JPS5786564A - Input circuit for driving ignition system - Google Patents

Input circuit for driving ignition system

Info

Publication number
JPS5786564A
JPS5786564A JP16235580A JP16235580A JPS5786564A JP S5786564 A JPS5786564 A JP S5786564A JP 16235580 A JP16235580 A JP 16235580A JP 16235580 A JP16235580 A JP 16235580A JP S5786564 A JPS5786564 A JP S5786564A
Authority
JP
Japan
Prior art keywords
voltage
signal generator
output
voltage comparator
duty ratio
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
JP16235580A
Other languages
Japanese (ja)
Inventor
Satoshi Nakao
Yasuo Taguchi
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.)
Toshiba Corp
Original Assignee
Toshiba Corp
Tokyo Shibaura Electric 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 Toshiba Corp, Tokyo Shibaura Electric Co Ltd filed Critical Toshiba Corp
Priority to JP16235580A priority Critical patent/JPS5786564A/en
Publication of JPS5786564A publication Critical patent/JPS5786564A/en
Pending legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02P—IGNITION, OTHER THAN COMPRESSION IGNITION, FOR INTERNAL-COMBUSTION ENGINES; TESTING OF IGNITION TIMING IN COMPRESSION-IGNITION ENGINES
    • F02P3/00—Other installations
    • F02P3/02—Other installations having inductive energy storage, e.g. arrangements of induction coils
    • F02P3/04—Layout of circuits
    • F02P3/045—Layout of circuits for control of the dwell or anti dwell time
    • F02P3/0453—Opening or closing the primary coil circuit with semiconductor devices

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Ignition Installations For Internal Combustion Engines (AREA)

Abstract

PURPOSE:To obtain a pulse of a constant duty ratio in a circuit which shapes a waveform of an output of a signal generator by varying a voltage level according speed. CONSTITUTION:An output of a signal generator 1 is connected to a nonreverse input of a voltage comparator 12. A reverse input of the voltage comparator 12 is connected to a frequency-voltage (F-V) converting circuit 14 which is connected to the signal generator 1. A comparison voltage of the voltage comparator is increased with an increase in running speed so that a variation in running speed may have no influence on a duty ratio because the output voltage of the signal generator 1 is raised along with the increase in running speed. The F-V converting circuit 14 may be connected to an output of the voltage comparator 12, thereby usually providing a pulse of a constant duty ratio for an ignition system driving input circuit.
JP16235580A 1980-11-18 1980-11-18 Input circuit for driving ignition system Pending JPS5786564A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP16235580A JPS5786564A (en) 1980-11-18 1980-11-18 Input circuit for driving ignition system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP16235580A JPS5786564A (en) 1980-11-18 1980-11-18 Input circuit for driving ignition system

Publications (1)

Publication Number Publication Date
JPS5786564A true JPS5786564A (en) 1982-05-29

Family

ID=15752982

Family Applications (1)

Application Number Title Priority Date Filing Date
JP16235580A Pending JPS5786564A (en) 1980-11-18 1980-11-18 Input circuit for driving ignition system

Country Status (1)

Country Link
JP (1) JPS5786564A (en)

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