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. 21, 2009
Filed:
Jun. 09, 2006
Hiroshi Ashikaga, Kawasaki, JP;
Shin Tomimoto, Kawasaki, JP;
Hiroshi Ashikaga, Kawasaki, JP;
Shin Tomimoto, Kawasaki, JP;
Fujitsu Limited, Kawasaki, JP;
Abstract
The storage deviceprovides a signal detection method for preventing the degradation of an error rate at the time of information reading, caused by the change of a magnetic characteristic due to a non-uniform magnetic storage medium. The storage devicecomprises a storage mediumfor storing information, a reproduction signal generation unit for generating a reproduction signal, a synch mark pattern detection unitfor detecting a synch mark pattern from the reproduction signal, a filter setting unit for setting filters and filtersfor demodulating the reproduction signal and a data detection unitfor detecting data from the demodulated signal.