Patents by Inventor Xiaoping Hu
Xiaoping Hu has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20130068934Abstract: A multi-spectrum photosensitive device and method for sampling the same, the method includes a first combining process for combining-and-sampling two adjacent pixels in same row different column, or in different row same column, or in different row different column in the pixel array to obtain a sampling data of a first combined pixel; a second combining process for combining-and-sampling the sampling data of the first combined pixel obtained from the first combining unit to obtain a sampling data of a second combined pixel; and a third combining process, a sampling data of a third combined pixel is obtained by a method for color conversion and image scaling in a digital space. The application is applied for a multi-pixel sharing reading and amplifying circuit of a single-layer color photosensitive chip, a single-sided multi-layer photosensitive chip, and a double-sided double-layer photosensitive chip.Type: ApplicationFiled: June 1, 2010Publication date: March 21, 2013Applicant: BOLY MEDIA COMMUNICATIONS (SHENZEN) CO., LTD.Inventor: Xiaoping Hu
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Publication number: 20130068932Abstract: The present application relates to a photosensitive device as well as a reading method and a reading circuit thereof. The photosensitive device comprises a pixel array and a read circuit, wherein a transfer gate for connecting adjacent pixels and transferring charge between the connected pixels is arranged among at least some designated pixels in the pixel array, the read circuit is used for reading charge of a pixel in the pixel array, said charge is at least one of self-charge of said pixel, charge transferred from an adjacent pixel of said pixel, superposition of the self-charge of said pixel and the charge transferred from one or more pixels adjacent to said pixel, and superposition of the transfer charges of two or more pixels adjacent to said pixel.Type: ApplicationFiled: June 1, 2010Publication date: March 21, 2013Applicant: BOLY MEDIA COMMUNICATIONS (SHENZEN) CO., LTD.Inventor: Xiaoping Hu
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Publication number: 20130062506Abstract: A multi-spectrum photosensitive device comprises two, three, or four composite sensing pixels arranged in layers up and down in a base layer of P-type or N-type silicon by means of single-sided processing or double-sided processing, each composite sensing pixels can sense respectively spectrum orthogonal or complementary to each other in visible light or visible and infrared light. The basic sensing pixels on different layers of the composite sensing pixels can be designed to sense different colors or spectrums, so that a multi-spectrum photosensitive chip can be achieved by repeatedly arranging the macro units consisting of more than one composite sensing pixel. The present disclosure also includes a new multi-layer sensing pixel, and examples of which used in a single-sided double-layer, or a double-sided double-layer, or a double-sided three-layer, or a double-sided four-layer, or a single-sided mixed double-layer, or a double-sided mixed with double-layer or a multi-layer multi-spectrum sensing device.Type: ApplicationFiled: June 1, 2010Publication date: March 14, 2013Applicant: BOLY MEDIA COMMUNICATIONS (SHENZEN) CO., LTD.Inventor: Xiaoping Hu
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Publication number: 20130062512Abstract: The present disclosure relates to a multi-spectrum photosensitive device and manufacturing method thereof. The multi-spectrum photosensitive device comprises at least one opaque base layer; each base layer having at least two sides, at least two of the sides are provided with photosensitive pixel groups, each photosensitive pixel group is used for sensing light of either spectrum irradiated from the obverse direction of the located side. Alternatively, the multi-spectrum photosensitive device comprises at least one transparent base layer; each base layer having at least two sides, at least two of the sides are provided with photosensitive pixel groups, each photosensitive pixel group is used for sensing light of interested spectrum irritated from the obverse direction or reverse direction of the located side.Type: ApplicationFiled: June 1, 2010Publication date: March 14, 2013Applicant: BOLY MEDIA COMMUNICATIONS (SHENZEN) CO., LTD.Inventor: Xiaoping Hu
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Publication number: 20120243233Abstract: The light source module provided by the present invention includes a base plate and a plurality of LED lights arranged on the base plate. These LED lights are distributed on the base plate in such manner that all of the light centers of the LED lights define together a triangle shape. An angle of 50-70 degree is defined between a LED light and two adjacent LED lights. The present invention has many advantages. For example, because the LED lights are distributed in a triangle arrangement, the dark regions are reduced effectively. Moreover, alternative dark and bright strips are eliminated. In addition, the base plates can be assembled quickly by means of the connective members.Type: ApplicationFiled: March 25, 2011Publication date: September 27, 2012Inventor: XIAOPING HU
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Patent number: 8146032Abstract: One embodiment of the present invention provides a system that performs an RLC extraction for a three-dimensional integrated circuit (3D-IC) die. During operation, the system receives a 3D-IC die description. The system then transforms the 3D-IC die description into a set of 2D-IC die descriptions, wherein the transform maintains equivalency between the set of 2D-IC die descriptions and the 3D-IC die description. Next, for each 2D-IC die description in the set of 2D-IC die descriptions, the system performs an electrical property extraction using a 2D-IC extraction tool to obtain a 2D-IC RLC netlist file. The system then combines the set of 2D-IC RLC netlist files for the set of 2D-IC die descriptions to form an RLC netlist file for the 3D-IC die description.Type: GrantFiled: January 30, 2009Date of Patent: March 27, 2012Assignee: Synopsys, Inc.Inventors: Qiushi Chen, Beifang Qiu, Charles C. Chiang, Xiaoping Hu, Mathew Koshy, Baribrata Biswas
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Patent number: 8077002Abstract: A magnet primarily for use in MRI applications comprises a pair of poles oriented about a plane of symmetry parallel to each therebetween defining an air gap region, magnetic field sources secured on the surfaces of the poles opposite the air gap that have yokes disposed on them, the yokes connected to each other by returns so that the entire magnet assembly can form a closed magnetic flux circuit to substantially confine the magnetic fields generated by the apparatus in the air gap where an imaging region is formed to place subjects for the purposes of examination.Type: GrantFiled: December 6, 2006Date of Patent: December 13, 2011Inventors: Jianyu Lian, Grum Teklemariam, Xiaoping Hu
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Patent number: 8032335Abstract: Provided are methods, systems and computer program products evaluating magnetic resonance (MR) signals from a sample. The methods and systems can be used to evaluate MR signals from various constituents (e.g., metabolites, macromolecules) of the sample.Type: GrantFiled: October 9, 2008Date of Patent: October 4, 2011Assignee: Emory UniversityInventors: Diego R. Martin, Xiaoping Hu, Nashiely Pineda-Alonso, Puneet Sharma
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Patent number: 7902723Abstract: A screw thread driving polyhedral ultrasonic motor includes a stator, a rotor and multiple piezoelectric plates being bonded to the stator or the rotor. The stator and the rotor have screw threads matched with each other. The stator and the rotor are connected via the screw threads.Type: GrantFiled: November 16, 2006Date of Patent: March 8, 2011Assignee: Tsinghua UniversityInventors: Tieying Zhou, Cunyue Lu, Yu Chen, Deyong Fu, Xiaoping Hu, Yi Li, Bin Tian, Zhengping Wang
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Publication number: 20100295487Abstract: An ultrasonic motor driving method, which drives the piezoelectric elements into two-two or three-three groups; within two-two group, one of the output terminals of the first and second piezoelectric elements are connected to the first and third nodes respectively, and the other terminals of the first and second piezoelectric elements are both connected to the second node which is the common ground terminal, the adjacent piezoelectric elements in one two-two group are polarized in sequence of “++??”. Within three-three group, one of the output terminals of the first to third piezoelectric elements are connected to the first to third nodes respectively, and the other terminals of the first to third piezoelectric elements are all connected to the fourth node which is the common ground terminal, all piezoelectric elements are polarized in forward direction.Type: ApplicationFiled: April 23, 2010Publication date: November 25, 2010Inventors: Yi Li, Yong Peng, Xiaoping Hu
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Publication number: 20100278210Abstract: A balance for a simultaneous differential thermal analysis instrument that combines gravimetric measurements with measurements that require propagation of electrical signals from the sample holder to an apparatus for recording the electrical signals. In one embodiment of the present invention, conductive cross-flexure pivots are used in a parallel guided balance to mechanically and electrically couple the components of the balance mechanism to the apparatus that records the electrical signals.Type: ApplicationFiled: April 26, 2010Publication date: November 4, 2010Applicant: WATERS TECHNOLOGIES CORPORATIONInventors: Robert L. Danley, Xiaoping Hu
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Publication number: 20100278209Abstract: A balance for a simultaneous differential thermal analysis instrument that combines gravimetric measurements with measurements that require propagation of electrical signals from the sample holder to an apparatus for recording the electrical signals. In one embodiment of the invention, conductive flat planar strip flexure pivots are used in a single-meter movement balance to mechanically and electrically couple the components of the balance mechanism to the apparatus that records the electrical signals.Type: ApplicationFiled: April 26, 2010Publication date: November 4, 2010Applicant: WATERS TECHNOLOGIES CORPORATIONInventors: Robert L. Danley, Xiaoping Hu
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Publication number: 20100199236Abstract: One embodiment of the present invention provides a system that performs an RLC extraction for a three-dimensional integrated circuit (3D-IC) die. During operation, the system receives a 3D-IC die description. The system then transforms the 3D-IC die description into a set of 2D-IC die descriptions, wherein the transform maintains equivalency between the set of 2D-IC die descriptions and the 3D-IC die description. Next, for each 2D-IC die description in the set of 2D-IC die descriptions, the system performs an electrical property extraction using a 2D-IC extraction tool to obtain a 2D-IC RLC netlist file. The system then combines the set of 2D-IC RLC netlist files for the set of 2D-IC die descriptions to form an RLC netlist file for the 3D-IC die description.Type: ApplicationFiled: January 30, 2009Publication date: August 5, 2010Applicant: SYNOPSYS, INC.Inventors: Qiushi Chen, Beifang Qiu, Charles C. Chiang, Xiaoping Hu, Mathew Koshy, Baribrata Biswas
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Publication number: 20100141771Abstract: A multi-spectrum sensing device comprises a top layer and a bottom layer. The top layer comprises sensing pixels for sensing a first group of colors. The bottom layer comprises sensing pixels for sensing a second group of colors. At least one of the layers comprises sensing pixels having at least two or more than two spectra.Type: ApplicationFiled: January 8, 2010Publication date: June 10, 2010Applicant: BOLY MEDIA COMMUNICATIONS (SHENZHEN) CO., LTDInventor: Xiaoping Hu
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Publication number: 20100131016Abstract: A system for performing a less invasive surgical procedure and, in particular, devices and methods for spinal fixation. The system comprises dilation tool(s), at least one working/insertion cannula, a plurality of screws, at least one fixation rod for connecting the screws, and a rod inserter. The dilation tool(s) may be used to dilate an incision made in a patient to form an opening. Thereafter, a drill may be used to form holes in the vertebrae. An insertion cannula may be attached to a screw and inserted into the opening. The screws may be polyaxial screws and may be inserted into the vertebrae using a screwdriver. An operator may then move the insertion cannula to manipulate a head portions of the screws such that the head portions may be aligned to receive a fixation rod. A rod inserter may be used to insert a fixation rod into the head portions. After the fixation rod is in place, it may be locked to the screws, thereby fixing the system in place on the spine.Type: ApplicationFiled: January 25, 2010Publication date: May 27, 2010Inventors: David Gerber, Shaun Hanson, Xiaoping Hu, Douglas Scott Kephart, Kyle Kuntz, Andrew Max Lee
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Publication number: 20100111164Abstract: A method and system for minimizing bus traffic in a video decoder is disclosed. A method and system for processing a portion of a reference picture includes designating the reference picture, selecting a display picture within the reference picture, transmitting a display picture size, and sending a display picture offset. A method and system for compressing IDCT coefficients corresponding to a macroblock, the macroblock having a plurality of blocks, includes locating each non-zero IDCT coefficient corresponding to one of the plurality of blocks, assigning an index to the non-zero IDCT coefficient, the index designating a location within the one of the plurality of blocks, packing the non-zero IDCT coefficient in little endian format, and specifying a terminator bit corresponding to the non-zero coefficient, the terminator bit indicating the end of all non-zero IDCT coefficients for the one of the plurality of blocks.Type: ApplicationFiled: January 14, 2010Publication date: May 6, 2010Inventors: Hungviet Nguyen, Xiaoping Hu, Kuei-Chung Tu, Yan Liu
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Patent number: 7697828Abstract: An integrated optical auto focus and zooming system is provided, which includes a first optical lens, a first hollow casing, a second hollow casing, a plurality of piezoelectric elements. The first optical lens is placed in the first hollow casing, the first hollow casing and the second hollow casing are screwed with each other, and the plurality of piezoelectric elements are attached either on the first hollow casing or the second hollow casing. Upon the excitation of mechanical vibrations by the plurality of piezoelectric elements, a traveling wave is generated on the attached casing, so as to drive the other casing to rotate and then to move axially. Additional lens groups and casings can be added in the same way so to achieve multiple relative motions between lens groups and image sensor, and thus achieving the objectives of focusing and zooming.Type: GrantFiled: April 13, 2007Date of Patent: April 13, 2010Assignees: Boly Media Communications (Shenzhen) Co., Ltd., Tsinghua UniversityInventors: Xiaoping Hu, Bin Tian, Yi Li, Tieying Zhou, Cunyue Lu, Yu Chen
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Patent number: 7672372Abstract: A method and system for minimizing bus traffic in a video decoder is disclosed. A method and system for processing a portion of a reference picture includes designating the reference picture, selecting a display picture within the reference picture, transmitting a display picture size, and sending a display picture offset. A method and system for compressing IDCT coefficients corresponding to a macroblock, the macroblock having a plurality of blocks, includes locating each non-zero IDCT coefficient corresponding to one of the plurality of blocks, assigning an index to the non-zero IDCT coefficient, the index designating a location within the one of the plurality of blocks, packing the non-zero IDCT coefficient in little endian format, and specifying a terminator bit corresponding to the non-zero coefficient, the terminator bit indicating the end of all non-zero IDCT coefficients for the one of the plurality of blocks.Type: GrantFiled: February 24, 2003Date of Patent: March 2, 2010Assignee: Intel CorporationInventors: Hungviet Nguyen, Xiaoping Hu, Kuei-Chung Tu, Yan Liu
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Patent number: 7666189Abstract: A system for performing a less invasive surgical procedure and, in particular, devices and methods for spinal fixation. The system comprises dilation tool(s), at least one working/insertion cannula, a plurality of screws, at least one fixation rod for connecting the screws, and a rod inserter. The dilation tool(s) may be used to dilate an incision made in a patient to form an opening. An insertion cannula may be attached to a screw and inserted into the opening. The screws may be polyaxial screws and may be inserted into the vertebrae using a screwdriver. An operator may then move the insertion cannula to manipulate a head portion of the screws such that the head portions may be aligned to receive a fixation rod. A rod inserter may be used to insert a fixation rod into the head portions.Type: GrantFiled: September 29, 2004Date of Patent: February 23, 2010Assignee: Synthes USA, LLCInventors: David Gerber, Shaun Hanson, Xiaoping Hu, Douglas Scott Kephart, Kyle Kuntz, Andrew Max Lee
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Patent number: 7643239Abstract: Embodiments of the present invention reduce the written-in run-out in servo data written to a storage medium. A set of servo controllers are evaluated and the controller having the best expected performance among the set is selected and employed. One embodiment of the present invention is a servo controller configured to select and employ a controller having a least amount of expected written-in run-out among a set of controllers. Another embodiment of the present invention is a method comprising a step for applying a set of controllers; and selecting a controller from the set of controllers with a least expected amount of written-in run out. Another embodiment of the present invention is a system comprising a servo controller for employing and selecting a disk controller that has a least expected amount of written-in run-out among a set of controllers.Type: GrantFiled: April 25, 2007Date of Patent: January 5, 2010Assignee: Seagate Technology LLCInventors: Yu Sun, Xiaoping Hu