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A solid-state Hall effect ignition system which requires connection to only a single ignition coil lead wire. The lead wire connects to both an output transistor and to power supply circuitry arranged to provide an internal bias or supply voltage for the solid-state ignition circuitry. Current limit

A solid-state Hall effect ignition system which requires connection to only a single ignition coil lead wire. The lead wire connects to both an output transistor and to power supply circuitry arranged to provide an internal bias or supply voltage for the solid-state ignition circuitry. Current limiting and automatic shut-off features dwell control, and polarity protection are also provided.

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1. A method of generating an ignition signal comprising: providing a solid-state ignition pulse train generation circuit; and generating a power supply for said circuit utilizing a single connection to an ignition coil lead wire. 2. The method of claim 1 wherein said solid-state circuit compri

1. A method of generating an ignition signal comprising: providing a solid-state ignition pulse train generation circuit; and generating a power supply for said circuit utilizing a single connection to an ignition coil lead wire. 2. The method of claim 1 wherein said solid-state circuit comprises a Hall effect ignition pulse train generation circuit.3. The method of claim 1 further comprising the step of preventing spurious coil discharges during initial start-up of said circuit.4. The method of claim 3 wherein said step of generating comprises developing a voltage from energy derived from said single connection and wherein said step of preventing spurious discharges comprises the step of maintaining an output transistor of said circuit in a desaturated state until a selected voltage level is developed.5. The method of claim 4 further including the step of limiting the amount of current through said output transistor to a selected amount.6. The method of claim 5 wherein said circuit comprises a Hall effect ignition pulse train generation circuit and further including the step of shutting off said transistor after a selected interval during which no Hall effect trigger pulses are generated.7. A method of generating an ignition signal comprising the steps of: providing a solid-state ignition pulse train generation circuit; and generating a power supply for said circuit by storing energy derived from an ignition coil lead wire. 8. The method of claim 7 wherein said energy is stored by circuitry comprising a capacitor.9. The method of claim 7 wherein said solid-state circuit comprises a Hall effect ignition pulse train generation circuit.10. The method of claim 7 further comprising the step of preventing spurious coil discharges during initial start-up of said circuit.11. The method of claim 10 wherein said step of preventing spurious coil discharges comprises the step of maintaining an output transistor of said circuit in a desaturated state until a selected voltage is developed.12. The method of claim 7 wherein said power supply comprises a voltage.13. The method of claim 12 wherein said voltage is a bias voltage.14. The method of claim 13 wherein said bias voltage is developed across an energy storage device.15. The method of claim 14 wherein said energy storage device comprises a capacitor.16. The method of claim 10 wherein said step of generating comprises developing a voltage from energy derived from said single connection and wherein said step of preventing spurious discharges comprises the step of maintaining an output transistor of said circuit in a desaturated state until a selected voltage level is developed.17. The method of claim 16 further including the step of limiting the amount of current through said output transistor to a selected amount.18. The method of claim 17 wherein said step of limiting comprises turning off said output transistor when the current therethrough reaches a selected value.19. The method of claim 18 wherein said circuit comprises a Hall effect ignition pulse train generation circuit and further including the step of shutting off said output transistor after a selected interval during which no Hall effect trigger pulses are generated by said circuit.20. The method of claim 7 further including the step of limiting the amount of current through an output transistor of said circuit to a selected amount.21. The method of claim 20 wherein said step of limiting comprises turning off said output transistor when the circuit therethrough reaches a selected value.22. The method of claim 9 further including the step of shutting off said output transistor after a selected interval during which no Hall effect trigger pulses are generated.23. The method of claim 22 further comprising disabling operation of said pulse train generation circuit during initial start-up thereof.24. The method of claim 7 further comprising disabling operation of said pulse train generation circuit during initial start- up thereof.25. The method of claim 1 wherein said step of generating comprises developing a voltage from energy derived from said single connection.26. The method of claim 1 further comprising the step of disabling operation of said pulse train generation circuit during initial start-up thereof.27. The method of claim 6 further comprising the step of disabling operation of said pulse train generation circuit during initial start-up thereof.28. The method of claim 5 wherein said step of limiting comprises turning off said output transistor when the current therethrough reaches a selected value.29. The method of claim 1 further including the step of limiting the amount of current through an output transistor of said circuit to a selected amount.30. The method of claim 29 wherein said step of limiting comprises turning off said output transistor when the current therethrough reaches a selected value.31. The method of claim 2 further including the step of shutting off an output transistor of said circuit after a selected interval during which no Hall effect trigger pulses are generated.32. The method of claim 25 wherein said voltage is a bias voltage.33. The method of claim 32 wherein said bias voltage is developed across a capacitor.34. A method of generating an ignition signal comprising: providing a solid-state Hall effect ignition pulse train generation circuit; and generating a power supply for said circuit utilizing a single connection to an ignition coil lead wire.