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:
Mar. 04, 2003
Filed:
Dec. 18, 2001
Applicant:
Inventors:
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B 7/00 ;
U.S. Cl.
CPC ...
G11B 7/00 ;
Abstract
An information recording apparatus for recording data by applying energy to a recording medium to form thereon local physical changes of the medium includes a total energy irradiating amount discriminating unit for discriminating a total energy irradiating amount of each mark and each space when data is recorded, and a recording energy irradiating unit for switching between at least two levels of the total energy irradiating amount during a mark non-forming period, in accordance with results discriminated by the total energy irradiating amount discriminating unit. The at least two levels may be at least two mutually different levels.