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:
Dec. 02, 2003
Filed:
Feb. 20, 2001
Masahiro Katsumura, Tsurugashima, JP;
Pioneer Corporation, Tokyo, JP;
Abstract
An information recording apparatus and a method therefor which can form a beam guide groove in the shape of highly accurate rectangle having abrupt edges. A recording mark is formed by exposing a recording medium with a recording beam having a beam diameter smaller than the beam guide groove, while periodically vibrating the recording beam in a direction perpendicular to a recording track on the recording medium, or in both horizontal and vertical directions of the recording track. For this purpose, the information recording apparatus for forming a recording mark of a predetermined width in accordance with recording information on a recording surface of an information recording medium comprises, in addition to components conventionally provided therein, recording beam generator for generating a recording beam having a smaller diameter than the width of the recording mark, a displacement information generator for generating displacement information of the recording beam based on the generated recording information, and a beam position controller for offsetting the recording beam based on the displacement information.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile