| 摘要 |
The present invention relates to a car remote control key, a system and a method for remotely controlling a car, more particularly, to a car remote control key capable of variably outputting a transmission wireless signal for distinctively operating a remote control distance by control target, a system and a method for remotely controlling a car. For the purpose, an embodiment of the present invention as a method for remotely controlling opening and closing of an additional subject of a car to be controlled through a remote control key having a functional button for remotely controlling a door of the car includes: a step of detection operation of the functional button; and a step of transmitting a signal related to the opening and closing of the additional subject to be controlled with a predetermined output according to a operating time of the functional button. [Reference numerals] (AA) Start; (BB,DD) No; (CC,EE) Yes; (FF) End; (S110) Calculating a switch button operation (pressing) time of a remote control key; (S120) Switch button operation (pressing) time of a remote control key >= Set time (Example: 2 sec); (S132) Entering the window or sunroof opening/closing mode; (S134) Outputting the power to receive a wireless signal related to the window or sunroof opening/closing within a set short distance (Example: 7 to 10 m); (S142) Entering the door lock or unlock mode; (S144) Outputting the power to receive a wireless signal related to the door opening/closing within a set long distance (Example: 30 m); (S210) Car remote control module received the wireless signal transmitted from the remote control key?; (S220) Received wireless signal is a short distance output wireless signal; (S230) Controlling the subject (window, sunroof) to be controlled according to the identification code included in the wireless signal; (S240) Controlling door lock or unlock according to the identification code included in the wireless signal |
