JPS5828938U - Anti-chattering device - Google Patents
Anti-chattering deviceInfo
- Publication number
- JPS5828938U JPS5828938U JP12335181U JP12335181U JPS5828938U JP S5828938 U JPS5828938 U JP S5828938U JP 12335181 U JP12335181 U JP 12335181U JP 12335181 U JP12335181 U JP 12335181U JP S5828938 U JPS5828938 U JP S5828938U
- Authority
- JP
- Japan
- Prior art keywords
- switch
- microprocessor
- key switch
- flag
- signal
- 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
Landscapes
- Keying Circuit Devices (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は従来のチャタリング防止装置の一例を示すブロ
ック結線図、第２図は第１図の装置のチ ・ヤタリング
波形図、第３図はこの考案の一実施例を示すブロック結
線図、第４図は第３図の装置のチャタリング波形図、第
５図はマイクロプロセラ −サのチャタリング防止の
フローチャートである。
図において１及び２はスイッチ、５はデータ入力ゲート
、６はマイクロプロセッサである。なお各図中同一符号
は同−又は相当部分を示すものとする。Fig. 1 is a block wiring diagram showing an example of a conventional chattering prevention device, Fig. 2 is a chattering waveform diagram of the device shown in Fig. 1, and Fig. 3 is a block wiring diagram showing an embodiment of this invention. FIG. 4 is a chattering waveform diagram of the device shown in FIG. 3, and FIG. 5 is a flowchart for preventing chattering of the microprocessor. In the figure, 1 and 2 are switches, 5 is a data input gate, and 6 is a microprocessor. Note that the same reference numerals in each figure indicate the same or corresponding parts.
Claims (1)
ッチの「入」「切」に伴うチャタリング防止装置におい
て、上記キースイッチのオンオフ信号をを上記マイクロ
プロセッサに入力するデータ入力ゲート回路、このデー
タ入力ゲート回路からの信号が上記キースイッチが「入
」である時にはスイッチオンフラグをセットする手段、
このスイッチオンフラグがセットされた後足められた時
間後に上記マイクロプロセッサから動作開始の指令を出
す手段、上記データ入力ゲート回路からの信号が上記キ
ースイッチが「切」である時には定められた時間後にス
イッチオンフラグをリセットする手段を備えたことを特
徴とするチャタリング防止装置。A data input gate circuit that inputs the on/off signal of the key switch to the microprocessor in a chattering prevention device that accompanies the turning on and off of a key switch of an electronic control device with a built-in microprocessor; means for setting a switch-on flag when the signal indicates that the key switch is "on";
Means for issuing a command to start operation from the microprocessor after a predetermined time after this switch-on flag is set, and a signal from the data input gate circuit for a predetermined time when the key switch is "off" A chattering prevention device characterized by comprising means for later resetting a switch-on flag.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12335181U JPS5828938U (en) | 1981-08-20 | 1981-08-20 | Anti-chattering device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12335181U JPS5828938U (en) | 1981-08-20 | 1981-08-20 | Anti-chattering device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5828938U true JPS5828938U (en) | 1983-02-24 |
Family
ID=29917254
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12335181U Pending JPS5828938U (en) | 1981-08-20 | 1981-08-20 | Anti-chattering device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5828938U (en) |
-
1981
- 1981-08-20 JP JP12335181U patent/JPS5828938U/en active Pending
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