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:
Jan. 27, 2004
Filed:
Dec. 17, 2002
Hideki Saga, Kokubunji, JP;
Hiroaki Nemoto, Kokubunji, JP;
Hirofumi Sukeda, Tokorozawa, JP;
Masahiko Takahashi, Uenohara, JP;
Kimio Nakamura, Kokubunji, JP;
Yohji Maruyama, Iruma, JP;
Hiroshi Ide, Kodaira, JP;
Takehiko Hamaguchi, Fuchu, JP;
Hitachi, Ltd., Tokyo, JP;
Abstract
A method for reproducing information on a recording medium includes irradiating electromagnetic energy or light to the recording medium from one side with respect to the recording medium, applying a recording magnetic field to an electromagnetic energy or light irradiated position on the recording medium from the one side of irradiating electromagnetic energy or light, and detecting magnetic leakage flux emerging from the recording medium from the one side of irradiating electromagnetic energy or light.