CN1202418C - A/f传感器的电流检测电路 - Google Patents

A/f传感器的电流检测电路 Download PDF

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Publication number
CN1202418C
CN1202418C CNB031045502A CN03104550A CN1202418C CN 1202418 C CN1202418 C CN 1202418C CN B031045502 A CNB031045502 A CN B031045502A CN 03104550 A CN03104550 A CN 03104550A CN 1202418 C CN1202418 C CN 1202418C
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CN
China
Prior art keywords
sensor
voltage
current detection
detection circuit
air
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.)
Expired - Fee Related
Application number
CNB031045502A
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English (en)
Chinese (zh)
Other versions
CN1439875A (zh
Inventor
福田照久
森口広
服部一孝
池田慎治
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Denso Ten Ltd
Toyota Motor Corp
Original Assignee
Denso Ten Ltd
Toyota Motor Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Denso Ten Ltd, Toyota Motor Corp filed Critical Denso Ten Ltd
Publication of CN1439875A publication Critical patent/CN1439875A/zh
Application granted granted Critical
Publication of CN1202418C publication Critical patent/CN1202418C/zh
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R19/00Arrangements for measuring currents or voltages or for indicating presence or sign thereof
    • G01R19/0092Arrangements for measuring currents or voltages or for indicating presence or sign thereof measuring current only
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R29/00Arrangements for measuring or indicating electric quantities not covered by groups G01R19/00 - G01R27/00

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Resistance Or Impedance (AREA)
  • Measurement Of Current Or Voltage (AREA)
  • Combined Controls Of Internal Combustion Engines (AREA)
CNB031045502A 2002-02-18 2003-02-18 A/f传感器的电流检测电路 Expired - Fee Related CN1202418C (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2002040127A JP3992509B2 (ja) 2002-02-18 2002-02-18 A/fセンサの電流検出回路
JP040127/2002 2002-02-18

Related Child Applications (1)

Application Number Title Priority Date Filing Date
CNB2005100534245A Division CN100339705C (zh) 2002-02-18 2003-02-18 A/f传感器的电流检测电路

Publications (2)

Publication Number Publication Date
CN1439875A CN1439875A (zh) 2003-09-03
CN1202418C true CN1202418C (zh) 2005-05-18

Family

ID=27678289

Family Applications (2)

Application Number Title Priority Date Filing Date
CNB031045502A Expired - Fee Related CN1202418C (zh) 2002-02-18 2003-02-18 A/f传感器的电流检测电路
CNB2005100534245A Expired - Fee Related CN100339705C (zh) 2002-02-18 2003-02-18 A/f传感器的电流检测电路

Family Applications After (1)

Application Number Title Priority Date Filing Date
CNB2005100534245A Expired - Fee Related CN100339705C (zh) 2002-02-18 2003-02-18 A/f传感器的电流检测电路

Country Status (5)

Country Link
US (1) US6844734B2 (enExample)
JP (1) JP3992509B2 (enExample)
KR (1) KR100516796B1 (enExample)
CN (2) CN1202418C (enExample)
DE (1) DE10306481B4 (enExample)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014118896A1 (ja) * 2013-01-29 2014-08-07 トヨタ自動車株式会社 内燃機関の制御装置
JP2017020963A (ja) 2015-07-14 2017-01-26 日置電機株式会社 加算平均ユニットおよび測定装置
CN110873592B (zh) * 2018-08-31 2021-08-27 佛山市顺德区美的电热电器制造有限公司 检测电路、流量传感器和家用电器
CN113257368B (zh) * 2021-04-08 2022-09-09 西安电子科技大学 一种燃气当量比预测方法、系统及处理终端

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0961397A (ja) * 1995-08-30 1997-03-07 Denso Corp 空燃比検出装置
DE19636226B4 (de) 1996-09-06 2005-06-02 Robert Bosch Gmbh Lambdasondeninnenwiderstandsbestimmung
JP3487159B2 (ja) * 1997-05-21 2004-01-13 株式会社デンソー ガス濃度検出装置及びその製造方法
US6082177A (en) * 1997-09-22 2000-07-04 Snap-On Tools Company Nitric oxide enhanced response circuit for gas analyzer
JP2000046791A (ja) 1998-05-29 2000-02-18 Denso Corp ガス濃度検出装置
JP3633371B2 (ja) 1999-05-21 2005-03-30 株式会社デンソー 空燃比検出装置
JP3843880B2 (ja) * 2001-05-31 2006-11-08 株式会社デンソー ガス濃度センサのヒータ制御装置

Also Published As

Publication number Publication date
US6844734B2 (en) 2005-01-18
CN1651923A (zh) 2005-08-10
JP2003240752A (ja) 2003-08-27
DE10306481B4 (de) 2006-11-09
CN1439875A (zh) 2003-09-03
JP3992509B2 (ja) 2007-10-17
KR100516796B1 (ko) 2005-09-26
KR20030069104A (ko) 2003-08-25
DE10306481A1 (de) 2003-10-02
CN100339705C (zh) 2007-09-26
US20030155931A1 (en) 2003-08-21

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SE01 Entry into force of request for substantive examination
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C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20050518

Termination date: 20110218