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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...
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...
US20150009790 OBJECTIVE LENS AND OPTICAL PICKUP DEVICE  
[PROBLEM] To provide an object lens such that the degradation of the optical properties of the object lens due to temperature change can be minimized, and a light pickup device using the...
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...
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 - 14 out of 14