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| Number | Title | Issue Date |
| 7869137 | ABBE prism lens with improved focus and reduced flair An Abbe prism lens and lens array are disclosed. The lens comprises front lenses disposed on a front surface of the Abbe prism, rear lenses disposed on a rear surface of the Abbe prism, a front bottom reflecting surface, a rear bottom reflecting surface, a left top ... | 01/11/2011 |
| 7710663 | Prismatic lens and reflector/refractor device for lighting fixtures having enhanced performance characteristics A prismatic lens and a reflector/refractor device having enhanced characteristics are provided for lighting fixtures. The prismatic lens and the reflector/refractor device are formed of a silicone material. A prismatic lens member includes a plurality of prisms on a... | 05/04/2010 |
| 7446951 | Imaging system, in particular a projection objective of a microlithographic projection exposure apparatus Imaging systems, in particular a projection objectives of a microlithographic projection exposure apparatus, are provided. The imaging systems can have an optical axis and produce an image field which is extra-axial relative to the optical axis. The imaging systems ... | 11/04/2008 |
| 7443601 | Zoom optical system At least one exemplary embodiment is directed to a zoom optical system which includes a plurality of variable power optical units of which optical power varies accompanied by variable power, a fixed optical unit of which optical power does not vary accompanied by va... | 10/28/2008 |
| 7367693 | Vehicular lamp and projection lens for decreasing an amount of blocked light A vehicular lamp that decreases the amount of light blocked by the extension towards the inside of the vehicle and increases the diffused light radiated toward the outside of the vehicle. The vehicular lamp 100 has a projection lens 33, a light source ... | 05/06/2008 |
| 7369327 | Variable optical-property element and optical apparatus including the same A variable optical-property element includes a liquid crystal the pitch of twist is less than 60 times the wavelength of light used, so that a spatially uneven electric or magnetic field or temperature is applied to the liquid crystal to thereby form an index distri... | 05/06/2008 |
| 7362514 | Imaging system, in particular a projection objective of a microlithographic projection exposure apparatus Imaging systems, in particular a projection objectives of a microlithographic projection exposure apparatus, are provided. The imaging systems can have an optical axis and produce an image field which is extra-axial relative to the optical axis. The imaging systems ... | 04/22/2008 |
| 7362517 | Rotationally asymmetric optical system The invention relates to a rotationally asymmetric optical system which includes at least one reflecting surface rotationally symmetric about a center axis, is rotationally symmetric about the center axis, and is adapted to form a full 360°-direction image on an im... | 04/22/2008 |
| 7350928 | Projection display system A projection display system comprises an illumination device, a prism assembly, a projection lens and a reflective light valve. The prism assembly has a first light incident surface, a first light emitting surface and a second light emitting surface. The first light... | 04/01/2008 |
| 7345829 | Objective lens Lens aberration in an objective lens for recording and reproducing optical information, which is composed of a molded aspherical single lens, is inhibited while at the same time good lens productivity is attained. Also attained are excellent optical properties and h... | 03/18/2008 |
| 7274485 | Effects module for manipulation of an image An effects module useful in a digital imaging system such as a compact printer system. The effects module includes an image processor that applies one or more effects to a stored image, which may be read from a printer module. The resultant image is written back to ... | 09/25/2007 |
| 7262919 | Head-up display device with curved optical surface having total reflection A display device for displaying information is provided with an optical system for guiding the light of the display device to the eye, the optical system having, in the order in the proceeding direction of the light, an entrance face for receiving the light, a curve... | 08/28/2007 |
| 7248423 | Outside mirror system A transparent member has a light incident surface formed in such a manner as to be oriented downwards, a light emitting surface formed in such a manner as to be oriented towards a driver M and a reflecting mirror surface having a reflecting member integrally attache... | 07/24/2007 |
| 7224538 | Electro-optical reader with improved laser intensity modulation over extended working range The combination of a rooftop optical element and a soft edge aperture stop, as well as the introduction of a negative spherical aberration in a positive focusing lens, improve working distance and depth of focus in both moving beam and imaging readers for electro-op... | 05/29/2007 |
| 7207700 | Near field lens with spread characteristics A near field lens is for an automotive light assembly, generally comprising a central body positioned between opposing side bodies. The central body extends in a vertical direction, while the side bodies are positioned on horizontal sides of the central body. The op... | 04/24/2007 |
| 7162398 | Method for evaluating the dynamic perspective distortion of a transparent body and method for supporting the designing of a three-dimensionally curved shape of a transparent body A step of producing a model of three-dimensionally curved shape of a transparent body, a step of determining an eye point and a virtual evaluation pattern, a step of observing the virtual evaluation pattern through the transparent body and obtaining distance values ... | 01/09/2007 |
| 7130128 | 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. ... | 10/31/2006 |
| 7122242 | Wedge shaped glass and methods of forming wedged glass A glass sheet includes a first edge, an opposing, second edge, and an intermediate location between the first edge and second edge. The glass sheet has a first portion extending between the first edge and the intermediate location and a second portion extending betw... | 10/17/2006 |
| 7110191 | Imaging optical system The invention has now found out why ghost light occurs in an imaging optical system using a decentered reflecting prism for the purpose of reducing ghost light. The invention provides an imaging optical system comprising at least one decentered prism 10 havin... | 09/19/2006 |
| 7085063 | Multi-directional optical element and an optical system utilizing the multi-directional optical element Multi-directional optical elements are disclosed that include a body having a first side having a first curvature, a second side having a second curvature, a third side having a third curvature, and a fourth side having a fourth curvature. The second side is dispose... | 08/01/2006 |
| 7054075 | Optical apparatus The invention provides an optical apparatus enabling diopter adjustment, etc. to be achieved using, for instance, a reflection type variable-optical property optical element or a variable-optical property mirror but without recourse to any mechanical moving part. Th... | 05/30/2006 |
| 7050239 | Real image mode variable magnification finder A real image mode variable magnification finder optical system comprises a variable magnification objective optical system having a positive optical power, an ocular optical system having a positive optical power, and a plurality of reflecting surfaces for erecting ... | 05/23/2006 |
| 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 |
| 7019909 | Optical system, image display apparatus, and image taking apparatus A small optical system that is capable of widening an angle of view is provided. This optical system is provided with a first surface having a reflecting action and a second surface that reflects a light beam reflected on this first surface toward the first surface ... | 03/28/2006 |
| 7012756 | Display optical system, image display apparatus, image taking optical system, and image taking apparatus A display optical system for guiding light from an image to an observer or a surface projecting an image thereon with a first optical system and second optical system. The first optical system having a first surface formed on a transparent body with a reflecting act... | 03/14/2006 |
| 6976778 | Rod integrator, illuminator, projector, and optical device The invention provides a rod integrator or the like having high efficiency for light utilization and suitable for a color-recapture system. The present invention can include a rod integrator having a reflective inner circumference (reflecting surface) for emitting l... | 12/20/2005 |
| 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 |
| 6924943 | Asymmetric TIR lenses producing off-axis beams The present invention relates to an improvement of a total internal reflection lens whereby a tilted symmetry axis leads to a net deflection of the output beam away from the surface normal of the exit surface. Linear TIR lenses have a net deflection transverse to th... | 08/02/2005 |
| 6900950 | Image-forming optical system A high-performance and low-cost image-forming optical system has a reduced number of constituent optical elements and is made extremely thin, particularly in a direction perpendicular to an image pickup device, by folding an optical path using only three reflecting ... | 05/31/2005 |
| 6833965 | Optical element using organic-inorganic composite material A lightweight and homogeneous optical element exhibiting favorably weak birefringence and hygroscopicity as well as superior productivity and producing minimal chromatic aberrations is formed by using an organic-inorganic composite material having both the propertie... | 12/21/2004 |
| 6798583 | Projection optical apparatus The invention provides a small-sized projection optical apparatus which uses a decentered prism as a projection optical system and in which some contrivances are provided to how to introduce illumination light into a reflection type display device. The projection op... | 09/28/2004 |
| 6785060 | Reflecting type optical system A reflecting-type optical system according to the invention includes an optical element composed of a transparent body having an entrance surface, an exit surface and at least three curved reflecting surfaces of internal reflection. A light beam coming from an objec... | 08/31/2004 |
| 6775073 | Real image type zoom finder The invention relates to a compact, high-performance yet wide-field real image type zoom finder comprising a positive objective optical system Ob and a positive eyepiece optical system Ep and further including an image-inverting means for erecting an real image form... | 08/10/2004 |
| 6760164 | Optical system The invention provides an optical system that enables focal length, image-formation position, etc. to be controlled in simple construction by bending the optical system to shift a light beam passing through it and so making use of an arbitrary portion of the optical... | 07/06/2004 |
| 6633431 | Optical system and optical apparatus having the same An optical system comprises, in succession from the object side, a first optical element of negative optical power, a second optical element of positive optical power, and a third optical element of negative optical power, at least one of the first to thi... | 10/14/2003 |
| 6604436 | Ultra-accelerated natural sunlight exposure testing facilities A multi-faceted concentrator apparatus for providing ultra-accelerated natural sunlight exposure testing for sample materials under controlled weathering conditions comprising: facets that receive incident natural sunlight, transmits VIS/NIR and reflects ... | 08/12/2003 |
| 6512635 | Observation optical system and photographing optical system An observation optical system or a photographing optical system comprises, between a pupil surface and an image surface, a first prism 3 and a second prism. The first prism 3 includes a 1st -1st surface 31 which has both o... | 01/28/2003 |
| 6510010 | Real image mode finder optical system and lens A real image mode finder optical system includes an objective optical system with a positive refracting power, an image erecting optical system having a plurality of reflecting sections for erecting an image formed by the objective optical system, and an ... | 01/21/2003 |
| 6507444 | Imaging lens and image reading apparatus using it An imaging lens is used in image reading and adapted to image information of an original on a reading device. In the imaging lens at least one surface out of a plurality of surfaces forming the imaging lens has refracting power rotationally asymmetric wit... | 01/14/2003 |
| 6452727 | Projection lens A projection lens arranged to project an image formed on a display panel onto a screen includes a plurality of lens units movable along an axis for varying magnification, wherein at least one of lenses constituting the plurality of lens units has at least... | 09/17/2002 |
