US Patent 7859818 Electronic control device with wireless projectiles

A wireless projectile for use with a hand-held electronic control device includes a housing, one or more capacitors disposed within the interior of the housing, and one or more probes in electrical communication with the capacitor(s) The probe(s) are disposed within the housing in the first end region of the housing when the projectile is in a first state, and the probe(s) extend through the first end of the housing when the projectile is in the second state. The projectile does not comprise a battery or an inverter to charge the capacitor.