| 摘要 |
PURPOSE: To provide a data transmission device which can search and fetch the information transmitted through a transmission circuit in every block and with timing of the terminal side despite application of a single-direction discharge system where the information are not stocked at the terminal side. CONSTITUTION: A server device 3 is connected to plural KARAOKE terminal equipments 5 via a coaxial cable 7. Then the device 3 successively transmits the data in every block via a data transmission channel and also transmits a prescribed timing signal that is set based on the transmission timing set for data of every block to search the data transmitted in every block through a timing signal channel different from the data transmission channel. Each equipment 5 can fetch the data on every block corresponding to the timing signal by selecting the corresponding data transmission channel based on the timing signal. |
