| 摘要 |
<p>PROBLEM TO BE SOLVED: To give an alarm immediately to a user when he/her fails to carry with him/her a transmitter in a constitution to control a proper control mechanism based on the communication information by a portable transmitter and a receiver provided on a vehicle. SOLUTION: A remote key 1 provided with transmitter and receiver transmits specified code transmitting signals to a receiving circuit 4 when close signals are input from a door courtesy switch 19 to a control device 2. Also the remote key 1 transmits the specified code transmitting signals again to the receiving circuit 4 when the specified code signals received by the control device 2 are found identical with those stored beforehand by collation. Then, when the control device 2 receives the specified code signals and these signals are identical with those stored beforehand, the device sounds a horn 22 and, when it does not receive the specified code transmitting signals or these signals are not identical with those stored beforehand, a door lock is driven.</p> |
