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:
May. 04, 2010
Filed:
Dec. 28, 2005
Applicant:
Toru Washiyama, Kawasaki, JP;
Inventor:
Toru Washiyama, Kawasaki, JP;
Assignee:
Toshiba Samsung Storage Technology Corporation, Kawasaki, JP;
Primary Examiner:
Int. Cl.
CPC ...
H01S 3/04 (2006.01);
U.S. Cl.
CPC ...
Abstract
An exemplary optical pick-up apparatus of the invention comprises: an optical base; a collimator lens provided on the optical base; a laser source disposed adjacent the collimator lens on the optical base and emitting light that produces heat; and temperature gradient control means, provided between the collimator lens and the laser source on the optical base, for flattening temperature gradient between the collimator lens and its surroundings.
Quick Actions:
Washiyama, Toru. (2010). Optical pick-up apparatus and optical disk apparatus (U.S. Patent No. 7711020). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7711020
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile