| 摘要 |
first and second transceiver devices (10, 26), a door state detecting device (12), first and second oscillators (14, 32), a data convertor (16), first and second transmitters (18, 38), a demodulator (22), first and second control devices (24, 34), a decoder (30), an encoder (36), an alarm device (40), and a door actuator (42). The device generates an alarm sound when the driver locked the door leaving the master key in the car. |
