Television – Two-way video and voice communication – Over wireless communication
Reexamination Certificate
2005-09-13
2005-09-13
Chan, Wing (Department: 2643)
Television
Two-way video and voice communication
Over wireless communication
C348S014080, C455S416000
Reexamination Certificate
active
06943819
ABSTRACT:
The invention provides a television meeting unit that is capable of displaying a picture smoothly on a middle participation terminal. To realize such television meeting unit, the multicast meeting unit is provided with a picture coding means for coding an input picture, a picture transmission means for transmitting the coded picture by mean of multicast, a picture receiving means for receiving the transmitted coded picture, a picture decoding means for decoding the received picture, a picture display means for displaying the decoded picture, a middle participation notice means for notifying middle participation in a meeting, and a middle participation terminal detection means for detecting the middle participation notice and for transmitting it to the picture coding means. The picture coding means, upon receiving the middle participation notice from the middle participation terminal detection means, changes the coding format to the in-frame coding format.
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Inoue Akino
Oka Toshio
Sato Masaki
Senga Satoshi
Takaki Toshimasa
Browdy and Neimark PLLC
Chan Wing
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