公开(公告)号：US07974164B2

公开(公告)日：2011-07-05

申请号：US12446879

申请日：2006-10-31

申请人： Yoshio Sasaki ,  Shogo Miyanabe ,  Hiroyuki Uchino

发明人： Yoshio Sasaki ,  Shogo Miyanabe ,  Hiroyuki Uchino

IPC分类号： G11B7/00

CPC分类号： G11B20/10027 ,  G11B7/00456 ,  G11B7/1267 ,  G11B20/10009 ,  G11B20/10046 ,  G11B2220/215 ,  G11B2220/2541 ,  G11B2220/2562

摘要： An information recording apparatus (2) is for forming a record mark corresponding to a recording signal by applying a laser beam to a recording medium, and is provided with: a light source (21) for emitting the laser beam; and a signal generating device (22) for generating a recording pulse signal for driving the light source on the basis of the recording signal, the recording pulse signal includes a mark period and a space period, a level of the recording pulse signal corresponds to a recording power by which waveform distortion is greater than or equal to an upper limit (L) or is less than or equal to a lower limit (−L) of an amplitude limit value on a limit equalizer (15), in the mark period corresponding to a long mark.

摘要翻译： 信息记录装置（2）用于通过对记录介质施加激光来形成与记录信号相对应的记录标记，并且设置有：用于发射激光束的光源（21）; 信号产生装置（22），用于根据记录信号产生用于驱动光源的记录脉冲信号，记录脉冲信号包括标记周期和空间周期，记录脉冲信号的电平对应于 在极限均衡器（15）上的振幅限制值的波形失真大于或等于上限（L）或小于或等于下限（-L）的记录功率，在对应的标记周期 到一个长的标记。

公开(公告)号：US20110013499A1

公开(公告)日：2011-01-20

申请号：US12934760

申请日：2008-04-01

申请人： Hideyuki Muto ,  Shogo Miyanabe ,  Yoshio Sasaki

发明人： Hideyuki Muto ,  Shogo Miyanabe ,  Yoshio Sasaki

IPC分类号： G11B20/00

CPC分类号： G11B7/0037 ,  G11B7/1267 ,  G11B20/10009 ,  G11B20/10481 ,  G11B20/1816 ,  G11B2020/1453 ,  G11B2220/2541

摘要： A recording apparatus (1) is provided with: a detecting device (21) for detecting an appearance frequency of at least one of a signal component of a plurality of types of marks and a signal component of a plurality of types of spaces which have different run lengths and which are included in a read signal read from a recording medium (100) and which have different run lengths which are included in the read signal and which have different run lengths; and a judging device (22) for judging whether or not a jitter obtained from the read signal is effective, on the basis of a change amount of the appearance frequency.

摘要翻译： 一种记录装置（1）具有：检测装置（21），用于检测多种类型的标记的信号分量和具有不同类型的多种类型的空间的信号分量中的至少一个的出现频率 包括在从记录介质（100）读取的读取信号中并且具有包括在读取信号中并且具有不同运行长度的不同运行长度的运行长度; 以及判断装置（22），用于基于出现频率的变化量判断从读取信号获得的抖动是否有效。

公开(公告)号：US20110007614A1

公开(公告)日：2011-01-13

申请号：US12670726

申请日：2007-08-01

申请人： Hiroyuki Uchino ,  Shogo Miyanabe

发明人： Hiroyuki Uchino ,  Shogo Miyanabe

IPC分类号： G11B20/10

CPC分类号： G11B7/1267 ,  G11B7/00456

摘要： A recording apparatus is provided with: a recording device for recording a data pattern onto a recording medium provided with a user data area; a first controlling device for controlling the recording device to record the data pattern for adjusting the recording condition into an area portion which is outer than an end on an outer side of a recording-scheduled area portion and in which the data pattern is scheduled to be recorded; a reading device for reading the data pattern recorded by the control of the first controlling device, thereby obtaining a read signal; a measuring device for measuring jitter of the read signal; an adjusting device for adjusting a recording condition such that the jitter satisfies a desired condition, and a second controlling device for controlling the recording device to start the recording into the recording-scheduled area portion by using the recording condition adjusted by the adjusting device.

摘要翻译： 一种记录装置具有：用于将数据图案记录到设置有用户数据区域的记录介质上的记录装置; 第一控制装置，用于控制记录装置将用于调节记录条件的数据图案记录到外部比记录调度区域部分的外侧上的端部外的区域部分，并且其中数据图案被调度为 记录; 读取装置，用于读取由第一控制装置的控制记录的数据模式，从而获得读取信号; 用于测量读取信号的抖动的测量装置; 调整装置，用于调整记录条件以使得抖动满足所需条件;以及第二控制装置，用于通过使用由调节装置调节的记录条件来控制记录装置开始记录到记录调度区域部分中的第二控制装置。

公开(公告)号：US20100290325A1

公开(公告)日：2010-11-18

申请号：US12671117

申请日：2007-08-01

申请人： Hiroyuki Uchino ,  Shogo Miyanabe ,  Yosshio Sasaki

发明人： Hiroyuki Uchino ,  Shogo Miyanabe ,  Yosshio Sasaki

IPC分类号： G11B7/12

CPC分类号： G11B7/00456 ,  G11B7/1267

摘要： A recording apparatus (1) comprises a first calculating means (22) that calculates an optimum power to be used for recording a data pattern in a recording-scheduled area portion of a radially inner area (111); a first control means (22) that uses the optimum power to record a data pattern in an area portion radially outer than the recording-scheduled area portion; a second calculating means (22) that takes into account a difference between the recording sensitivity of the recording-scheduled area portion and the recording sensitivity of the area portion radially outer than the recording-scheduled area portion to calculate an adjustment power to be used for adjusting the recording condition in the area portion radially outer than the recording-scheduled area portion; a second control means (22) that records, in the area portion radially outer than the recording-scheduled area portion, a data pattern for adjusting the recording condition by use of the adjustment power; a reading means (12) that acquires a read signal; a measuring means (19) that measures the jitter of the read signal; an adjusting means (21) that adjusts the recording condition such that the jitter meets a desired condition; and a third control means (22) that uses the optimum power and adjusted recording condition to start the recording of the data pattern in the recording-scheduled area portion.

摘要翻译： 记录装置（1）包括：第一计算装置（22），其计算用于在径向内部区域（111）的记录调度区域部分中记录数据图案的最佳功率; 第一控制装置（22），其使用最佳功率将数据图案记录在比记录调度区域部分径向外侧的区域部分中; 考虑到记录调度区域部分的记录灵敏度与记录调度区域部分之间的径向外侧的区域部分的记录灵敏度之间的差异的第二计算装置（22），以计算用于 调整在记录预定区域部分的径向外侧的区域部分中的记录条件; 第二控制装置（22），其在所述记录调度区域部分的径向外侧的区域部分中记录用于通过调节功率调节记录条件的数据模式; 读取装置（12），其获取读取信号; 测量所述读取信号的抖动的测量装置（19）; 调节装置（21），其调整所述记录条件使得所述抖动满足所需条件; 以及第三控制装置（22），其使用最佳功率和调整的记录条件开始记录在预定区域部分中的数据模式的记录。

公开(公告)号：US20090252016A1

公开(公告)日：2009-10-08

申请号：US12446819

申请日：2006-10-31

申请人： Yoshio Sasaki ,  Shogo Miyanabe ,  Hiroyuki Uchino

发明人： Yoshio Sasaki ,  Shogo Miyanabe ,  Hiroyuki Uchino

IPC分类号： G11B7/00

CPC分类号： G11B7/0062 ,  G11B7/1267

摘要： An information recording apparatus forms a record mark corresponding to a recording signal by applying a laser beam to a recording medium, and includes: a light source for emitting the laser beam; a signal generating device for generating a recording pulse signal for driving the light source on the basis of the recording signal; a test-writing device for performing test-writing; and a determining device for determining at least one of a power and a pulse width of the recording pulse signal on the basis of a test-writing result, the test-writing device performs the test-writing by changing the power of the recording pulse signal, the determining device determines the power, by which waveform distortion is greater than or equal to an upper limit or is less than or equal to a lower limit of an amplitude limit value on a limit equalizer in the mark period corresponding to the long mark.

摘要翻译： 信息记录装置通过向记录介质施加激光束来形成对应于记录信号的记录标记，并且包括：用于发射激光束的光源; 信号产生装置，用于根据记录信号产生用于驱动光源的记录脉冲信号; 用于执行测试写作的测试写入设备; 以及基于测试写入结果来确定记录脉冲信号的功率和脉冲宽度中的至少一个的确定装置，所述测试写入装置通过改变记录脉冲信号的功率来执行测试写入 决定装置确定波形失真大于或等于上限的功率，或小于或等于对应于长标记的标记周期内的限制均衡器上的振幅限制值的下限。

公开(公告)号：US08107341B2

公开(公告)日：2012-01-31

申请号：US12517273

申请日：2006-12-05

申请人： Yoshio Sasaki ,  Shogo Miyanabe ,  Hiroyuki Uchino

发明人： Yoshio Sasaki ,  Shogo Miyanabe ,  Hiroyuki Uchino

IPC分类号： G11B5/09

CPC分类号： G11B20/10009 ,  G11B20/10037 ,  G11B20/10046 ,  G11B20/10481 ,  G11B2020/1287 ,  G11B2220/2541 ,  G11B2220/2562

摘要： An information reproducing apparatus (1) is provided with: a judging device (20) for judging whether or not a read signal (RRF) read from a recording medium (100) satisfies a desired reproduction property; a correcting device (18) for correcting waveform distortion occurring in a read signal corresponding to a long mark, of the read signal if it is judged that the read signal does not satisfy the desired reproduction property; and a waveform equalizing device (15) for performing a waveform equalization process on the read signal in which the waveform distortion is corrected.

摘要翻译： 一种信息再现装置（1）具有：判断装置（20），用于判断从记录介质（100）读取的读取信号（RRF）是否满足期望的再现特性; 校正装置（18），用于如果判断出读取信号不满足期望的再现性质，则校正读出信号对应于长标记的读取信号中出现的波形失真; 以及用于对其中校正波形失真的读取信号执行波形均衡处理的波形均衡装置（15）。

公开(公告)号：US08094534B2

公开(公告)日：2012-01-10

申请号：US12517256

申请日：2006-12-05

申请人： Yoshio Sasaki ,  Shogo Miyanabe ,  Hiroyuki Uchino

发明人： Yoshio Sasaki ,  Shogo Miyanabe ,  Hiroyuki Uchino

IPC分类号： G11B5/09

CPC分类号： G11B20/10314 ,  G11B20/10009 ,  G11B20/10037 ,  G11B20/10046 ,  G11B20/10055 ,  G11B20/10212 ,  G11B20/10481 ,  G11B2220/2541 ,  G11B2220/2562

摘要： An information reproducing apparatus (1) is provided with: a waveform shaping device (14) for performing waveform shaping on a read signal (RRF) read from a recording medium (100), on the basis of a reference amplification factor; a correcting device (18) for correcting waveform distortion occurring in a read signal corresponding to at least a long mark, of the read signal on which the waveform shaping is performed; and a waveform equalizing device (15) for performing a waveform equalization process on the read signal in which the waveform distortion is corrected, the waveform shaping device arbitrarily increases the reference amplification factor.

摘要翻译： 信息再现装置（1）具有：基于参考放大系数对从记录介质（100）读取的读取信号（RRF）进行波形整形的波形整形装置（14）; 校正装置（18），用于校正在执行波形整形的读取信号中对应于至少长标记的读取信号中出现的波形失真; 以及用于对其中校正波形失真的读取信号执行波形均衡处理的波形均衡装置（15），波形整形装置任意地增加参考放大系数。

公开(公告)号：US08059511B2

公开(公告)日：2011-11-15

申请号：US12517427

申请日：2006-12-05

申请人： Yoshio Sasaki ,  Shogo Miyanabe ,  Hiroyuki Uchino

发明人： Yoshio Sasaki ,  Shogo Miyanabe ,  Hiroyuki Uchino

IPC分类号： G11B20/10

CPC分类号： G11B20/10009 ,  G11B20/10055 ,  G11B20/10111 ,  G11B20/1012 ,  G11B2220/2541

摘要： An information reproducing apparatus (1) is provided with: a correcting device (18) for correcting waveform distortion occurring in a read signal corresponding to a long mark, of a read signal (RRF) read from a recording medium (100); and a processing device (15) for performing a PRML (Partial Response Maximum Likelihood) process on the read signal in which the waveform distortion is corrected.

摘要翻译： 一种信息再现装置（1）具有：校正装置（18），用于校正从与记录介质（100）读取的读取信号（RRF）相对应的长标记的读取信号中发生的波形失真; 以及用于对其中校正波形失真的读取信号执行PRML（部分响应最大似然）处理的处理装置（15）。

公开(公告)号：US07978571B2

公开(公告)日：2011-07-12

申请号：US12670729

申请日：2007-08-01

申请人： Shogo Miyanabe ,  Hiroyuki Uchino ,  Yoshio Sasaki

发明人： Shogo Miyanabe ,  Hiroyuki Uchino ,  Yoshio Sasaki

IPC分类号： G11B15/52

CPC分类号： G11B7/00456 ,  G11B7/1267 ,  G11B20/10009 ,  G11B20/10481 ,  G11B20/1879 ,  G11B2020/183 ,  G11B2220/2537

摘要： A recording apparatus (1) is provided with: a recording device (11) for recording a data pattern onto a recording medium (100); a first controlling device (22) for stopping the recording; a reading device (11) for reading the data pattern which is recorded immediately before the recording is stopped, thereby obtaining a read signal; a measuring device (19) for measuring jitter of the read signal; an adjusting device (21) for adjusting a recording condition such that the jitter satisfies a desired condition, and a second controlling device (22) for restarting the recording of the data pattern by using the adjusted recording condition.

摘要翻译： 一种记录装置（1）具有：用于将数据图案记录到记录介质（100）上的记录装置（11）; 用于停止记录的第一控制装置（22）; 用于读取紧接在记录之前被记录的数据模式的读取装置（11），从而获得读取信号; 用于测量读取信号的抖动的测量装置（19）; 用于调整记录条件以使得抖动满足所需条件的调节装置（21）和用于通过使用调整后的记录条件来重新启动数据模式的记录的第二控制装置（22）。

公开(公告)号：US20100080099A1

公开(公告)日：2010-04-01

申请号：US12517427

申请日：2006-12-05

申请人： Yoshio Sasaki ,  Shogo Miyanabe ,  Hiroyuki Uchino

发明人： Yoshio Sasaki ,  Shogo Miyanabe ,  Hiroyuki Uchino

IPC分类号： G11B20/18

CPC分类号： G11B20/10009 ,  G11B20/10055 ,  G11B20/10111 ,  G11B20/1012 ,  G11B2220/2541

摘要： An information reproducing apparatus (1) is provided with: a correcting device (18) for correcting waveform distortion occurring in a read signal corresponding to a long mark, of a read signal (RRF) read from a recording medium (100); and a processing device (15) for performing a PRML (Partial Response Maximum Likelihood) process on the read signal in which the waveform distortion is corrected

摘要翻译： 一种信息再现装置（1）具有：校正装置（18），用于校正从与记录介质（100）读取的读取信号（RRF）相对应的长标记的读取信号中发生的波形失真; 以及用于对其中校正波形失真的读取信号执行PRML（部分响应最大似然）处理的处理装置（15）