Patents by Inventor Hao Zhi

Hao Zhi 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: 20170171800
    Abstract: A method for triggering a registrar protocol interaction. The method includes: receiving, by an access point, a probe request sent by at least one station, where the probe request includes an identifier of the access point; determining, by the access point, a first station in the at least one station according to the probe request sent by the at least one station, where the identifier included in the probe request sent by the first station matches an identifier of the access point, and a signal strength of the probe request sent by the first station is greater than a signal strength threshold; and automatically triggering, by the access point, a registrar protocol interaction with the first station.
    Type: Application
    Filed: October 16, 2014
    Publication date: June 15, 2017
    Inventors: Chong Zhu, Gang Shan, Hao Zhi
  • Publication number: 20170117880
    Abstract: A rail-to-rail comparator circuit includes NMOS and PMOS differential input stages with associated loads that are coupled to a shared-load stage. The shared-load stage is coupled to an output stage that includes two active devices. By sharing the load stage between the two input stages, the comparator has a relatively small circuit area, low power draw, and low propagation delay with rail-to-rail input common-mode voltage range.
    Type: Application
    Filed: September 4, 2016
    Publication date: April 27, 2017
    Inventors: HAO ZHI, JIE JIN, YANG WANG, JIANZHOU WU
  • Patent number: 9548656
    Abstract: A low voltage ripple charge pump with slew rate control includes a frequency divider, a clock generator, a current mirror, a switching circuit, a diode network, two capacitors, and a comparator. The frequency divider generates a clock signal from an oscillating signal. The clock generator generates first and second clock signals from the clock signal. The current mirror generates first and second current signals using a reference current. The switching circuit generates first and second voltage signals using the first and second clock signals and the first and second current signals. The comparator generates the oscillating signal based on the first and second voltage signals. The capacitors receive the voltage signals and are connected to the diode network for generating an output signal. The charge pump has low output voltage ripple with small filtering capacitance, which is achieved via slew rate control.
    Type: Grant
    Filed: April 26, 2016
    Date of Patent: January 17, 2017
    Assignee: FREESCALE SEMICONDUCTOR, INC.
    Inventors: Yang Wang, Jie Jin, Jianzhou Wu, Hao Zhi
  • Publication number: 20140325118
    Abstract: A data writing method for writing data into a physical erasing unit and a memory controller and a memory storage apparatus using the data writing method are provided. The method includes dividing the data into a plurality of information frames in a unit of one physical programming unit. The method also includes writing the information frames in sequence into at least one physical programming unit constituted by memory cells disposed on at least one first word line and programming the storage state of memory cells disposed on at least one second word line following the first word line to an auxiliary pattern. Accordingly, the method effectively prevents data stored in the physical erasing unit, which is not full of data, from being lost due to a high temperature.
    Type: Application
    Filed: July 5, 2013
    Publication date: October 30, 2014
    Inventors: Kuo-Yi Cheng, Wei Lin, Kim-Hon Wong, Hao-Zhi Lee, Hung-Chun Lin, Chun-Yen Chang
  • Publication number: 20130104170
    Abstract: A method for processing an electronic television program that arranges a viewing schedule for a user is provided, in which the method receives an electronic television program list that includes electronic television program information, and records the electronic television program selected by the user from the electronic television program list, and receives a calendar information including at least one schedule event, and compares and determines whether a time period of the electronic television program selected by the user conflicts with a time period of the scheduled event, and generates a reminder message reminding the user of recording the electronic television program in advance or to alter the scheduled event when the time periods are in conflict.
    Type: Application
    Filed: October 21, 2011
    Publication date: April 25, 2013
    Applicant: AVERMEDIA TECHNOLOGIES, INC.
    Inventor: Hao-Zhi Su