1
Kawamura Makoto Sony Corporati, Fujinami Yasushi Sony Corporat: Method and device for recording data, data recording medium, and method and device for reproducing data. Sony, February 14, 1996: EP0696798-A1 (144 worldwide citation)

When data are recorded on a recording medium with one sector being a unit, additional information for reproducing data is recorded separately from the data as sub-codes in each sector on the data recording medium. Hence the reproduction of data can be controlled by using the sub-codes. Therefore, th ...


2
Yoshihiro Hori, Toshiaki Hioki, Miwa Kanamori, Takatoshi Yoshikawa, Hiroshi Takemura, Takayuki Hasebe, Takahisa Hatakeyama, Tadaaki Tonegawa, Takeaki Anazawa: Device for reproducing data. Sanyo Electric, Fujitsu, Westerman Hattori Daniels & Adrian, May 24, 2005: US06898708 (51 worldwide citation)

A cellular phone (100) stores encrypted content data and encrypted license key distributed thereto in a memory card (110). The cellular phone (100) and the memory card (110) collectively perform a part of mutual authentication processing upon power-on. The encrypted license key (Kc) read from the me ...


3
Minoru Tobita: Digital data reproducing apparatus. Sony Corporation, Philip M Shaw Jr, Limbach & Limbach, April 9, 1996: US05506827 (22 worldwide citation)

An optical reproducing apparatus, for example, an optical magnetic disc device for reproducing data, has been recorded on a disc recording medium by applying the Viterbi decoding method, or the like, and can effectively avoid the deterioration of bit error rate even if the DC level fluctuates. When ...


4
Kono Mitsuru: Compact-type device for reproducing data.. Seiko Epson, September 26, 1990: EP0389261-A2 (21 worldwide citation)

A compact-type device for reproducing data comprising means (1) for receiving optical recording media on which data is recorded, means (10) for reading the data from the optical recording media, and means (2, 6, 7, 8) for reproducing the data for output, characterised in that the reproducing means c ...


5
Yasushi Fujinami: Apparatus for reproducing data containing time information. Sony Corporation, William S Frommer, Frommer Lawrence & Haug, May 26, 1998: US05758011 (18 worldwide citation)

A data reproducing apparatus having a reproducing device for reproducing data stored on a recording medium, a first storing device for storing data reproduced from the record medium and a decode device for decoding data read out from the first storing device. The reproducing apparatus further having ...


6
Sako Yoichiro, Kawashima Isao, Kurihara Akira, Osawa Yoshitomo, Owa Hideo: Method and device for recording data, data recording medium, and method and device for reproducing data. Sony, September 10, 1997: EP0794496-A1 (13 worldwide citation)

An input is ciphered in at least one of a sector forming circuit 13, a scrambling circuit 14, a header appendage circuit 15, an error correction encoding circuit 16, a modulation circuit 18 and a synchronization appendage circuit 18, used for processing input data for forming a recording signal. Not ...


7
Hiroshi Nakane: Recorded data reading system. Kabushiki Kaisha Toshiba, Finnegan Henderson Farabow Garrett and Dunner, November 19, 1991: US05067128 (13 worldwide citation)

An apparatus for reading data stored on a data storage medium. The apparatus includes a data readout device for reproducing data stored on the data storage medium, an error detecter coupled to the data readout device for detecting an error rate at which errors occur in the data reproduced by the dat ...


8
Hori Yoshihiro, Hioki Toshiaki, Kanamori Miwa, Yoshikawa Takatoshi, Takemura Hiroshi, Hasebe Takayuki, Hatakeyama Takahisa, Tonegawa Tadaaki, Anazawa Takeaki: Device for reproducing data. Sanyo Electric Co, Fujitsu, Hitachi, Nippon Columbia, September 4, 2002: EP1237323-A1 (13 worldwide citation)

A cellular phone (100) stores encrypted content data and encrypted license key distributed thereto in a memory card (110). The cellular phone (100) and the memory card (110) collectively perform a part of mutual authentication processing upon power-on. The encrypted license key (Kc) read from the me ...


9
Yasushi Fujinami: Data reproducing device. Sony Corporation, William S Frommer, Dennis M Smid, Frommer Lawrence & Haug, March 7, 2000: US06035092 (11 worldwide citation)

A data reproducing apparatus comprising reproducing device for reproducing data stored on a recording medium, a first memory for storing data reproduced from the recording medium, a decoder for decoding data read out from the first memory, a second memory for storing a data writing position of the f ...


10
Chang rok Lee: Image recording/reproducing apparatus for system optimization. Samsung Electronics, Roylance Abrams Berdo & Goodman L, October 3, 2006: US07117392 (8 worldwide citation)

An image recording/reproducing apparatus includes a first device for reproducing data from a recording medium, a second device for recording the data reproduced by the first device, a data maintenance unit for controlling the operation of the first and the second devices, a power supply unit for sup ...