Bizarre Patents
A forehead support apparatus for resting a standing users forehead against a wall above a bathroom commode or urinal or beneath a showerhead.
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 7929400 | Optical sound track scanner system The present invention relates to an optical scanner system for scanning of an optical sound track with a beam of light, comprising a light emitter for emission of a light beam, a device for scanning the light beam across an optical sound track, the light beam formin... | 04/19/2011 |
| 7924684 | 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... | 04/12/2011 |
| 7924686 | Objective lens and optical pickup device An objective lens for converging light onto a recording surface of an optical information recording medium in order to perform at least one of recording, reproduction and deletion of information on the optical information recording medium. The objective lens is a bi... | 04/12/2011 |
| 7924685 | Objective lens An object of the invention is to provide a plastic objective lens having a good lens tilt property in both thicknesses of a two-layer disc in a used temperature range even in the plastic objective lens in which a numerical aperture (NA) is equal to or higher than 0.... | 04/12/2011 |
| 7911924 | Information recording carrier and information reproducing apparatus for the same Plural grooves or lands formed in an information recording carrier include at least a wobbling region and data is recorded wobblingly in this wobbling region by phase shift modulation while recorded digitally with a single or multiple waves as a channel bit. ... | 03/22/2011 |
| 7911923 | Complex objective lens, optical head, optical information apparatus, computer, optical disk player, car navigation system, optical disk recorder, and optical disk server A complex objective lens composed of a hologram and an objective lens, capable of realizing stable and high-precision compatible reproducing/recording of a BD with a base thickness of about 0.1 mm for a blue light beam (wavelength λ1) and a DVD with a base t... | 03/22/2011 |
| 7903531 | Optical disk apparatus for detecting tilt of an optical disk, and an optical disk for tilt detection The invention provides an optical disk apparatus and an optical disk that are applicable to a multilayer optical disk, and enable tilt detection with a high precision. The optical disk has a transparent planar disk base member, a recording layer formed on the disk b... | 03/08/2011 |
| 7898928 | Objective lens and optical pickup device To provide an objective lens and an optical pickup device which can thin the objective lens and a device on which the objective lens is mounted, and which can prevent that the pitch of the diffraction grating at the outer periphery of the objective lens becomes too ... | 03/01/2011 |
| 7898929 | Objective lens, and method of manufacturing the same and optical pickup apparatus An objective lens formed of a synthetic resin material having characteristics of substantially not reducing transmittance of the objective lens when a first laser beam having a first wavelength passes through the objective lens, and reducing the transmittance accord... | 03/01/2011 |
