The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 10, 2006
Filed:
Mar. 28, 2005
Daniel J. Dolan, Jr., Cottage Grove, MN (US);
James P. Howley, Broomfield, CO (US);
Zachary Keirn, Loveland, CO (US);
German Feyh, Boulder, CO (US);
Michael P. Straub, Longmont, CO (US);
Daniel J. Dolan, Jr., Cottage Grove, MN (US);
James P. Howley, Broomfield, CO (US);
Zachary Keirn, Loveland, CO (US);
German Feyh, Boulder, CO (US);
Michael P. Straub, Longmont, CO (US);
Agere Systems Inc., Allentown, PA (US);
Abstract
User data is read from a medium having servo data and user data encoded thereon. The user data is read with a read/write head that is operable in a write mode and a read mode. Servo data is read in a time window following a transition from write mode to read mode, with a frequency passband that has a first low frequency corner. User data is read from the medium after expiration of the time window, with a frequency passband that has a second low frequency corner that is lower than the first low frequency corner.