Antitheft device
1 Assignment
0 Petitions
Accused Products
Abstract
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 7 and after an elapse of the first predetermined time Ts, instructs the switch 9 to repeat a turn-on and turn-off at predetermined time intervals Δt, and, whenever the switch 9 is brought into a turned-on position, detects a position at that time by a position detecting controller 3 and compares the position with a position at the time of an engine stop to determine whether or not a theft has taken place. Owing to this construction, it is no longer necessary to always feed power to the position detecting controller 3 during the stop of the engine 7, thereby making it possible to cut down the feeding of as much power to the controller 3 as a time elapsed during which the switch 9 is kept off. The antitheft system can, therefore, minimize the power consumption of a control system during the engine stop.
45 Citations
15 Claims
-
1-4. -4. (canceled)
-
7-8. -8. (canceled)
-
10. An antitheft system provided with:
-
a control system arranged on a self-propelling movable object with an engine mounted thereon as a drive source and having a position detecting means for detecting a position of said movable object, a transmission/reception means for performing a transmission/reception to/from an outside and a processing means for performing predetermined processing operations including outputs of run commands to said position detecting means and said transmission/reception means, and a control server arranged at a place different from said movable object for controlling information on said movable object, said information comprising position information detected by said position detecting means and transmitted via said transmission/reception means, characterized in that said antitheft system comprises;
a clocking means, a first power feeding means for performing feeding of power to at least said position detecting means, and a second power feeding means for performing feeding of power to at least said clocking means; and
said processing means receives signals from said clocking means, allows said first power feeding means to continuously feed power until a first predetermined time elapses from a time point at which a stop signal for said engine is inputted, and after an elapse of said first predetermined time, repeatedly outputs an instruction signal, which permits feeding of power, at predetermined time intervals to said first power feeding means. - View Dependent Claims (5, 6, 9, 11, 12, 13, 14, 15)
-
Specification