This internal combustion engine ignition device, which does not have a battery, is capable of reliably providing ignition from the very start of the rotation of an engine, and prevents the excessive generation of ignition energy. The internal combustion en...

An ignition device (100) includes a power supply (2) for discharge; an AC power supply (3); an ignition coil (41) for generating a secondary voltage in a secondary coil (41B); an ignition plug (1) connected to the secondary coil (41B); an AC electrode (43)...

The ignition system for internal combustion engines comprises a rotor (10) and an armature (15) provided with an ignition coil (16,17) in which voltage signals, each having pulses (a,b,c,d) of opposite polarities are cyclically induced during each revoluti...