Patents by Inventor Shuang Xu

Shuang Xu 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).

  • Patent number: 8787577
    Abstract: The invention discloses a method and a system for wireless transmission of content. The present invention relates generally to wireless network technology, Problems solved by the invention is that, the method for manually entering the shared key is neither convenient nor secure, while the method for transmitting the shared key over the wireless network also makes the shared key exposed to an unsafe environment. Embodiments of the invention provide the program as follows: a method and a system for wireless transmission of content, wherein, capturing shared key, using the shared key to encrypt the content, and then transmitting the encrypted content over the wireless network. Embodiments of the invention are suitable for terminals and devices wirelessly connected, and so on.
    Type: Grant
    Filed: July 18, 2012
    Date of Patent: July 22, 2014
    Assignee: NVIDIA Corporation
    Inventor: Shuang Xu
  • Publication number: 20140192502
    Abstract: Disclosed are a method and system to reduce impedance of printed circuit boards through an interconnecting of printed circuit boards using a square wave pattern of plated-through holes. A method of connecting a first printed circuit board to a second printed circuit board comprises forming a square wave pattern of the first printed circuit board and the second printed circuit board and adjoining the first printed circuit board and the second printed circuit board. The method also involves producing plated-through holes along the square wave pattern, a top section, and/or a bottom section of the adjoined first printed circuit board and second printed circuit board. The method further involves securing the top section and the bottom section using a first metal clip and a second metal clip, respectively, and connecting the first printed circuit board to the second printed circuit board by a wave soldering process.
    Type: Application
    Filed: January 8, 2013
    Publication date: July 10, 2014
    Inventor: Shuang Xu
  • Publication number: 20140184667
    Abstract: An AMOLED display panel comprising a plurality of color elements in each pixel with each of the color elements comprising a discrete plurality of illuminating units associated with a plurality of transistors operating in a binary mode. The plurality of illuminating units have different sizes in accordance with 2n size, where n is the illuminating unit's number. n may also be the bit position of the bit line that controls the illuminating unit. The collective luminance of each color element can be digitally controlled by selectively activating a combination of the discrete illuminating units to their nominal luminance. The discrete plurality of illuminating units in each pixel may be directly controlled by RGB pixel data without the requirement for digital analog conversion.
    Type: Application
    Filed: December 28, 2012
    Publication date: July 3, 2014
    Applicant: NVIDIA CORPORATION
    Inventor: Shuang Xu
  • Publication number: 20140133657
    Abstract: The present invention provides a mobile electronic device and an audio playing means thereof. The audio playing means comprises a first audio player and a second audio player for playing a left channel audio and a right channel audio respectively; a first audio receiver and a second audio receiver for receiving a first echo of the left channel audio and a second echo of the right channel audio in real time respectively; and a control unit for compensating the left channel audio and the right channel audio according to the first echo and the second echo which are received, and controlling the first audio player and the second audio player to play a compensated left channel audio and a compensated right channel audio respectively, wherein the compensated left channel audio and the compensated right channel audio are able to offset the first echo and the second echo respectively.
    Type: Application
    Filed: June 5, 2013
    Publication date: May 15, 2014
    Inventor: Shuang Xu
  • Publication number: 20140126148
    Abstract: An apparatus for dissipating heat is presented. The apparatus comprises a base provided with a recess on a top thereof for containing a portion of a flat panel electronic device. It also comprises a base heat sink disposed in the base. Finally, it comprises a heat-conducting plug with a first end thereof thermally contacting with the base heat sink, and a second end thereof extending upward from a bottom of the recess for plugging into a heat-conducting socket of the flat panel electronic device when the flat panel electronic device is placed on the base.
    Type: Application
    Filed: February 25, 2013
    Publication date: May 8, 2014
    Applicant: NVIDIA CORPORATION
    Inventor: Shuang Xu
  • Publication number: 20140124188
    Abstract: The present invention provides a liquid cooling system and a method for preventing leakage thereof. The liquid cooling system comprises: an enclosed cooling liquid circulating assembly with cooling liquid flowing circularly and air above the cooling liquid provided therein; a vacuum pump leading to the air in the enclosed cooling liquid circulating assembly; and a vacuum gauge for measurement of a pressure of the air in the enclosed cooling liquid circulating assembly, wherein the vacuum pump is turned on when the measured pressure is higher than a predetermined pressure, and the vacuum pump is turned off when the measured pressure is not more than the predetermined pressure; wherein the predetermined pressure is set to ensure that the pressure of the cooling liquid is not higher than the atmospheric pressure.
    Type: Application
    Filed: December 13, 2012
    Publication date: May 8, 2014
    Applicant: NVIDIA CORPORATION
    Inventor: Shuang Xu
  • Publication number: 20140125251
    Abstract: Embodiments of the present invention provide a flat panel electronic device and a current control system thereof. The current control system comprises: a detecting module for detecting a current in a main circuit of the flat panel electronic device; and a control mechanism for reducing a brightness level of a backlight unit of the flat panel electronic device when the current in the main circuit is larger than or equal to a threshold so that the current in the main circuit is reduced to be less than the threshold. The current control system provided by the present invention reduces the current in the main circuit by reducing the brightness level of the backlight unit. Therefore, it is able to reduce the processing time by more than 10 ms compared with the prior art, and the fast and effective response is an important factor for extending the life of the battery.
    Type: Application
    Filed: February 25, 2013
    Publication date: May 8, 2014
    Applicant: NVIDIA CORPORATION
    Inventors: Jun HUA, Shuang XU
  • Publication number: 20140125401
    Abstract: A system for controlling gatings of a multi-core processor, the system includes a pulse width modulation generator for generating a control square wave; and a phase shifter for shifting a phase of the control square wave to generate control square waves with different phases, and respectively inputting the control square waves with the different phases to a gating of each of multiple processing engines in the multi-core processor. A multi-core processor is provided that includes multiple processing engines. Each processing engine includes a gating, and a system for controlling the gating. Accordingly, in the multi-core processor, the load to be processed in a certain period of a working cycle can be averaged to be processed in a longer period of the working cycle. Consequently, current noise and voltage noise and temperature growth due to the load change can be reduced.
    Type: Application
    Filed: January 22, 2013
    Publication date: May 8, 2014
    Applicant: NVIDIA CORPORATION
    Inventor: Shuang Xu
  • Publication number: 20140111952
    Abstract: Embodiments of the invention provide methods and configuration for packaging multiple semiconductor ships in a semiconductor package. In one embodiment, an integrated circuit system includes a printed circuit board, a first MOSFET device disposed on a first surface of the printed circuit board, and a second MOSFET device disposed on a second surface of the printed circuit board, wherein the first MOSFET device overlaps an edge of the second MOSFET device in a direction extending through the printed circuit board.
    Type: Application
    Filed: October 19, 2012
    Publication date: April 24, 2014
    Applicant: NVIDIA CORPORATION
    Inventor: Shuang Xu
  • Patent number: 8699218
    Abstract: A portable computer system is disclosed according to the invention. The portable computer system comprises: a multi-functional processing unit with power consumption of no more than approximately 10 watts consisting of a single chip having a plurality of processors thereon, wherein each processor is operable for at least one task selected from a group consisting of computing, graphic processing and audio processing; a mother board to which the multi-functional processing unit is connected; a memory unit connected to the motherboard and in communication with the multi-functional processing unit; and an I/O interface connected to the motherboard and in communication with the multi-functional processing unit, the portable computer system is configured to insert into a interface of a peripheral device to communicate between the portable computer system and the peripheral device.
    Type: Grant
    Filed: April 8, 2011
    Date of Patent: April 15, 2014
    Assignee: NVIDIA Corporation
    Inventor: Shuang Xu
  • Patent number: 8655358
    Abstract: A wireless communication system includes: a first wireless communication terminal to register an external device, wherein a subscriber information management device transmits a location of the external device to the first wireless communication terminal based on a search result of the external device based on a search request for the external device, the search request being transmitted from the subscriber information management device to a second wireless communication terminal within a search target area, the second wireless communication terminal being identified by the subscriber information management device based on registration information including certain information and location information of the external device.
    Type: Grant
    Filed: May 22, 2012
    Date of Patent: February 18, 2014
    Assignee: Fujitsu Limited
    Inventors: Koichi Nakahama, Tatsuya Tanoue, Shinichi Kuranari, Atsushi Tsukazoe, Marie Kawano, Ryuichi Ebuchi, Mari Hamachi, Takeshi Yagyu, Keisuke Yoshino, Shuang Xu
  • Publication number: 20140043446
    Abstract: 3D display device, 3D display system and method for displaying 3D images are disclosed in the present invention. The 3D display device comprises: a display screen; a backlight means including a pulse light source; and a drive means used to receive video signals which are based on a standard video transmission protocol, so as to control the display screen to display 3D images according to the video signals, and control the pulse light source to emit a backlight pulse in the form of pulse during a vertical blank of each frame period of the video signals, wherein the duration of the backlight pulse is shorter than that of the vertical blank. The degrading of light is avoided in the 3D display device and the efficiency of the backlight can achieve almost 100%.
    Type: Application
    Filed: November 2, 2012
    Publication date: February 13, 2014
    Applicant: NVIDIA CORPORATION
    Inventor: Shuang Xu
  • Publication number: 20140043440
    Abstract: The present invention provides 3D glasses, a 3D display system and a 3D displaying method. The 3D display system comprises: 3D glasses, comprising a first sensor disposed on the 3D glasses for detecting an action of a head of a wearer and a second sensor disposed on the 3D glasses for detecting an action of an eyeball of the wearer; 3D display device, including a screen for displaying a 3D image; and a controller, for controlling a first operation of the 3D display device according to the action of the head, and controlling a second operation of the 3D display device according to the action of the eyeball. The 3D display system provided by the present invention can control the first and second operation of the 3D display device in response to the action of the head and the eyeball, so as to achieve human-machine interaction without any intermediate device. Therefore, it has the advantage of convenient use, etc.
    Type: Application
    Filed: November 2, 2012
    Publication date: February 13, 2014
    Applicant: NVIDIA CORPORATION
    Inventors: Hao Tang, Shuang Xu
  • Publication number: 20140043324
    Abstract: A 3D display system and a 3D displaying method are provided in the present invention. The 3D display system comprising: a display device; a detecting device, for detecting a viewing position of a viewer; and a control device, for controlling a video frame to be converted onto a virtual plane perpendicular to visual line of the viewing position according to the viewing position, and mapping converted video frame onto the display device to display a 3D image on the display device. The 3D display system provided by the present invention adjusts the virtual plane, onto which the video frame is converted, by detecting the viewing position of the viewer, such that the 3D image displayed on the display device can be adjusted according to the viewing position of the viewer. It causes that the viewer can view the 3D image having no deflection, without being limited by the viewing position.
    Type: Application
    Filed: November 2, 2012
    Publication date: February 13, 2014
    Applicant: NVIDIA CORPORATION
    Inventor: Shuang Xu
  • Publication number: 20130251149
    Abstract: The invention discloses a method and a system for wireless transmission of content. The present invention relates generally to wireless network technology, Problems solved by the invention is that, the method for manually entering the shared key is neither convenient nor secure, while the method for transmitting the shared key over the wireless network also makes the shared key exposed to an unsafe environment. Embodiments of the invention provide the program as follows: a method and a system for wireless transmission of content, wherein, capturing shared key, using the shared key to encrypt the content, and then transmitting the encrypted content over the wireless network. Embodiments of the invention are suitable for terminals and devices wirelessly connected, and so on.
    Type: Application
    Filed: July 18, 2012
    Publication date: September 26, 2013
    Applicant: NVIDIA CORPORATION
    Inventor: Shuang Xu
  • Publication number: 20120315902
    Abstract: A wireless communication system includes: a first wireless communication terminal to register an external device, wherein a subscriber information management device transmits a location of the external device to the first wireless communication terminal based on a search result of the external device based on a search request for the external device, the search request being transmitted from the subscriber information management device to a second wireless communication terminal within a search target area, the second wireless communication terminal being identified by the subscriber information management device based on registration information including certain information and location information of the external device.
    Type: Application
    Filed: May 22, 2012
    Publication date: December 13, 2012
    Applicant: FUJITSU LIMITED
    Inventors: Koichi NAKAHAMA, Tatsuya TANOUE, Shinichi KURANARI, Atsushi TSUKAZOE, Marie KAWANO, Ryuichi EBUCHI, Mari HAMACHI, Takeshi YAGYU, Keisuke YOSHINO, Shuang XU
  • Patent number: 8278894
    Abstract: A DC-DC converter adopted in a mobile device, for converting a DC input voltage to a DC output voltage is provided. The converter comprises an input circuit, a control circuit, and a switch. The input circuit is connected in series with a line for supplying the DC input voltage and includes a parallel connection of a first capacitor and a snubber circuit. The control circuit is provided for producing a control signal. The switch, connected with the input circuit, is adapted to turn ON or OFF in accordance with the control signal, so as to produce the DC output voltage.
    Type: Grant
    Filed: December 9, 2009
    Date of Patent: October 2, 2012
    Assignee: NVIDIA Corporation
    Inventors: Shuang Xu, Weiwei Tang
  • Publication number: 20110249391
    Abstract: A portable computer system is disclosed according to the invention. The portable computer system comprises: a multi-functional processing unit with power consumption of no more than approximately 10 watts consisting of a single chip having a plurality of processors thereon, wherein each processor is operable for at least one task selected from a group consisting of computing, graphic processing and audio processing; a mother board to which the multi-functional processing unit is connected; a memory unit connected to the motherboard and in communication with the multi-functional processing unit; and an I/O interface connected to the motherboard and in communication with the multi-functional processing unit, the portable computer system is configured to insert into a interface of a peripheral device to communicate between the portable computer system and the peripheral device.
    Type: Application
    Filed: April 8, 2011
    Publication date: October 13, 2011
    Applicant: NVIDIA Corporation
    Inventor: Shuang Xu
  • Publication number: 20110248993
    Abstract: A three-dimensional stereo display, and a system and method are provided for controlling the three-dimensional stereo display. The three-dimensional stereo display includes backlight, a first polarizer, a first liquid crystal panel, a second polarizer and a second liquid crystal panel which are sequentially arranged on the backlight source. The second liquid crystal panel switches the polarizing angle of the light travelling through and exiting from said second liquid crystal panel between a horizontal and vertical polarization. Due to the polarization direction of light could be changed by the liquid crystal panel, and makes the light for the left-eye image and the right-eye image are mutual perpendicular. The polarization direction of the light for the left-eye image is the same as that of the left lens, and the polarization direction of the light for the right-eye image is the same as that of the right lens.
    Type: Application
    Filed: April 11, 2011
    Publication date: October 13, 2011
    Applicant: NVIDIA Corporation
    Inventor: Shuang Xu
  • Publication number: 20110248777
    Abstract: The present invention provides a semiconductor chip with voltage adjustable function, said semiconductor chip is supplied with a power supply device and comprises a voltage regulating module for adjusting the voltage supplied to said semiconductor chip from said power supply device, based on the best operating voltage at which said semiconductor chip operates.
    Type: Application
    Filed: April 11, 2011
    Publication date: October 13, 2011
    Applicant: NVIDIA Corporation
    Inventor: Shuang Xu