| 摘要 |
<p>Video phone system capable of displaying the picture of other party upon telephone talking, and particularly, capable of recording index signal upon recording the video data to a tape so that the video data can easily be searched. The video phone system comprising A/D converter, central processing unit, gate array, D/A converter, video amplifying and synthesizing unit, interface, memory, a switch for selecting the output signal of the interface, a binary counter for counting the number of pulses of the index signal, and a comparator for comparating the counted signals of the binary counter with the search signals of the central processing unit to apply a starting signal to the central processing unit.</p> |
