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:
Apr. 14, 1992
Filed:
Nov. 20, 1989
Applicant:
Inventors:
Robert D Cronch, Oklahoma City, OK (US);
Larry J Koudele, Louisville, CO (US);
Assignee:
Seagate Technology, Inc., Scotts Valley, CA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G11B / ; G11B / ;
U.S. Cl.
CPC ...
360 46 ; 360 65 ;
Abstract
A raw data signal, of the type generated from magnetic storage systems, is qualified by detecting the highest peak after the raw data signal passes qualification thresholds. This peak is used to indicate the true data pulse location. The location of the highest peak after the raw data signal has passed a minimum qualification threshold may be detected using a transistor circuit for charging a capacitor connected to a comparator or through a tri-level qualification scheme. Using tri-level qualification, a set of comparators and flip flops are used to locate raw data signal peaks.