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    • 2. 发明授权
    • Optical data recording method
    • 光学数据记录方法
    • US07272095B2
    • 2007-09-18
    • US10501500
    • 2003-10-09
    • Mamoru ShojiKenji KoishiAtsushi NakamuraTakashi IshidaShuichi Tasaka
    • Mamoru ShojiKenji KoishiAtsushi NakamuraTakashi IshidaShuichi Tasaka
    • G11B7/0045G11B20/14
    • G11B7/24085G11B7/00456G11B11/10506G11B11/1053
    • The optical data recording method comprising the steps of: modulating data to be recorded, to generate a plurality of recording modulation codes; and emitting a pulse-like light beam to an optical disc, so that a plurality of recording marks and spaces which have lengths corresponding to the plurality of recording modulation codes are formed on the optical disc. In the optical data recording method, at least two of the plurality of recording marks comprises: a first pulse which is disposed at a front and forms a leading edge of the recording mark, a last pulse which is disposed at a backend and forms a trailing edge of the recording mark, and a multi-pulse train which is disposed between the first pulse and the last pulse and forms a center of the recording mark. The multi-pulse train has a pulse period longer than T which represents a reference period of the recording modulation code.
    • 该光学数据记录方法包括以下步骤:调制要记录的数据,以产生多个记录调制码; 并向光盘发射脉冲状光束,使得在光盘上形成具有与多个记录调制码对应的长度的多个记录标记和空间。 在光学数据记录方法中,多个记录标记中的至少两个记录标记包括:设置在前面并形成记录标记的前沿的第一脉冲,设置在后端并形成尾部的最后脉冲 记录标记的边缘,以及设置在第一脉冲和最后脉冲之间并形成记录标记的中心的多脉冲串。 多脉冲串具有长于T的脉冲周期,其表示记录调制码的参考周期。
    • 3. 发明授权
    • Optical data recording method
    • 光学数据记录方法
    • US08023380B2
    • 2011-09-20
    • US12339708
    • 2008-12-19
    • Mamoru ShojiKenji KoishiAtsushi NakamuraTakashi IshidaShuichi Tasaka
    • Mamoru ShojiKenji KoishiAtsushi NakamuraTakashi IshidaShuichi Tasaka
    • G11B7/00
    • G11B7/24085G11B7/00456G11B11/10506G11B11/1053
    • The optical data recording method comprising the steps of: modulating data to be recorded, to generate a plurality of recording modulation codes; and emitting a pulse-like light beam to an optical disc, so that a plurality of recording marks and spaces which have lengths corresponding to the plurality of recording modulation codes are formed on the optical disc. In the optical data recording method, at least two of the plurality of recording marks comprises: a first pulse which is disposed at a front and forms a leading edge of the recording mark, a last pulse which is disposed at a backend and forms a trailing edge of the recording mark, and a multi-pulse train which is disposed between the first pulse and the last pulse and forms a center of the recording mark. The multi-pulse train has a pulse period longer than T which represents a reference period of the recording modulation code.
    • 该光学数据记录方法包括以下步骤:调制要记录的数据,以产生多个记录调制码; 并向光盘发射脉冲状光束,使得在光盘上形成具有与多个记录调制码对应的长度的多个记录标记和空间。 在光学数据记录方法中,多个记录标记中的至少两个记录标记包括:设置在前面并形成记录标记的前沿的第一脉冲,设置在后端并形成尾部的最后脉冲 记录标记的边缘,以及设置在第一脉冲和最后脉冲之间并形成记录标记的中心的多脉冲串。 多脉冲串具有长于T的脉冲周期,其表示记录调制码的参考周期。
    • 5. 发明授权
    • Recording method and media having marks and spaces with lengths defined by a predetermined modulation method
    • 记录方法和具有由预定调制方法定义的长度的标记和间隔的介质
    • US07489613B2
    • 2009-02-10
    • US11842189
    • 2007-08-21
    • Mamoru ShojiKenji KoishiAtsushi NakamuraTakashi IshidaShuichi Tasaka
    • Mamoru ShojiKenji KoishiAtsushi NakamuraTakashi IshidaShuichi Tasaka
    • G11B7/0045
    • G11B7/24085G11B7/00456G11B11/10506G11B11/1053
    • A data storage medium is provided on which data is to be recorded by modulating the data to generate a plurality of recording modulation codes and irradiating a pulse-like light beam to the data storage medium, so that a plurality of recording marks and spaces which have lengths corresponding to the plurality of recording modulation codes are formed on the data storage medium. At least two of the plurality of recording marks are formed by the light beam emitted according to a recording pulse train. The recording pulse train comprising a first pulse which is disposed at a front and forms a leading edge of the recording mark, a last pulse which is disposed at a backend and forms a trailing edge of the recording mark, and a multi-pulse train which is disposed between the first pulse and the last pulse and forms a center of the recording mark. The multi-pulse train has a pulse period longer than T which represents a reference period of the recording modulation code. The plurality of recording marks have different lengths represented by T with each other. A number of pulses in each of the recording pulse trains is increased by one as the recording mark is increased in length by 2T. A shortest recording mark and a second shortest recording mark are constituted of a single pulse, respectively.
    • 提供数据存储介质,通过对数据进行调制以产生多个记录调制码并将脉冲状光束照射到数据存储介质上,从而使多个记录标记和空间具有 对应于多个记录调制码的长度形成在数据存储介质上。 多个记录标记中的至少两个由根据记录脉冲序列发射的光束形成。 记录脉冲串包括设置在前面并形成记录标记的前沿的第一脉冲,设置在后端并形成记录标记的后沿的最后脉冲和多脉冲串, 设置在第一脉冲和最后脉冲之间并形成记录标记的中心。 多脉冲串具有长于T的脉冲周期,其表示记录调制码的参考周期。 多个记录标记具有由T表示的彼此不同的长度。 随着记录标记的长度增加2T,每个记录脉冲串中的脉冲数增加1个。 最短记录标记和第二最短记录标记分别由单个脉冲构成。
    • 6. 发明授权
    • Recording method and media having marks and spaces with lengths defined by a predetermined modulation method
    • 记录方法和具有由预定调制方法定义的长度的标记和间隔的介质
    • US07489612B2
    • 2009-02-10
    • US11842185
    • 2007-08-21
    • Mamoru ShojiKenji KoishiAtsushi NakamuraTakashi IshidaShuichi Tasaka
    • Mamoru ShojiKenji KoishiAtsushi NakamuraTakashi IshidaShuichi Tasaka
    • G11B7/0045
    • G11B7/24085G11B7/00456G11B11/10506G11B11/1053
    • A data storage medium is provided on which data is to be recorded by modulating the data to generate a plurality of recording modulation codes and irradiating a pulse-like light beam to the data storage medium, so that a plurality of recording marks and spaces which have lengths corresponding to the plurality of recording modulation codes are formed on the data storage medium. The data storage medium comprises a disc information area that includes a region on which at least one of an irradiation information of the light beam to form the recording marks and a constitution information of the recording mark is to be recorded. At least two of the plurality of recording marks are formed by the light beam emitted according to a recording pulse train. The recording pulse train comprises a first pulse which is disposed at a front and forms a leading edge of the recording mark, a last pulse which is disposed at a backend and forms a trailing edge of the recording mark, and a multi-pulse train which is disposed between the first pulse and the last pulse and forms a center of the recording mark. The multi-pulse train has a pulse period longer than T which represents a reference period of the recording modulation code. The plurality of recording marks have different lengths represented by T with each other. A number of pulses in each of the recording pulse trains is increased by one as the recording mark is increased in length by 2T. A shortest recording mark and a second shortest recording mark are constituted of a single pulse, respectively. Each of the multi-pulse trains has an equal pulse width and pulse interval in the plurality of recording marks.
    • 提供数据存储介质,通过对数据进行调制以产生多个记录调制码并将脉冲状光束照射到数据存储介质上,从而使多个记录标记和空间具有 对应于多个记录调制码的长度形成在数据存储介质上。 数据存储介质包括盘信息区,其包括要在其上记录形成记录标记的光束的照射信息和记录标记的结构信息中的至少一个的区域。 多个记录标记中的至少两个由根据记录脉冲序列发射的光束形成。 记录脉冲串包括设置在前面并形成记录标记的前沿的第一脉冲,设置在后端并形成记录标记的后沿的最后脉冲和多脉冲串,其中 设置在第一脉冲和最后脉冲之间并形成记录标记的中心。 多脉冲串具有长于T的脉冲周期,其表示记录调制码的参考周期。 多个记录标记具有由T表示的彼此不同的长度。 随着记录标记的长度增加2T,每个记录脉冲串中的脉冲数增加1个。 最短记录标记和第二最短记录标记分别由单个脉冲构成。 每个多脉冲串在多个记录标记中具有相等的脉冲宽度和脉冲间隔。
    • 7. 发明申请
    • Optical Data Recording Method
    • 光学数据记录方法
    • US20090097374A1
    • 2009-04-16
    • US12339708
    • 2008-12-19
    • Mamoru ShojiKenji KoishiAtsushi NakamuraTakashi IshidaShuichi Tasaka
    • Mamoru ShojiKenji KoishiAtsushi NakamuraTakashi IshidaShuichi Tasaka
    • G11B7/0045
    • G11B7/24085G11B7/00456G11B11/10506G11B11/1053
    • The optical data recording method comprising the steps of: modulating data to be recorded, to generate a plurality of recording modulation codes; and emitting a pulse-like light beam to an optical disc, so that a plurality of recording marks and spaces which have lengths corresponding to the plurality of recording modulation codes are formed on the optical disc. In the optical data recording method, at least two of the plurality of recording marks comprises: a first pulse which is disposed at a front and forms a leading edge of the recording mark, a last pulse which is disposed at a backend and forms a trailing edge of the recording mark, and a multi-pulse train which is disposed between the first pulse and the last pulse and forms a center of the recording mark. The multi-pulse train has a pulse period longer than T which represents a reference period of the recording modulation code.
    • 该光学数据记录方法包括以下步骤:调制要记录的数据,以产生多个记录调制码; 并向光盘发射脉冲状光束,使得在光盘上形成具有与多个记录调制码对应的长度的多个记录标记和空间。 在光学数据记录方法中,多个记录标记中的至少两个记录标记包括:设置在前面并形成记录标记的前沿的第一脉冲,设置在后端并形成尾部的最后脉冲 记录标记的边缘,以及设置在第一脉冲和最后脉冲之间并形成记录标记的中心的多脉冲串。 多脉冲串具有长于T的脉冲周期,其表示记录调制码的参考周期。