An antitheft system can be provided by constructing such that, when a stop signal has been inputted from an engine 7, a main controller 2 outputs, until a first predetermined time Ts elapses, a turn-on signal to switches 8, 9 to perform a similar antitheft processing as in an operation of the engine...http://www.google.de/patents/US7489049?utm_source=gb-gplus-sharePatent US7489049 - Antitheft device
