|
Match
|
Document |
Document Title |
|
|
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...
|