发明名称 |
Communication system and terminal units connected thereto |
摘要 |
A communication system including a network and at least two terminal units connected thereto. Each terminal unit includes a session controlling unit for controlling a session for enabling transmission/receiving of voice, image, handwritten data to/from the remote terminal unit individually, and a display unit for displaying the image and the handwritten data. The image data and the handwritten data are overlapped and displayed on a display of the display unit.
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申请公布号 |
US7584431(B2) |
申请公布日期 |
2009.09.01 |
申请号 |
US20030724778 |
申请日期 |
2003.12.02 |
申请人 |
HITACHI, LTD. |
发明人 |
KAZUSHIGE HIROI;KONDO NOBUKAZU;HARA TSUTOMU;YOKOZAWA TOORU;OGIWARA KAZUCHIKA;UMEMURA MASAYA;OKAMURA SHINICHIRO |
分类号 |
G06F3/00;H04N1/00;G06F7/00;H04L29/06;H04M11/06 |
主分类号 |
G06F3/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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