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7453788 |
Optical head, optical information recording/reproducing apparatus, computer, video recording/reproducing apparatus, video reproducing apparatus, server and car navigation system
An optical head is provided that increases the light utilization efficiency and that can be adapted to high-speed recording and double-layer disks. A beam-shaping lens that shapes an elliptical...
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7453653 |
Low height imaging system and associated methods
Low height imaging systems may include one or more optical channels and a detector array. Each of the optical channels may be associated with one or more detectors of the array, have one or more...
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7443609 |
Optical lens, optical module having the same, and backlight assembly having the same
An optical module includes a point light source device and an optical lens. The point light source device generates light. The optical lens includes an inner curved surface and an outer curved...
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7440197 |
Image forming lens and portable information terminal
The image forming lens comprises a stop and a single lens placed in this order from the object side, wherein if the object-side surface of the single lens having paraxial curvature radii to form...
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7433133 |
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...
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7423816 |
Solid immersion lens and microscope
A solid immersion lens 1 comprises a spherical portion 2 and a bottom surface portion 3 . The bottom surface portion 3 is attached in close contact with a substrate 10 of a semiconductor...
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7418199 |
Imaging apparatus
An imaging apparatus including a first lens unit with positive power in which the most object-side surface is concave and the most image-side surface is convex, an aperture stop, a second lens unit...
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7414791 |
Eye detection apparatus and image display apparatus
What is disclosed is an eye detection apparatus which can detect the pupil position accurately. The apparatus has an image taking unit that picks up an image of an eye and a pupil detection unit...
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7412158 |
Deeper depth of field for video
A digital camera apparatus has a sensing surface that captures images at a first resolution. A derivative of the captured image is displayed at a viewfinder or stored in a memory, after encoding,...
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7411742 |
Focusing lens for LED
A focusing lens for an LED is provided. The focusing lens for an LED, which concentrates light emitted from the LED so as to have directionality parallel to an optic axis, comprises: a transparent...
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7411740 |
Zoom lens
Disclosed is a zoom lens, which includes, in sequence from an object side to an image side, a positive first lens group, a negative second lens group, a positive third lens group, a positive fourth...
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7400456 |
Lens having seamless profile defined by cubic polynomial function
A lens includes a surface that includes a seamless profile. The seamless profile is defined by at least one cubic polynomial function to provide a filtering surface that produces a controlled...
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7391459 |
Imaging apparatus and arranging method for the same
An optical system for a CMOS sensor includes an aspherical lens with which an exit pupil distance appears short in a central region of an imaging plane and long in a peripheral region of the...
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7387448 |
Optical component, method for connecting the same, and optical module having the optical component
There are provided a substantially cylindrical optical component, a method for connecting the same, and an optical module having the optical component, whereby adequate gripping force can be...
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7379411 |
Beam shaping device
In a beam shaping device for converting the laser light emitted from a semiconductor laser light source from an elliptic beam to a circular beam, the light-entrance-side and light-exit-side...
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7370994 |
Collimating lens for LED lamp
A collimating lens includes a first end face with an LED accommodation hole for accommodating an LED lamp, a second end face, which is disposed opposite to the first end face and has an area...
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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...
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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...
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7355801 |
Image pickup lens assembly
An image pickup lens assembly comprises three lens groups, from the object side to the image side: a first lens group, a second lens group, and a third lens group. The first lens group includes two...
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7349163 |
High-heat-dissipation lighting module
There is provided a lighting module of the type having a solid-state light source, in particular a LED, a supporting plate, and a lens; the lens has a recess housing the light source; the lens is...
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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...
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7345828 |
Refractive-diffractive hybrid lens, in particular for beam shaping of high power diode lasers
A cylindrical lens having a refractive optical element and a diffractive optical element is provided. The cylindrical lens can be fabricated cost effectively and precisely, and optical aberrations...
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7345824 |
Light collimating device
A collimating device and a transflector for use in a system having a backlight is disclosed herein. In one embodiment of the application, the collimating device and the transflector each include an...
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7339752 |
Image pick-up lens system
An image pick-up lens system from an object side to an image side includes an aperture stop ( 10 ), and a meniscus-shaped lens ( 20 ) having a concave surface on the object side and a convex...
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7336430 |
Extended depth of field using a multi-focal length lens with a controlled range of spherical aberration and a centrally obscured aperture
An extended depth of field is achieved by a computational imaging system that combines a multifocal imaging subsystem for producing a purposefully blurred intermediate image with a digital...
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7336423 |
Hybrid lens
A hybrid lens ( 10 ) includes a plastic lens ( 12 ) and a glass coating film ( 14 ). The plastic lens is manufactured by injection molding. The glass coating film is formed on an outer surface of...
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7327525 |
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...
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7317580 |
Zoom lens
In this invention, to provide a compact zoom lens having a small number of optical element groups to be driven and a simple moving mechanism, at least one of a plurality of optical element groups...
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7317578 |
Imager to imager relay lens system
A lens system for use in a two-stage projection system that relays light output from a first imager on a pixel-by-pixel basis onto a second imager (e.g. an LCOS). The lens system includes a double...
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7307791 |
Head mounted device
A head-mounted display (HMD) comprises a frame for hanging on a user's head, and a display device affixed to the frame. The display device comprises alight source, a driving circuit for generating...
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7302181 |
Single lens multiple light source device
An optical communication device having multiple light sources under a single lens. The optical communication device has two light sources. The optical communication device has a lens optically...
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7301706 |
Complex lens
An embodiment of a complex lens ( 1 ) includes a central substrate ( 10 ), two opposite glass layers ( 12 ), and two opposite IR-cut layers ( 13 ). The substrate is made of transparent plastic,...
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7286302 |
Optical system, image pickup device and digital apparatus
A wide angle of view optical system, suitable for monitor cameras such as an in-vehicle camera and a security camera, having a reduced optical entire length and aberration correction for forming an...
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7283702 |
Method and apparatus for optimizing the target intensity distribution transmitted from a fiber coupled array
Encircled far field energy is substantially increased by modifying the near field energy distribution of radiation from each fiber in an emitting array. Each beamlet output from a fiber is modified...
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7271963 |
Bi-curvature lens for light emitting diodes and photo detectors
A bi-curvature lens for diodes in an infrared wireless communication transceiver is disclosed. Devices having such a bi-curvature lens, such as a light emitting device, a light detecting device,...
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7262924 |
Optical system and image pickup apparatus including the same
At least one exemplary embodiment is directed to an optical system which includes a compound optical element including a lens element and a resin layer having different optical characteristics and...
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7236314 |
Compact lens system
A compact lens system includes, in succession from an object side to an image side, an aspheric first lens element ( 1 ) having a positive power, an aperture stop ( 4 ), an aspheric second lens...
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7230770 |
Projection lenses having color-correcting rear lens units
Projection lenses for use with pixelized panels (PP) are provided. The projection lenses have a first unit (U 1 ) separated from a positive second unit (U 2 ). The lenses are telecentric on the...
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7227703 |
Aspheric lens and method for making same
An aspheric lens ( 1 ) includes a substrate ( 10 ) and an aspheric film ( 12 ). The substrate ( 10 ) is made of glass, and has a spherical surface ( 102 ). The aspheric film ( 12 ) is formed on a...
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7215477 |
Zoom lens and image display apparatus including the zoom lens
Provided is a projection lens, including: a plurality of moving lens units that move on an optical axis for zooming; and a plurality of plastic lenses containing plastic, in which when a focal...
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7212354 |
Lens system for digital camera
A lens system ( 46 ) for a digital camera consecutively includes a first lens element ( 20 ), a second lens element ( 30 ), and a third lens element ( 40 ). The first lens element is biconvex and...
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7180673 |
Mechanically-adjustable optical phase filters for modifying depth of field, aberration-tolerance, anti-aliasing in optical systems
An optical system with mechanical adjustment provides for the rotation and/or translation of one or more optical phase filters to variably select an extended depth of field, aberration-tolerance,...
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7177098 |
Image pickup lens
An image pickup lens can form an excellent optical image on a compact image pickup element having a large number of pixels. The image pickup lens includes, sequentially from the object side, an...
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7154678 |
Projection objective having adjacently mounted aspheric lens surfaces
A projection objective has at least five lens groups (G 1 to G 5 ) and has several lens surfaces. At least two aspheric lens surfaces are arranged so as to be mutually adjacent. These mutually...
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7149040 |
Scanning device including an objective lens formed of two materials
An optical scanning device ( 1 ) for scanning an information layer ( 4 ) of an optical record carrier ( 2 ), the information layer ( 4 ) being covered by a transparent layer ( 3 ) of thickness t d ...
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7149037 |
Zoom lens system and image-taking apparatus having the same
A zoom lens system includes plural optical units each of which includes plural optical elements each having a rotationally asymmetrical surface, and changes optical power as the optical elements in...
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7145734 |
Windowed optical system having a tilted optical element to correct aberrations
A system includes a dome window and an optical system having a central optical path that passes through the dome window. The optical system includes a refractive optical element having an axis of...
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7145729 |
Foldable projection lenses
Projection lenses for use with pixelized panels (PP) are provided. The projection lenses have a first unit (U 1 ) separated from a positive second unit (U 2 ) by a distance sufficient to accept a...
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7142374 |
Optical system for laser riflescope
An optical system for a laser riflescope includes, an objective lens group ( 1 ), an eyepiece lens element ( 3 ) defining an optical axis with the objective lens group, and an erector lens group (...
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7130127 |
Terrestrial telescope with digital camera
A terrestrial telescope with digital camera has an imaging optical system having a group of objective lenses and an imaging element disposed at a position at which an optical image is formed by the...
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