MULTIMEDIA CONTENT BIDIRECTIONAL SERVICE SYSTEM

Title:

MULTIMEDIA CONTENT BIDIRECTIONAL SERVICE SYSTEM

Document Type and Number:

WIPO Patent Application WO/2007/000870

Kind Code:

A1

Abstract:

A bidirectional service system (70) has: a service providing side including an AV content creation/transmission device (72) for transmitting an AV content to a service providing side and an AV content-associated service providing device (75) for receiving a message; and a service requesting side including an AV content reproducing device (74) for reproducing the AV content received from the AV content creation/transmission device (72), creating a message according to a sub-content of the AV content, and transmitting it. The AV content creation/transmission device (72) broadcast the AV data of the AV content via a relay station (13) and transmits the sub-content of the AV content via a network (16).

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Inventors:

HAGAWA TOSHIHIDE
UEDA TORU
IWAI TOSHIYUKI

Application Number:

PCT/JP2006/310934

Publication Date:

January 04, 2007

Filing Date:

May 31, 2006

Export Citation:

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Assignee:

SHARP KK (JP)
HAGAWA TOSHIHIDE
UEDA TORU
IWAI TOSHIYUKI

International Classes:

H04H20/93; H04N7/24; H04H1/00

Foreign References:

JP2001136136A	2001-05-18
JP2004193681A	2004-07-08
JP2003244675A	2003-08-29
JP2001359060A	2001-12-26
JP2002016568A	2002-01-18
EP1204275A2	2002-05-08
US20020166123A1	2002-11-07
JP2004193681A	2004-07-08

Other References: