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:
Feb. 27, 2001
Filed:
Jul. 29, 1998
Yoshiyuki Yanagimoto, Hyogo, JP;
Hiroaki Ugawa, Hyogo, JP;
Atsushi Hattori, Hyogo, JP;
Nobuhiro Shitara, Hyogo, JP;
Hewlett-Packard Company, Palo Alto, CA (US);
Abstract
The invention is directed toward a measuring apparatus for measuring performance characteristics of a recording unit including a recording medium on which one track is divided into a plurality of sectors. The measuring apparatus includes a writing means for writing a write signal with a write parameter, a first control means for changing the write parameter value for respective sectors, a reading means for reading out the write signal written by the writing means with a read parameter and measuring the read-out write signal as a read signal, and a second control means for controlling the read parameter so as to produce predetermined read parameter values for respective sectors.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile