发明名称 |
Picture codec for teleconference equipment, which forms and displays picture-in-frame including at least two of received motion picture, a received still picture and a self motion picture in an optional combination |
摘要 |
In a teleconference terminal equipment; a picture codec for simultaneously displaying a still picture and video on a single screen. The picture codec includes an analog-to-digital converter which converts a picture signal into digital picture data, a picture-in-picture processor which is supplied with the digital picture data as self-picture data of the terminal equipment, a video decoder or a still picture decoder which decodes input picture data and delivers the decoded data to the P-in-P processor, and a digital-to-analog converter which is supplied with picture data for forming a P-in-P frame, having been produced from the self-picture data and the decoded data by the P-in-P processor, and which converts the supplied picture data into an analog signal and delivers the analog signal as an output.
|
申请公布号 |
US5790178(A) |
申请公布日期 |
1998.08.04 |
申请号 |
US19920913402 |
申请日期 |
1992.07.15 |
申请人 |
HITACHI, LTD. |
发明人 |
SHIBATA, YOJI;TAKIZAWA, MASAAKI;MATSUSHIMA, HITOSHI;YOSHIKAWA, HIROSHI;YOSHIDA, ATSUO;EBIHARA, TORU;FURUYA, JUN;MARUYAMA, YUKINOBU;YAMADA, TAKEHIKO |
分类号 |
G06T1/20;G06T9/00;H04M3/56;H04N1/10;H04N1/42;H04N5/45;H04N7/14;H04N7/15;H04Q11/04;(IPC1-7):H04M11/00 |
主分类号 |
G06T1/20 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|