Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Objective lens, optical pickup and optical disk apparatus










Image Number 17 for United States Patent #8116188.

A plastic objective lens is configured to collect a light beam with at least a wavelength .lamda. on a recording layer of an optical disk and is used in an optical pickup for recording and/or reproducing an information signal by illuminating a light beam on the optical disk having one or a plurality of recording layers in an incident direction of the light beam.








 
 
  Recently Added Patents
Insulin derivative
Device and implantation system for electrical stimulation of biological systems
Superconducting magnetizer
Digital watermark embedding apparatus, digital watermark embedding method, and digital watermark detection apparatus
Ink composition, ink for inkjet recording and ink set using the ink
Polypeptides and immunizing compositions containing gram positive polypeptides and methods of use
Isolation rings for blocking the interface between package components and the respective molding compound
  Randomly Featured Patents
Method and apparatus for controlling unsolicited messaging in real time messaging networks
Setting means for printer with plural endless bands
Method and device for tracking movement between a surface and an imager
Fuel system for an internal combustion engine
Customizable seal, mask with customizable seal and method of using such a seal
Herbicidal substituted 4-amino-5-alkylthio-1,2,4-triazol-3-ones
Systems and methods for providing information to emergency service centers
Voltage regulator for non-volatile semiconductor memory devices
Intraocular lens anchoring filament to lens element fixation method
Dual regulator direct-fired steam generator