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| Patent # | Description |
|---|---|
| US-6,992,838 |
Objective lens with the diffractive surface for DVD/CD compatible optical
pickup Disclosed is an objective lens for a DVD/CD compatible optical pickup, which improves optical efficiency while minimizing aberration occurring due to different... |
| US-6,992,837 |
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... |
| US-6,992,836 |
Lens barrel having cam-cylinder with cam-groove and varying wall
thickness, lens barrel having guide-cylinder... A lens barrel includes a lens-holding cylinder which supports a lens and is provided with a cam-follower and a rectilinear key; a cam-cylinder having a... |
| US-6,992,835 |
Zoom lens and imaging device A zoom lens has an optical axis and includes: a negative first lens group capable of being moved for zooming and disposed nearest to the front end; a positive... |
| US-6,992,834 |
Objective with birefringent lenses Objective (1, 601), in particular a projection objective for a microlithography projection apparatus, with first birefringent lenses (L108, L109, L129, L130) and... |
| US-6,992,833 |
Color combining optical system, projection-type display optical system,
projection-type image display... A color combining optical system which can suppress occurrence of a thermal problem and increase in size is disclosed. The color combining optical system... |
| US-6,992,832 |
Production method of microlens array, liquid crystal display device and
production method thereof, and projector A method of producing a microlens array includes a patterning step of forming a first optical resin layer having a first refractive index on a transparent... |
| US-6,992,831 |
Lens sheet and method for producing it The invention relates to a lens sheet applicable to a screen for a pixel type projection TV characterized in high quality and definition and a simple producing... |
| US-6,992,830 |
Projection display having an angle-selective coating for enhanced image
contrast, and method for enhancing... A projection display includes a light source, a spatial light modulator that receives a light from the light source, and an angle-selective coating disposed to... |
| US-6,992,829 |
Apparatus for directing electromagnetic radiation Apparatus for directing electromagnetic radiation (EMR) comprising an EMR source for producing discrete pulses of radiation, an EMR splitter, the EMR splitter... |
| US-6,992,828 |
Optical attentuator system A uniform optical attenuation system for high power detection comprises a detector unit (11), a plurality of diffusing elements (14, 15, 16, 17) for receiving... |
| US-6,992,827 |
Antiglare film, method for fabricating the same, polarizer element and
display device employing the same, and... An antiglare film has an internal diffusion layer, composed of a transparent matrix and a transparent diffusive material, and surface irregularities. The... |
| US-6,992,826 |
Devices based on an array of light-filtering channels with surface plasmon
interference filters Devices based on surface plasmon filters having at least one metal-dielectric interface to support surface plasmon waves. A multi-layer-coupled surface plasmon... |
| US-6,992,825 |
Volume phase grating, a method for producing such a volume phase grating,
an optical module and a semiconductor... In a volume phase grating, a plurality of phase gratings for causing a refractive index of a substrate having an incident surface and a launched surface facing... |
| US-6,992,824 |
Efficient wave propagation for terahertz imaging and sensing A method of wave propagation from 100 10000 GHz. The currently disclosed method and apparatus adapts micro-opto-electro-mechanical systems (MOEMS) technologies... |
| US-6,992,823 |
Chromatic dispersion compensator A chromatic dispersion compensator comprises a beam delay element, such as one or more Gires-Tournois etalon (GTEs); a beam director, such as a polarizing beam... |
| US-6,992,822 |
Projection display system using a diffuse reflecting polarizer In one embodiment, a projection screen includes a diffuse reflecting polarizer that diffusively reflects light polarized in a first direction and transmits light... |
| US-6,992,821 |
Variable power finder and imaging apparatus A variable power finder is proposed, which comprises: an objective system; an inverting system; and an ocular system, in order from object side. The third lens... |
| US-6,992,820 |
Illuminating optical system and microscope provided with the same A microscope of the present invention causes laser light emanating from a light source to enter an optical fiber via a laser light introducing mechanism. The... |
| US-6,992,819 |
High-resolution optical microscope for quick detection of pathogens A direct-view optical microscope system is provided which uses high-energy light from a phenomenon known as non-resonant Raman-scattering to illuminate a... |
| US-6,992,818 |
Self-adjusting interferometric outcoupler and method A self-adjusting interferometric outcoupler. In the most general sense, the invention is an optical system (100) comprising a first mechanism (112) for... |
| US-6,992,817 |
Double pass optical amplifier with unidirectional compensation of
chromatic dispersion and obstruction of... 1--"A DOUBLE PASS OPTICAL AMPLIFIER WITH UNIDIRECTIONAL COMPENSATION OF CHROMATIC DISPERSION AND OBSTRUCTION OF BACKSCATTERING", composed by an EDFA, whose... |
| US-6,992,816 |
Apparatus and method for gain-spectrum-tilt compensation in
long-wavelength band dispersion-compensating hybrid... The present invention provides an apparatus and method for compensating for the variation of a gain spectrum attributable to the temperature variation of a fiber... |
| US-6,992,815 |
Optical transmission systems including optical amplifiers and methods of
use therein Optical transmission systems of the present invention include at least one optical amplifier configured to provide optical amplification of one or more... |
| US-6,992,814 |
Wide-band raman amplifiers A method of improving performance of an optical amplifier and an optical fiber amplifier including an optical fiber having a zero-dispersion wavelength, and at... |
| US-6,992,813 |
Optical amplifying device In order to realize continuous gain control while realizing polarization independent amplifying characteristic, an optical amplifying device is configured to... |
| US-6,992,812 |
Image production apparatus, image display apparatus, image display method
and optical modulation device... An image production apparatus, an image display apparatus and an image display method are disclosed which can reduce the ununiformity in luminance and color... |
| US-6,992,811 |
Display device Display devices, display device methods and display device software that allows users to, for example, immediately return a display device to the powered up... |
| US-6,992,810 |
High fill ratio reflective spatial light modulator with hidden hinge A micro mirror array having a hidden hinge that is useful, for example, in a reflective spatial light modulator. In one embodiment, the micro mirror array... |
| US-6,992,809 |
Multi-conjugate liquid crystal tunable filter A hyper-spectral imaging filter has serial stages along an optical signal path in a Solc filter configuration. Angularly distributed retarder elements of equal... |
| US-6,992,808 |
Electrochromic display device and electrodeposition-type display device Between each transparent pixel electrode driven by TFT as a drive device and a common electrode, a polymer layer located in contact with the transparent pixel... |
| US-6,992,807 |
Optical scanning apparatus and image forming apparatus using the same This invention provides an optical scanning apparatus in which the degree of sensitivity of the bending of a scanning line on a surface to be scanned resulting... |
| US-6,992,806 |
Optical element, optical deflection element, optical multiplexing element,
and scanning apparatus In an optical element, a propagation direction of incident light beam is largely changed and the direction-changed light beam is derived in a desirable direction... |
| US-6,992,805 |
Holographic filter with a wide angular field of view and a narrow spectral
bandwidth A holographic optical filter that includes an optical recording medium for storing several multiplexed reflection holograms that are formed by successive... |
| US-6,992,804 |
Part made of transparent material and headlight lens for vehicles A part (1) made of transparent material that allows visible light waves to pass therethrough, said part comprising outer faces (11, 12) defining a solid body... |
| US-6,992,803 |
RGB primary color point identification system and method A system and method for identifying primary color chromaticity coordinates of a red, green and blue light sources includes a tristimulus filter the receives the... |
| US-6,992,802 |
Height adjustment structure A height adjustment structure for an image-scanning device. The scanning device has a guiding rod, an optical system and a document panel. The guiding rod and... |
| US-6,992,801 |
Image reading system, image reading apparatus, information processing
apparatus, control method of image... It is an object of the present invention to provide an excellent image reading apparatus that realizes miniaturization and reduces a total reading time at the... |
| US-6,992,800 |
Image reading apparatus and method of setting reading position Disclosed is an image reading apparatus for moving a document reading unit to a point below a document feeder that feeds documents, and emitting light from a... |
| US-6,992,799 |
Scanner with an output port connected to a printer or a storage device A scanner with an output port connected to a printer or a storage device. The scanner includes a casing, a scanning module installed inside the casing for... |
| US-6,992,798 |
Apparatus, product, and method of trapping using a distance buffer A method, apparatus, and product to generate trap areas. One embodiment is a method for generating a trap pixel of a trap area surrounding one or more trapping... |
| US-6,992,797 |
Systems and methods for embedding messages in look-up tables System and methods provide a message, generated based on a message authentication code (MAC), embedded in a look-up table associated with an image. The embedding... |
| US-6,992,796 |
Image forming apparatus and image processing method used for the same When an image forming means forms a reading gradation pattern chart, gradation patterns are formed so as to prevent an intensified electric field caused by a... |
| US-6,992,795 |
Electrophotographic apparatus and electrophotograph image processing
method An electrophotographic apparatus which represents halftone through use of halftone spots formed of a plurality of dots, to thereby reproduce an image and which... |
| US-6,992,794 |
Managing print jobs The invention provides methods for managing print jobs. One such method includes (a) accumulating discrete print jobs electronically from respective customers,... |
| US-6,992,793 |
Image forming apparatus and its control method An appending method is determined based on the first print density value detected by a printer engine to control switching of the appending method and an add-on... |
| US-6,992,792 |
Digital pulse width modulator for use in electrostatic printing mechanisms A fully digital pulse width modulator substantially doubles resolution in a laser printer by outputting data to the laser on both the rising and falling edges of... |
| US-6,992,791 |
Print engine/controller with half-toner/compositor A print engine/controller (10) configured to be coupled with others to drive an ink drop printhead (33). It has an interface (27) at which to receive compressed... |
| US-6,992,790 |
Method and apparatus for improving page description language (PDL)
efficiency by recognition and removal of... A method and system for removing redundant or repeated information from a multiple-page document file is described. A master prolog is created for storing... |
| US-6,992,789 |
Method, system, and program for managing a multi-page document Provided is a method, system, and program for managing a multi-page document. A plurality of input files are received including digital representations of... |
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