Patents Assigned to Peking University Founder Group Co., Ltd.
  • Patent number: 10366143
    Abstract: A method and system for selecting an encoding format used for reading a target document are provided. The method comprises reading a reference document with at least one reference encoding format and determining all or some disorder code patterns obtained when reading the reference document with the reference encoding format; reading the target document with one encoding format each time; for each encoding format, comparing data generated when reading the target document with this encoding format and the determined disorder code patterns to determine disorder codes generated when reading the target document with this encoding format; counting disorder codes generated when reading the target document with each encoding format, and making a comparison to determine the encoding format used for reading the target document.
    Type: Grant
    Filed: December 6, 2013
    Date of Patent: July 30, 2019
    Assignee: PEKING UNIVERSITY FOUNDER GROUP CO., LTD.
    Inventors: Mao Ye, Wei Wan, Lifeng Jin, Yuanlong Wang
  • Patent number: 10289623
    Abstract: A method and system for key knowledge point recommendation are provided, the method comprising calculating knowledge point relationship strengths of knowledge points in a set of knowledge points; calculating weights for knowledge points according to the knowledge point relationship strengths of knowledge points in the set of knowledge points, and storing the knowledge points and weights correspondingly; determining key knowledge points according to the weights of the knowledge points and recommending the key knowledge points to a user.
    Type: Grant
    Filed: December 6, 2013
    Date of Patent: May 14, 2019
    Assignees: PEKING UNIVERSITY FOUNDER GROUP CO. LTD., FOUNDER APABI TECHNOLOGY LIMITED, PEKING UNIVERSITY
    Inventors: Mao Ye, Jianbo Xu, Zhi Tang, Lifeng Jin, Yuanlong Wang
  • Patent number: 10268758
    Abstract: The present invention provides a semantic information acquisition method and system, and corresponding keyword expansion and search methods and systems, comprising: searching for, then classifying an article; then, performing word segmentation according to the classified article to obtain the words in said category, and setting said category and words to serve as the semantic information of the keyword; also, a method and system using the semantic information acquisition method to expand a keyword, and a method and system using keyword expansion to perform a search. The described semantic information acquisition method effectively avoids the technical problems in the prior art of only being able to obtain semantic information of English vocabulary; and it also being impossible to classify semantic information based on category information. The invention is particularly suitable for searching using a keyword, searching a large number of texts, and organizing large amounts of related data and information.
    Type: Grant
    Filed: December 6, 2013
    Date of Patent: April 23, 2019
    Assignees: PEKING UNIVERSITY FOUNDER GROUP CO. LTD., FOUNDER APABI TECHNOLOGY LIMITED, PEKING UNIVERSITY
    Inventors: Mao Ye, Zhi Tang, Jianbo Xu, Lifeng Jin, Wei Wan
  • Patent number: 10210281
    Abstract: A method and system for obtaining a knowledge point implicit relationship are provided; first, establishing a knowledge point explicit relationship map according to knowledge point explicit relationship strengths; second, computing according to said knowledge point explicit relationship map a simple path set of two knowledge points; then, computing the implicit relationship strength values corresponding to each simple path in said simple path set; further, comparing the relationship strength values of the simple paths and setting as the significant implicit relationship strength value the simple path relationship strength having the largest value also greater than a preset threshold value.
    Type: Grant
    Filed: December 6, 2013
    Date of Patent: February 19, 2019
    Assignees: PEKING UNIVERSITY FOUNDER GROUP CO., LTD., FOUNDER APABI TECHNOLOGY LIMITED, PEKING UNIVERSITY
    Inventors: Mao Ye, Wei Wan, Jianbo Xu, Zhi Tang, Lifeng Jin
  • Patent number: 10192336
    Abstract: A method and apparatus for establishing an ultra-large character library and a method and apparatus for displaying a character are disclosed. The displaying method comprises: intercepting by a font engine middleware a font invoking message sent from a system font engine, the font invoking message comprising a character code and a font name corresponding to a character to be displayed by an application; acquiring outline data corresponding to the character from an ultra-large character library in a non-standard format based on the character code and font name; transmitting the outline data of the character to the system font engine to enable the system font engine to display the character according to the character outline data. With this invention, the capacity of the character library may be increased and characters in the non-standard-format ultra-large character library may be recognized conveniently, thus efficiency of character retrieval and display is improved.
    Type: Grant
    Filed: December 5, 2013
    Date of Patent: January 29, 2019
    Assignees: Peking University Founder Group Co., Ltd., Founder Information Industry Holdings Co., Ltd., Beijing Founder Electronics Co., Ltd.
    Inventors: Lining Xia, Yingmin Tang
  • Patent number: 10078802
    Abstract: A method and system of discovering and analyzing structures of user groups in a microblog is provided in this invention. The method of discovering and analyzing structures of the user groups in a microblog comprises: acquiring information on behavior data of microblog users of a target group; constructing a microblog user association network based on the information on behavior data of the microblog users of the target group; acquiring at least one maximal clique from the microblog user association network; acquiring at least one core clique based on the maximal clique; and conducting behavior analysis on the user groups in the microblog based on the acquired maximal clique and/or the acquired core clique.
    Type: Grant
    Filed: November 11, 2013
    Date of Patent: September 18, 2018
    Assignees: PEKING UNIVERSITY FOUNDER GROUP CO., LTD., PEKING UNIVERSITY, BEIJING FOUNDER ELECTRONICS CO., LTD.
    Inventors: Liyong Zhao, Xiaoming Yu, Jianwu Yang, Yan Zheng
  • Patent number: 10059105
    Abstract: The present invention provides a nozzle seamless splice mechanism and an adjustment method for the same, and belongs to a field of printing machinery technology. The nozzle seamless splice mechanism and the adjustment method for the same may solve the problems of nozzles orifices stagger, reduced printing width or blankness exposed in the middle caused by the causes such as the fabrication error, the personal error, etc with respect to the existing nozzles. The nozzle seamless splice mechanism of the present invention comprises: splice mechanism comprising: a micro-device for detecting coordinates of orifices of nozzles; a nozzle adjustment base for fixing nozzles; a nozzle bottom plate connected with said nozzle adjustment base adjustably. The nozzle seamless splice mechanism of the present invention has a low cost, high adjustment efficiency, and achieves digitized adjustment.
    Type: Grant
    Filed: December 4, 2013
    Date of Patent: August 28, 2018
    Assignees: PEKING UNIVERSITY FOUNDER GROUP CO., LTD., BEIJING FOUNDER ELECTRONICS CO., LTD.
    Inventor: Yunhui Yao
  • Patent number: 10031894
    Abstract: A method and an apparatus of building an intermediate character library are provided. The method comprises: acquiring an original character library which stores contour information of characters therein; dividing the characters in the original character library into character components, so as to acquire contour information of character components after division; and storing the contour information of the character components into the original character library so as to build an intermediate character library on the original character library. With the intermediate character library constructed by the method of the present invention, the font creation person can perform selecting and processing simultaneously on multiple single-contour components of a single character during creating of fonts, so that the operation process is simplified and the operation efficiency is improved.
    Type: Grant
    Filed: December 5, 2013
    Date of Patent: July 24, 2018
    Assignees: PEKING UNIVERSITY FOUNDER GROUP CO., LTD., FOUNDER INFORMATION INDUSTRY HOLDINGS CO., LTD., BEIJING FOUNDER ELECTRONICS CO., LTD.
    Inventors: Lining Xia, Yingmin Tang
  • Patent number: 9952812
    Abstract: A method and system for controlling digital printing of a secret file is provided in this invention. The method comprises: obtaining a source file to be printed; importing the source file into a secret file library; generating a printing job for the source file and adding the printing job into a job list; writing printing control information of the source file into a standard file; after the printing is started, extracting page dot matrix data of the source file from the secret file library, and processing the page dot matrix data according to the printing control information; and transmitting the processed page dot matrix data to a numerical control device. Control management may be effectively realized throughout the printing process of the secret file, and the source file and the standard file cannot be copied without some professional skills in the printing process.
    Type: Grant
    Filed: December 6, 2013
    Date of Patent: April 24, 2018
    Assignees: Peking University Founder Group Co., LTD., Founder Information Industry Holdings Co., LTD., Beijing Founder Electronics Co., LTD.
    Inventor: Xingxin Sun
  • Patent number: 9902709
    Abstract: The present invention provides a polysubstituted pyridine compound of Formula I, a preparation method, a use and a pharmaceutical composition thereof. The polysubstituted pyridine compound of Formula I according to the present invention has an excellent anti-tumor effect, can inhibit various cell kinases simultaneously, has significantly excellent pharmacokinetic characteristics, and is very suitable for oral and intravenous administration. The pharmaceutical composition according to the present invention can be useful for treating tumors and cancers.
    Type: Grant
    Filed: December 30, 2014
    Date of Patent: February 27, 2018
    Assignees: PEKING UNIVERSITY FOUNDER GROUP CO., LTD., PKUCARE PHARMACEUTICAL R & D CENTER, PKU HEALTHCARE INDUSTRY GROUP CO., LTD.
    Inventors: Chongqin Yi, Heng Xu, Jing Tao, Songwen Lin, Fangbin Han
  • Patent number: 9900978
    Abstract: Embodiments of the present application relate to the technical field of a printed circuit plate, in particular, to a printed circuit plate and a method manufacturing same so as to resolve a problem of an incomplete elimination of a short-line effect. The method for manufacturing a printed circuit board in the embodiments of the present application comprises a step of drilling target prepregs at positions corresponding to at least one preset hole therein so as to form through holes perforating through the target prepregs, wherein the formed through holes have an aperture greater than that of the preset hole, and the preset hole does not need to transmit electrical signal between layers of the PCB.
    Type: Grant
    Filed: October 29, 2012
    Date of Patent: February 20, 2018
    Assignees: Peking University Founder Group Co., Ltd., Zhuhai Founder PCB Development Co., Ltd., Chongqing Founder Hi-Tech Electronic Inc.
    Inventors: Xinhong Su, George Dudnikov, Jr., Shuhan Shi
  • Patent number: 9846827
    Abstract: An image printing method and printer is provided. The method comprises obtaining an original data file of an image to be printed from a database; dividing the original data file into a plurality of first data files and storing the first data files in a plurality of first memory blocks correspondingly; receiving an image printing request, the image printing request carrying first position information of the image to be printed; determining from its position information of the image to be printed second position information contained in the first position information, and filling a first data file corresponding to the second position information to a second memory block from the first memory block where the first data file is located through memory mapping mechanism to form a second data file to be printed; and printing and outputting the second data file in the second memory block.
    Type: Grant
    Filed: November 8, 2013
    Date of Patent: December 19, 2017
    Assignees: PEKING UNIVERSITY FOUNDER GROUP CO., LTD., PEKING UNIVERSITY, BEIJING FOUNDER ELECTRONICS CO., LTD.
    Inventors: Hongyu Liu, Weiping Huang
  • Patent number: 9806704
    Abstract: The present invention relates to the technical field of printing in particular, to a frequency multiplication method and device, for solving the problem of poor quality of a printed image. One method comprises: for two adjacent pulse signals output from an encoder, determining a first kind of pulse signals and a second kind of pulse signals to be inserted between the two adjacent pulse signals according to a time interval between the two adjacent pulse signals and a frequency multiplication value corresponding to a longitudinal resolution; determining a period of the first kind of pulse signals to be inserted between the two adjacent pulse signals, and determining a period of the second kind of pulse signals to be inserted between the two adjacent pulse signals; and performing frequency multiplication processing on the two adjacent pulse signals. The embodiments of the invention further improve the printing quality of images.
    Type: Grant
    Filed: November 8, 2013
    Date of Patent: October 31, 2017
    Assignees: Peking University Founder Group Co., Ltd., Foudner Information Industry Holdings Co., Ltd., Beijing Founder Electronics Co., Ltd.
    Inventor: Dan Li
  • Patent number: 9773009
    Abstract: The present application discloses a method and an apparatus for obtaining structured information in a fixed layout document to improve the structuring speed for information management of a fixed layout document. The method may comprise: determining initial page number information corresponding to current directory entry of the document; segmenting first article content of a page corresponding to the initial page number information into at least one structured-characters-block; searching in each structured-characters-block for a first structured-characters-block which matches with name strings of the current directory entry, and obtaining first position information about where the first structured-characters-block is located in the first article content; and obtaining initial position information of the current directory entry and end position information of the previous directory entry based on the first position information.
    Type: Grant
    Filed: December 7, 2012
    Date of Patent: September 26, 2017
    Assignees: Beijing Founder Apabi Technology Limited, Peking University Founder Group Co., Ltd.
    Inventors: Ning Dong, Wenjuan Huang, Baoliang Zhang
  • Patent number: 9756734
    Abstract: A method for manufacturing a back drilling hole in a printed circuit board (PCB) and PCB are provided. The method for manufacturing the back drilling hole comprises: forming a through hole in the PCB (1); forming a metal layer (12) with prescribed thickness on an inner wall of the through hole; filling resin in the through hole which has been formed with the metal layer (12); performing back drilling machining on the through hole which has been filled with the resin; removing metal scraps remained in the through hole. The manufacturing method protects the hole wall copper by filling the hole with the resin, so that acid corrosion process only removes the remained metal scraps after back drilling of the small hole, does not affect on the hole copper of the resin protecting portion.
    Type: Grant
    Filed: November 28, 2013
    Date of Patent: September 5, 2017
    Assignees: PEKING UNIVERSITY FOUNDER GROUP CO., LTD., ZHUHAI FOUNDER TECH. HI-DENSITY ELECTRONIC CO., LTD., FOUNDER INFORMATION INDUSTRY HOLDINGS CO., LTD.
    Inventors: Xianren Chen, Baowei Ren
  • Patent number: 9727536
    Abstract: A logic process apparatus for composite graphs in a fixed layout document is provided in this invention. The apparatus includes 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, and 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: Grant
    Filed: December 12, 2013
    Date of Patent: August 8, 2017
    Assignees: Peking University Founder Group Co., Ltd., Founder APABI Technology Limited, Peking University
    Inventors: Canhui Xu, Zhi Tang, Xin Tao, Cao Shi
  • Patent number: 9727286
    Abstract: Disclosed are a method for obtaining print processing time and an electronic device having a print function which can be connected with a printer. The method comprises: executing a print instruction to make the printer perform a print operation on a first file while the current system time of the electronic device is recorded, referred to as time1; looking up in the print folder corresponding to the printer in the electronic device whether there is a second file with the extension .SPL corresponding to the first file; when the second file is found, reading the creation time of the second file, referred to as time2; detecting in the print folder that whether the second file has been modified to a third file; and when the second file is detected to have been modified to the third file, reading the modification time of the second file, referred to as time3.
    Type: Grant
    Filed: November 1, 2013
    Date of Patent: August 8, 2017
    Assignees: PEKING UNIVERSITY FOUNDER GROUP CO., LTD., PEKING UNIVERSITY, BEIJING FOUNDER ELECTRONICS CO., LTD.
    Inventors: Shuai Wang, Zhenhua Li, Zhihong Liu, Feng Chen
  • Patent number: 9722936
    Abstract: A method and apparatus for rate adaption of HTTP stream media is disclosed in this invention. The method comprises: acquiring from a server a stream media with a selected video rate at a client adopting the TCP protocol at its transmission layer and the HTTP protocol at its application layer, wherein the selected video rate allows an amount of buffered data to be maintained in a predetermined range in a buffer for buffering the stream media under a current download rate speed. This invention may improve user experience.
    Type: Grant
    Filed: September 9, 2013
    Date of Patent: August 1, 2017
    Assignees: PEKING UNIVERSITY, PEKING UNIVERSITY FOUNDER GROUP CO., LTD., BEIJING FOUNDER ELECTRONICS CO., LTD.
    Inventors: Chao Zhou, Xinggong Zhang, Zongming Guo
  • Patent number: 9676365
    Abstract: A side airbag device is provided, which is capable of increasing an energy absorption amount while suppressing the load on an occupant. The side airbag device includes: a bag-shaped cushion; an inflator provided on a vehicle rear side inside the cushion; an inner tube that surrounds the inflator; an upper opening and a lower opening formed in the inner tube; a tether that extends toward a vehicle front side from the inner tube to partition the vehicle front side of the inside of the cushion into a chest restraining portion and a waist restraining portion; a void portion provided inside the cushion on the vehicle front side of the tether; and a vent hole formed near the void portion. The upper opening has a smaller opening area than the lower opening, and the tether is inclined downward toward the vehicle front side from the vehicle rear side.
    Type: Grant
    Filed: April 12, 2016
    Date of Patent: June 13, 2017
    Assignees: Peking University Founder Group Co., Ltd., Peking University, Beijing Founder Electronics Co., Ltd.
    Inventors: Yuichiro Tsukagoshi, Kim Minfun
  • Patent number: 9672590
    Abstract: An image interpolation method and device based on an autoregressive model. The method first, interpolating a low-resolution image up to a target scale to obtain an interpolated image M; determining a local area W in the image M to be interpolated, establishing two autoregressive models for each pixel point in the local area W except for the edge pixel points, and determining an initial objective function F0 according to the autoregressive models; down sampling the local area W except for the edge pixel points to the same size as the low-resolution image to obtain a local area W?, subtracting a corresponding area in the low-resolution image from W? one pixel value by one pixel value, and adding the result to the initial objective function F0 to obtain an objective function F; performing iteration on the objective function F to obtain a pixel point value of a center block of W.
    Type: Grant
    Filed: November 6, 2013
    Date of Patent: June 6, 2017
    Assignees: PEKING UNIVERSITY FOUNDER GROUP CO. LTD., BEIJING FOUNDER ELECTRONICS CO., LTD.
    Inventors: Mading Li, Jiaying Liu, Jie Ren, Zongming Guo