Invention Grant
US08472130B2 Track-dependent data randomization mitigating false VFO detection
有权
跟踪依赖的数据随机化减轻虚假的VFO检测
- Patent Title: Track-dependent data randomization mitigating false VFO detection
- Patent Title (中): 跟踪依赖的数据随机化减轻虚假的VFO检测
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Application No.: US13459367Application Date: 2012-04-30
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Publication No.: US08472130B2Publication Date: 2013-06-25
- Inventor: Roy Daron Cideciyan , Thomas Mittelholzer , Paul J. Seger , Keisuke Tanaka
- Applicant: Roy Daron Cideciyan , Thomas Mittelholzer , Paul J. Seger , Keisuke Tanaka
- Applicant Address: US NY Armonk
- Assignee: International Business Machines Corporation
- Current Assignee: International Business Machines Corporation
- Current Assignee Address: US NY Armonk
- Agency: Nelson and Nelson
- Agent Daniel P. Nelson; Alexis V. Nelson
- Main IPC: G11B20/10
- IPC: G11B20/10

Abstract:
A method for randomizing data to mitigate false VFO detection is described. In one embodiment, such a method includes simultaneously receiving multiple input data streams. Each input data stream is associated with a different track on a magnetic tape medium. The input data streams are simultaneously scrambled to produce multiple randomized data streams. The input data streams are scrambled such that different bit patterns are produced in the randomized data streams even where corresponding bit patterns in the input data streams are identical. The randomized data streams are simultaneously written to their associated data tracks on the magnetic tape medium.
Public/Granted literature
- US20120307389A1 TRACK-DEPENDENT DATA RANDOMIZATION MITIGATING FALSE VFO DETECTION Public/Granted day:2012-12-06
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