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:
May. 17, 2005
Filed:
Dec. 16, 2003
Masami Makuuchi, Yokohama, JP;
Ritsurou Orihashi, Yokohama, JP;
Norio Chujo, Shibuya, JP;
Masayoshi Takahashi, Yokohama, JP;
Yoshihiko Hayashi, Setagaya, JP;
Shinji Homma, Ashigarakami, JP;
Masami Makuuchi, Yokohama, JP;
Ritsurou Orihashi, Yokohama, JP;
Norio Chujo, Shibuya, JP;
Masayoshi Takahashi, Yokohama, JP;
Yoshihiko Hayashi, Setagaya, JP;
Shinji Homma, Ashigarakami, JP;
Hitachi, Ltd., Tokyo, JP;
Hitachi High-Tech Electronics Engineering Co., Ltd., Tokyo, JP;
Abstract
A testing apparatus of a magnetic recording medium for conducting a test on the magnetic recording medium by using reproduced data obtained through reproduction of the magnetic medium, including a plurality of conversion means for converting the reproduced data into digital data, holding means for holding the digital data converted by the plurality of conversion means, data processing means for performing a calculation process on the digital data held by the holding means in relation to a magnetic characteristic of the magnetic recording medium, and analysis processing means for performing an analysis to determine whether or not information obtained by the data processing means satisfies a certain condition.