a circuit connected via a diode between one end of the capacitor that determines the time constant and an input terminal that starts the monostable multivibrator circuit;
A chattering prevention circuit characterized in that the circuit is configured so that the output signal of the monostable multivibrator circuit is not influenced by chattering that occurs when the level of an input signal applied to the input terminal of the monostable multivibrator circuit changes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7748490U JPH0436331U (en) | 1990-07-23 | 1990-07-23 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7748490U JPH0436331U (en) | 1990-07-23 | 1990-07-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0436331U true JPH0436331U (en) | 1992-03-26 |
Family
ID=31619917
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7748490U Pending JPH0436331U (en) | 1990-07-23 | 1990-07-23 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0436331U (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5242045B2 (en) * | 1972-07-20 | 1977-10-21 | ||
| JPS5477557A (en) * | 1978-11-15 | 1979-06-21 | Toshiba Corp | Monostable multivibrator circuit |
-
1990
- 1990-07-23 JP JP7748490U patent/JPH0436331U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5242045B2 (en) * | 1972-07-20 | 1977-10-21 | ||
| JPS5477557A (en) * | 1978-11-15 | 1979-06-21 | Toshiba Corp | Monostable multivibrator circuit |