Hitachi, Ltd.

Naohisa Seko

Kaoru Konishi

Shinji Kimura

Hiroshi Mine

Kazumi Matsumoto

Asako Miyamoto

Tomokazu Ikki

Daisuke Aso

Mariko Doi

It is provided a video distribution system including a video distribution module, a control module, and a bookmark management module. The bookmark management module manages a first type bookmark whose status is not changed by viewing of the video and a second type bookmark whose status is changeable after the viewing of the video. The control module generates screen data that enables one of the first type bookmark and the second type bookmark to be selected with regard to the video stored in the library, transmits the generated screen data to the one of the receiving terminals, and sets one of the first type bookmark and the second type bookmark, which is selected by a user using the one of the receiving terminals, for the video and record the one of the first type bookmark and the second type bookmark in the bookmark management module.

Video distribution system, information providing device, and video information providing method for distributing video to a plurality of receiving terminals

In this video delivery device including: a storage device storing key frame information including a key frame number included in a contents file and offset from the beginning of a file; and a delivery control unit, which executes delivery in a predetermined cycle, the delivery control unit refers to the key frame information cycle by cycle in executing the trick play, and transmits the key frame having the offset closest to the delivery time among the key frames included in the contents file.

Video delivery device, video receiver and key frame delivery method

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Kawasaki, Japan

Naohisa Seko