Bizarre Patents
Cloaking System Using Optoelectronically Controlled Camouflage
A Cloaking System designed to operate in the visible light spectrum, utilizes optoelectronics and/or photonic components to conceal an object within it.
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| Number | Title | Issue Date |
| 8184519 | Optical pickup apparatus An optical pickup apparatus comprising: a diffraction grating that a laser beam enters, the diffraction grating being configured to generate a main beam that is 0th order light and sub-beams that are +1st order diffracted light and −1st order diffracted light; an ... | 05/22/2012 |
| 8174952 | Light source unit, optical detector unit, optical pickup device, and optical disk device A light source unit comprises a plurality of light sources emitting a plurality of light beams. A plurality of volume hologram elements are provided for the plurality of light sources respectively, each volume hologram element having a plane of incidence of an incom... | 05/08/2012 |
| 8159924 | Optical disc device and media type determination method A device includes: an objective lens that serves as a lens having a first numerical aperture when a first optical beam corresponding to a first optical disc converges on the first optical disc while serving as a lens having a second numerical aperture when a second ... | 04/17/2012 |
| 8154978 | Optical pickup apparatus An optical pickup apparatus comprising: an objective lens configured to focus laser light having the Gaussian distribution properties emitted from a laser diode to a signal recording layer of an optical disc; and an adjustment coating formed on a surface of an incid... | 04/10/2012 |
| 8154979 | Objective lens and optical pickup apparatus Disclosed is an objective lens used for an optical pickup apparatus to perform writing and/or reading of an optical information recording medium, comprising an antireflective film on a surface of a light source side, wherein a light flux of wavelengths including a w... | 04/10/2012 |
| 8130623 | Optical information recording and/or reproducing apparatus, optical information recording and/or reproducing method, optical information recording medium, and solid immersion lens An optical information recording and/or reproducing apparatus comprises: a focusing unit (11) which collects generated near-field light on an optical disc (1); a first detector (17) which receives light reflected by the optical disc (1) a... | 03/06/2012 |
| 8125875 | Optical pickup A spherical aberration correction mechanism includes an aberration correction lens, a movable portion for supporting the aberration correction lens, a fixing portion for supporting the aberration correction lens, in which the movable portion is disposed in a slidabl... | 02/28/2012 |
| 8125876 | Objective lens, optical pickup apparatus using the same, optical recording/reproduction apparatus using the same, and method of correcting aberration using the same Provided is an objective lens for which expressions 0.83 | 02/28/2012 |
| 8121012 | Objective lens and optical information recording/reproducing apparatus An optical information recording/reproducing apparatus for an optical disc using a light beam having a wavelength of λ including: an objective lens that converges the light beam onto a recording surface of the optical disc and satisfies a condition: ... | 02/21/2012 |
| 8116188 | Objective lens, optical pickup and optical disk apparatus A plastic objective lens is configured to collect a light beam with at least a wavelength λ 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 d... | 02/14/2012 |
| 8107349 | Optical head device and optical recording and reading system An optical head device (optical head) for a multi-layered optical recording medium has a focus control mechanism that makes use of astigmatism. The focus control mechanism has a sensor lens that includes a cylindrical lens. The focus control mechanism causes a light... | 01/31/2012 |
| 8102749 | Object lens, optical pickup, and optical disc device An optical pickup includes: a first emitting unit to emit an optical beam of a first wavelength; a second emitting unit to emit an optical beam of a second wavelength; a third emitting unit to emit an optical beam of a third wavelength; an object lens to condense op... | 01/24/2012 |
| 8102748 | Optical pickup device An optical pickup device radiates laser light to a disc having a plurality of recording layers in a direction of lamination. The optical pickup device includes a laser light source, a collimator lens, and an objective lens. The collimator lens changes a spread angle... | 01/24/2012 |
| 8098564 | Objective lens for optical pickup apparatus, objective lens unit for optical pickup apparatus and optical pickup apparatus using the same The present invention relates to an objective lens, an objective lens unit and an optical pickup apparatus. The objective lens is provided for an optical pickup apparatus recording or reproducing information by converging a light flux with a wavelength λ1 em... | 01/17/2012 |
| 8098563 | Objective lens actuator An objective lens actuator includes a lens holder, a protector holder, and a protector. The lens holder in which the objective lens is provided has a face configured to oppose the disc. The protector holder is provided on the face of the lens holder. The protector i... | 01/17/2012 |
| 8085646 | Optical pickup lens capable of detecting the tilt state An optical pickup lens includes a first surface to focus laser light for recording/playback on an optical disc, a second surface formed outside the first surface and radiated with laser light for lens tilt detection, and an antireflection coating to transmit the las... | 12/27/2011 |
| 8081557 | Optical pickup apparatus An optical pickup apparatus comprising: a laser light source; an objective lens; a reflection mirror; a photodetector; and a beam splitter, the beam splitter including a first reflective film configured to generate a first phase difference corresponding to a predete... | 12/20/2011 |
| 8081556 | Optical pickup apparatus An optical-pickup apparatus comprising: a laser-light source including first-and-second-light-emitting points for laser lights with first-and-second wavelengths which points are disposed at positions deviating in a direction optically corresponding to an optical-dis... | 12/20/2011 |
| 8081555 | Method for evaluating read signal A method for evaluating a read signal obtained by irradiating a medium with a laser beam through an objective lens and reading data from the reflected laser beam by a PRML detection method is provided. The method includes: a sampling step of sampling the data obtain... | 12/20/2011 |
| 8072869 | Optical pickup having an aberration correction function A spherical aberration correction mechanism includes a plurality of aberration correction lenses, a movable portion in which the aberration correction lens is held, a fixed portion in which the movable portion is arranged so as to be slidable as well as the aberrati... | 12/06/2011 |
| 8068401 | Objective optical system and optical information recording/reproducing device having the same There is provided an objective optical system used for information recording/reproducing for three types of optical discs. The objective optical system includes an objective lens, and a diffraction structure formed on an optical surface. The diffraction structure in... | 11/29/2011 |
| 8068402 | Optical head, optical disc device, computer, optical disc player and optical disc recorder An optical head is provided with a light source for outputting laser light having a wavelength of 430 nm or less; an objective lens for collecting the laser light outputted from the light source to an optical disc having a plurality of information recording surfaces... | 11/29/2011 |
| 8064318 | Optical pickup apparatus with protected collimator lens There is provided an optical pickup apparatus in which the collimator lens cannot be scratched before the support base for the objective lens actuator is fixed, and further dust can hardly come in and be deposited to result in contaminating the collimator lens and t... | 11/22/2011 |
| 8064319 | Objective lens, optical pickup device having the same, and recording and/or reproducing apparatus for optical recording medium, equipped with the optical pickup device An objective lens consists of a single lens element, and has a light source side surface formed into a convex surface having a large curvature and an optical recording medium side surface has a small curvature. The both surfaces are aspheric surfaces. Also, the obje... | 11/22/2011 |
| 8054734 | Objective lens and optical pickup comprising the objective lens Optical pickup 24 for operation in the far-field and in the near-field mode comprising a movable part 26 having an objective lens 2 comprising a solid immersion lens 4 and a multifocal lens 6, which are both disposed on a common op... | 11/08/2011 |
| 8050170 | Near field optical head and information recording and reproducing device A near field optical head includes: a slider provided so as to float from a surface of the magnetic recording medium by a predetermined distance, the slider having a facing surface faced to a surface of the magnetic recording medium; a tipped-shaped near field light... | 11/01/2011 |
| 8050169 | Optical scanning device and method for determining focus position The optical scanning device [10] is arranged for scanning a record carrier [1]. The record carrier has an outer face [7]. The scanning device comprises a radiation source [11] for generating a radiation beam [12] and an objective s... | 11/01/2011 |
| 8036094 | Objective lens and optical data storage apparatus comprising the objective lens An objective lens is described, which is switchable between a far-field mode and a near-field mode. The objective lens comprises a lens, an optical element having a variable refractive index and a solid immersion lens, which are disposed on a common optical axis, wh... | 10/11/2011 |
| 8031575 | Optical pickup device and recording/reproducing device An optical pickup device has a near-field optical system having a numerical aperture of NA>1; a first light source emitting a first light having a first wavelength; a second light source emitting a second light having a second wavelength; an optical system multiplex... | 10/04/2011 |
| 8018816 | Objective lens and optical information recording/reproducing apparatus A resin objective lens having a numerical aperture NA≧0.75. The objective lens satisfies a condition: 0≦|SC|MAX/f | 09/13/2011 |
| 8009544 | Objective lens, optical pickup device having the same, and recording and/or reproducing apparatus for optical recording medium, equipped with the optical pickup device An objective lens consists of a single lens element. A light source side surface is formed into a convex surface having a large curvature, and an optical recording medium side surface has a small curvature. The both surfaces are formed into aspheric surfaces. Also, ... | 08/30/2011 |
| 8004955 | Coupling lens and optical information recording/reproducing device having the same There is provided a coupling lens used in an optical information recording/reproducing device for recording information to and/or reproducing information from an optical disc. The coupling lens includes a first surface and a second surface, wherein the coupling lens... | 08/23/2011 |
| 8000210 | Quarter-wave plate, and optical pickup device A quarter-wave plate includes a base member including a ridge and trough periodic structure with a structural period of λmin/2 | 08/16/2011 |
| 8000209 | Optical pickup, optical element, optical information device, computer, optical information medium player, car navigation system, optical information medium recorder and optical disk server for use with a light source which emits a divergent beam An optical pickup includes: a laser light source which outputs an divergent beam having an elliptical far-field pattern; a beam shaping element having at least one cylindrical plane and which shapes the divergent beam outputted from the laser light source into an di... | 08/16/2011 |
| 7983135 | Optical system with superlens An optical system includes an optical recording medium configured to store data and a light device configured to emit a beam of light to write the data to the optical recording medium or read the data from the optical recording medium. The optical system also includ... | 07/19/2011 |
| 7952978 | Optical control device, optical information recording/reproducing device, optical information recording medium and optical head control method An optical controller includes a light source for emitting light, an object lens for condensing light emitted from the light source, a light detection unit for receiving light reflected on an optical information recording medium and outputting a signal corresponding... | 05/31/2011 |
| 7952979 | Coupling lens, optical head and optical disc device Provides a coupling lens which, when used in combination with an objective lens for a plurality of types of optical discs such as a high density disc, DVD, CD or the like, is capable of compensating for various types of aberrations including those caused by waveleng... | 05/31/2011 |
| 7948856 | Manufacturing method of an objective lens for an optical pickup apparatus and the optical pickup apparatus A method of manufacturing an optical pickup apparatus, comprising steps of selecting one type objective lens from plural types of objective lenses different in specification of respective optical path difference providing structures in accordance with an oscillation... | 05/24/2011 |
| 7944798 | Objective lens unit, optical pickup, and optical information device having ultraviolet-transmissive lens holder An objective lens unit according to the present invention includes a first objective lens 41; and a first lens holder 2 for supporting the first objective lens 41. The first lens holder 2 is formed of a material which transmits ultraviole... | 05/17/2011 |
| 7929401 | Objective lens and optical information recording/reproducing apparatus having the same An objective lens used for an optical information recording/reproducing apparatus for an optical disc based on a predetermined standard is made of resin and has a numerical aperture larger than or equal to 0.75. When f (unit: mm) represents a focal length at a wavel... | 04/19/2011 |
