JPH0136567B2 - - Google Patents

Info

Publication number
JPH0136567B2
JPH0136567B2 JP56109382A JP10938281A JPH0136567B2 JP H0136567 B2 JPH0136567 B2 JP H0136567B2 JP 56109382 A JP56109382 A JP 56109382A JP 10938281 A JP10938281 A JP 10938281A JP H0136567 B2 JPH0136567 B2 JP H0136567B2
Authority
JP
Japan
Prior art keywords
circuit
output
signal
voltage
transistor
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
Application number
JP56109382A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5811824A (ja
Inventor
Noboru Sugiura
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.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP10938281A priority Critical patent/JPS5811824A/ja
Publication of JPS5811824A publication Critical patent/JPS5811824A/ja
Publication of JPH0136567B2 publication Critical patent/JPH0136567B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L23/00—Devices or apparatus for measuring or indicating or recording rapid changes, such as oscillations, in the pressure of steam, gas, or liquid; Indicators for determining work or energy of steam, internal-combustion, or other fluid-pressure engines from the condition of the working fluid
    • G01L23/22—Devices or apparatus for measuring or indicating or recording rapid changes, such as oscillations, in the pressure of steam, gas, or liquid; Indicators for determining work or energy of steam, internal-combustion, or other fluid-pressure engines from the condition of the working fluid for detecting or indicating knocks in internal-combustion engines; Units comprising pressure-sensitive members combined with ignitors for firing internal-combustion engines
    • G01L23/221—Devices or apparatus for measuring or indicating or recording rapid changes, such as oscillations, in the pressure of steam, gas, or liquid; Indicators for determining work or energy of steam, internal-combustion, or other fluid-pressure engines from the condition of the working fluid for detecting or indicating knocks in internal-combustion engines; Units comprising pressure-sensitive members combined with ignitors for firing internal-combustion engines for detecting or indicating knocks in internal combustion engines
    • G01L23/225—Devices or apparatus for measuring or indicating or recording rapid changes, such as oscillations, in the pressure of steam, gas, or liquid; Indicators for determining work or energy of steam, internal-combustion, or other fluid-pressure engines from the condition of the working fluid for detecting or indicating knocks in internal-combustion engines; Units comprising pressure-sensitive members combined with ignitors for firing internal-combustion engines for detecting or indicating knocks in internal combustion engines circuit arrangements therefor

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Testing Of Engines (AREA)
  • Electrical Control Of Ignition Timing (AREA)
  • Measuring Fluid Pressure (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
JP10938281A 1981-07-15 1981-07-15 圧電型ノツクセンサのシヨ−ト検出回路 Granted JPS5811824A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10938281A JPS5811824A (ja) 1981-07-15 1981-07-15 圧電型ノツクセンサのシヨ−ト検出回路

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10938281A JPS5811824A (ja) 1981-07-15 1981-07-15 圧電型ノツクセンサのシヨ−ト検出回路

Publications (2)

Publication Number Publication Date
JPS5811824A JPS5811824A (ja) 1983-01-22
JPH0136567B2 true JPH0136567B2 (enrdf_load_stackoverflow) 1989-08-01

Family

ID=14508816

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10938281A Granted JPS5811824A (ja) 1981-07-15 1981-07-15 圧電型ノツクセンサのシヨ−ト検出回路

Country Status (1)

Country Link
JP (1) JPS5811824A (enrdf_load_stackoverflow)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59141751A (ja) * 1983-02-03 1984-08-14 Nippon Soken Inc 内燃機関用圧力検出器の異常検出装置
DE60031092D1 (de) * 2000-04-01 2006-11-16 Bosch Gmbh Robert Kraftstoffeinspritzsystem
JP2002062211A (ja) * 2000-06-09 2002-02-28 Denso Corp 圧電式センサの信号処理装置
US8629682B2 (en) 2007-04-06 2014-01-14 Freescale Semiconductor, Inc. Relating to diagnostics of a capacitive sensor
FI120803B (fi) * 2007-05-21 2010-03-15 Waertsilae Finland Oy Ilmaisinjärjestely
JP6088397B2 (ja) 2013-10-15 2017-03-01 日本特殊陶業株式会社 点火時期制御装置および点火時期制御システム
FR3026842B1 (fr) 2014-10-01 2016-12-09 Continental Automotive France Procede de detection d'un defaut de cablage d'un capteur capacitif

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5284781A (en) * 1975-12-31 1977-07-14 Fujitsu Ltd Fault detector for sensing system using piezoelectric sensors
JPS54141926A (en) * 1978-04-26 1979-11-05 Toyota Motor Corp Method and device for compensating abnormal operation of temperature sensor
JPS54155322A (en) * 1978-05-26 1979-12-07 Toyota Motor Corp Ignition time controller for engine
JPS5612832U (enrdf_load_stackoverflow) * 1979-07-09 1981-02-03
DE2942250A1 (de) * 1979-10-19 1981-05-07 Robert Bosch Gmbh, 7000 Stuttgart Vorrichtung zur erfassung der beim klopfen einer brennkraftmaschine auftretenden schwingungen

Also Published As

Publication number Publication date
JPS5811824A (ja) 1983-01-22

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