JP2005160166A - スイッチ監視回路 - Google Patents
スイッチ監視回路 Download PDFInfo
- Publication number
- JP2005160166A JP2005160166A JP2003392770A JP2003392770A JP2005160166A JP 2005160166 A JP2005160166 A JP 2005160166A JP 2003392770 A JP2003392770 A JP 2003392770A JP 2003392770 A JP2003392770 A JP 2003392770A JP 2005160166 A JP2005160166 A JP 2005160166A
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- JP
- Japan
- Prior art keywords
- switch
- capacitor
- voltage
- monitoring circuit
- microcomputer
- 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.)
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Abstract
【解決手段】 スイッチ監視回路1は、操作に応答して開閉するスイッチ10と、スイッチ10の両端に接続されたコンデンサ12と、指令に応答してスイッチ10に電圧を印加する電圧印加手段20と、スイッチ10の電圧を検出する電圧検出手段24と、スイッチ10とコンデンサ12に接続されてコンデンサ12に蓄積された電荷の放電を阻止するダイオード26とを備えた構成とする。
【選択図】 図1
Description
10 スイッチ
12 コンデンサ
14 トランジスタ
16 トランジスタ
18 バッテリー
20 電圧印加手段
22 マイコン
24 入力ライン
26 ダイオード
30 プルダウン抵抗
Claims (1)
- 操作に応答して開閉するスイッチと、該スイッチの両端に接続されたコンデンサと、指令に応答して前記スイッチに電圧を印加する電圧印加手段と、前記スイッチの電圧を検出する電圧検出手段と、前記スイッチと前記コンデンサに接続されて前記コンデンサに蓄積された電荷の放電を阻止するダイオードとを備えてなるスイッチ監視回路。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003392770A JP4126496B2 (ja) | 2003-11-21 | 2003-11-21 | スイッチ監視回路 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003392770A JP4126496B2 (ja) | 2003-11-21 | 2003-11-21 | スイッチ監視回路 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2005160166A true JP2005160166A (ja) | 2005-06-16 |
JP4126496B2 JP4126496B2 (ja) | 2008-07-30 |
Family
ID=34719362
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2003392770A Expired - Fee Related JP4126496B2 (ja) | 2003-11-21 | 2003-11-21 | スイッチ監視回路 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP4126496B2 (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8987945B2 (en) | 2010-09-24 | 2015-03-24 | Denso Corporation | Switch supervision device, control system and control method |
EP3098826A1 (en) | 2015-05-29 | 2016-11-30 | Alps Electric Co., Ltd. | Switch monitoring circuit |
-
2003
- 2003-11-21 JP JP2003392770A patent/JP4126496B2/ja not_active Expired - Fee Related
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8987945B2 (en) | 2010-09-24 | 2015-03-24 | Denso Corporation | Switch supervision device, control system and control method |
EP3098826A1 (en) | 2015-05-29 | 2016-11-30 | Alps Electric Co., Ltd. | Switch monitoring circuit |
KR20160140435A (ko) | 2015-05-29 | 2016-12-07 | 알프스 덴키 가부시키가이샤 | 스위치 감시 회로 |
US9783139B2 (en) | 2015-05-29 | 2017-10-10 | Alps Electric Co., Ltd. | Switch monitoring circuit |
Also Published As
Publication number | Publication date |
---|---|
JP4126496B2 (ja) | 2008-07-30 |
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