Television – Two-way video and voice communication – User positioning
Patent
1992-07-15
1998-08-04
Chan, Wing F.
Television
Two-way video and voice communication
User positioning
379 96, 379202, H04M 1100
Patent
active
057901783
ABSTRACT:
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.
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Ebihara Toru
Furuya Jun
Maruyama Yukinobu
Matsushima Hitoshi
Shibata Yoji
Chan Wing F.
Hitachi , Ltd.
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