| 摘要 |
PURPOSE:To prevent surely theft at what uses both a mechanical key checkup and an electronic code checkup, by making a re-start impossible unless an agreeing electronic code is inputted from a manual code input means, under the circumstanced of an engine stopped and a key being inserted. CONSTITUTION:At the time of the operation of a vehicle, a key device 5 consisting of a mechanical key portion 6 and a grip portion 7 having a built-in transmitter 8, is inserted into a key switch 2a, and contacts 10 and opposition contacts 11 are made to come into contact with one another by turning this. A proper electronic code signal is transmitted, with this contact as a trigger, toward a light receiving element 12 from the transmitter 8 through a light emitting element 9. This code signal is checked at a controller 3, and in the case of a checkup outcome having agreed, a starter 15 or the like is made to be operatable. Meanwhile, in the case of an operator having got off with an engine stopped and the key device 5 inserted, it is so arranged that the re-start of the engine will not be conducted unless the proper electronic code signal is inputted from a key board 4. |
