Video mail system capable of transferring large quantities of data without hampering other data transmissions

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 5912697
SERIAL NO

08545892

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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In a data transfer system, a transmission terminal is provided with a transmission unit and a divisional transmission unit. A server station is provided with mailboxes, a transmission/reception management unit, a divisional reception unit and a divisional transmission unit. A reception terminal is provided with a reception,/reconstruction unit and a divisional reception unit. In the transmission of video mail from the transmission unit (or from the transmission/reception management unit) to the transmission/reception management unit (or to the reception/reconstruction unit), audio and a frame (still picture) representative of a motion picture, among data contained in the video mail, are first sent by an ordinary method. Video data in the video mail are thereafter transmitted from the divisional transmission unit to the divisional reception unit by a plurality of separate operations. Such a construction can realize data transfer of the video mail which relieves traffic in multimedia data transmission and also copes with the urgency of the mail while making the best use of an existing network.

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Patent Owner(s)

  • HITACHI, LTD.

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Fujisaki, Kazuhiro Ebina, JP 7 149
Hashimoto, Shinichi Hadano, JP 187 2984
Kimura, Yuuji Yokohama, JP 18 278
Nonomura, Itaru Tokyo, JP 21 329
Tanaka, Kazuaki Yokohama, JP 72 1255
Yamada, Takahiro Yokohama, JP 289 3040

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