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High Contrast-related patent applications - as published by the U.S. Patent and Trademark Office (USPTO).


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Image feature alignment
Schlumberger Technology Corporation
November 23, 2017 - N°20170337675

Image feature alignment is provided. In some implementations, a computer-readable tangible medium includes instructions that direct a processor to access a reference feature point associated with a high contrast region in a first sub-image that is associated with a first section of a borehole. Instructions are also present that direct the processor to identify several candidate feature points in a ...
Compound and contrast agent for optical imaging having the compound
Canon Kabushiki Kaisha
November 23, 2017 - N°20170335182

To provide a compound having high tb and a contrast agent for optical imaging. The compound has a molecular weight of a specific range, the compound in which two polyethylene glycols are bonded to a specific cyanine pigment through a linker. The present invention provides a compound which has a high t/b and which can be used as a ...
High-contrast photonic crystal "and" logic gate
Canon Kabushiki Kaisha
October 26, 2017 - N°20170307820

The present invention discloses a high-contrast photonic crystal and logic gate, comprising a five-port two-dimensional photonic crystal, a nonlinear cavity unit and a y-shape and logic gate unit; and it includes a reference-light input port, two signal-input ports, a system signal-output port and an idle port; the nonlinear cavity unit is coupled with the y-shape and logic gate unit. The ...
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Photonic crystal memory type all-optical "aor" logic gate
Canon Kabushiki Kaisha
October 12, 2017 - N°20170293201

The present invention discloses a photonic crystal memory type all-optical “aor” logic gate, and including photonic crystal structure; the photonic crystal structure includes two input ports, an output port and an idle port; a first input end and a second input end of the photonic crystal structure are respectively connected with a signal a and a ...
Photonic crystal all-optical anti-interference self-locking trigger switch
Canon Kabushiki Kaisha
October 12, 2017 - N°20170293075

The present invention discloses a photonic crystal all-optical anti-interference self-locking trigger switch which includes a photonic crystal structure unit, an optical switch, an absorbing load and an internal or external reference light source, wherein said photonic crystal structure unit includes two signal-input ends, a signal-output end; a first input end of said photonic crystal structure unit is connected to a ...
High contrast inverse polarizer
Moxtek, Inc.
October 05, 2017 - N°20170285237

An embedded, inverse wire-grid polarizer (wgp) includes ribs 13 located over a surface of a transparent substrate 11, gaps 16 between the ribs 13, and a fill-layer 15 substantially filling the gaps 16. The fill-layer has a relatively high index of refraction, such as greater than 1. 4. At a wavelength of light incident upon the wgp, e∥ transmission can be greater than e⊥ transmission. ...
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High contrast, glass-based, writeable/erasable front projection screens
Corning Incorporated
September 21, 2017 - N°20170269466

High contrast, glass-based, writeable/erasable front projection screens are provided. The screens include a transparent glass sheet which has a front surface and a back surface separated by a distance d. The back surface is in optical contact with a diffusing element. During use of the projection screen, the glass sheet transmits image light from a projector to the diffusing ...
Display device, module, and electronic device
Semiconductor Energy Laboratory Co., Ltd.
September 21, 2017 - N°20170269440

A high-definition liquid crystal display device is provided. A liquid crystal display device with a high aperture ratio is provided. A liquid crystal display device with a high contrast ratio and display quality is provided. A liquid crystal display device capable of being driven at a low voltage is provided. The display device includes, between a pair of substrates, a ...
Minimum background estimation for peripheral equalization
Koninklijke Philips N.v.
September 21, 2017 - N°20170265830

The invention relates to peripheral equalization during a mammography x-ray examination. High contrast tissue pixel values are removed from the background estimate by finding the minimum intensity values of the pixel located in the neighbourhood, which have approximately the same distance to the skin line. Thus, high attenuating pixel values may be removed from the estimate and replaced by lower ...
Advanced telepresence environments
Koninklijke Philips N.v.
September 14, 2017 - N°20170264864

A telepresence communication system for group meeting rooms and personal home and office systems provides improved human factor experience through substantially life size images with eye level camera placement. The system provides switched presence interfaces so that conferees can select when to transmit their images during a conference and optionally provides individual microphones for each of conferee. Switched presence between ...
Quantum dot liquid crystal display device
Shenzhen China Star Optoelectronics Technology Co. Ltd.
September 07, 2017 - N°20170255055

The present invention provides a quantum dot liquid crystal display device. The quantum dot liquid crystal display device has a color filter substrate (10) that includes a first base plate (11), a quantum dot color filter (12) arranged on one side of the first base plate (11) that is adjacent to a liquid crystal layer (30), a one-way light guide film (13) arranged on one side ...
Method and system for biometric recognition
Eyelock Llc
August 24, 2017 - N°20170243075

High quality, high contrast images of an iris and the face of a person are acquired in rapid succession in either sequence by a single sensor and one or more illuminators, preferably within less than one second of each other, by changing the data acquisition settings or illumination settings between each acquisition.
Method and apparatus for high contrast imaging
Omnitek Partners Llc
August 17, 2017 - N°20170237885

An apparatus for improving contrast in an image captured by an imaging sensor. The apparatus including: an objective optical system positioned in an optical path of illumination light on an object; an image sensor positioned in the optical path such that light from the objective optical system is incident on the image sensor; a device having a variable transparency positioned ...
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Liquid crystal display panel
Shenzhen China Star Optoelectronics Technology Co. Ltd.
July 06, 2017 - N°20170192306

The present invention provides a liquid crystal display panel. The liquid crystal display panel includes a tft substrate and a cf substrate that are respectively provided with first and second alignment films that allow for vertical light alignment, so that after irradiation of ultraviolet light, the first alignment film and the second alignment film have alignment directions that are substantially ...
Infrared-light and low-light two-phase fusion night-vision sighting device
Huntercraft Limited
June 22, 2017 - N°20170176139

The present invention relates to the technical field of sighting device, and specifically relates to an infrared-light and low-light two-phase fusion night-vision sighting device. The night-vision sighting device comprises a field-of-view obtaining unit, a two-phase fusion unit, a control unit and a display unit, the two-phase fusion unit in the night-vision sighting device can perform infrared-light and low-light fusion processing ...
High contrast projection screen
Huntercraft Limited
June 01, 2017 - N°20170153450

An image display system includes a reflecting screen that has a reflecting surface. The reflecting surface includes hologram which reflects narrow bands of spectrum of incident lights toward desired direction. A projection display system includes a reflecting mirror(s) with hologram so that the image can be projected nearly vertical or short distance. This invention can be used as a ...
Dual-purpose, absorptive, reflective wire grid polarizer
Moxtek, Inc.
May 18, 2017 - N°20170139095

A wgp 10 can include an array of parallel, elongated rods 14 located over a surface of a transparent substrate 11 with gaps 15 between adjacent rods 14. Each of the rods 14 can include a reflective wire 13 sandwiched between ribs 12. One of the ribs 12 can be a transparent rib and one can be an absorptive rib. The wgp 10 can have high efficiency and high contrast ...
Interlayer film for laminated glass, and laminated glass
Sekisui Chemical Co., Ltd.
May 18, 2017 - N°20170136742

The present invention aims to provide an interlayer film for laminated glass which prevents a double image phenomenon in a specific area of laminated glass and enables display of high contrast images at a luminance within a certain range. The present invention also aims to provide a laminated glass including the interlayer film for laminated glass. The present invention relates ...
Hand held symbology reader illumination diffuser
Cognex Technology And Investment Llc
May 11, 2017 - N°20170132441

A hand held industrial identification symbol reader projects diffuse illumination onto a region of interest to produce high contrast images of symbols. The diffuse illumination is particularly well suited for producing images of symbols that are marked directly on objects. The diffuse illumination is created through the use of an optically translucent diffuser having a generally tapered shape that distributes ...
Monomer, polymer, resist composition, and patterning process
Shin-etsu Chemical Co., Ltd.
May 11, 2017 - N°20170131635

A monomer of formula (1a) or (1b) is provided wherein a is a polymerizable group, r1-r6 are monovalent hydrocarbon groups, x1 is a divalent hydrocarbon group, z1 is an aliphatic group, z2 forms an alicyclic group, k=0 or 1, m=1 or 2, n=1 to 4. A useful polymer is obtained by polymerizing the monomer. A resist composition comprising the polymer has improved ...
System and method for analysis of a sample
Lightwave Science, Inc.
May 04, 2017 - N°20170122969

A system including a light source, sampling tray, and a plurality of fiber optics positioned to achieve high contrast to improve accuracy and eliminate the need to rotate the sample. A composite light image from the fiber optics is fed to a spectrometer which converts the reflected light into a fingerprint corresponding to the concentration of at least one substance ...
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