| 摘要 |
The present invention relates to a wireless digital guide method for town notices, which extracts meteorological information of a specific region to be used on a computer by utilizing public meteorological information of Korean Meteorological Administration, which is published on the Internet, converts the extracted meteorological information into digital data using a digital modulation technique, wirelessly transmits the digital data with a transmitter including a radio frequency searching unit to avoid a cross talk to the fullest extent, and repeats receiving and displaying the meteorological information of a town where a system is installed every given time period to let the local people to actively utilize the meteorological information for their lives and occupations. A wireless receiver of a guide system for the method includes: a display unit to display digital numbers and digital characters; a power supply unit to supply a specific level of power to each component of the wireless receiver; a processor unit provided for operations of the wireless receiver; a memory to store data; an antenna to wirelessly communicate with a wireless transmitter located in an external place; a wireless receiving unit to wirelessly receive the data from the wireless transmitter through the antenna; a digital demodulation unit to convert the data received by the wireless receiving unit into digital signals; a vocoder provided for an electrical analysis and synthesis of voice data; an audio codec to encode the voice data; a speaker driving unit configured to drive an output signal in order to output the voice data; and a speaker configured to output an output voice signal. |
