Patent application number | Description | Published |
20080259777 | Optical Pickup Device and Optical Disc Device - An optical pickup device | 10-23-2008 |
20090052492 | OPTICAL PICKUP AND OPTICAL DISC DEVICE - An optical pickup according to the present invention includes an integrated circuit element (LDD) | 02-26-2009 |
20090055851 | OPTICAL PICKUP DEVICE, OPTICAL INFORMATION DEVICE PROVIDED WITH SUCH OPTICAL PICKUP DEVICE, AND OPTICAL INFORMATION RECORDING/REPRODUCING DEVICE PROVIDED WITH SUCH OPTICAL INFORMATION DEVICE - A protruding portion | 02-26-2009 |
20090213717 | METHOD OF ADJUSTING INCLINATION OF OBJECTIVE LENSES, METHOD OF PRODUCING OPTICAL PICKUP, DEVICE FOR ADJUSTING INCLINATION OF OBJECTIVE LENSES, OPTICAL PICKUP COMPONENT, OPTICAL PICKUP, AND OPTICAL INFORMATION RECORDING AND REPRODUCING DEVICE - A method of adjusting the tilt of objective lenses in an optical pickup having a plurality of light sources, an optical pickup component with a plurality of objective lenses which converge light from the plurality of light sources on an optical information recording medium and a movable part which holds the plurality of objective lenses, an actuator which drives the movable part of the optical pickup component, and a base on which the actuator is arranged and an optical system which introduces light emitted from the plurality of light sources to the plurality of objective lenses is constituted, which are capable of producing an optical pickup with a plurality of objective lenses while tilt is being simply adjusted, the method includes: | 08-27-2009 |
20100061211 | OPTICAL PICKUP AND METHOD OF MANUFACTURING THE SAME - An optical pickup ( | 03-11-2010 |
20100103805 | SEMICONDUCTOR LASER DRIVING DEVICE, OPTICAL HEAD DEVICE AND OPTICAL INFORMATION RECORDING/REPRODUCING DEVICE - A semiconductor laser driving device is provided with a high frequency superimposing circuit ( | 04-29-2010 |
20100149949 | OPTICAL PICKUP AND OPTICAL DISC DEVICE - An optical pickup according to the present invention includes an integrated circuit element (LDD) | 06-17-2010 |
20130094338 | OPTICAL PICKUP AND OPTICAL READ/WRITE APPARATUS - An optical pickup includes: a light source; a first diffractive element which diffracts light polarized in a particular direction; an objective lens; a lens actuator which shifts the objective lens so that the magnitude of shift from its initial position in a tracking direction has an upper limit of 0.3 mm to 0.6 mm; a wave plate; a second diffractive element which has two diffraction regions configured to diffract light polarized in a direction that intersects with the particular direction at right angles and which splits the write beam reflected from the optical storage medium through each diffraction region into a transmitted light beam and at least one diffracted light beam; and a photodetector which detects the transmitted light beam, the diffracted light beams that have left the two diffraction regions, and the read beam reflected from the optical storage medium. | 04-18-2013 |