Patents Assigned to Peking University Founder Group Co., Ltd.
-
Patent number: 9662889Abstract: A method and device for checking nozzles in an inkjet printer is disclosed. The checking method comprises: obtaining an electronically scanned image which is a printed paper image printed by the inkjet printer according to a checking image, correspondence relationships between pixel point positions and numbers of nozzles in the inkjet printer being preset in the checking image (step 11); analyzing the scanned image to obtain pixel point positions free of ink in the scanned image (step 12); and according to the pixel point positions free of ink, obtaining and outputting the corresponding nozzle numbers (step 13). This invention may realize automatic checking of blocked nozzles, improve the convenience of checking, and reduce the error rate of checking.Type: GrantFiled: November 8, 2013Date of Patent: May 30, 2017Assignees: PEKING UNIVERSITY FOUNDER GROUP CO., LTD., PEKING UNIVERSITY, FOUNDER INFORMATION INDUSTRY HOLDINGS CO., LTD., BEIJING FOUNDER ELECTRONICS CO., LTD.Inventors: Yongtai Zhang, Zhihong Liu
-
Patent number: 9665805Abstract: Disclosed are a data processing method, an apparatus and an ink-jet printer. A method comprises a processor sequentially receiving multiple lines of image lattice data; after receiving one line of image lattice data splitting one line of image lattice data to n groups of image lattice data according to number of lines of corresponding nozzles along a paper feeding direction of the one line of image lattice data, wherein n is number of rows of all nozzles; writing corresponding split n groups of image lattice data to an internal buffer; writing n groups of image lattice data in corresponding internal buffer to an external storage; reading data from external storage embodiments of the present invention reduce processing cost of the image lattice data, and improve image lattice processing speed.Type: GrantFiled: November 1, 2013Date of Patent: May 30, 2017Assignees: Peking University Founder Group Co., Ltd., Beijing Founder Electronics Co., Ltd.Inventor: Zhenhua Li
-
Patent number: 9665807Abstract: Provided are a raster processing method and apparatus of a transparent Form. The method comprising: determining a reusable transparent Form in a page description file; performing syntax interpretation on the transparent Form to obtain a reuse type and position information of the transparent Form; generating a color block lattice, an Alpha block lattice, a Shape block lattice and their corresponding block attribute tables and block memory tables for the transparent Form, according to the reuse type and the position information, and establishing association relationships between different transparent Forms in the page description file; computing on the generated data information to obtain and buffer assembling information of the transparent Form, according to the reuse type of the transparent Form; determining an assembling manner of the transparent Form according to the reuse type of the transparent Form and assembling the transparent Form into the page to be outputted.Type: GrantFiled: November 1, 2013Date of Patent: May 30, 2017Assignees: PEKING UNIVERSITY FOUNDER GROUP CO., LTD., FOUNDER INFORMATION INDUSTRY HOLDINGS CO., LTD., BEIJING FOUNDER ELECTRONICS CO., LTD.Inventors: Yufang Gao, Zhangwei Meng
-
Patent number: 9649850Abstract: An ink jetting digital printing apparatus supporting double-side printing is provided. The ink jetting digital printing apparatus comprises: a first sprayer module and a corresponding first group of color plane control servers, a second sprayer module and a corresponding second group of color plane control servers, a rasterization image processing server, and a system control server. The first and second sprayer modules comprise a group of sprayers of the same two or more colors; the first group comprises color plane control servers in one-to-one correspondence with sprayers in the first sprayer module; the second group comprises color plane control servers in one-to-one correspondence with sprayers in the second sprayer module; the first group color plane control servers parallel with the second group color plane control servers.Type: GrantFiled: November 8, 2013Date of Patent: May 16, 2017Assignees: PEKING UNIVERSITY FOUNDER GROUP CO., LTD., FOUNDER INFORMATION INDUSTRY HOLDINGS CO., LTD., BEIJING FOUNDER ELECTRONICS CO., LTD.Inventors: Xiaoxiao Xing, Xingxin Sun, Weiping Huang
-
Patent number: 9639308Abstract: This invention relates to printing, and discloses a method and apparatus for variable data printing. The method comprises: obtaining a current page of a file to be printed; performing a rasterization process on the current page to obtain a current page dot matrix; determining a reference page for the current page and obtaining a reference page dot matrix corresponding to the reference page; dividing the reference page dot matrix and the current page dot matrix into dot matrix blocks having a predetermined granularity; identifying variable data blocks in the current page dot matrix based on the dot matrix blocks; dynamically adjusting the size of the variable data blocks; extracting a variable data dot matrix in the current page dot matrix splitting the current page dot matrix up into the reference page dot matrix and the variable data dot matrix and then storing and outputting them.Type: GrantFiled: December 5, 2013Date of Patent: May 2, 2017Assignees: PEKING UNIVERSITY FOUNDER GROUP CO., LTD., FOUNDER INFORMATION INDUSTRY HOLDINGS CO., LTD, BEIJING FOUNDER ELECTRONICS CO., LTD.Inventor: Zhangwei Meng
-
Patent number: 9635092Abstract: The present invention provides a method for processing a shared file and a cloud storage server. The method comprises: receiving, by a cloud storage server, an update request message from a second client; determining that a first file is located within a storage region of a first client according to an identifier of the first file and acquiring current version information of the first file from the storage region of the first client; and if it is determined that the version of the first file on the second client is older than the version of the first file within the storage region of the first client, generating a first download address and transmitting the first download address to the second client, so that the second client downloads the first file in the current version. According to an embodiment of the present invention, it is able to synchronously update the shared file.Type: GrantFiled: December 2, 2013Date of Patent: April 25, 2017Assignees: Peking University Founder Group Co., Ltd., Beijing Founder Electronics Co., Ltd.Inventors: Shoulin Tang, Wenbo Li
-
Patent number: 9613005Abstract: The application provides method and apparatus for bidirectional typesetting. The method for bidirectional typesetting of the present application comprises: retrieving a small sample used for a document to be bi-directionally typeset; defining at least one reverse region, wherein the reverse region consists of successive characters required to be reversed in the retrieved small sample; and determining locations where the reversed characters will be located in the documents and recording the locations into a big sample.Type: GrantFiled: December 31, 2012Date of Patent: April 4, 2017Assignees: Peking University Founder Group Co., Ltd., Beijing Founder Electronics Co., Ltd.Inventors: Yaojun Tang, Yanfei Yang
-
Patent number: 9569872Abstract: The application provides a method for rasterization. According to the method, a primitive may be divided, at a position where a color abruptly changes in the primitive, into a plurality of sub-primitives with continuously and gradually changing colors. Each of the sub-primitives is then rasterized. The present application further provides an apparatus for rasterizing an image. The apparatus may comprise a dividing module configured to divide a primitive at a position where a color abruptly changes into a plurality of sub-primitives with continuously gradually changing colors. Furthermore, the apparatus may comprise a rasterizing module configure to rasterize each of the sub-primitives. The application may improve the speed of the rasterization and the quality of the processed image.Type: GrantFiled: October 14, 2011Date of Patent: February 14, 2017Assignees: Peking University Founder Group Co., Ltd., Beijing Founder Electronics Co., Ltd.Inventors: Genglin Huang, Hao Lin, Yu Tang
-
Patent number: 9569407Abstract: 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: GrantFiled: December 3, 2013Date of Patent: February 14, 2017Assignees: Peking University Founder Group Co., Ltd., Founder Apabi Technology Limited, Peking UniversityInventors: Canhui Xu, Zhi Tang, Xin Tao, Cao Shi
-
Patent number: 9560239Abstract: This invention discloses a method and apparatus for generating dots in image reproduction, and relates to the field of image reproduction in the printing industry. The method comprises performing a binarization process on a threshold matrix of one or more basic dots according to level thresholds to obtain a set of level-binarization matrixes corresponding to the threshold matrix; determining substitution binarization matrixes and auxiliary binarization matrixes from the set of level-binarization matrixes; performing a Boolean operation on the substitution binarization matrixes and the auxiliary binarization matrixes to generate resulted binarization matrixes; substituting binarization matrixes to be substituted in the set of level-binarization matrixes with the resulted binarization matrixes; and according to the substituted set of level-binarization matrixes, forming a substituted threshold matrix, and generating shape-varied dots according to the substituted threshold matrix.Type: GrantFiled: November 15, 2013Date of Patent: January 31, 2017Assignees: PEKING UNIVERSITY FOUNDER GROUP CO., LTD., BEIJING FOUNDER ELECTRONICS CO., LTD.Inventors: Haifeng Li, Bin Yang, Xiangxing Wu
-
Patent number: 9557949Abstract: 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: GrantFiled: December 4, 2013Date of Patent: January 31, 2017Assignees: BEIJING FOUNDER ELECTRONICS CO., LTD., PEKING UNIVERSITY FOUNDER GROUP CO., LTD.Inventors: Hao Xie, Jian Wang
-
Patent number: 9552435Abstract: The present application discloses methods and systems for incrementally collecting replies in a forum and belongs to the technical field of collecting network information. The method comprises periodically determining whether there is a newly-established post and a post having new replies in all forum list pages needed to be collected: if yes, extracting a main post and reply information from the newly-established post, and extracting the information of the new replies from the post having new replies. The system comprises a determining device (11) for periodically determining whether there is a newly-established post and a post having new replies in all forum list pages needed to be collected; and an extracting device (12) for extracting a main post and reply information from the newly-established post, and extracting the information of the new replies from the post having new replies.Type: GrantFiled: December 22, 2011Date of Patent: January 24, 2017Assignees: Peking University Founder Group Co., Ltd., Peking University Founder R & D Center, Beijing Founder Electronics Co., Ltd., Peking UniversityInventors: Xinli Wu, Jianwu Yang
-
Patent number: 9542362Abstract: 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: GrantFiled: December 3, 2013Date of Patent: January 10, 2017Assignees: Peking University Founder Group Co., Ltd., Founder Apabi Technology Limited, Peking UniversityInventors: Canhui Xu, Zhi Tang, Xin Tao, Cao Shi
-
Patent number: 9529781Abstract: An apparatus and method for document format conversion. The apparatus includes a document parsing unit for parsing a fixed layout document to acquire path primitives of the document; a path grouping unit for dividing the path primitives into groups to generate path groups; a font file generating unit for acquiring path groups that are used to represent characters and generating font files corresponding to the path groups, wherein if there are two or more path groups representing the same character, only one font file is generated and associated with the multiple path groups representing the same character; a document generating unit for generating a converted document using all font files that have been generated. With the above, the problem of data redundancy in fixed layout documents is solved; further, the incorrect rending in reflowing processes may be solved to achieve better display effects.Type: GrantFiled: November 4, 2013Date of Patent: December 27, 2016Assignees: PEKING UNIVERSITY FOUNDER GROUP CO., LTD., FOUNDER APABI TECHNOLOGY LIMITED, FOUNDER INFORMATION INDUSTRY HOLDINGS CO., LTD.Inventors: Guofeng Xing, Changsheng Wang
-
Patent number: 9525605Abstract: The invention discloses a method of collecting network data. This method is applicable to collection of data of network documents, published on a website, related respectively to M subjects, wherein M is a positive integer, the method including: configuring webpage link addresses, of network data to be collected, into queues of corresponding types according to types corresponding to the webpage link addresses of the network data to be collected, wherein the webpage link addresses of the network data to be collected are link addresses of webpages where the data of the network documents related respectively to the M subjects are located; obtaining webpage source codes corresponding to the webpage link addresses, of the network data to be collected, in the queues of the corresponding types; and extracting the data of the network documents corresponding to URLs corresponding to the webpage source codes according to the URL information and collection depth values of the URLs.Type: GrantFiled: December 13, 2012Date of Patent: December 20, 2016Assignees: PEKING UNIVERSITY FOUNDER GROUP CO., LTD., PEKING UNIVERSITY, BEIJING FOUNDER ELECTRONICS CO., LTD.Inventors: Xinli Wu, Jianwu Yang
-
Patent number: 9519718Abstract: The present application provides web information detecting method and system. The method according to the present application comprises: pre-extracting keywords from a web page; storing a corresponding relationship between the extracted keywords and a URL of the web page in a database; obtaining a source file of a web page to be detected; searching the database for keywords that have the same URL as that of the web page to be detected; comparing the searched keywords to the source file information of the web page to be detected; and determining the existence of information of the web page to be detected according to a matching degree. The present application increases the accuracy of web information detection.Type: GrantFiled: December 22, 2011Date of Patent: December 13, 2016Assignees: Peking University Founder Group Co., Ltd., Peking University, Beijing Founder Electronics Co., Ltd., Peking University Founder R & D CenterInventors: Song Wang, Rufeng Liang, Dan Zhang, Hong'e Sun, Jianwu Yang, Xinli Wu
-
Patent number: 9501587Abstract: The disclosure provides a method for pushing association knowledge, comprising: determining ID information of a user when the user accesses resources; retrieving knowledge having ID information coincident with the ID information of the user in the resources; and pushing knowledge with the highest weight among the retrieved knowledge to the user. The disclosure also provides a device for pushing association knowledge, comprising: an ID module configured to determine ID information of a user when the user accesses resources; a retrieval module configured to retrieve knowledge having ID information coincident with the ID information of the user in the resources; and a pushing module configured to push knowledge with the highest weight among the retrieved knowledge to the user. According to the disclosure, it is able to improve the user experience.Type: GrantFiled: November 25, 2013Date of Patent: November 22, 2016Assignees: PEKING UNIVERSITY FOUNDER GROUP CO., LTD., BEIJING FOUNDER ELECTRONICS CO., LTD.Inventors: Changgang Chen, Huarui Bai
-
Patent number: 9490315Abstract: The invention provides a power semiconductor device and a method of fabricating the same and a cutoff ring. A cutoff ring located at a periphery of an active area of the power semiconductor device is etched forming at least one trench below which an implant area is formed by implanting ions into the trench, and a silicon dioxide dielectric layer covering the trench and a surface of the active area, are formed. Since the ions are implanted into the trench formed by etching the cutoff ring to thereby increase a depth of the implanted ions and a density of the cutoff ring, a width of the cutoff ring can be shortened to thereby address the technical problem of a considerable area of a chip occupied by the cutoff ring and improve a utilization ratio of the area of the chip so as to lower a cost of fabricating the chip.Type: GrantFiled: January 12, 2015Date of Patent: November 8, 2016Assignees: Peking University Founder Group Co., Ltd., Founder Microelectronics International Co., Ltd.Inventors: Li Li, Wanli Ma, Shengzhe Zhao
-
Patent number: 9471964Abstract: The present disclosure provides a non-local mean-based video denoising method, so as to remove illumination variation in a video by using image histogram specification filtering processing. The present disclosure further provides a non-local mean-based video denoising apparatus. The apparatus comprises a filtering module used for remove illumination variation in a video by using image histogram specification filtering processing. In the present disclosure, self-adaptive adjustment can be carried out on a change of an illumination condition.Type: GrantFiled: March 5, 2015Date of Patent: October 18, 2016Assignees: PEKING UNIVERSITY, PEKING UNIVERSITY FOUNDER GROUP CO., LTD., BEIJING FOUNDER ELECTRONICS CO., LTD.Inventors: Jie Ren, Jiaying Liu, Zongming Guo, Yue Zhuo
-
Patent number: 9465924Abstract: An apparatus for preventing replay attacks and a method for preventing replay attacks are provided in this invention, wherein the apparatus for preventing replay attacks comprises: an acquisition unit for, when a request for operating a digital content is received, acquiring current location information of a set of placeholder files; a determination unit for determining whether the current location information is consistent with recorded location information of the placeholder file; a protection unit for, when inconsistent as determined by the determination unit, wherein there is a correspondence between the digital content and the set of placeholder files.Type: GrantFiled: December 11, 2013Date of Patent: October 11, 2016Assignees: PEKING UNIVERSITY, PEKING UNIVERSITY FOUNDER GROUP CO., LTD., FOUNDER APABI TECHNOLOGY LIMITEDInventors: Cheng Qu, Yinyan Yu, Zhi Tang