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. 13, 2005
Filed:
Jun. 10, 2002
Applicants:
Hironobu Tanase, Kanagawa, JP;
Kenji Yamamoto, Kanagawa, JP;
Gakuji Hashimoto, Saitama, JP;
Inventors:
Assignee:
Sony Corporation, , JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G11B007/09 ;
U.S. Cl.
CPC ...
Abstract
The present invention can simplify and miniaturize an optical pickup and further can prevent the deterioration of various characteristics even if an aberration correction mechanism is composed of a liquid crystal and the like by transmitting a drive signal of an actuator and a drive signal of an aberration correction mechanism by multiplexing them.
Tanase, Hironobu. (2005). Method of moving optical pickup, optical pickup, and optical disc apparatus (U.S. Patent No. 6944104). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6944104
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile