Patents by Inventor Liyan Song

Liyan Song 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: 11766211
    Abstract: The present invention provides a uterus OCT catheter, comprising: a catheter body; the catheter body comprises an outer sleeve, an OCT imaging catheter and a Luer connector; the outer sleeve is provided with an exit window; the reflecting surface of the reflecting prism in the OCT imaging catheter faces the exit window. The present invention further provides a uterus OCT equipment with pull-back function, comprising a pull-back device and the catheter body, the pull-back device comprises a first housing, a driving connector, a fixing sleeve and a catheter fixing tube. The invention adopts the way that the outer sleeve wraps the OCT imaging catheter to increase the overall strength and diameter; a pull-back device is adopted, the pull-back process is stable and in uniform speed, and can effectively prevent complications during human operation and damage to human tissue during pull-back process.
    Type: Grant
    Filed: November 3, 2017
    Date of Patent: September 26, 2023
    Assignee: GUANGZHOU WINSTAR MEDICAL TECHNOLOGY COMPANY LIMITED
    Inventors: Liyan Song, Weiliang Liang, Jiangfan Pan, Bailing Li, Jun Gao, Zhigang Cai
  • Publication number: 20200367752
    Abstract: The present invention provides an OCT catheter for the respiratory tract. An optical fiber connecting part is connected to an optical fiber, a guide wire assembly is sleeved outside the optical fiber connected to an optical fiber interface, an end of the guide wire assembly is sleeved inside the optical fiber interface connected to an optical fiber coupler, the optical fiber coupler is sleeved inside a connector sleeved inside a fixing head, an end of the fixing head is sleeved inside a sealing assembly, and the guide wire assembly sequentially passes through the connector, the fixing head and the sealing assembly. The OCT catheter is connected to the SC-type optical fiber interface through the SC-SC optical fiber coupler of a driving module. By adopting a guide wire with a small diameter, the medical OCT catheter can be applied to higher-generation bronchi, thereby expanding the application range.
    Type: Application
    Filed: August 10, 2020
    Publication date: November 26, 2020
    Inventors: Liyan SONG, Bailing LI, Weiliang LIANG, Jun GAO, Zhigang CAI, Jiaoyang LI
  • Publication number: 20200305724
    Abstract: The present invention provides a uterus OCT catheter, comprising: a catheter body; the catheter body comprises an outer sleeve, an OCT imaging catheter and a Luer connector; the outer sleeve is provided with an exit window; the reflecting surface of the reflecting prism in the OCT imaging catheter faces the exit window. The present invention further provides a uterus OCT equipment with pull-back function, comprising a pull-back device and the catheter body, the pull-back device comprises a first housing, a driving connector, a fixing sleeve and a catheter fixing tube. The invention adopts the way that the outer sleeve wraps the OCT imaging catheter to increase the overall strength and diameter; a pull-back device is adopted, the pull-back process is stable and in uniform speed, and can effectively prevent complications during human operation and damage to human tissue during pull-back process.
    Type: Application
    Filed: November 3, 2017
    Publication date: October 1, 2020
    Inventors: LIYAN SONG, WEILIANG LIANG, JIANGFAN PAN, BAILING LI, JUN GAO, ZHIGANG CAI
  • Patent number: 9843775
    Abstract: The surveillance video playback method includes receiving, by a video surveillance management device, a surveillance video browsing request from a client device, and performing, according to the request, authentication on a user that sends the surveillance video browsing request using the client device; if the user that sends the surveillance video browsing request has permission to view collected data, sending a first link address corresponding to the user request to the client device; and sending video data and the collected data to the client device according to a data request that carries the first link address and is returned by the client device, so that the client device can superimpose the collected data on the video data and then play them.
    Type: Grant
    Filed: October 12, 2015
    Date of Patent: December 12, 2017
    Assignee: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Feng Wang, Liyan Song
  • Patent number: 9584452
    Abstract: A method comprising: executing an operation on a file; obtaining a mail editing task list; determining at least one mail editing task; and sending an attachment adding instruction to a mail editing apparatus that generates the mail editing task to instruct the mail editing apparatus to add the file as an attachment of a mail corresponding to the mail editing task. Through the embodiments of the present invention, when a user executes an operation on a file, a current mail editing task list can be automatically obtained, and the file is used as an attachment of a mail corresponding to at least one determined mail editing task.
    Type: Grant
    Filed: June 30, 2014
    Date of Patent: February 28, 2017
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Liyan Song, Yu Yin
  • Publication number: 20160094805
    Abstract: The surveillance video playback method includes receiving, by a video surveillance management device, a surveillance video browsing request from a client device, and performing, according to the request, authentication on a user that sends the surveillance video browsing request using the client device; if the user that sends the surveillance video browsing request has permission to view collected data, sending a first link address corresponding to the user request to the client device; and sending video data and the collected data to the client device according to a data request that carries the first link address and is returned by the client device, so that the client device can superimpose the collected data on the video data and then play them.
    Type: Application
    Filed: October 12, 2015
    Publication date: March 31, 2016
    Inventors: Feng Wang, Liyan Song
  • Publication number: 20140380163
    Abstract: A video obtaining method, device, and system. The video obtaining method includes obtaining a visual interface from a management server, where the visual interface includes a geographic information system (GIS) map, and a plurality of camera resource points and a monitoring range corresponding to each of the camera resource points are displayed on the GIS map; and detecting a user clicking action, obtaining a coordinate parameter of the user clicking action, and if the coordinate parameter is within a monitoring range, sending the coordinate parameter to the management server, so as to obtain a real-time video of a position corresponding to the coordinate parameter.
    Type: Application
    Filed: September 9, 2014
    Publication date: December 25, 2014
    Inventors: Song Peng, Liyan Song
  • Publication number: 20140317210
    Abstract: A method comprising: executing an operation on a file; obtaining a mail editing task list; determining at least one mail editing task; and sending an attachment adding instruction to a mail editing apparatus that generates the mail editing task to instruct the mail editing apparatus to add the file as an attachment of a mail corresponding to the mail editing task. Through the embodiments of the present invention, when a user executes an operation on a file, a current mail editing task list can be automatically obtained, and the file is used as an attachment of a mail corresponding to at least one determined mail editing task.
    Type: Application
    Filed: June 30, 2014
    Publication date: October 23, 2014
    Inventors: Liyan Song, Yu Yin
  • Patent number: 8775188
    Abstract: Embodiments of the present invention provide a method for voice approval, where the method includes: receiving voice approval request information sent by an enterprise application server; establishing a voice communication connection with the terminal according to the contact information of the approver terminal; sending approval content audio information corresponding to the voice approval request information to the approver terminal; receiving feedback information, and obtaining approval result information according to the feedback information; and sending the approval result information to the enterprise application server. Embodiments of the present invention also provide a device and system for voice approval. In the embodiments of the present invention, the enterprise application server and the enterprise gateway are combined and improved to enable an approver to approve, in voice mode, an approval request raised by an applicant, thereby increasing the approval efficiency.
    Type: Grant
    Filed: July 25, 2013
    Date of Patent: July 8, 2014
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Weijun Deng, Yu Yin, Liyan Song
  • Publication number: 20130311191
    Abstract: Embodiments of the present invention provide a method for voice approval, where the method includes: receiving voice approval request information sent by an enterprise application server; establishing a voice communication connection with the terminal according to the contact information of the approver terminal; sending approval content audio information corresponding to the voice approval request information to the approver terminal; receiving feedback information, and obtaining approval result information according to the feedback information; and sending the approval result information to the enterprise application server. Embodiments of the present invention also provide a device and system for voice approval. In the embodiments of the present invention, the enterprise application server and the enterprise gateway are combined and improved to enable an approver to approve, in voice mode, an approval request raised by an applicant, thereby increasing the approval efficiency.
    Type: Application
    Filed: July 25, 2013
    Publication date: November 21, 2013
    Applicant: Huawei Technologies Co., Ltd.
    Inventors: Weijun DENG, Yu YIN, Liyan SONG
  • Patent number: 8284767
    Abstract: A call processing method, a call processing system and call processing equipment of a same number service are disclosed. The method includes: receiving a call which is initiated by a calling client and carries an initial called number, and sending a message of the called number with a same number service characteristic to first switching equipment in an IP network when the initial called number is a number of the same number service; and receiving a call request initiated by the first switching equipment, starting same number service processing of the initial called number according to the message carried in the call request, and calling a same number terminal corresponding to the initial called number. The embodiment of the invention helps realize the same number service between a SIP intelligent terminal in the IP network and ordinary terminals in other communication networks.
    Type: Grant
    Filed: May 7, 2010
    Date of Patent: October 9, 2012
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Zhiquan Yi, Guihua Li, Hongjin Yuan, Hui Zhu, Qingchun Shen, Liyan Song
  • Publication number: 20100220719
    Abstract: A call processing method, a call processing system and call processing equipment of a same number service are disclosed. The method includes: receiving a call which is initiated by a calling client and carries an initial called number, and sending a message of the called number with a same number service characteristic to first switching equipment in an IP network when the initial called number is a number of the same number service; and receiving a call request initiated by the first switching equipment, starting same number service processing of the initial called number according to the message carried in the call request, and calling a same number terminal corresponding to the initial called number. The embodiment of the invention helps realize the same number service between a SIP intelligent terminal in the IP network and ordinary terminals in other communication networks.
    Type: Application
    Filed: May 7, 2010
    Publication date: September 2, 2010
    Applicant: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Zhiquan Yi, Guihua Li, Hongjin Yuan, Hui Zhu, Qingchun Shen, Liyan Song