Automobile highway-to-destination access road alarm system and its method

摘要

A channel button 20 for the driver to select a destination; A channel selection processing unit (30) for outputting a control signal for selecting a reception frequency band in accordance with a signal inputted from a channel button; A tuner (40) for selecting and tuning one frequency band among the radio waves input from the receiving antenna (10) according to a control signal input from the channel selection processing unit; A demodulator 50 for separating and outputting a low frequency signal from a frequency band tuned by the tuner; An analog / digital converter 70 for converting a low-frequency signal input from the demodulator into a reception code, which is a digital signal, and outputting the received code; A memory (90) in which a reference code is stored; A microcontroller 80 for comparing the reception code inputted from the analog / digital converter with the reference code stored in the memory and outputting a warning signal for notifying that the reception code and the reference code are the same, Wow; A digital / analog converter 100 for converting an alert signal input from the microcontroller into an analog signal and outputting the analog signal; And a speaker 120 for audibly informing the driver that the analog signal inputted from the digital / analog converting unit is converted into a voice signal and output to the destination, A method of alarming a destination on a motorway on a motorway, and a method thereof, which automatically alerts the driver that the motorway has reached a destination on the highway when the motorway is traveling on the highway and the destination is approaching.