JPS5724452A - Knocking detection and processing device - Google Patents

Knocking detection and processing device

Info

Publication number
JPS5724452A
JPS5724452A JP9903580A JP9903580A JPS5724452A JP S5724452 A JPS5724452 A JP S5724452A JP 9903580 A JP9903580 A JP 9903580A JP 9903580 A JP9903580 A JP 9903580A JP S5724452 A JPS5724452 A JP S5724452A
Authority
JP
Japan
Prior art keywords
signal
knocking
generation
generates
ignition
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
Application number
JP9903580A
Other languages
Japanese (ja)
Inventor
Takayuki Hosobuchi
Shuichi Toki
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 Unisia Automotive Ltd
Original Assignee
Japan Electronic Control Systems Co 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 Japan Electronic Control Systems Co Ltd filed Critical Japan Electronic Control Systems Co Ltd
Priority to JP9903580A priority Critical patent/JPS5724452A/en
Publication of JPS5724452A publication Critical patent/JPS5724452A/en
Pending legal-status Critical Current

Links

Landscapes

  • Electrical Control Of Ignition Timing (AREA)

Abstract

PURPOSE: To generate ignition angle advancing control signal easily with simple mechanism by providing signal conversion circuit which generates knocking calculation/processing signal that retains its predetermined level from generation of knocking decision signal till generation of next ignition signal.
CONSTITUTION: Vibration sensor 1 converts engine vibrations to electric signals and passes them to comparator 6 via filter 2 and amplifier 3. Compartor 6, comparing the said signal with output signal of generator circuit 4 which generates standard voltage of higher level than that of usual engine vibration signals corresponding to average level of engine vibration signals, generates knocking decision signals. In this device, signal conversion circuit 10 is provided at down stream side of comparator 6 to generate knocking calculation and processing signal which is at low level from generation of knocking decision signal to generation of reset signal by ignition signal from signal shaping circuit 8. Nicrocomputer 11 generates ignition angle advancing control signal at any desired time.
COPYRIGHT: (C)1982,JPO&Japio
JP9903580A 1980-07-19 1980-07-19 Knocking detection and processing device Pending JPS5724452A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9903580A JPS5724452A (en) 1980-07-19 1980-07-19 Knocking detection and processing device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9903580A JPS5724452A (en) 1980-07-19 1980-07-19 Knocking detection and processing device

Publications (1)

Publication Number Publication Date
JPS5724452A true JPS5724452A (en) 1982-02-09

Family

ID=14236144

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9903580A Pending JPS5724452A (en) 1980-07-19 1980-07-19 Knocking detection and processing device

Country Status (1)

Country Link
JP (1) JPS5724452A (en)

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