Dynamic magnetic information storage or retrieval – Automatic control of a recorder mechanism – Controlling the head
Reexamination Certificate
2011-02-01
2011-02-01
Tzeng, Fred (Department: 2627)
Dynamic magnetic information storage or retrieval
Automatic control of a recorder mechanism
Controlling the head
Reexamination Certificate
active
07881008
ABSTRACT:
A servo pattern, including stripes arranged in servo bursts for use in position error signal (PES) generation, is provided in which a stripe width is narrower than 1.7 μm and in which the stripes are oriented at an azimuth angle which in absolute value is equal to or larger than 6 degrees.
REFERENCES:
patent: 5068757 (1991-11-01), Hughes et al.
patent: 5689384 (1997-11-01), Albrecht et al.
patent: 5930065 (1999-07-01), Albrecht et al.
patent: 6021013 (2000-02-01), Albrecht et al.
patent: 6141174 (2000-10-01), Judge et al.
patent: 6169640 (2001-01-01), Fasen
patent: 6282051 (2001-08-01), Albrecht et al.
patent: 6542235 (2003-04-01), Caskey et al.
patent: 6842305 (2005-01-01), Mosltad et al.
patent: 6879457 (2005-04-01), Eaton et al.
patent: 6943979 (2005-09-01), Goker et al.
patent: 7142388 (2006-11-01), Tateishi et al.
patent: 7245453 (2007-07-01), Koski et al.
patent: 7522371 (2009-04-01), Koski et al.
patent: 7522372 (2009-04-01), Koski et al.
patent: 7602578 (2009-10-01), Tateishi et al.
patent: 7742254 (2010-06-01), Cherubini et al.
patent: 2005/0259349 (2005-11-01), Koski et al.
patent: 2008/0285171 (2008-11-01), Tanaka et al.
Douglas W. Johnson, “Modified time-based servo enables increased track density on tape”; http://www.thefreelibrary.com; Mar. 20, 2008/ pp. 1-3; Disaster Recovery & Backup/Restore, Computer Technology Review, Aug. 1, 2005.
Giovanni Cherubini et al.; “Servo Channel for Tape Drive Systems”; U.S. Appl. No. 11/969,184, filed Jan. 3, 2008.
Cherubini Giovanni
Cideciyan Roy D.
Dellmann Laurent A.
Eleftheriou Evangelos S.
Lantz Mark A.
Cantor & Colburn LLP
International Business Machines - Corporation
Kaufman Stephen
Tzeng Fred
LandOfFree
Joint specification of servo format and servo reader... does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Joint specification of servo format and servo reader..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Joint specification of servo format and servo reader... will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-2644598