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:
Aug. 21, 2012
Filed:
Oct. 22, 2010
Yuichi Suzuki, Kanagawa, JP;
Yuichi Suzuki, Kanagawa, JP;
Sony Corporation, Tokyo, JP;
Abstract
A recording and reproducing unit includes: a first optical head having at least one route of laser beam irradiation system that irradiates an optical disc recording medium with a laser beam; a second optical head having plural routes of laser beam irradiation systems that irradiate the optical disc recording medium with laser beams; and a control part that performs control of, while allowing the laser beam irradiation system that the first optical head has to execute recording of information in the optical disc recording medium, allowing the plural laser beam irradiation systems that the second optical head has to execute simultaneous reproducing of the information recorded in the optical disc recording medium.