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US20080008078 Object lens for optical pickup, optical pickup and optical information processing device  
As an object lens for an optical pickup, applied is a single-lens and both-side-convex configuration is applied. Further, specific conditional formulas are created with respect to a particular...
US20050147014 3D stereo DVD and CD-R related products  
The present invention uses different materials to produce a stereo lenticular lens replacing the transparent disk of original DVD related products, or adding on CD-R disk in every means to achieve...
US20110188367 OPTICAL PICKUP DEVICE  
An optical pickup includes a collimator lens having a diverging lens and a converging lens, such that it maintains a constant focal length and has a short optical path length. The collimator lens...
US20080062852 Multi-Dimensional Optical Scanner  
The present invention relates to an optical scanning device for reading and/or writing on a plurality of tracks on an optical storage medium (1), said scanning device comprising optical means (17)...
US20070014206 OPTICAL PICKUP DEVICE AND INFORMATION PROCESSING APPARATUS INCORPORATING THE OPTICAL PICKUP  
A highly reliable optical pickup which is not likely to collide with an optical disk is provided. Relative positions of two objective lenses 100 and 101 (along a focus direction) on a lens holder...
US20080049587 Complex optical element and optical pickup  
A complex optical element includes a first optical portion and a second optical portion which are made of materials different from each other. The second optical portion is bonded to an optical...
US20080068975 Objective lens actuator and optical pickup device  
A first objective lens and a second objective lens which are formed as separate bodies each other are held side by side by a lens holder. The lens holder includes a first lens receiving surface to...
US20100118688 Optical pickup lens  
An optical pickup lens for focusing a light beam from a laser light source on an optical information recording medium is a single lens. The optical pickup lens has two surfaces, and a surface R2...
US20080056102 OPTICAL PICKUP APPARATUS  
An optical pickup apparatus includes a first objective lens having a low numerical aperture (NA) suitable for a low-density recording medium, a second objective lens having a high NA suitable for a...
US20100080106 OPTICAL PICKUP APPARATUS AND OPTICAL DISC APPARATUS  
An optical pickup apparatus changes a propagation direction of luminous fluxes, out of a laser light reflected by a disc, in four luminous flux regions set about a laser optical axis so as to...
US20120051207 OBJECTIVE LENS FOR OPTICAL PICKUP AND OPTICAL PICKUP DEVICE  
An objective lens for an optical pickup device is provided with a light-source-side lens surface by which laser light is converged, and a disc-side lens surface by which the laser light converged...
US20070014222 Optical pickup apparatus and optical information processing apparatus  
An optical pickup apparatus comprises an lens assembly including an object lens arranged for either a first optical disk (BD) or a second optical disk (HD-DVD) different from the first optical disk...
US20070008859 Methods and apparatus for printing media with collimated electomagnetic radiation beam  
A method is provided for recording visible marks on a recording medium using an input beam generated by an electromagnetic radiation source. The method comprises (a) substantially collimating the...
Matches 1 - 13 out of 13