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
Method and apparatus for predicting object properties and events using similarity-based information retrieval and modeling
Field emission cathode device and field emission display using the same
Process for manufacturing a self-sealing composition
Semiconductor device having a plurality of elements on one semiconductor substrate and method of manufacturing the same
Modular connector for touch sensitive device
Organic light-emitting display with black matrix
Dental composition, kit of parts and use thereof
  Randomly Featured Patents
Image forming apparatus having process cartridges with identified parts
Torso-support apparatus
Display screen with icon
Method for bleaching tackifying resins
Phase change ink compositions
Multiple alarm system with low battery detection for controlling transmission and reception of an alarm signal
Prolonged cold temperature cryogenic cooler
Chromatograph
Laminating machine
Non-volatile semiconductor storage device