Abstract: An engine stopping apparatus includes: a vehicle body 3 with an engine mounted therein; a transponder 5 to which information on identification of a driver has been inputted; a collating circuit for transmitting a collation signal to the transponder and for identifying the driver on the basis of a response signal with respect to the same; and a control circuit for controlling the driving of the engine on the basis of a result of collation by the collating circuit, wherein the transponder 5 is arranged to be held in a state of being worn on a driver side separately from the vehicle body 3.

Abstract: A vehicle alarm system for use with a lock (1) that is attachable to a vehicle wheel (2). The alarm system includes a lock motion detection sensor (20) and a transmitter (15) to transmit signals from the detection sensor. The motion detection sensor and the transmitter are located inside the lock. The vehicle includes a receiver (24) that receives the detection signals sent by the transmitter (15), an alarm (4) that emits a warning sound, and an operations control unit (25) that sounds the alarm in response to the signal from the receiver. The control unit and alarm are powered by the vehicle's battery (7).