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| Number | Title | Issue Date |
| 7035173 | Optical pickup apparatus An object of the invention is to provide an optical pickup apparatus which, using a single optical system having a large NA objective lens, can compensate for the spherical aberration caused due to manufacturing errors in the thickness of recording media, as well as... | 04/25/2006 |
| 7031061 | Diffusing film comprising transparent resin and scatterers A diffusing film comprises a transparent resin in which scatterers are dispersed. The difference between the refractive index of the transparent resin and that of the scatterers is in the range of 0.04 to 1.5. The scatterers are flat particles having sizes of 0.1 to... | 04/18/2006 |
| 7025454 | Extended depth of field optics for human vision The present invention provides extended depth of field to human eyes by modifying contact lenses, intraocular implants, and/or the surface of the eye itself. This may be accomplished by applying selected phase variations to these optical elements (e.g., by varying s... | 04/11/2006 |
| 7027202 | Silicon substrate as a light modulator sacrificial layer An optical MEM device is fabricated with a patterned device layer formed on a silicon wafer. Preferably, the patterned device layer is patterned with plurality of ribbons and/or access trenches. The central portion of the ribbon is released from the silicon wafer us... | 04/11/2006 |
| 7021797 | Optical device for repositioning and redistributing an LED's light An optical device is for spatially displacing the output of a light-emitting diode (LED) and coupling the output to a predominantly spherical emission pattern produced at a useftul height above the LED. The device is made of a transparent dielectric material, such a... | 04/04/2006 |
| 7018395 | Photodynamic treatment of targeted cells The present invention is drawn to methods for photodynamic therapy (PDT) of a target cell, target tissue or target composition in a mammalian subject, using a therapeutically effective amount of a targeted substance, which is either a targeted photosensitizing agent... | 03/28/2006 |
| 7012761 | Teledaga mirror A vehicle mirror assembly 10 is provided. The vehicle mirror assembly 10 comprises a base 12 comprising a first base ellipsoidal portion 32 having a constant first minor axis 27′ and a major longitudinal axis 38. The base ... | 03/14/2006 |
| 7003983 | Method of manufacturing optical glass element, and optical glass element manufactured using the method A method of manufacturing an optical glass element for which flatness and smoothness of the surfaces of the optical glass element can be improved while securing the similarity of the cross-sectional shape of the optical glass element to that of the mother glass, and... | 02/28/2006 |
| 7004900 | Endoscopic vision system The present invention relates to an endoscopic visioning system and related method for both forward and backward viewing of a body lumen. According to an embodiment, the system includes an endoscope, a vision head including a light source and a vision chip on both a... | 02/28/2006 |
| 7002757 | Single-focus lens for electronic still cameras A single-focus lens for an electronic still camera is formed of at least one meniscus lens element that is placed on the object side of a stop, with at least one surface of this meniscus lens element having a curvature such that light rays that pass through the stop... | 02/21/2006 |
| 7002753 | Color-corrected projection lenses for use with pixelized panels Projection lenses for use with pixelized panels (PP) are provided. The projection lenses have first and second lens units (U1,U2), with the first lens unit having a negative power and the second lens unit having a positive power. The first lens unit ha... | 02/21/2006 |
| 7002741 | Image transmission system for endoscopes and method of producing a rod lens The invention relates to an image transmission system for endoscopes and similar viewing tubes with at least one rod lens and at least one additional lens system. In order to produce an image transmission system of simple and economical construction, it is proposed ... | 02/21/2006 |
| 6995928 | Wide-angle optical system for solid image pickup element In a wide-angle optical system for a solid image pickup element, an image pickup lens 2 is a biconvex lens, and its surface closer to an image surface is being formed into such an aspherical shape that the positive refractive power is weaker at a location mor... | 02/07/2006 |
| 6992839 | Lens system and optical device having the same A lens system has a plurality of lenses, a stop, and a diffractive surface, the entire lens system moves during focusing, and the lens system satisfies the condition of β≧0.5, where β is a maximum photographic magnification. ... | 01/31/2006 |
| 6992837 | Hybrid lens and projection optical system including the same A hybrid lens and a projection optical system having the hybrid lens are provided. The projection optical system includes a hybrid lens that is positioned along an optical path between a fluorescent surface and a screen onto which light emitted from the fluorescent ... | 01/31/2006 |
| 6989937 | High-aperture projection lens A six-element cinema projection lens is described in front of which an aspherized plane-parallel plate is positioned on the screen side. This arrangement permits the cost-effective design of a cinema projection lens with a relative aperture of 1:1.7 having very good... | 01/24/2006 |
| 6989941 | Two-group zoom lens A comparatively low f-number, compact two-group zoom lens that corrects aberrations in the visible and the near-infrared regions includes, in order from the object side, a first lens group of negative refractive power and a second lens group of positive refractive p... | 01/24/2006 |
| 6982834 | Wide-angle zoom lens including at least one aspheric lens surface A three-group zoom lens includes first, second, and third lens groups, of negative, positive, and positive refractive power, respectively. The second lens group includes a stop and the third lens group moves for focusing. When zooming from the wide-angle end to the ... | 01/03/2006 |
| 6979134 | Optical communication module An optical communication module including: an emission member for emitting a transmission light beam; and a connection member for detachably connecting an optical fiber for external communication with the emission member, the connection member including a tubular ac... | 12/27/2005 |
| 6979831 | Method and apparatus for a formatter following electron beam substrate processing system Embodiments of the invention generally provide an electron beam substrate processing system. In one embodiment, the present invention provides an electron beam substrate processing system where a spindle shaft used to rotate substrates during processing includes at ... | 12/27/2005 |
| 6970297 | Lens for forming laser lines with uniform brightness A lens is provided for converting a laser beam into laser lines of uniform brightness. The lens has an emission plane through which the laser beam passes, the emission plane having a continuous incline. There is also provided a method for designing the lens. ... | 11/29/2005 |
| 6970412 | Diffraction type lens which converges two wavelengths of light A diffraction type lens in an optical pickup apparatus for recording and reproducing two or more kinds of optical recording media is constituted by a substrate having one surface formed with a zone plate exhibiting a smaller converging action with respect to a wavel... | 11/29/2005 |
| 6965134 | Image pick-up unit including an image pick-up device and optical filter layers An image pick-up unit includes an image pick-up device; and a plurality of optical filters which are cemented together in layers and positioned in front of the image pick-up device. At least two optical filters among the plurality of optical filters, which have diff... | 11/15/2005 |
| 6965715 | Lens and method for producing a lens A rod lens with one or more optically active surfaces and one or more inactive surfaces, in which one part of the optically inactive surface or surfaces, especially a lens facet and/or radial peripheral surface of a lens, is smooth, and a method for smoothing one pa... | 11/15/2005 |
| 6963409 | Optical position measuring device An optical position measuring system including a periodic grating structure and a scanning unit. The scanning unit includes a light source that directs light towards the periodic grating structure and an optical lens device that receives light from the periodic grat... | 11/08/2005 |
| 6961190 | Bulk lens, light emitting body, lighting device and optical information system The lens embraces a bulk-shaped lens body identified by a top surface, a bottom surface and a contour surface, and a well-shaped concavity is implemented in the inside of the lens body, aligned from the bottom surface toward the top surface. The lens body has geomet... | 11/01/2005 |
| 6956995 | Optical communication arrangement An arrangement for optical communication comprises an optical coupler, an opto-electronic board, and an optical fiber. The optical fiber comprises a first refraction surface, a second refraction surface, and an internal reflector. The first refraction surface has a ... | 10/18/2005 |
| 6956878 | Method and apparatus for reducing laser speckle using polarization averaging A method and apparatus for reducing speckle uses polarization averaging. A polarizing beam splitter divides a first polarized laser output into a second polarized laser output and a third polarized laser output. A plurality of mirrors creates an optical path differe... | 10/18/2005 |
| 6954315 | Night vision and audio signal reduction system A surface configuration obscures an object from detection by night vision devices, ultraviolet devices and infrared devices. The surface configuration is three dimensional, having spaced inner and outer surfaces. A wall defines a plurality of enclosed cells, and pro... | 10/11/2005 |
| 6954316 | Projection objective Projection exposure device and also projection objective with a lens arrangement which has at least one lens group of negative refractive power, this lens group comprising at least four lenses of negative refractive power, and a lens of positive refractive power bei... | 10/11/2005 |
| 6947226 | Optical lens-use base material, optical lens, and method of producing optical lens The method of making an optical lens in accordance with the present invention comprises an optical lens preform producing step of producing an optical lens preform 40 having a plurality of curved surface parts 43 formed parallel to each other, and a pa... | 09/20/2005 |
| 6947613 | Wavelength selective switch and equalizer A device comprising a light modulator including a plurality of elements wherein each element is selectively operable such that the plurality of elements are dynamically configurable to combine selected ones of a plurality of grating periods such that selected portio... | 09/20/2005 |
| 6943964 | Single element laser beam shaper A single lens laser beam shaper for converting laser beams from any spatial profile to a flat-top or uniform spatial profile. The laser beam shaper includes a lens having two aspheric surfaces. The beam shaper significantly simplifies the overall structure in compar... | 09/13/2005 |
| 6940660 | Optical device An optical device has a plurality of optical elements lined up in a row laterally. The optical elements in each case have a light entry surface, a light exit surface, and an associated optical axis. The light entry surfaces are in each case formed convexly in the ma... | 09/06/2005 |
| 6937401 | Projection lens A projection lens of the retrofocus type that has a long back focus and that can project with a high contrast, exhibits small aberrations and converts a light path inside the lens. A first lens set having a negative refractive power, a light path converter, and an i... | 08/30/2005 |
| 6934070 | Chirped optical MEM device A light modulator comprises a series of ribbons divided by a series of gaps. Sequences of consecutive ribbons and gaps are grouped together to form a plurality of pixels that are configured to process a respective plurality of wavelengths. The spacing from center-li... | 08/23/2005 |
| 6934093 | Optical system The present invention provides an optical system for illuminating and viewing a target in which an illumination element and a receiving means are disposed behind a single optical window, and which obtains data essentially free of backscatter and stray light. The opt... | 08/23/2005 |
| 6927891 | Tilt-able grating plane for improved crosstalk in 1×N blaze switches A light modulator includes elongated elements arranged parallel to each other. Each elongated element includes a light reflective planar surface with the light reflective planar surfaces configured in a first grating plane. A support structure is coupled to the elon... | 08/09/2005 |
| 6928207 | Apparatus for selectively blocking WDM channels An apparatus for selective blocking WDM channels comprises a light modulator, a diffraction grating, and a transform lens. The light modulator comprises an array of pixels. Each pixel of the light modulator is selectively operable to direct light into a first mode a... | 08/09/2005 |
| 6927922 | Imaging using a multifocal aspheric lens to obtain extended depth of field A system for imaging with a circularly symmetric multifocal aspheric lens is provided for obtaining an extended depth of field. The system includes a camera for capturing an image of at least one object through a circularly symmetric multifocal aspheric lens to prov... | 08/09/2005 |
