Patents by Inventor Changwen An

Changwen An 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: 9613148
    Abstract: A method and system for determining a property of a user in a social network platform are provided according to some embodiments of the present disclosure. The method includes: determining a property of a seed user in the social network platform; determining a property of a social network platform function interacting with a user according to a property of the user in the social network platform; and determining a property of a user interacting with a social network platform function according to a property of the social network platform function. By the embodiments of the present disclosure, the property of the user in the social network platform can be determined accurately.
    Type: Grant
    Filed: February 3, 2015
    Date of Patent: April 4, 2017
    Assignee: TENCENT TECHNOLOGY (SHENZHEN) COMPANY LIMITED
    Inventor: Changwen Yuan
  • Patent number: 9561988
    Abstract: Disclosed is a method for making a controlled release fertilizer with water-based coating using a closed large numerically controlled fluidized bed and a device therefor: collecting a granular fertilizer with a suitable granule size into a barrel; sucking the same into a coating cavity by negative pressure and making the same fluid; directing a water-based coating liquid into a spray gun, then spraying the liquid onto the surface of the fertilizer granules after nebulization; collecting the impurities in the air discharged from the coating cavity by means of a cyclone separator; dehumidifying the air discharged from the cyclone separator by means of a fluidized drying tower; and then the coating is completed.
    Type: Grant
    Filed: April 23, 2012
    Date of Patent: February 7, 2017
    Assignee: NANJING INSTITUTE OF SOIL CHINESE ACADEMY OF SCIENCES
    Inventors: Changwen Du, Yazhen Shen, Jianmin Zhou
  • Publication number: 20170028338
    Abstract: Some embodiments of the present disclosure relate to improving or overcoming at least one problem in existing air filters by including at least one folding structure in or on the air filter. The folding structure is capable of being bent to enable the air filter to be wrapped around or secured to a, for example, washing net. The folding structure can also hold the air filter securely to the, for example, washing net.
    Type: Application
    Filed: January 22, 2015
    Publication date: February 2, 2017
    Inventors: Liming Xin, Andrew R. Fox, Liang Cheng, Changwen Li, Rui Chen
  • Publication number: 20160316423
    Abstract: A network access method and apparatus applied to a mobile application is described. The network access method applied to a mobile application includes: acquiring a prestored IP address in the mobile application, the prestored IP address being an IP address that is obtained when the mobile application previously accessed a first network, of a network service accessible to the mobile application; determining whether the mobile application accesses the first network again; and accessing the first network based on the stored IP address if the mobile application accesses the first network again. By using the present disclosure, the problem that a long time is consumed for network access of a mobile application is solved, and the effect of reducing the time consumed for the network access is achieved.
    Type: Application
    Filed: July 6, 2016
    Publication date: October 27, 2016
    Inventors: ZHUBIN JIA, CHANGWEN YUAN
  • Publication number: 20160308936
    Abstract: A method of short uniform resource locator (URL) lookup and feedback of various examples may include: receiving a request related with a short URL associated with a target URL; identifying resource information of the short URL which is descriptive of credibility of network resources pointed to by the target URL; and making the resource information provided to a user. Another method of short URL lookup and feedback of various examples may include: receiving a request related with a long URL; identifying an identity of a website providing network resources pointed to by the long URL, the identity is a character string or a logo; generating a short URL which includes the identity; and making the short URL provided to the user.
    Type: Application
    Filed: February 13, 2015
    Publication date: October 20, 2016
    Applicant: TENCENT TECHNOLOGY (SHENZHEN) COMPANY LIMITED
    Inventor: Changwen Yuan
  • Publication number: 20160306884
    Abstract: A method and system for determining a property of a user in a social network platform are provided according to some embodiments of the present disclosure. The method includes: determining a property of a seed user in the social network platform; determining a property of a social network platform function interacting with a user according to a property of the user in the social network platform; and determining a property of a user interacting with a social network platform function according to a property of the social network platform function. By the embodiments of the present disclosure, the property of the user in the social network platform can be determined accurately.
    Type: Application
    Filed: February 3, 2015
    Publication date: October 20, 2016
    Inventor: Changwen Yuan
  • Publication number: 20160294771
    Abstract: An apparatus, a method, and a client for synchronizing a jump context, such as for synchronizing a jump context of a social application platform to a third-party website, are provided. The apparatus includes a session ID generating module configured to acquire a jump context of a user from a social application platform, save the jump context to a session data DB, and return an ID of the jump context to the social application platform. The apparatus also includes a session data acquiring API configured to acquire the ID of the jump context from a third-party website, acquire the corresponding jump context from the session data DB according to the ID, and feed back the jump context to the third-party website. The session data DB is configured to save the jump context and the ID corresponding to the jump context.
    Type: Application
    Filed: June 7, 2016
    Publication date: October 6, 2016
    Inventor: Changwen YUAN
  • Publication number: 20160261572
    Abstract: System and methods are provided for admission in a network comprising at least one node providing network controller (NC) functionality. A first node in the network, which is capable of generating SALTs, may assume NC functionality, and may distribute the SALT to at least one other node within the network. The first node may receive from the at least one other node, during admission to the network, a request for a dynamic encryption key, with the request being encrypted using a static encryption key unique to the at least one other node, and the static encryption key being determined based on the SALT.
    Type: Application
    Filed: March 29, 2016
    Publication date: September 8, 2016
    Inventors: Changwen Liu, Ronald B. Lee
  • Patent number: 9300468
    Abstract: A system and method for node admission in a communication network having a NC and a plurality of associated network nodes. According to various embodiments of the disclosed method and apparatus, key determination in a communication network includes an NN sending to the NC a request for a SALT; the NN receiving the SALT from the NC, combining the SALT with its network password to calculate a static key, and submitting an admission request to the network coordinator to request a dynamic key. The SALT can be a random number generated by the NC, and the admission request can be encrypted by the NN using the static key.
    Type: Grant
    Filed: February 24, 2014
    Date of Patent: March 29, 2016
    Assignee: ENTROPIC COMMUNICATIONS, LLC
    Inventors: Changwen Liu, Ronald B. Lee
  • Patent number: 9175122
    Abstract: The present invention provides a preparation method of hyperbranched polycarboxylic acid type copolymer cement dispersant, including: Monomer A, B and C undergo a free radical copolymerization in an aqueous medium. The molar ratio of Monomer A, Monomer B and Monomer C conforms to B/A?A?2?10 and C/(A+B?C)?0.02?0.08. Monomer A is expressed by General Formula (1), where, R1 is H or a methyl; X1?O, CH2O, CH2CH2O; m is an integer from 5 to 200. Monomer B is expressed by General Formula (2), where, R2 is H or COOM; R3 is H or CH3 and M is H, Na, K or NH4; Monomer C is expressed by General Formula (3), where, R4 is H or methyl; X2?O, CH2O, CH2CH2O; Y?CH2, CH2CH2, CH(CH3), CH2CH2CH2, CH(CH3)CH2, C(CH3)2 and n is an integer from 5 to 200.
    Type: Grant
    Filed: December 22, 2010
    Date of Patent: November 3, 2015
    Assignee: SOBUTE NEW MATERIALS CO., LTD.
    Inventors: Changwen Miao, Min Qiao, Qianping Ran, Jianping Liu, Dongliang Zhou, Yong Yang, Yonglin Mao
  • Patent number: 9175459
    Abstract: A water supply device with double supply modes contains: a body, a shifting mechanism, and a magnetic attraction device. The body includes an inflow channel, a water distributing cavity, a first outflow channel and a second outflow channel. The shifting mechanism includes a press button, a distribution core having a connecting portion and a closing portion, the closing portion moves between a first closing portion and a second closing portion reciprocatingly after the press button is pressed. The magnetic attraction device includes a first attracting element and a second attracting element which magnetically attract each other. The first attracting element is disposed on the shifting mechanism, and the second attracting element is mounted in the body opposite to the first attracting element; and the first attracting element moves to the first closing position or the second closing position with the distribution core.
    Type: Grant
    Filed: December 26, 2013
    Date of Patent: November 3, 2015
    Assignee: Global Union Industrial Corp.
    Inventors: Changwen Zhang, Bo Li, Carter Xie
  • Publication number: 20150210603
    Abstract: Disclosed is a method for making a controlled release fertilizer with water-based coating using a closed large numerically controlled fluidized bed and a device therefor: collecting a granular fertilizer with a suitable granule size into a barrel; sucking the same into a coating cavity by negative pressure and making the same fluid; directing a water-based coating liquid into a spray gun, then spraying the liquid onto the surface of the fertilizer granules after nebulization; collecting the impurities in the air discharged from the coating cavity by means of a cyclone separator; dehumidifying the air discharged from the cyclone separator by means of a fluidized drying tower; and then the coating is completed.
    Type: Application
    Filed: April 23, 2012
    Publication date: July 30, 2015
    Applicant: NANJING INSTITUTE OF SOIL CHINESE ACADEMY OF SCIENCES
    Inventors: Changwen Du, Yazhen Shen, Jianmin Zhou
  • Publication number: 20150184366
    Abstract: A water supply device with double supply modes contains: a body, a shifting mechanism, and a magnetic attraction device. The body includes an inflow channel, a water distributing cavity, a first outflow channel and a second outflow channel. The shifting mechanism includes a press button, a distribution core having a connecting portion and a closing portion, the closing portion moves between a first closing portion and a second closing portion reciprocatingly after the press button is pressed. The magnetic attraction device includes a first attracting element and a second attracting element which magnetically attract each other. The first attracting element is disposed on the shifting mechanism, and the second attracting element is mounted in the body opposite to the first attracting element; and the first attracting element moves to the first closing position or the second closing position with the distribution core.
    Type: Application
    Filed: December 26, 2013
    Publication date: July 2, 2015
    Inventors: Changwen Zhang, Bo Li, Carter Xie
  • Publication number: 20150163167
    Abstract: The use of traffic flag symbols allows a large number of CPEs to transmit traffic notifications to a network controller. In some such embodiments, hundreds of CPEs simultaneously transmit traffic flags on different subcarriers of a channel. For example, in a MoCA2 based access network, up to 480 CPEs can transmit flags in only 5 ?s in the 100 MHz-wide channel.
    Type: Application
    Filed: March 21, 2012
    Publication date: June 11, 2015
    Inventors: Changwen Liu, David Barr, Michail Tsatsanis
  • Publication number: 20150142741
    Abstract: The present invention relates to an information syndication file synchronizing method, comprising: acquiring and saving the latest information publishing time in an information syndication file located on a first information publishing platform; acquiring the information syndication file, and comparing the latest publishing time with the publishing time of each piece of information in the acquired information syndication file; if the information publishing time is later than the latest publishing time, then searching for the information in a synchronization database; if searching in the synchronization database does not yield a match, then synchronizing the information onto a second information publishing platform for publishing, and saving the information to the synchronization database. The above method can efficiently synchronize an information syndication file without errors or omissions. Furthermore, also provided are an information syndication file synchronizing device and system.
    Type: Application
    Filed: June 9, 2013
    Publication date: May 21, 2015
    Applicant: Tencent Technology (Shenzhen) Company Limited
    Inventors: Zhubin Jia, Changwen Yuan
  • Patent number: 9021036
    Abstract: Embodiments of the application provide a method, server, client and system for aggregating a microblog single message. The method includes: triggering, by a user, to aggregate a microblog single message; and displaying a relaying process of the microblog single message for the user. The server includes: a receiving module, which is to receive a triggering message to aggregate a microblog single message from a client; an obtaining module, which is to obtain aggregation data of the microblog single message, according to the triggering message; a transmitting module, which is to transmit the aggregation data of the microblog single message obtained by the obtaining module to the client. Embodiments of the application also provide a corresponding client and system. By adopting the technical solution of the application, a user may clearly see a message relaying process. Thus, user satisfaction may be improved.
    Type: Grant
    Filed: September 13, 2012
    Date of Patent: April 28, 2015
    Assignee: Tencent Technology (Shenzhen) Company Limited
    Inventors: Yu Ku, Yuewei Chen, Hongjie Liu, Changwen Yuan
  • Patent number: 9008077
    Abstract: A method comprises receiving a predetermined length of information, the information including a first MAC Protocol Data Unit (MPDU) being of variable length and including at least one Sub-MPDU; independently decoding the first Sub-MPDU and a plurality of additional portions of the received information, each portion having a length equal to the length of one Sub-MPDU; processing data from the first Sub-MPDU; and determining from the processed data how many of the other decoded portions constitute Sub-MPDUs of the received MPDU.
    Type: Grant
    Filed: March 31, 2009
    Date of Patent: April 14, 2015
    Assignee: Entropic Communications, Inc.
    Inventors: Changwen Liu, Arndt Mueller, Ronald Lee
  • Patent number: 8856253
    Abstract: Embodiments of the present invention provide a method for presenting reposted messages. The method includes: respectively establishing, in a server for each piece of original message X, a reposting chain, which takes the each piece of original message X as a root node, generating a piece of reposted message each time the original message X is reposted, and adding the reposted message to the reposting chain as a sub-node; and pulling needed reposted messages from the server when a client terminal device, at which a user locates receives an instruction instructing viewing the reposted messages corresponding to the original message X in a full amount message aggregation mode, and displaying the reposted messages on a page. Embodiments of the present invention also provide a system for presenting reposted messages. With the scheme of the present invention, a whole reposting chain of the original message may be presented to the user.
    Type: Grant
    Filed: July 12, 2011
    Date of Patent: October 7, 2014
    Assignee: Tencent Technology (Shenzhen) Company Limited
    Inventors: Yu Ku, Ning Lao, Hongjie Liu, Changwen Yuan
  • Patent number: 8831015
    Abstract: Systems, methods, and apparatus for sharing resources for a network bridge configured to perform communications on a MoCA network and a WiFi network using the shared resources. The method includes: receiving a MAP from a MoCA NC and checking the MAP to determine whether the MoCA NC has scheduled MoCA communications in an upcoming MAP cycle; in instances where the MAP indicates that the MoCA NC has scheduled MoCA communications in an upcoming MAP cycle, configuring the shared network bridge resources for MoCA communications: in instances where the MAP indicates that the MoCA NC has not scheduled any MoCA communications in an upcoming MAP cycle, configuring the shared network bridge resources for WiFi communications; at the conclusion of a WiFi communication period, sending a CTS to the WiFi devices an the network and configuring the shared network bridge resources for WiFi communications.
    Type: Grant
    Filed: August 19, 2011
    Date of Patent: September 9, 2014
    Assignee: Entropic Communications, Inc.
    Inventors: Branislav Petrovic, Changwen Liu, Zong Liang Wu
  • Patent number: 8800894
    Abstract: A fluidic oscillator contains at least one channel including an interacting cavity disposed therein, a first inlet communicating with the interacting cavity to flow fluid inward, and a first outlet communicating with the interacting cavity to spray the fluid flowing through the interacting cavity outward, characterized in that: at least one turbulent flow passage is used to guide the fluid to flow into the interacting cavities from one of two opposite first longitudinal walls of the interacting cavities so that a turbulent flow effect is generated in the interacting cavities, and then the fluid flows out of the first outlets to generate oscillatory spray.
    Type: Grant
    Filed: August 12, 2010
    Date of Patent: August 12, 2014
    Assignee: Globe Union Industrial Corp.
    Inventors: Mengfeng Cheng, Changwen Zhang, Weijin Huang