Patents by Inventor Chengdong Zhang

Chengdong Zhang 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).

  • Publication number: 20240181747
    Abstract: The present disclosure is generally directed to toilet equipment, and more particularly to a toilet lid and seat that comprises fiber reinforced cement board, fiber reinforced calcium silicate board or sintered stone. In an embodiment, a toilet lid or seat includes a core structural layer having a shape and size associated with the toilet lid, and having a first surface and a second surface opposite the first surface, wherein the core structural layer comprises fiber reinforced cement board or fiber reinforced calcium silicate board. In another embodiment, a toilet lid includes a core structural layer having a shape and size associated with the toilet lid, and having a first surface and a second surface opposite the first surface, wherein the core structural layer comprises sintered stone.
    Type: Application
    Filed: December 6, 2022
    Publication date: June 6, 2024
    Inventors: Chengdong Wu, Jie Zhang
  • Publication number: 20230328859
    Abstract: An intelligent adjustment method and system for an LED backlight drive, a device and a storage medium are disclosed. The method includes: acquiring optimized channel current on each of other LED substring branches other than a non-maximum conduction branch; calculating, according to the optimized channel current, the number of cycles of conducting PWM of each LED substring branch in one frame of a frame synchronizing signal as the number of cycles of the optimized conducting PWM; and adjusting a channel current of each LED substring branch to be a corresponding optimized channel current, and adjusting the number of cycles of a conducting PWM of each LED substring branch to be the number of cycles of the optimized conducting PWM.
    Type: Application
    Filed: June 7, 2023
    Publication date: October 12, 2023
    Applicant: HYASIC INCORPORATION
    Inventors: Xi Tu, Chengdong Zhang, Junjie Zheng
  • Patent number: 8775889
    Abstract: Adaptive error resilience for packet transmission over a network is provided. In one embodiment, a method comprises encoding a plurality of video packets using a first encoder into a set of encoded video packets, wherein the set of encoded video packets encapsulates the plurality of video packets using a first header; transmitting the set of encoded video packets; encoding the plurality of video packets using a second encoder into a set of repair packets, wherein the set of repair packets encapsulates at least a portion of the plurality of packets using a second header; and transmitting the set of repair packets.
    Type: Grant
    Filed: July 16, 2012
    Date of Patent: July 8, 2014
    Assignee: Lambert Everest Limited
    Inventor: Chengdong Zhang
  • Publication number: 20130329812
    Abstract: Adaptive error resilience for packet transmission over a network is provided. In one embodiment, a method comprises encoding a plurality of video packets using a first encoder into a set of encoded video packets, wherein the set of encoded video packets encapsulates the plurality of video packets using a first header; transmitting the set of encoded video packets; encoding the plurality of video packets using a second encoder into a set of repair packets, wherein the set of repair packets encapsulates at least a portion of the plurality of packets using a second header; and transmitting the set of repair packets.
    Type: Application
    Filed: July 16, 2012
    Publication date: December 12, 2013
    Inventor: Chengdong Zhang
  • Patent number: 8375266
    Abstract: Adaptive error resilience for streaming video transmission over a network is provided. In one embodiment, a method of transmitting a plurality of packets comprises generating a first proactive repair redundancy information for a first data packet; adding the first proactive repair redundancy information to a second data packet; generating a second proactive repair redundancy information for the first data packet; adding the second proactive repair redundancy information to a repair packet; and transmitting the plurality of packets, wherein the plurality of packets includes the first data packet and at least one of the second data packet and the repair packet.
    Type: Grant
    Filed: November 17, 2011
    Date of Patent: February 12, 2013
    Inventor: Chengdong Zhang
  • Publication number: 20120297274
    Abstract: Adaptive error resilience for streaming video transmission over a network is provided. In one embodiment, a method of transmitting a plurality of packets comprises generating a first proactive repair redundancy information for a first data packet; adding the first proactive repair redundancy information to a second data packet; generating a second proactive repair redundancy information for the first data packet; adding the second proactive repair redundancy information to a repair packet; and transmitting the plurality of packets, wherein the plurality of packets includes the first data packet and at least one of the second data packet and the repair packet.
    Type: Application
    Filed: November 17, 2011
    Publication date: November 22, 2012
    Inventor: Chengdong Zhang
  • Publication number: 20080059861
    Abstract: The invention relates to a method of transmitting a signal over a communication network. The method comprises transmitting the signal and transmitting proactive repair redundancy information.
    Type: Application
    Filed: July 30, 2007
    Publication date: March 6, 2008
    Inventor: Chengdong Zhang
  • Patent number: 7257664
    Abstract: Systems and methods for adaptive error correction optimize data rate and video quality. Optimized data rate allocation is particularly important in systems that support video communication over wireless channels. By using proactive repair redundancy information, data rate may be dynamically partitioned to optimize the bandwidth capacity while supporting the highest video quality.
    Type: Grant
    Filed: June 6, 2003
    Date of Patent: August 14, 2007
    Assignee: Lambert Everest Ltd.
    Inventor: Chengdong Zhang
  • Publication number: 20030212943
    Abstract: The invention relates to a method of transmitting a signal over a communication network. The method comprises transmitting the signal and transmitting proactive repair redundancy information.
    Type: Application
    Filed: June 6, 2003
    Publication date: November 13, 2003
    Inventor: Chengdong Zhang
  • Patent number: D969428
    Type: Grant
    Filed: November 8, 2021
    Date of Patent: November 8, 2022
    Assignee: Hangzhou Kongyu Swimming Pool Co., Ltd.
    Inventors: JinMing Guo, ChengDong Zhang