Patents Examined by Rufus Phillips
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Patent number: 10337915Abstract: A light-detecting device and method for converting optical radiation on switched conductivity diodes. The device comprises one or more photosensitive cells connected to address and signal lines, each cell comprising the following elements connected in series: a photodetector, an initial charge input circuit, a charge converter for converting the charge generated by the photodetector signal in addition to the initial charge into photodetector output voltage, a comparator which converts the difference between the photodetector output voltage and reference voltage into a digital cell signal, a reading circuit for reading the digital cell signal through the address lines and the signal lines, a circuit for generating digital codes of the cell signal, a random access memory for storing the digital codes, a reading circuit for reading the digital codes of the cell signals on one or more outputs of the light-detecting device.Type: GrantFiled: May 25, 2017Date of Patent: July 2, 2019Assignee: Pinnacle Imaging CorporationInventors: Vanjushin Igor' Valer'Evich, Klimkovich Anton Grigor'Evich, Volodin Evgeuij Borisovich
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Patent number: 10302494Abstract: An optical device includes a waveplate sandwiched between first and second polarizers and is arranged to receive light emanating from an object or object image that is in motion relative to the optical device. A detector array includes one or more detector elements and is optically coupled to receive light from the second polarizer. Each detector element of the detector array provides an electrical output signal that varies according to intensity of the light received from the second polarizer. The intensity of the light is a function of relative motion of the object or the object image and the optical device and contains spectral information about an object point of the object.Type: GrantFiled: November 18, 2015Date of Patent: May 28, 2019Assignee: Palo Alto Research Center IncorporatedInventors: Alex Hegyi, Joerg Martini, Peter Kiesel, David K. Biegelsen
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Patent number: 10281327Abstract: An apparatus for analyzing light includes an input aperture for receiving light; a first set of one or more lenses configured to relay light from the input aperture; and a prism assembly configured to disperse light from the first set of one or more lenses. The prism assembly includes a plurality of prisms that includes a first prism, a second prism that is distinct from the first prism, and a third prism that is distinct from the first prism and the second prism. The first prism is mechanically coupled with the second prism and the second prism is mechanically coupled with the third prism. The apparatus also includes a second set of one or more lenses configured to focus the dispersed light from the prism assembly; and an array detector configured for converting the light from the second set of one or more lenses to electrical signals.Type: GrantFiled: November 22, 2017Date of Patent: May 7, 2019Assignee: STRATIOInventors: Jae Hyung Lee, Youngsik Kim, Yeul Na, Juhyung Kang
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Patent number: 10247539Abstract: The present invention is related with the two-channel point-diffraction interferometer for testing the optical systems or optical elements. The two-channel point-diffraction interferometer comprising a laser source inducing a linearly polarized laser beam which is divided by a beam splitter to a working channel and to a reference channel whereas the one half of light as working channel is directed from the first collimator to the working collimator by a first single-mode optical fiber to keep polarization of light unchanged, and another half of light as reference channel is directed from the second collimator to the reference collimator by a second single-mode optical fiber to keep polarization of light unchanged.Type: GrantFiled: December 27, 2016Date of Patent: April 2, 2019Assignee: DIFROTEC OÜInventors: Nikolay Voznesenskiy, Mariia Voznesenskaia, Tatiana Voznesenskaia
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Patent number: 10241033Abstract: A spectroscopic sensor that applies lights in a wavelength band containing plural wavelengths to an object and spectroscopically separates reflected lights or transmitted lights from the object using plural light band-pass filters that transmit the respective specific wavelengths and plural photosensor parts to which corresponding transmitted lights are input based on output results of independent photosensors. The spectroscopic sensor may be integrated in a semiconductor device or module by integration using a semiconductor process and downsizing may be realized.Type: GrantFiled: June 23, 2016Date of Patent: March 26, 2019Assignee: SEIKO EPSON CORPORATIONInventors: Akira Uematsu, Yoichi Sato, Akira Komatsu, Kunihiko Yano
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Patent number: 10241037Abstract: Systems and methods are disclosed to determine the concentration of a species within a sample. An example method may include collecting optical loss data over a range of frequencies from the sample using a spectroscopy system; placing the optical loss data into a plurality of bins, each bin having a defined frequency width; determining an average optical loss data value for the optical loss values within each bin that have an optical loss value less than a threshold value; removing the optical loss data within each bin having a value outside a tolerance range bounding the average optical loss data value for the respective bin; fitting a spectral curve to the remaining optical loss data; and determining the concentration of the species within the sample based on the spectral curve.Type: GrantFiled: October 20, 2015Date of Patent: March 26, 2019Assignee: Colorado State University Research FoundationInventor: Azer P. Yalin
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Patent number: 10234387Abstract: The invention optically analyzes a component in a sample having a material suspended. An optical analysis system that irradiates a liquid sample with light and analyzes a component of the sample using transmitted light transmitted through the sample includes a container accommodating the sample and an ultrasonic irradiation unit irradiating an ultrasonic wave for exciting the sample. The container includes a pair of light transmission wall portions between which the sample is disposed and which has light transmissivity, and one of the light transmission wall portions and the other of the light transmission wall portions are disposed to be separated from each other at a distance shorter than a wavelength of the ultrasonic wave.Type: GrantFiled: December 6, 2017Date of Patent: March 19, 2019Assignee: Hitachi, Ltd.Inventors: Takuya Kanbayashi, Shinichi Taniguchi, Akihiro Nojima, Yusuke Kaga
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Patent number: 10234400Abstract: An apparatus for detecting surface features is disclosed. The apparatus may include a plurality of strands configured to contain light and further configured to transmit light from a light source to a surface of an article. The apparatus may also include a detector configured to receive light reflected from the surface of the article via the plurality of strands, wherein the detector is further configured to detect features associated with the article.Type: GrantFiled: October 14, 2013Date of Patent: March 19, 2019Assignee: Seagate Technology LLCInventors: Joachim Walter Ahner, Florin Zavaliche, David M. Tung, Samuel Kah Hean Wong, Maissarath Nassirou, Henry Luis Lott, Stephen Keith McLaurin
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Patent number: 10203197Abstract: A region projected with pattern light in an image sensed by an image sensing unit which senses an image of a target object projected with pattern light is specified. Geometric features of the target object are searched for from a region other than the region projected with the pattern light in the sensed image based on the specified region. A position and orientation of the target object are derived based on the searched geometric features of the target object and geometric features of a model of the target object.Type: GrantFiled: June 11, 2013Date of Patent: February 12, 2019Assignee: Canon Kabushiki KaishaInventors: Yuichiro Hirota, Hisayoshi Furihata, Yusuke Nakazato
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Patent number: 10197495Abstract: A urine screen and urine analysis method for analyzing urine color to determine the hydration level of an individual. The urine screen is nonabsorbent. The urine screen includes a base member, a urinal dish, and a color scale. The urinal dish has a side wall that extends from the front side of the base member. The urinal dish is open at the top portion and is able to receive fluid into the urinal dish through the open top portion. The urinal dish includes a small drain hole. The color scale is applied to the front side of the base member and includes at least a plurality of shades of yellow. Each of the shades of yellow corresponds to a hydration level based on urine color.Type: GrantFiled: June 29, 2017Date of Patent: February 5, 2019Inventor: Daniel Gordon Drury
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Patent number: 10197397Abstract: Systems and methods for a small low cost resonator fiber optic gyroscope (RFOG) with reduced optical errors are provided. In one embodiment, a RFOG comprises: a light source; an optical chip configured to couple a clockwise optical signal and a counterclockwise optical signal from the light source into a fiber optic resonator and couple the clockwise optical signal and the counterclockwise optical signal from the fiber optic resonator to at least one photodetector. The fiber optic resonator comprises a fiber optic coil having a first end point and a second end point. The fiber optic coil has a 90-degree splice located substantially half-way between the first end point and the second end point, is wrapped around a first fiber stretcher located between the first end point and the 90-degree splice, and is wrapped around a second fiber stretcher that is located between the second end point and the 90-degree splice.Type: GrantFiled: October 28, 2014Date of Patent: February 5, 2019Assignee: Honeywell International Inc.Inventors: Glen A. Sanders, Lee K. Strandjord, Tiequn Qiu, Jianfeng Wu
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Patent number: 10197496Abstract: Technologies are generally described for determination and analysis of an optical profile of a liquid-based material to implement real-time monitoring of a composition of the liquid-based material for quality control. An imaging sub-system may include a plurality of illumination sources configured to illuminate the liquid-based material with light, and one or more detectors. The detectors may be configured to detect light reflected from a first surface of the liquid-based material, light reflected from a second surface of the liquid-based material, and/or light transmitted through the first surface and the second surface of the liquid-based material in response to the illumination.Type: GrantFiled: June 23, 2015Date of Patent: February 5, 2019Assignee: Empire Technology Development LLCInventor: Yansong Gu
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Patent number: 10156479Abstract: Systems, methods and other embodiments associated with spatial-domain Low-coherence Quantitative Phase Microscopy (SL-QPM) are described herein. SL-QPM can detect structural alterations within cell nuclei with nanoscale sensitivity (0.9 nm) (or nuclear nano-morphology) for “nano-pathological diagnosis” of cancer. SL-QPM uses original, unmodified cytology and histology specimens prepared with standard clinical protocols and stains. SL-QPM can easily integrate in existing clinical pathology laboratories. Results quantified the spatial distribution of optical path length or refractive index in individual nuclei with nanoscale sensitivity, which could be applied to studying nuclear nano-morphology as cancer progresses. The nuclear nano-morphology derived from SL-QPM offers significant diagnostic value in clinical care and subcellular mechanistic insights for basic and translational research. Techniques that provide for depth selective investigation of nuclear and other cellular features are disclosed.Type: GrantFiled: December 5, 2014Date of Patent: December 18, 2018Assignee: University of Pittsburgh—Of the Commonwealth System of Higher EducationInventors: Yang Liu, Randall E. Brand, Hoa V. Pham, Shikhar Fnu
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Patent number: 10106694Abstract: Disclosed herein are a structure for optical analysis that is capable of optically analyzing a small amount of a sample and an ink composition for manufacturing the same. A structure for optical analysis includes a support and an ink structure coupled to the support and configured to form a chamber on one surface of the support. The ink structure includes a first ink structural component configured to form a body of the ink structure and a second ink structural component formed at a lower portion of a side surface of the first ink, such that the first ink structural component and the second ink structural component have different slopes with respect to a direction of a center of the chamber.Type: GrantFiled: June 29, 2015Date of Patent: October 23, 2018Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Euy Hyun Cho, Ji Yun Kang, Ji Won Kim, Sung Ha Park, Beom Seok Lee
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Patent number: 10107686Abstract: An apparatus includes an image system for obtaining a digital image of a test strip and a processing system to identify the colors of the test strip, compare the colors to a standard and identify the likelihood that the test strip falls with the standard.Type: GrantFiled: March 3, 2015Date of Patent: October 23, 2018Assignee: AYALYTICAL INSTRUMENTS, INC.Inventors: Juan Ayala, Eric W Larson, Darren Bolgioni
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Patent number: 10078053Abstract: The present invention aims at realizing a gas concentration estimation apparatus with versatility wherein the gas concentration estimation apparatus estimates concentration of a target component in an analyte gas by analyzing a light emitted from plasma of the analyte gas. The present invention is directed to a gas concentration estimation apparatus including: a plasma generation device that turns an analyte gas into a plasma state; and an analysis device that analyzes plasma light emitted from the plasma generated by the plasma generation device and estimates concentration of a target component in the analyte gas wherein the analysis device estimates the concentration of the target component based on luminescence intensity of a wavelength component corresponding to luminescence from a predetermined radical within the plasma light, and the predetermined radical is different in atomic structure from the target component and includes an atom or a molecule separated from the target component.Type: GrantFiled: December 26, 2012Date of Patent: September 18, 2018Assignee: IMAGINEERING, INC.Inventor: Yuji Ikeda
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Patent number: 10060849Abstract: A device and method for identifying solid and liquid materials use near-infrared transmission spectroscopy combined with multivariate calibration methods for analysis of the spectral data. Near-infrared transmission spectroscopy is employed within either the 700-1100 nm or the 900-1700 nm wavelength range to identify solid or liquid materials and determine whether they match specific known materials. Uses include identifying solid (including powdered) and liquid materials with a fast measurement cycle time of about 2 to 15 seconds and with a method that requires no sample preparation, as well as quantitative analysis to determine the concentration of one or more chemical components in a solid or liquid sample that consists of a mixture of components. A primary application of such analysis includes detection of counterfeit drug tablets, capsules and liquid medications.Type: GrantFiled: February 18, 2016Date of Patent: August 28, 2018Assignee: Innovative Science Tools, Inc.Inventors: Ronald H Micheels, Don J Lee
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Patent number: 10048192Abstract: An optical device includes a first polarizer arranged to receive light emanating from an object moving along a trajectory. The first polarizer polarizes the light emanating from the object along a first polarization direction. A waveplate that has an optical retardance that varies as a function of position along the trajectory receives light from the first polarizer. The slow axis of the waveplate is at a first angle with respect to the first polarization direction. A second polarizer is arranged to receive light from the waveplate. The second polarizer polarizes light along a second polarization direction. At least one detector receives light from the second polarizer and provides an electrical output signal that varies with time according to intensity of the light received from the second polarizer.Type: GrantFiled: December 18, 2014Date of Patent: August 14, 2018Inventor: Alex Hegyi
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Patent number: 10048130Abstract: Methods and systems for Raman spectroscopy and context imaging are disclosed. One or two lasers can be used to excite Raman scattering in a sample, while a plurality of LEDs can illuminate the sample at a different wavelength. The LED light is collected by a lenslet array in order to enable a high depth of field. Focusing of the image can be carried out at specific points of the image by processing the light collected by the lenslet array.Type: GrantFiled: January 6, 2016Date of Patent: August 14, 2018Assignee: CALIFORNIA INSTITUTE OF TECHNOLOGYInventor: James L. Lambert
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Patent number: 10024647Abstract: A method of air refractive index correction for an absolute long distance measurement adopting a two-color method based on a single wavelength and a synthetic wavelength is provided. Two lasers emit two laser beams with a constant single wavelength and a variable wavelength, respectively, to form a synthetic wavelength chain from large to small through a laser interferometric system. Each order of the synthetic wavelength chain is used to obtain a series of the estimate values of optical distance with gradually increasing accuracy. After optical distances corresponding to a minimum synthetic wavelength and a single wavelength are obtained simultaneously, the corrected absolute distance is achieved according to the principle of the two-color method for air refractive index correction.Type: GrantFiled: May 17, 2016Date of Patent: July 17, 2018Assignee: ZHEJIANG SCI-TECH UNIVERSITYInventors: Benyong Chen, Shihua Zhang, Liping Yan