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:
Apr. 28, 2009
Filed:
Aug. 04, 2004
Applicant:
Mayumi Satou, Kanagawa, JP;
Inventor:
Mayumi Satou, Kanagawa, JP;
Assignee:
Sony Corporation, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
H04N 5/76 (2006.01);
U.S. Cl.
CPC ...
Abstract
A dew sensorfor detecting moisture in a space enclosing an optical pickup deviceis disposed in the vicinity of a pickup lensof an optical pickup deviceand on a partition wallon which a table rotation deviceis supported. According to the dew sensora phenomenon in which it becomes impossible to record and/or reproduce an information signal with respect to a disc shaped recording medium when the pickup lens of the optical pickup device becomes dim caused by a dew condensation will be avoided.