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1. 发明申请

US20120314322A1 Erasure and Servowriting of Magnetic Storage Media having Perpendicular Anisotropy 有权
标题翻译：具有垂直各向异性的磁存储介质的擦除和伺服
公开(公告)号：US20120314322A1
公开(公告)日：2012-12-13
申请号：US13159297
申请日：2011-06-13
申请人： Larold L. Olson , Douglas W. Johnson , Michael P. Sharrock
发明人： Larold L. Olson , Douglas W. Johnson , Michael P. Sharrock
IPC分类号： G11B5/584 , G11B5/78
CPC分类号： G11B5/584 , G11B5/00821
摘要： Magnetic storage tape and techniques for erasing and writing to magnetic storage tape having a perpendicular squareness greater than 50 percent and a longitudinal squareness less than 50 percent are described. In general, the magnetic tape may be biased with a remanence magnetization, or magnetic orientation, in any direction. One or two head systems may use various magnetic field patterns to create the desired remanence magnetization. Servo marks may have a remanence magnetization in an opposite magnetic orientation than that of the remaining bias on the servo track, e.g., substantially perpendicular to the magnetic tape. In some examples, a write head may alternate the direction of the magnetic field to continuously bias and write servo patterns to the magnetic tape. In addition, a symmetrical servo mark may be created in the magnetic tape with a write head having a gap width approximately equal to the length of the servo mark.
摘要翻译：描述了用于擦除和写入具有大于50％的垂直矩形度和小于50％的纵向矩形度的磁存储带的磁存储带和技术。通常，磁带可以以任何方向上的剩余磁化或磁方向偏置。一个或两个头系统可以使用各种磁场图案来产生期望的剩磁。伺服标记可以具有与伺服轨道上的剩余偏置相反的磁取向的剩磁磁化，例如基本垂直于磁带。在一些示例中，写头可以交替磁场的方向以连续地将伺服图案偏置和写入磁带。此外，可以在磁带中产生对称的伺服标记，其中写头的间隙宽度大约等于伺服标记的长度。

2. 发明申请

US20120314320A1 Erasure of Magnetic Storage Media having Perpendicular Anisotropy 有权
标题翻译：具有垂直各向异性的磁存储介质的擦除
公开(公告)号：US20120314320A1
公开(公告)日：2012-12-13
申请号：US13159287
申请日：2011-06-13
申请人： Larold L. Olson , Douglas W. Johnson , Michael P. Sharrock
发明人： Larold L. Olson , Douglas W. Johnson , Michael P. Sharrock
IPC分类号： G11B5/78 , G11B21/10
CPC分类号： G11B5/584 , G11B5/00813 , G11B5/78
摘要： Magnetic storage tape and techniques for erasing and writing to magnetic storage tape having a perpendicular squareness greater than 50 percent and a longitudinal squareness less than 50 percent are described. In general, the magnetic tape may be biased with a remanence magnetization, or magnetic orientation, in any direction. One or two head systems may use various magnetic field patterns to create the desired remanence magnetization. Servo marks may have a remanence magnetization in an opposite magnetic orientation than that of the remaining bias on the servo track, e.g., substantially perpendicular to the magnetic tape. In some examples, a write head may alternate the direction of the magnetic field to continuously bias and write servo patterns to the magnetic tape. In addition, a symmetrical servo mark may be created in the magnetic tape with a write head having a gap width approximately equal to the length of the servo mark.
摘要翻译：描述了用于擦除和写入具有大于50％的垂直矩形度和小于50％的纵向矩形度的磁存储带的磁存储带和技术。通常，磁带可以以任何方向上的剩余磁化或磁方向偏置。一个或两个头系统可以使用各种磁场图案来产生期望的剩磁。伺服标记可以具有与伺服轨道上的剩余偏置相反的磁取向的剩磁磁化，例如基本垂直于磁带。在一些示例中，写头可以交替磁场的方向以连续地将伺服图案偏置和写入磁带。此外，可以在磁带中产生对称的伺服标记，其中写头的间隙宽度大约等于伺服标记的长度。

3. 发明授权

US07889454B2 Distributed servo patterns for data storage media 失效
标题翻译：用于数据存储介质的分布式伺服模式
公开(公告)号：US07889454B2
公开(公告)日：2011-02-15
申请号：US12291703
申请日：2008-11-13
申请人： Douglas W. Johnson , James S. Anderson , David A. Gobran , Denis J. Langlois
发明人： Douglas W. Johnson , James S. Anderson , David A. Gobran , Denis J. Langlois
IPC分类号： G11B5/584 , G11B5/09
CPC分类号： G11B5/584
摘要： The invention is directed to a data storage medium that includes a plurality of servo bands distributed across the data storage medium and a plurality of data tracks positioned between each of the plurality of distributed servo bands. The data storage medium comprises a servo band pitch of less than 200 micrometers. The large number of servo bands distributed across the data storage medium with a relatively small servo band pitch reduces the influence of media dimensional instability. In this way, the invention may substantially increase data read head positioning accuracy, especially in the case of narrow track widths. A read head array arranged in a two-dimensional matrix that includes a first servo read head, a second servo read head, and a plurality of data read heads positioned between the first and second servo read heads may be applied to a data storage medium as described herein.
摘要翻译：本发明涉及一种数据存储介质，其包括分布在数据存储介质上的多个伺服带和位于多个分布式伺服带中的每一个之间的多个数据磁道。数据存储介质包括小于200微米的伺服带间距。分布在具有相对小的伺服频带节距的数据存储介质上的大量伺服频带减少了介质尺寸不稳定性的影响。以这种方式，本发明可以显着增加数据读取头定位精度，特别是在窄轨道宽度的情况下。布置在包括第一伺服读取头，第二伺服读取头和位于第一和第二伺服读取头之间的多个数据读取头的二维矩阵中的读取头阵列可以作为在此描述。

4. 发明授权

US07878745B2 U-nut fastener and collated strip thereof 有权
标题翻译： U形螺母紧固件和整理带
公开(公告)号：US07878745B2
公开(公告)日：2011-02-01
申请号：US12424728
申请日：2009-04-16
申请人： Anthony A. Allen , Don Hinson , John M. Kosidlo , Douglas W. Johnson , Troy D. Carman
发明人： Anthony A. Allen , Don Hinson , John M. Kosidlo , Douglas W. Johnson , Troy D. Carman
IPC分类号： F16B37/02 , B65D85/24
CPC分类号： F16B37/043 , F16B27/00
摘要： A stackable U-nut fastener includes first and second spaced arms and a folded edge portion interconnecting the arms. A plurality of U-nut fasteners can be engaged one with another to form a collated strip of fasteners. A collating tab from one arm of one U-nut fasteners engages an opening in an arm of an adjacent U-nut fastener.
摘要翻译：可堆叠的U形螺母紧固件包括第一和第二间隔开的臂和互连臂的折叠边缘部分。多个U形螺母紧固件可以彼此接合以形成整齐的紧固件条。来自一个U形螺母紧固件的一个臂的整理翼片与相邻U形螺母紧固件的臂中的开口接合。

5. 发明授权

US07835108B2 Data storage tape recertification 失效
标题翻译：数据存储磁带重新认证
公开(公告)号：US07835108B2
公开(公告)日：2010-11-16
申请号：US11824338
申请日：2007-06-28
申请人： Douglas W. Johnson , Yung Yip
发明人： Douglas W. Johnson , Yung Yip
IPC分类号： G11B5/584
CPC分类号： G11B5/0083 , G11B5/584
摘要： The invention is directed to techniques for erasing data storage tape for reuse. In an embodiment, an erase head module for erasing data storage tape comprises a set of erase gaps and one or more servo read elements. The set of erase gaps is configured to coincide with data bands of the data storage tape to allow erasure of only the data bands of the data storage tape while not erasing servo bands of the data storage tape. The one or more servo read elements detect one of the servo bands of the data storage tape when the set of erase gaps are proximate the data bands of the data storage tape to allow the erase head module to accurately track the data bands with the set of erase gaps.
摘要翻译：本发明涉及擦除用于重用的数据存储带的技术。在一个实施例中，用于擦除数据存储带的擦除头模块包括一组擦除间隙和一个或多个伺服读取元件。该组擦除间隙被配置为与数据存储带的数据带一致，以便仅擦除数据存储带的数据带，同时不擦除数据存储带的伺服带。当该组擦除间隙靠近数据存储带的数据带时，一个或多个伺服读取元件检测数据存储带的伺服带中的一个，以允许擦除头模块准确地跟踪数据带的集合消除差距。

6. 发明申请

US20080024905A1 Concurrent servo and data track writing 有权
公开(公告)号：US20080024905A1
公开(公告)日：2008-01-31
申请号：US11497185
申请日：2006-07-31
申请人： Douglas W. Johnson , Denis J. Langlois
发明人： Douglas W. Johnson , Denis J. Langlois
IPC分类号： G11B5/584
CPC分类号： G11B5/584
摘要： The invention is directed to techniques for storing information on a linear data storage medium, such as magnetic tape. According to the invention, a write head array concurrently writes a plurality of data tracks and at least one servo track onto the magnetic tape. In this way, the servo track is integrated between the data tracks. The servo track may, for instance, be located in the middle of a data band, and may span a distance corresponding to two data tracks. By concurrently writing the servo track with the data tracks, track misregistration (TMR) can be reduced or eliminated during the write operation.

7. 发明授权

US07095583B2 Dual mode servo pattern 失效
公开(公告)号：US07095583B2
公开(公告)日：2006-08-22
申请号：US10859376
申请日：2004-06-02
申请人： Douglas W. Johnson , Denis J. Langlois , Richard W. Molstad , Yung Yip
发明人： Douglas W. Johnson , Denis J. Langlois , Richard W. Molstad , Yung Yip
IPC分类号： G11B5/584
CPC分类号： G11B5/584 , G11B5/59633
摘要： A servo pattern is described that facilitates high resolution and wide dynamic range to accurately pinpoint servo track centerlines on a magnetic tape. The servo pattern provides both absolute positioning information over an entire servo band and absolute positioning information relative to the centerline of each servo track included in the servo band. Therefore, the servo pattern includes implicit servo track identification in a single servo band, eliminating the need for conventional track identification marks. In other words, the servo pattern, itself, can distinguish one servo track from another servo track in the single servo band as well as provide highly accurate positioning information relative to each of the servo track centerlines.

8. 发明授权

US06999269B2 Two-sided data storage tape with servo information on both sides of the tape 有权
标题翻译：双面数据存储带，带磁带两侧的伺服信息
公开(公告)号：US06999269B2
公开(公告)日：2006-02-14
申请号：US10664140
申请日：2003-09-17
申请人： Douglas W. Johnson , Richard W. Molstad , Yung Yip
发明人： Douglas W. Johnson , Richard W. Molstad , Yung Yip
IPC分类号： G11B5/584
CPC分类号： G11B5/584
摘要： In general, the invention relates to a data storage tape including servo information on both sides of the tape. Techniques for writing servo information to both sides of the data storage tape are also described. For example, a mechanical arrangement of two servo write heads positioned with respect to the data storage tape can enable two-sided servo recording. In addition, a single servo write head may be used to write servo information to both sides of the data storage tape with the aid of a flux conductor. In that case, the magnetic field of the servo write head passes through the data storage tape to record servo information on both sides of the tape.
摘要翻译：一般来说，本发明涉及一种包括磁带两侧的伺服信息的数据存储带。还描述了将伺服信息写入数据存储磁带的两侧的技术。例如，相对于数据存储带定位的两个伺服写入头的机械布置可以实现双面伺服记录。此外，单个伺服写入头可以用于借助于磁通导体将伺服信息写入数据存储磁带的两侧。在这种情况下，伺服写入磁头的磁场通过数据存储磁带，在磁带的两面记录伺服信息。

9. 发明授权

US06321963B1 Sheet material dispensing apparatus and method 失效
标题翻译：片材配料装置及方法
公开(公告)号：US06321963B1
公开(公告)日：2001-11-27
申请号：US09017325
申请日：1998-02-02
申请人： Dale T. Gracyalny , David Carpenter , Kamala Grasso , Douglas W. Johnson , Peter D. Johnson , John E. Longan , John R. Moody , Hugh L. Smith , Ronald J. Vish
发明人： Dale T. Gracyalny , David Carpenter , Kamala Grasso , Douglas W. Johnson , Peter D. Johnson , John E. Longan , John R. Moody , Hugh L. Smith , Ronald J. Vish
IPC分类号： B26F302
CPC分类号： A47K10/3656 , A47K10/3643 , Y10T83/04 , Y10T83/896 , Y10T225/12 , Y10T225/18 , Y10T225/207 , Y10T225/211 , Y10T225/232 , Y10T225/238 , Y10T225/246 , Y10T225/252 , Y10T225/254 , Y10T225/27 , Y10T225/29 , Y10T225/321 , Y10T225/393
摘要： A dispensing apparatus and method are disclosed for dispensing sheet material from at least one roll of the sheet material. Dispensing is transferred from a stub roll to a reserve roll automatically in response to sensing a predetermined quantity of the stub roll. An isolating element is provided to lift the reserve roll out of contact with dispensing rollers during dispensing of sheet material from the stub roll, and a nipping element is provided to nip sheet material of the reserve roll when dispensing is transferred from the stub roll to the reserve roll. A cam controls movement of both the isolating element and the nipping element. Structure is also provided for sensing the diameter of the reserve roll of sheet material and providing an indication when the reserve roll is a predetermined diameter. The dispenser is quiet and capacity efficient.
摘要翻译：公开了用于从片材的至少一卷分配片材的分配装置和方法。响应于感测到预定量的短线辊，分配被自动地从短棒转移到储备辊。提供隔离元件以在从短棒分配片材时提升储备辊与分配辊不接触，并且提供夹持元件以在将分配从短棒转移到预备卷。凸轮控制隔离元件和夹紧元件的移动。还提供了用于感测片材的预制卷的直径并且当保留卷是预定直径时提供指示的结构。分配器安静，容量高效。

10. 发明授权

US5552946A Compliant rail for shock protection of a PCMCIA DASD 失效
标题翻译：符合PCMCIA DASD防震保护标准
公开(公告)号：US5552946A
公开(公告)日：1996-09-03
申请号：US316696
申请日：1994-09-30
申请人： Bryan W. Bicknese , Jeffrey F. Boigenzahn , Randy J. Bornhorst , Jerome T. Coffey , Todd P. Fracek , Douglas W. Johnson , Richard E. Lagergren , James M. Rigotti , Marvin A. Schlimmer
发明人： Bryan W. Bicknese , Jeffrey F. Boigenzahn , Randy J. Bornhorst , Jerome T. Coffey , Todd P. Fracek , Douglas W. Johnson , Richard E. Lagergren , James M. Rigotti , Marvin A. Schlimmer
IPC分类号： G11B33/08 , G11B33/12
CPC分类号： G11B33/124 , G11B33/08
摘要： A resilient and compliant shock rail is provided on the sides of the bottom cover for a PCMCIA standard Direct Access Storage Device. The shock rails, being of a resilient and easily deformable material, lengthen the impact time and attenuates the shock forces exerted on the DASD, thereby bringing the deceleration forces to acceptable levels. The shock rail may be further provided with low friction surfaces by bonding thin metal plates to the top and bottom surfaces of the shock rails to ease insertion and withdrawal of the PCMCIA DASD. The shock rail is provided with reinforcing members to insure that the keying scheme required for proper insertion is effective.
摘要翻译：用于PCMCIA标准直接存取存储设备的底盖侧面设有弹性和兼容的冲击导轨。由弹性容易变形的材料制成的冲击轨延长了冲击时间并减弱了施加在DASD上的冲击力，从而使减速力达到可接受的水平。冲击轨道还可以通过将薄金属板粘结到冲击轨道的顶面和底面而进一步设置低摩擦表面，以便PCMCIA DASD的插入和取出。冲击导轨配有加固件，以确保正确插入所需的键控方案是有效的。

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