Method for recording and reproducing information by pre-pits detection
    1.
    发明授权
    Method for recording and reproducing information by pre-pits detection 有权
    通过预坑检测记录和再现信息的方法

    公开(公告)号:US06295258B1

    公开(公告)日:2001-09-25

    申请号:US09658991

    申请日:2000-09-11

    IPC分类号: G11B509

    摘要: A beam is irradiated to an information recording medium having land tracks and groove tracks alternately formed on a track formed in turn on an information recording surface thereof and pre-pits so pre-formatted as to deviate from the center of the track, a return beam of the irradiated beam is received by detectors split into two parts in a track direction to obtain a differential signal, the pre-pit is detected from this differential signal and control of recording and reproducing processings is executed by using the pre-pit detection signal so obtained as the reference.

    摘要翻译: 将光束照射到信息记录介质上,该信息记录介质具有交替地形成在其信息记录表面上形成的轨迹上的槽脊轨道和凹槽轨道,并且如预先格式化的预凹坑偏离轨道的中心,返回光束 照射光束的光束由轨道方向分成两部分的检测器接收,以获得差分信号,从该差分信号检测预凹坑,并通过使用预凹坑检测信号来执行记录和再现处理的控制 获得作为参考。

    Method and apparatus for recording/reproducing by pre-pits detection
    2.
    发明授权
    Method and apparatus for recording/reproducing by pre-pits detection 失效
    用于通过预坑检测记录/再现的方法和装置

    公开(公告)号:US06188654B1

    公开(公告)日:2001-02-13

    申请号:US09100810

    申请日:1998-06-22

    IPC分类号: G11B509

    摘要: A beam is irradiated to an information recording medium having land tracks and groove tracks alternately formed on a track formed in turn on an information recording surface thereof and pre-pits so pre-formatted as to deviate from the center of the track, a return beam of the irradiated beam is received by detectors split into two parts in a track direction to obtain a differential signal, the pre-pit is detected from this differential signal and control of recording and reproducing processings is executed by using the pre-pit detection signal so obtained as the reference.

    摘要翻译: 将光束照射到信息记录介质上,该信息记录介质具有交替地形成在其信息记录表面上形成的轨迹上的槽脊轨道和凹槽轨道,并且如预先格式化的预凹坑偏离轨道的中心,返回光束 照射光束的光束由轨道方向分成两部分的检测器接收,以获得差分信号,从该差分信号检测预凹坑,并通过使用预凹坑检测信号来执行记录和再现处理的控制 获得作为参考。

    Optical information recording/reproducing apparatus
    3.
    发明授权
    Optical information recording/reproducing apparatus 失效
    光信息记录/重放装置

    公开(公告)号:US06754144B1

    公开(公告)日:2004-06-22

    申请号:US09506272

    申请日:2000-02-17

    IPC分类号: G11B700

    CPC分类号: G11B7/0901 G11B7/24082

    摘要: In an optical information recording/reproducing apparatus, in which two sets of circuits (including a comparator 104 and a time counting device 105 (i.e., pulse width detector), and a comparator 110 and a time counting device 111 (i.e., pulse width detector)) are provided for detecting that the fluctuation larger than a comparison level continues in the TE signal for a time period, each being set at the respective comparison level and the time duration, differently, thereby the operation of write or erase onto an optical disc 101 is stopped even if only one of them is detected. Also, a position or location information in the PID portion to be reproduced, being outputted from a PID register 107, and a location information which is read out by the PID decoder 106 are compared by a comparator 108, thereby stopping the operation of write or erase onto the optical disc 101 if they are inconsistent with.

    摘要翻译: 在其中包括两组电路(包括比较器104和时间计数装置105(即,脉冲宽度检测器))以及比较器110和时间计数装置111(即,脉冲宽度检测器)的光学信息记录/再现装置中 ))被提供用于检测大于比较电平的波动在TE信号中持续一段时间,每个时间段被设置在相应的比较电平和持续时间,因此写入或擦除到光盘上的操作 即使只检测到其中一个,也停止101。 此外,由PID寄存器107输出的要再现的PID部分中的位置或位置信息和由PID解码器106读出的位置信息由比较器108进行比较,从而停止写入或 如果光盘101不一致则擦去光盘101。

    Method and apparatus for optical recording and reproducing with tracking servo reducing track offset
    4.
    再颁专利
    Method and apparatus for optical recording and reproducing with tracking servo reducing track offset 有权
    具有跟踪伺服减少磁道偏移的光学记录和再现的方法和装置

    公开(公告)号:USRE39013E1

    公开(公告)日:2006-03-14

    申请号:US10633655

    申请日:2003-08-05

    IPC分类号: G11B7/095

    CPC分类号: G11B7/094

    摘要: Disclosed is an optical recording and reproducing apparatus comprising a light source directing a light spot toward a recording medium, a detection system detecting light reflected from the recording medium to derive an electrical signal from the reflected light, an information processing circuit modulating the intensity of the light spot according to writing pulses to record information on the recording medium and using the electrical signal to reproduce information from the recording medium, and a tracking servo circuit carrying out tracking servo operation on the basis of the electrical signal and including an extracting circuit connected to a source of extracting pulses having a pulse width at least equal to the writing pulse width so that writing pulse parts contained in the electrical signal are extracted during recording information, whereby a track offset occurring during information recording can be minimized, and the stability of the tracking servo system can be improved.

    摘要翻译: 公开了一种光学记录和再现装置,包括将光点引向记录介质的光源;检测系统,其检测从记录介质反射的光以从反射光导出电信号;信息处理电路, 根据写入脉冲的光点,以记录在记录介质上的信息并使用电信号从记录介质再现信息;以及跟踪伺服电路,其基于电信号执行跟踪伺服操作,并且包括提取电路, 提取具有至少等于写入脉冲宽度的脉冲宽度的脉冲的源,从而在记录信息期间提取包含在电信号中的写入脉冲部分,由此可以最小化信息记录期间发生的磁道偏移,并且稳定性 跟踪伺服系统可以提高。

    Information recording/reproducing apparatus
    5.
    发明授权
    Information recording/reproducing apparatus 失效
    信息记录/重放装置

    公开(公告)号:US06301211B1

    公开(公告)日:2001-10-09

    申请号:US09291280

    申请日:1999-04-14

    IPC分类号: G11B700

    摘要: An information recording/reproducing apparatus for recording/reproducing information into and from an optical information recording medium, wherein the information of a plurality of sectors is recorded as one recording unit. A recoding area of the recording medium is constructed with a plurality of zones and each zone is different in a sector number per one round of track. A number of the recording units for conducting a verify control for each of the zones is changed on the basis of a number of sectors per one round of track and a number of sectors for turning back by the one round of track.

    摘要翻译: 一种用于将光信息记录介质中的信息记录/再现的信息记录/再现装置,其中将多个扇区的信息记录为一个记录单元。 记录介质的记录区域由多个区域构成,并且每个区域每个轨道的扇区数不同。 用于对每个区域进行验证控制的多个记录单元基于每一轮轨道的扇区数和通过一轮轨道返回的扇区数量而改变。

    Method and apparatus for optical recording and reproduction with
tracking servo reducing track offset
    9.
    发明授权
    Method and apparatus for optical recording and reproduction with tracking servo reducing track offset 失效
    用于跟踪跟踪减少跟踪偏移的光学记录和再现的方法和装置

    公开(公告)号:US5105409A

    公开(公告)日:1992-04-14

    申请号:US230971

    申请日:1988-08-11

    IPC分类号: G11B7/00 G11B7/0045 G11B7/09

    CPC分类号: G11B7/094

    摘要: Disclosed is an optical recording and reproducing apparaus comprising a light source directing a light spot toward a recording medium, a detection system detecting light reflected from the recording medium to derive an electrical signal from the reflected light, an information processing circuit modulating the intensity of the light spot according to writing pulses to record information on the recording medium and using the electrical signal to reproduce information from the recording medium, and a tracking servo circuit carrying out tracking servo operation on the basis of the electrical signal and including an extracting circuit connected to a source of extracting pulses having a pulse width at least equal to the writing pulse width so that writing pulse parts contained in the electrical signal are extracted during recording information, whereby a track offset occurring during information recording can be minimized, and the stability of the tracking servo system can be improved.

    Information recording/reproducing apparatus
    10.
    发明授权
    Information recording/reproducing apparatus 失效
    信息记录/重放装置

    公开(公告)号:US07031244B2

    公开(公告)日:2006-04-18

    申请号:US10855341

    申请日:2004-05-28

    IPC分类号: G11B7/00

    摘要: An information recording apparatus and method for recording information of a recording block including a plurality of sectors as one verifying unit into an optical information recording medium, a recording area of the optical information recording medium including a plurality of zones, and wherein each zone is different in a sector number per round of a track. A recorder records information of a plurality of recording blocks into the optical information recording medium and a verification conductor conducts a verify control. A number of the recording block included in the verifying unit is determined to be a minimal number in a rotation waiting sector number.

    摘要翻译: 一种信息记录装置和方法,用于将包括多个扇区的记录块的信息作为一个验证单元记录到光学信息记录介质中,所述光学信息记录介质的记录区域包括多个区域,并且其中每个区域不同 在每轮的轨道中的扇区号。 记录器将多个记录块的信息记录到光学信息记录介质中,并且验证导体进行验证控制。 包括在验证单元中的记录块的数量被确定为旋转等待扇区号中的最小数量。