Patents Assigned to Peking University Founder Group Co., Ltd.
  • Publication number: 20150040058
    Abstract: Methods, systems, and storage medium for inputting a variant character are disclosed. Methods can include: obtaining keystroke information of a user; creating a character input code according to the keystroke information; matching the character input code with an input code in a primary code table, obtaining location information of a variant character corresponding to a basic character which is currently inputted in a secondary code table; the primary code table comprising: a code of the basic character; obtaining a variant sequence of the variant character corresponding to the basic character which is currently inputted from the secondary code table according to the location information; displaying the variant characters in a candidate window by using the variant sequence of the variant character, so that the user selects for outputting.
    Type: Application
    Filed: December 3, 2013
    Publication date: February 5, 2015
    Applicants: Peking University Founder Group Co., Ltd., Beijing Founder Electronics Co., Ltd., Founder Information Industry Group
    Inventors: Guorong Zhang, Yuxin Wang
  • Publication number: 20150031174
    Abstract: A method for manufacturing an IGBT includes: forming oxide layers on the surfaces of the front and the back of an N-type substrate; forming a buffer layer in the surface of the back of the N-type substrate; forming protection layers on the surfaces of the oxide layers; removing the protection layer and the oxide layer overlying the front of the N-type substrate while reserving the oxide layer and the protection layer on the back of the N-type substrate for protection of the back of the N-type substrate; forming a front IGBT structure and applying a protection film on the surface of the front IGBT structure for protection of the front IGBT structure; removing the protection layer and the oxide layer overlying the back of the N-type substrate; forming a back IGBT structure and a back metal layer; and removing the protection film overlying the surface of the front IGBT structure.
    Type: Application
    Filed: November 29, 2013
    Publication date: January 29, 2015
    Applicants: Founder Microelectronics International Co., Ltd., Peking University Founder Group Co., Ltd.
    Inventor: Guangran Pan
  • Patent number: 8941881
    Abstract: A method for rasterizing a transparent page comprises interpreting the transparent page to obtain graphic entities, transparency properties of the graphic entities, and profile information of the graphic entities; dividing the transparent page into a transparent area and a nontransparent area according to the transparency properties of the graphic entities; identifying, from the graphic entities, an overlapping graphic entity having an overlapping portion with the transparent area according to the profile information of the graphic entities; and dividing the transparent area into a de-transparentizing area and an ultimate transparent area by using the overlapping graphic entity.
    Type: Grant
    Filed: December 31, 2012
    Date of Patent: January 27, 2015
    Assignees: Peking University Founder Group Co., Ltd., Beijing Founder Electronics Co., Ltd.
    Inventors: Zhangwei Meng, Ken Chen, Hao Lin
  • Patent number: 8943312
    Abstract: A method of authenticating an online read right of a digital content includes: receiving an online read first request from a terminal, the first request including first user information, obtaining first right information corresponding to the first user information, generating a first right model, obtaining first certificate information corresponding to the first right model, generating a second request including the first right model and the first certificate information, and authenticating the first certificate information and M function rights in the first right model.
    Type: Grant
    Filed: May 14, 2013
    Date of Patent: January 27, 2015
    Assignees: Peking University Founder Group Co., Ltd., Beijing Founder Apabi Technology Ltd.
    Inventors: Xiaolei Li, Wei Wan, Chao Qu, Chao Lei
  • Publication number: 20150021735
    Abstract: The invention provides a semiconductor device and a method of manufacturing the same. The inventive method includes: 1) forming a pad oxide layer on a substrate; 2) forming on the pad oxide layer a barrier layer with an isolation region pattern exposing the surface of the pad oxide layer; 3) injecting ions so that the ions enter the substrate through the surface of the pad oxide layer exposed by the isolation region pattern; 4) performing heat treatment the substrate to transversely diffuse the ions in the substrate to form an ion injection layer; 5) etching the pad oxide layer and the ion injection layer using the barrier layer with the isolation region pattern as a mask to form a shallow trench isolation region on the substrate; and 6) forming a field oxide layer in the shallow trench isolation region of the substrate.
    Type: Application
    Filed: November 27, 2013
    Publication date: January 22, 2015
    Applicants: Founder Microelectronics International Co., Ltd, PEKING UNIVERSITY FOUNDER GROUP CO., LTD.
    Inventor: Zhengfeng WEN
  • Publication number: 20140359420
    Abstract: The present invention provides a disaster recovery method used in document editing, comprising: storing the document to a local copy directory to form a local copy while editing the document; submitting the document to a server when editing of the document is finished; if the document is submitted successfully, deleting the local copy; if the document is not submitted successfully, recovering the document by using the local copy. The present invention also provides an apparatus, comprising: a backup module, used to store a document to a local copy directory to form a local copy while editing the document; a submitting module, used to submit the document to a server when editing of the document is finished; a deleting module, used to delete the local copy if the document is submitted successfully; a recovery module, used to recover the document using the local copy if the document is not submitted successfully.
    Type: Application
    Filed: December 2, 2013
    Publication date: December 4, 2014
    Applicants: BEIJING FOUNDER ELECTRONICS CO., LTD., PEKING UNIVERSITY FOUNDER GROUP CO., LTD.
    Inventor: Xuewu ZHU
  • Publication number: 20140348390
    Abstract: The present invention provides a method and an apparatus for detecting a traffic monitoring video. The method comprises: determining a background reference model; determining a target area image in the traffic monitoring video according to the background reference model; updating the background reference model by using the target area image; summating all target points in detection area of each frame of image in the traffic monitoring video according to the updated background reference model to obtain a total area of all the target points; segmenting the frame with the biggest total area to obtain a target area at the best position; and extracting vehicle information from the target area at the best position. By using the present invention, the accuracy of a detection result in a complex environment may be improved.
    Type: Application
    Filed: November 27, 2013
    Publication date: November 27, 2014
    Applicants: PEKING UNIVERSITY FOUNDER GROUP CO., LTD., PEKING UNIVERSITY, BEIJING FOUNDER APABI TECHNOLOGY LTD.
    Inventors: Yan LIU, Xiaoqing LV, Jianbo XU, Zhi TANG
  • Publication number: 20140348378
    Abstract: The present invention provides a method and an apparatus for detecting traffic video information. The method includes: acquiring a traffic video stream; determining color features of each frame of image in the traffic video stream; calculating the inter-frame distance between adjacent frames according to the color features; calculating the boundary of an image clustered frames' group according to the inter-frame distance by adopting an image clustering evaluation standard in RGB space and an image clustering evaluation standard in YUV space respectively; and determining a final boundary of the image clustered frames' group according to the boundaries of the image clustered frames' group in RGB space and YUV space. By using the present invention, the stability of detection results in different environments may be improved.
    Type: Application
    Filed: November 27, 2013
    Publication date: November 27, 2014
    Applicants: Peking University Founder Group Co., Ltd., Beijing Founder Apabi Technology Ltd., Peking University
    Inventors: Yan LIU, Xiaoqing LV, Jianbo XU, Zhi TANG
  • Publication number: 20140351695
    Abstract: Apparatus for optimizing the description of contents in a layout document is disclosed. The apparatus comprises: a parsing unit, for paring the content of an original layout document to obtain text graphic unit data; an identification unit, for identifying text properties of each character of the text graphic unit data; a text node classification unit, for classifying characters of the text graphic unit data according to the text properties, and saving characters with the same text properties to the same text node along with the same text properties; a text content node classification unit, for, with respect to characters saved in each text node, saving characters on the same line or column. A terminal and a method for optimising the description of contents in a layout document are disclosed.
    Type: Application
    Filed: December 12, 2013
    Publication date: November 27, 2014
    Applicants: FOUNDER APABI TECHNOLOGY LIMITED, PEKING UNIVERSITY FOUNDER GROUP CO., LTD.
    Inventors: Guofeng XING, Changsheng WANG
  • Publication number: 20140351320
    Abstract: Embodiments of the invention disclose a method, system and apparatus for coordinated processing of a document, relate to the field of data processing and are intended to address the problem of how multiple clients perform coordinated operations on the document. In the invention, a server detects a document operation on a first client among respective clients at a preset frequency and sends a detection result to a second client other than the first client; and the second client displays the detection result. Apparently this solution addresses the problem of how the multiple clients perform coordinated operations on the document.
    Type: Application
    Filed: November 27, 2013
    Publication date: November 27, 2014
    Applicants: Peking University Founder Group Co., Ltd., Peking University, Beijing Founder Apabi Technology Ltd.
    Inventors: Fei GAO, Li LIU, Xiaoyu CUI, Zhi TANG
  • Patent number: 8898561
    Abstract: A method and a device for determining a display mode of an electronic document on a screen are provided. The method may comprise: obtaining the size of the screen and the original layout size of the electronic document; determining, from the obtained original layout size, a document layout length in a layout direction of the original layout of the electronic document; determining, from the obtained size of the screen, a screen reading length in a reading direction of the screen; and comparing the document layout length with the screen reading length to determine whether a fixed-layout display mode or a flow display mode shall be selected to display the electronic document.
    Type: Grant
    Filed: December 31, 2012
    Date of Patent: November 25, 2014
    Assignees: Peking University Founder Group Co., Ltd., Beijing Founder Apabi Technology Ltd.
    Inventors: Wei Guo, Zhan Li
  • Publication number: 20140337719
    Abstract: The present invention provides an apparatus for logically processing a composite graph in a formatted document, the apparatus comprising: a composite graph block extraction unit, used to extract a composite graph block in the formatted document; a document parsing unit, used to parse the formatted document to obtain a text element contained therein; a cutline element extraction unit, used to extract a cutline element from the text element; a correlativity detection unit, used to detect correlativity between the composite graph block and the cutline element; a correlativity storage unit, used to store the detected correlativity. The present invention also provides a method for logically processing a composite graph in a formatted document. According to the technical scheme disclosed in the present invention, it is easily achieve layout understanding of the composite graph in a graph-text mixed layout of the formatted document, so as to avoid a logical error.
    Type: Application
    Filed: December 3, 2013
    Publication date: November 13, 2014
    Applicants: Peking University Founder Group Co., Ltd., Peking University, Founder Apabi Technology Limited
    Inventors: Canhui Xu, Zhi Tang, Xin Tao, Cao Shi
  • Publication number: 20140337717
    Abstract: A logic process apparatus for composite graphs in a fixed layout document is provided in this invention, comprising: a composite graph block extraction unit, for extracting composite graph blocks from the fixed layout document; a document parsing unit, for parsing the fixed layout document to obtain text primitives contained therein; a legend primitive extraction unit, for extracting legend primitives from the text primitives; a correlation detection unit, for detecting correlations between the composite graph blocks and the legend primitives; a correlation storage unit, for storing the detected correlations. A logic process method for composite graphs in a fixed layout document is also provided.
    Type: Application
    Filed: December 12, 2013
    Publication date: November 13, 2014
    Applicants: PEKING UNIVERSITY FOUNDER GROUP CO., LTD., PEKING UNIVERSITY, FOUNDER APABI TECHNOLOGY LIMITED
    Inventors: Canhui XU, Zhi TANG, Xin TAO, Cao SHI
  • Publication number: 20140334727
    Abstract: A method and apparatus for describing an image are disclosed. The method for describing an image according to an embodiment of the invention includes: transforming an image from a BGR color space into a Gaussian derivative color model; and transforming the image from the Gaussian derivative color model into an optical reflection invariant color space, wherein the process of transforming the image from the Gaussian derivative color model into the optical reflection invariant color space includes: determining, for each pixel on the image, color channels of the pixel corresponding to the optical reflection invariant color space according to a first coefficient and a second coefficient of the pixel in the Gaussian derivative color model. The embodiments of the invention can alleviate an error in a description of an image of the same contents but with a significant change in color.
    Type: Application
    Filed: November 27, 2013
    Publication date: November 13, 2014
    Applicants: PEKING UNIVERSITY FOUNDER GROUP CO., LTD., PEKING UNIVERSITY, BEIJING FOUNDER APABI TECHNOLOGY LTD.
    Inventors: Yan LIU, Xiaoqing LV, Jianbo XU, Zhi TANG, Xiaoyu CUI
  • Patent number: 8887299
    Abstract: A digital content rights management method and system belongs to the digital content rights management technique field. The method of the invention includes the steps: registering the system, generating the time stamp, verifying the time stamp when the system starts up, acquiring the certificate, verifying the time before accessing the digital content. The system of the invention comprises a device for accessing the digital content and a server, wherein the device for accessing the digital content comprises: a registering module, a time stamp generating module, a time stamp verification module, a certificate of authorization acquiring module, and a time verification module. The method and system have solved the problem that the digital content can still be used beyond the time limit.
    Type: Grant
    Filed: December 11, 2007
    Date of Patent: November 11, 2014
    Assignees: Peking University Founder Group Co., Ltd., Peking University, Beijing Founder Apabi Technology Ltd.
    Inventors: Yi Wang, Zhi Tang, Dengsha Yuan, Xuefeng Yang
  • Patent number: 8876250
    Abstract: The application discloses a method for measuring the total amount of ink of an inkjet printing device. The method may include: printing a sampling figure (S10); measuring the color of the sampling figure by a measuring device (S20); and determining the total amount of ink according to the measurements (S30). The application also discloses an apparatus for measuring the total amount of ink of an inkjet printing device. The apparatus may include a printing module (10) configured to print a sampling figure; a measuring device (20) configured to measure the color of the sampling figure by a measuring device; and a determining module (30) configured to determine the total amount of ink according to the measurements. The method and the apparatus can improve the inkjet printing quality.
    Type: Grant
    Filed: December 23, 2011
    Date of Patent: November 4, 2014
    Assignees: Peking University Founder Group Co., Ltd., Beijing Founder Electronics Co., Ltd., Peking University Founder R&D Center
    Inventors: Haifeng Li, Yanman Ma, Yuying Bai
  • Publication number: 20140317497
    Abstract: The application relates to the field of computer technology and discloses methods, client apparatus, and systems for changing a font for an application program. Methods can include: sending a request for obtaining information on available font resources to a server when it is need to change a font for an application program; presenting the information on the currently available font information resources after receiving the same from the server; determining a font selected by a user; downloading the selected font from the server; and sending the downloaded font to the application program, so that the application program replaces the currently used font with the downloaded font. Therefore, it is possible to change the font for the application program simply and expediently.
    Type: Application
    Filed: December 3, 2013
    Publication date: October 23, 2014
    Applicants: Beijing Founder Electronics Co., Ltd., Peking University Founder Group Co., Ltd.
    Inventors: Fang Liu, Yujun Gao, Chang'an Yang
  • Publication number: 20140307287
    Abstract: A print scheduling and processing method, apparatus and system are disclosed. Embodiments of the invention adopt such a method that at least one print processing apparatus satisfying a print requirement of a user is determined; upon reception of a print request sent from an idle print processing apparatus, the idle print processing apparatus sending the print request is notified of a print task of the user if it is determined that the idle print processing apparatus is included among the at least one print processing apparatus satisfying the print requirement of the user.
    Type: Application
    Filed: December 4, 2013
    Publication date: October 16, 2014
    Applicants: BEIJING FOUNDER ELECTRONICS CO., LTD., PEKING UNIVERSITY FOUNDER GROUP CO., LTD.
    Inventors: Hao XIE, Jian WANG
  • Patent number: 8861034
    Abstract: The present application discloses a method and an apparatus for generating multi-bit depth halftone amplitude-modulation dots. The method may comprise: scanning an input image to obtain a value of a current pixel Pxy, where x represents a lateral position index of the current pixel, and y represents a vertical position index of the current pixel; obtaining gj from a preset multi-bit depth threshold matrix G by starting with i=0, and determining if Pxy<gj, then providing a screening output gray level gradation value of the printer to Out=L?1?i; and otherwise, increasing i and repeating the determining and providing steps. L represents the number of a frequency-modulation screen gradation, L=2e, e represents a bit depth value of the printer, i is an integer and i?[0,L?1], h is an index number of an element g arranged sequentially in G and h is provided to h=(y % n)×m+(x % m)+i×m×n, and gj is the element value of ith line and jth row in G.
    Type: Grant
    Filed: May 18, 2012
    Date of Patent: October 14, 2014
    Assignees: Peking University Founder Group Co., Ltd., Peking University, Beijing Founder Electronics Co., Ltd, Peking University Founder R & D Center
    Inventors: Haifeng Li, Bin Yang
  • Publication number: 20140285831
    Abstract: Embodiments of the present invention provide a printing system and a printing method for determining an ink-saving amount. The printing system comprises: a rasterizer processor configured to load a content file, and perform a raster process according to a predetermined ink-saving parameter so as to output a raster image; a computer-to-plate (CTP) device configured to output an imaging CTP plate according to the raster image; and a CTP output device configured to print a one-bit Tiff image according to the imaging CTP plate; and an ink-saving amount determination device coupled, in parallel with the CTP device, to the rasterizer processor and configured to acquire a raster image when the ink-saving parameter is disabled and compares the raster image with a raster image acquired from the rasterizer processor when the ink-saving parameter is enabled, so as to determine the ink-saving amount available for the content file.
    Type: Application
    Filed: November 20, 2013
    Publication date: September 25, 2014
    Applicants: Beijing Founder Electronics Co., Ltd., Peking University Founder Group Co., Ltd.
    Inventors: Li LIU, Xiuqin LU