JPS56141057A - Ignition time correcting device for internal combustion engine - Google Patents
Ignition time correcting device for internal combustion engineInfo
- Publication number
- JPS56141057A JPS56141057A JP4440880A JP4440880A JPS56141057A JP S56141057 A JPS56141057 A JP S56141057A JP 4440880 A JP4440880 A JP 4440880A JP 4440880 A JP4440880 A JP 4440880A JP S56141057 A JPS56141057 A JP S56141057A
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- ignition time
- ignition
- difference angle
- phase difference
- 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
Links
Landscapes
- Electrical Control Of Ignition Timing (AREA)
Abstract
PURPOSE: To correct the deviation of the ignition time by detecting the deviation of the ignition time upon the predetermined operation of the engine, and correcting the ignition time so as to set it at the normal ignition time in correspondence to the detection memory output.
CONSTITUTION: A reference signal from a reference signal generating circuit 2 is supplied to a phase difference angle detection circuit 4, and an ignition signal from the ignition signal generator 1 is supplied through a phase shifting circuit 3 to the phase difference angle detection circuit 4. Further, the phase difference angle detection circuit 4 produces a correction signal of a pulse length corresponding to the phase difference angle between both signals. When the idling state is detected by an idling detector 5, a correction signal is supplied to a locking circuit 9, through a gate circuit 6, and the reversible driving circuit 7 adjusts a variable resistor 8, so that the phase shifting quantity of the phase shifting circuit 3 is adjusted, thereby the ignition signal maintains a predetermined phase relationship with respect to the reference signal.
COPYRIGHT: (C)1981,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4440880A JPS56141057A (en) | 1980-04-03 | 1980-04-03 | Ignition time correcting device for internal combustion engine |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4440880A JPS56141057A (en) | 1980-04-03 | 1980-04-03 | Ignition time correcting device for internal combustion engine |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS56141057A true JPS56141057A (en) | 1981-11-04 |
Family
ID=12690678
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP4440880A Pending JPS56141057A (en) | 1980-04-03 | 1980-04-03 | Ignition time correcting device for internal combustion engine |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS56141057A (en) |
-
1980
- 1980-04-03 JP JP4440880A patent/JPS56141057A/en active Pending
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