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1. 发明申请

US20060204209A1 Pause strategy for magnetic tape recording 审中-公开
标题翻译：暂停磁带录音策略
公开(公告)号：US20060204209A1
公开(公告)日：2006-09-14
申请号：US11075818
申请日：2005-03-09
申请人： Michael Blatchley , Paul Newsome , Richard McAuliffe , Randall Bauck
发明人： Michael Blatchley , Paul Newsome , Richard McAuliffe , Randall Bauck
IPC分类号： H04N5/91
CPC分类号： G11B27/36 , G11B15/1825 , G11B27/107 , G11B2220/91
摘要： A helical scan tape recorder (30) comprises a rotatable scanner (84) and a transport system for transporting magnetic tape proximate the rotatable scanner in a manner so that information is recorded during a revolution of the scanner. A controller performs a pause routine (120) for pausing during a recording operation on tape. The pause routine, when executed, performs the steps of: determining a tape pause position reference value indicative of a pre-pause last recording position on the tape; recording an erase signal on the tape after the pre-pause last recording position; rewinding the tape; transporting the tape in a forward direction and obtaining a current tape position value; determining when the current tape position value reaches a predetermined value relative to the tape pause position reference value; and at beginning of a next revolution of the scanner, commencing recording of one or more post-pause stripes on the tape. In an example implementation, the predetermined value relative to the tape pause position reference value is a sum of the tape pause position reference value and an offset.
摘要翻译：螺旋扫描磁带录像机（30）包括可旋转的扫描器（84）和用于以可在扫描仪转动期间记录信息的方式传送靠近可旋转扫描器的磁带的传送系统。控制器执行在磁带上的记录操作期间暂停的暂停例程（120）。暂停程序在执行时执行以下步骤：确定表示磁带上的暂停前最后记录位置的磁带暂停位置参考值; 在预暂停最后记录位置之后，在磁带上记录擦除信号; 倒带; 沿前进方向传送磁带并获得当前磁带位置值; 确定当前磁带位置值何时相对于磁带暂停位置参考值达到预定值; 并且在扫描仪的下一个旋转开始时，开始在磁带上记录一个或多个后暂停条纹。在示例实现中，相对于磁带暂停位置参考值的预定值是磁带暂停位置参考值和偏移量之和。

2. 发明授权

US06603618B1 Method and system for monitoring and adjusting tape position using control data packets 有权
标题翻译：使用控制数据包监控和调整磁带位置的方法和系统
公开(公告)号：US06603618B1
公开(公告)日：2003-08-05
申请号：US09193030
申请日：1998-11-16
申请人： Richard McAuliffe , Frederick G. Munro , Paul Newsome , Thomas E. Zaczek
发明人： Richard McAuliffe , Frederick G. Munro , Paul Newsome , Thomas E. Zaczek
IPC分类号： G11B509
CPC分类号： G11B15/05 , G11B15/06 , G11B15/14 , G11B15/1816 , G11B15/1875 , G11B15/4673 , G11B15/48 , G11B15/52 , G11B15/54 , G11B27/102 , G11B27/107 , G11B27/13 , G11B27/3027 , G11B2220/90
摘要： A method and system for monitoring and/or adjusting the positioning of a magnetic tape using central control packets that are recorded to the tape is presented. Central control packets are used for adjusting the timing of the read head signal over the tape, adapting the reel count to that of the drive at the time the tape was recorded, and monitoring filemarks for logical tape positioning.
摘要翻译：提出了使用记录到磁带的中央控制分组来监视和/或调整磁带的定位的方法和系统。中央控制包用于通过磁带调整读取磁头信号的定时，在磁带记录时将磁带盘数量调整到驱动器的数量，并监视逻辑磁带定位的文件标记。

3. 发明授权

US06421805B1 Rogue packet detection and correction method for data storage device 失效
标题翻译：数据存储设备的盗贼包检测和纠正方法
公开(公告)号：US06421805B1
公开(公告)日：2002-07-16
申请号：US09192809
申请日：1998-11-16
申请人： Richard McAuliffe
发明人： Richard McAuliffe
IPC分类号： H03M1300
CPC分类号： H03M13/091 , G06F11/10
摘要： A method for detecting the location of falsely detected “good” data, or “rogue”, packets in a data buffer is presented. A segment-level CRC is generated over, and associated with, a buffer segment, and recorded along with the segment data onto a storage medium. During data recovery, only packets that pass a packet-level error detection test are allowed in the data buffer. Once a data segment is complete, a segment-level CRC test is performed over the recovered segment-level CRC and the entire recovered segment data. The segment contains a rogue packet if the segment-level CRC test fails. Reed-Solomon syndromes are generated and used to locate and optionally correct the rogue packets.
摘要翻译：提出了一种在数据缓冲器中检测错误检测到的“好”数据或“流氓”数据包的位置的方法。在缓冲区段上产生段级CRC，并且与段数据一起被记录在存储介质上。在数据恢复期间，只有通过数据包级错误检测测试的数据包才允许在数据缓冲区中。一旦数据段完成，对恢复的段级CRC和整个恢复的段数据执行段级CRC测试。如果段级CRC测试失败，则该段包含恶意数据包。生成Reed-Solomon综合征并用于定位和可选地纠正流氓包。

4. 发明申请

US20060203367A1 Data randomization for rewriting in recording/reproduction apparatus 有权
标题翻译：用于在记录/再现设备中重写的数据随机化
公开(公告)号：US20060203367A1
公开(公告)日：2006-09-14
申请号：US11074937
申请日：2005-03-09
申请人： Richard McAuliffe , Paul Newsome
发明人： Richard McAuliffe , Paul Newsome
IPC分类号： G11B20/10
CPC分类号： G11B20/1879 , G11B20/1201 , G11B20/1426 , G11B2020/183 , G11B2220/91
摘要： A data recording/recovery device (20) comprises a packet generator (34) for including recordable information into a packet (44), the packet initially having a nominal run length limited (RLL) sequence if it were RLL encoded. A randomizer (38) uses a randomizer input value (50) to obtain a modified packet (46) which, when encoded, will at least partially have a different run length limited sequence than the nominal run length limited sequence. A write channel (40) records the modified packet (46) as a track packet at a destination physical location (42) on a storage medium (22). The randomizer input value (50) used to obtain the modified packet (46) is related to a predetermined physical location on the storage medium. In one example embodiment the randomizer input value is related to the destination physical location on the storage medium.
摘要翻译：数据记录/恢复装置（20）包括用于将可记录信息包括在分组（44）中的分组生成器（34），如果RLL被编码，则该分组首先具有标称游程长度限制（RLL）序列。随机化器（38）使用随机化器输入值（50）来获得修改的分组（46），其被编码时将至少部分地具有与标称游程长度限制序列不同的游程长度限制序列。写通道（40）将经修改的分组（46）作为轨道分组记录在存储介质（22）上的目的地物理位置（42）。用于获得修改的分组（46）的随机化器输入值（50）与存储介质上的预定物理位置有关。在一个示例实施例中，随机化器输入值与存储介质上的目的地物理位置相关。

5. 发明授权

US06367048B1 Method and apparatus for logically rejecting previously recorded track residue from magnetic media 失效
标题翻译：用于从磁介质逻辑地排除先前记录的磁道残留物的方法和装置
公开(公告)号：US06367048B1
公开(公告)日：2002-04-02
申请号：US09192794
申请日：1998-11-16
申请人： Richard McAuliffe , Thomas E. Zaczek
发明人： Richard McAuliffe , Thomas E. Zaczek
IPC分类号： G11B2018
CPC分类号： G11B20/10 , G11B15/026 , G11B20/1833 , G11B27/107 , G11B27/3027 , G11B2220/90
摘要： A method for logically rejecting previously recorded track residue from magnetic media is presented. A session ID unique to a given recording session is encoded into track packet error check and error correction codes but is not itself actually written to tape. During a data recovery session, a reference session ID for the original recording session is acquired by reconstructing the packet session ID from the first few track packets and verifying that a predetermined number of consecutive track packets have identical packet session IDs. Once the reference packet session ID is acquired, it is preloaded into error detection and correction hardware. When a residue track encoded with a previously recorded session ID is recovered by the tape drive track packet detection circuitry, it is inherently rejected because the error detection and correction hardware detects an error and it is therefore never allowed into the data buffer.
摘要翻译：提出了一种从磁介质中逻辑拒绝先前记录的磁道残留的方法。给定记录会话特有的会话ID被编码成磁道分组错误检查和纠错码，但本身并不实际写入磁带。在数据恢复会话期间，通过从前几个磁道分组重构分组会话ID并且验证预定数量的连续磁道分组具有相同的分组会话ID来获取原始记录会话的参考会话ID。一旦获取了参考分组会话ID，就将其预加载到错误检测和校正硬件中。当通过磁带驱动器磁道分组检测电路恢复用先前记录的会话ID编码的残余磁迹时，由于错误检测和校正硬件检测到错误并且因此从不允许进入数据缓冲器，所以本质上被拒绝。

6. 发明授权

US06308298B1 Method of reacquiring clock synchronization on a non-tracking helical scan tape device 失效
标题翻译：在非追踪螺旋扫描磁带设备上重新获取时钟同步的方法
公开(公告)号：US06308298B1
公开(公告)日：2001-10-23
申请号：US09192808
申请日：1998-11-16
申请人： Michael A. Blatchley , Richard McAuliffe
发明人： Michael A. Blatchley , Richard McAuliffe
IPC分类号： H03M1300
CPC分类号： G11B20/1403 , G11B20/18
摘要： A method and apparatus for reacquiring synchronization of a clock synchronization signal with a data signal in a non-tracking storage device is presented. A packet error detector detects errors in data packets from a data signal and generates a packet error status for each reconstructed packet. A read quality detector monitors the packet error status and determines whether the quality of the data signal is of an acceptable versus unacceptable read quality condition. The read quality condition is based on the number of consecutive packets in which an error is detected. Upon detection of an unacceptable read quality condition, the read channel is disabled and the clock synchronize signal is relocked to a known reference frequency. The read channel is then reenabled and the clock synchronization signal is relocked to the data signal.
摘要翻译：提出了一种用于在非跟踪存储设备中重新获取时钟同步信号与数据信号的同步的方法和装置。分组错误检测器从数据信号中检测数据分组中的错误，并为每个重构的分组生成分组错误状态。读取质量检测器监测分组错误状态，并确定数据信号的质量是否是可接受的与不可接受的读取质量状况。读取质量条件基于检测到错误的连续数据包的数量。在检测到不可接受的读取质量状况时，读取通道被禁止并且时钟同步信号被重新锁定到已知的参考频率。读通道然后重新使能，时钟同步信号被重新锁定到数据信号。

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