Hitachi, Ltd.

Renesas Technology Corp.

Hitachi Computer Peripherals Co., Ltd.

Kazuaki Tanaka

Takafumi Miyatake

Akio Nagasaka

Nobukazu Kondo

Takehiro Fujita

Tomohisa Kohiyama

Masataka Okayama

Kazutoshi Katoh

Yoshihiro Harada

Shigeru Yoneda

Itaru Nonomura

Shinichi Hashimoto

Takahiro Yamada

Shigeki Nagaya

Satoshi Wakayama

Yoshito Kamegi

Katsumi Taniguchi

Mikihiko Tokunaga

Tatsuo Namba

Akihiko Togawa

Ichiro Yokoyama

Yuuji Kimura

Takeshi Kamoshida

Yasunori Kaneda

Takashi Oeda

Noriyuki Takahashi

Hirotada Ueda

Kazuo Takaragi

Shoji Yamamoto

Yuichi Kobayashi

Takashi Sumiyoshi

Taro Inoue

Minoru Kosuge

Takeshi Matsuki

Hironori Oikawa

Takeo Tomokane

Tetsuhiko Fujii

Mitsuteru Omata

Akiyori Tamura

Sadasaburo Kanai

Kazuhiro Fujisaki

Takeshi Hizono

Kazuhiro Soeda

Makoto Urakawa

Kiyotaka Kiyasu

Hiromichi Ogata

Kuniaki Yamashita

Shoichi Kosuge

Toshio Akiba

Naoki Hirosawa

Yasuyuki Ooki

Hiroshi Taguchi

Manabu Takano

An electronic apparatusin which is mounted an electronic unit having a plurality of heat-generating sections including at least a first heat-generating section and a second heat-generating section includes: a hold framefor holding the electronic unit, a first heat-conducting memberfor transmitting heat generated by the first heat-generating section, a second heat-conducting memberfor transmitting heat generated by the second heat-generating section, and a cooling unitfor releasing the heat transmitted through the first and second heat-generating sections; in which apparatus, the first heat-conducting memberis heat-connected to the cooling unit, and the second heat-conducting memberis heat-connected to the cooling unitvia the hold frame

Cooling system for an electronic unit with plural heat-generating sections

An object is to provide a video recording/playing apparatus for facilitating recording/playing of motion pictures. The configuration is provided with, at least, a video input device for inputting analog motion pictures (video), a video capture device for digitizing the motion pictures inputted through the video input device and recording the digitized motion pictures and, at the same time, for converting the motion pictures inputted through the video input device into compressed motion pictures capable of being played in a high compression ratio and in a high picture quality and recording the compressed motion pictures, an information extracting device for extracting arbitrary information from the non-compressed motion pictures captured by the video capture device, a correspondence information generating device for associating the information extracted by the information extracting device with the compressed motion pictures captured by the video capture device, an input device for designating a result of the correspondence, and a compressed video playing device for playing the compressed motion pictures.

Video capture device

A virtual tape controller is provided between a changer using DVD media as recording media and a host computer. The virtual tape controller receives commands from the host computer through a magnetic tape interface that emulates the interface to magnetic tape apparatus. Request translation means interprets the commands from the host computer, and generates commands for controlling drives within the changer on the basis of information for indicating the data positions on virtual tapes held at access positions and the positions of the heads of data recorded on virtual tapes on the media held in conversion table holding means.

Virtual tape storage apparatus

An optical disk recording system includes a plurality of slots housing portable optical memory media and operative to select a desired optical recording medium to perform data read/write or includes a plurality of recording media housed in a magazine having the function of replacement. It is decided, during writing data to a recording medium, whether writing to the recording medium held in a slot is permissible and if writing is impermissible, writing to a recording medium of another slot is carried out. In the case of a medium exchangeable memory device having a detachable magazine having a plurality of slots, when writing to a slot of one magazine is impermissible, writing to a recording medium held in a slot of another magazine is carried out. Writing can be carried out without considering the state of the recording medium.

Method of selecting medium in optical disk memory device and optical disk memory system

A method and apparatus for displaying a representative image corresponding to a shot of a duration within a specified range included in a plurality of shots of a moving image. The moving image includes a plurality of successive frames each having an image and each shot includes a plurality of the successive frames. In the invention a plurality of shot change points are sequentially detected from the moving image. The shot change points represent points between a pair of frames where images of a preceding shot and images of a succeeding shot have changed. Thereafter a detection is performed to determine whether a duration of a shot between a preceding shot change point and a succeeding shot change point is within the specified range. A representative image corresponding to the shot having a duration within the specified range is displayed along with duration time information representing the duration of the shot. A reduced image from the shot can be displayed as the representative image and the number of detected shots having a duration within the specified range can be reduced according to preset conditions.

Method and apparatus for detecting and displaying a representative image of a shot of short duration in a moving image

Information processing system

A system for detecting a point of change between video shots from a video having a plurality of succeeding frames. The system includes video playback apparatus for playing a video chronologically one frame at a time, and a display for displaying the video. The a processing device for calculating a feature quantity of video image data for each frame, determining a first correlation coefficient between a feature quantity of a current frame and a feature quantity calculated from an immediately preceding frame and determining a second correlation coefficient between the feature quantity of the current frame and a feature quantity of at least two frames preceding the current frame, and indicating on the display a point of change between video shots when the first correlation coefficient and the second correlation coefficient are out of predetermined allowable ranges. The correlation coefficients of each frame is stored and can be used by the processing device to dynamically change a reference used for detecting a point of change between video shots. The change in the reference is performed based on the stored correlation coefficients or feature quantities of past frames.

Method and apparatus for detecting a point of change in a moving image

This invention relates to an associated video retrieving method and a method therefor which enable a user to freely and easily make associated video retrieval. Video display apparatus having a video display region for visualizing video, an index display region for displaying index information of the videos, point detection unit for detecting a point position for these display regions, object management unit for registering in advance matters or sound in an animation appearing in the video, and control unit for determining a condition of the video to be next playbacked from point information obtained by the point detection unit and from logical structure description of the video separately built up, are provided. Even when a desired scene cannot be specified from the index information, a scene in which any hints relating to the desired scene is found out and associated video retrieval is effected on the basis of such a scene so as to finally obtain the desired scene. Versatile video retrieval can be made by unitedly using each display.

Associated image retrieving apparatus and method

An information processing apparatus for processing video data and video data with audio data includes a scene change detecting device for particularly detecting a scene change of video data. The video data scene change detecting device includes an intra-coded frame detecting device for detecting a scene change between an intra-coded frame contained in video data and an intra-coded frame preceding the frame and a scene change information recording device for recording scene change information detected by the intra-coded frame detecting device.

Method of and an apparatus for decoding video data

Method and apparatus for detecting and displaying a representative image

The video retrieving method provides a video retrieval man-machine interface which visually specifies a desired video out of many stored videos by using previously linked picture data corresponding to the videos. Also, a video reproduction operating man-machine interface visually designates the position of reproduction out of the picture group indicative of the contents. The video retrieving method employs video data, character information linked to the video data, picture data linked to the videos, and time information corresponding to the picture data in the video data. The character information is composed of a title of each video and a creation date thereof. The picture data include, as retrieval information, one picture data representing the content of the relevant video (one picture expressing the video, i.e., a leaflet or the like), and a plurality of picture data adapted to grasp the contents of the entire video. The time information indicates the temporal position of the picture data in the video data.

Video retrieving method and apparatus

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.

Video mail system capable of transferring large quantities of data

Video capture device, video recording/playing apparatus having the video

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Yokohama, Japan

Kazuaki Tanaka