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Kazuhito Takai, Shiro Fujihara: Card recording medium, certifying method and apparatus for the recording medium, forming system for recording medium, enciphering system, decoder therefor, and recording medium. NEC Corporation, Foley & Lardner, February 15, 2000: US06024287 (117 worldwide citation)

In a card type recording medium containing a data area where data containing ID information of a holder are recorded, and an image area where image data are recorded, in the image area are recorded second image data which are generated by transforming first image data specifying the holder to freque ...


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Kazuhito Takai: Digital broadcast receiving system in information processor. NEC Corporation, Dickstein Shapiro Morin & Oshinsky, November 18, 2003: US06651250 (90 worldwide citation)

A digital satellite broadcast receiving system is proposed in which the necessary packets of an MPEG2-based transport stream can be transferred to the system memory of a computer to facilitate processing of packets by a CPU. The system has means for filtering packets, by packet ID, from an MPEG2-bas ...


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Kazuhito Takai: Communication system using digital watermark for synchronizing multiplexed text data to video frames. NEC Corporation, Dickstein Shapiro Morin & Oshinsky, August 9, 2005: US06928165 (29 worldwide citation)

A digital video communication system includes, at a source site, an embedding circuit for embedding a digital watermark in a digital video stream to produce a watermarked digital video stream, and a multiplexer for multiplexing a text data stream with the watermarked digital video stream to produce ...


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Kazuhito Takai, Yukihiro Kimura: Device capable of modifying a character according to a selected attribute code. NEC Corporation, Whitham & Marhoefer, September 29, 1992: US05151954 (11 worldwide citation)

For use in a character display device, a modifying device comprises first and second memories. The first memory memorizes a character code representative of a character which should be displayed. The second memory memorizes an attribute or characteristic code and a selection code which cooperatively ...


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Kazuhito Takai: Method and device for time/date adjustment for computer. NEC Corporation, Foley & Lardner, April 30, 2002: US06381701 (6 worldwide citation)

A time/data adjustment device automatically synchronizes the time in a computer to the time information contained in signals from a broadcast satellite even when the computer is turned off. A broadcast station outputs video data and audio data of a broadcast program, electronic program guide (EPG) a ...


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Kazuhito Takai: Control system of FIFO memories. NEC Corporation, J Warren Laff Whitesel & Saret Whitesel, June 20, 2000: US06078972 (4 worldwide citation)

To reduce access frequency to a CPU for recording/reproducing digital audio data, a control system of FIFO memories of the invention applied to an sound codec apparatus comprises means (2, 4, 7, 9 and 10) for controlling a first and a second FIFO memory (3 and 8) to store recording data sequentially ...


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Masahiro Higashi, Satoshi Hasegawa, Kazuhito Takai: Data broadcasting system, and data broadcasting contents transmitting system, receiver, and format converting method used in same. NEC Corporation, Foley & Lardner, November 11, 2008: US07450179 (3 worldwide citation)

A data broadcasting system is provided which is capable of achieving display intended and desired by a provider of data broadcasting contents. The data broadcasting system includes a transmitting system and a receiver. The transmitting system includes an HD (High Definition)/SD (Standard Definition) ...


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Kazuhito Takai: Arrangement and method of accessing frame buffer in raster-scan type computer system. NEC Corporation, Foley & Lardner, June 27, 1995: US05428743 (2 worldwide citation)

A multiple-plane frame buffer is effectively accessed which is provided in a video signal generator in a raster-scan type computer system. The video signal generator further includes a video controller preceded by the multiple-plane frame buffer. The video controller receives multiple-bit-per-pixel ...


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