| 摘要 |
An advertisement system using an idle channel of an apartment television is provided to classify advertising contents by weekdays and time intervals and broadcast the classified advertising contents by using an idle television channel in an apartment or an apartment-type factory. An advertisement transmission system(100) includes an advertising database for storing advertisements inputted from an input unit and an internet, a classification database for storing advertisements classified by broadcasting time intervals and then transmitted, a server connected to the internet, a D/A(Digital to Analog) converter for converting a digital signal outputted from the server into an analog signal, and a modulator for modulating the analog signal and a high frequency channel signal provided from a channel oscillator and generating a standard television radio wave signal. The advertisements stored in the classification database are provided to a coupler(6). |
