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:
Sep. 06, 2005
Filed:
Apr. 19, 2002
Kazuhito Kurita, Kanagawa, JP;
Kazutaka Noborimoto, Kanagawa, JP;
Norimasa Matsuo, Kanagawa, JP;
Sony Corporation, Tokyo, JP;
Abstract
The present invention provides a recording and/or reproducing apparatus using a magneto-optical disc () as a recording medium, which includes a recording and/or reproducing mechanism () for recording and reproducing information signals to and from the magneto-optical disc () rotatably housed in a disc cartridge (), a support base () which supports the recording and/or reproducing mechanism (), and a impact drive mechanism () which causes the electromechanical-transduction element () to lengthen and shorten corresponding to driving pulses to shift the drive shaft () along the shaft direction thereof so as to cause the movable portion () to slide along the shaft direction of the drive shaft () together with the support base (), and the recording and/or reproducing mechanism () and the impact drive mechanism () are arranged within a projection area of the openings (), () of the disc cartridge () for exposing a part of the magneto-optical disc () to the outside from the inner to the outer circumference thereof