Patents by Inventor Dong Pan

Dong Pan 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).

  • Silicon photonic integrated circuit with electrostatic discharge protection mechanism for static electric shocks
    Patent number: 10578800
    Abstract: Various embodiments of a photonic integrated circuit (PIC) are described herein. A PIC, functioning as a coherent receiver, may include optical components such as an optical coupler, a directional coupler, a beam splitter, a polarizing beam rotator-splitter, a variable optical attenuator, a monitor photodiode, 90-degree hybrid mixer, and a waveguide photodiode. The PIC may also include electrical components such as an electrode, a capacitor, a resistor and a Zener diode.
    Type: Grant
    Filed: June 6, 2018
    Date of Patent: March 3, 2020
    Assignee: SIFOTONICS TECHNOLOGIES CO., LTD.
    Inventors: Tuo Shi, Tzung-I Su, Yongbo Shao, Dong Pan
  • DOOR-STATUS WARNING LIGHT CIRCUIT
    Publication number: 20200039423
    Abstract: A door-status warning light circuit includes a first light group capable of emitting light with high brightness or specific warning color and a second light group capable of emitting light with low brightness or specific safe color, and when any door of a fire truck or an ambulance is opened, the first light group can emit light with high brightness and the warning color to remind the driver that a door is not closed; and, after all doors are closed, the first light group lights off and the second light group lights up, so as to inform, by light with different brightness or different color, the driver that all doors are closed, thereby effectively reminding the driver of the door status of the vehicle in noisy environment.
    Type: Application
    Filed: July 31, 2018
    Publication date: February 6, 2020
    Inventors: Mei-Dong PAN, Chueh-Kuang CHAN
  • VOLTAGE GENERATION CIRCUIT
    Publication number: 20190378547
    Abstract: Disclosed are apparatuses and methods for controlling gate-induced drain leakage current in a transistor device. An apparatus may include a first biasing circuit stage configured to provide a biasing voltage on a biasing signal line, the biasing voltage based on a current through a first resistor associated with the first biasing circuit stage, a voltage generation circuit stage coupled to the first biasing circuit stage, the voltage generation circuit stage having an output transistor that is coupled to the biasing signal line through a gate terminal of the output transistor, and an output line coupled to the voltage generation circuit stage and configured to provide an output voltage signal having a steady-state voltage that is less than a power supply voltage by an amount that corresponds to a voltage drop across the first resistor associated with the first biasing circuit stage.
    Type: Application
    Filed: August 22, 2019
    Publication date: December 12, 2019
    Applicant: MICRON TECHNOLOGY, INC.
    Inventors: Dong Pan, Jun Wu
  • Fully integrated avalanche photodiode receiver
    Patent number: 10473853
    Abstract: Various embodiments of a fully integrated avalanche photodiode receiver and manufacturing method thereof are described herein. A photonic device includes a silicon-on-insulator (SOI) substrate with a buried oxide (BOX) layer therein, an avalanche photodiode integrated with the SOI substrate, a capacitor integrated with the SOI substrate, a resistor integrated with the SOI substrate, and silicon passive waveguides as well as bonding pads integrated with the SOI substrate.
    Type: Grant
    Filed: December 21, 2017
    Date of Patent: November 12, 2019
    Assignee: SiFotonics Technologies Co., Ltd.
    Inventors: Mengyuan Huang, Tzung-I Su, Su Li, Naichuan Zhang, Pengfei Cai, Wang Chen, Ching-yin Hong, Dong Pan
  • SYSTEMS AND METHODS FOR REDUCING TEMPERATURE SENSOR READING VARIATION DUE TO DEVICE MISMATCH
    Publication number: 20190339134
    Abstract: A temperature sensor is disclosed. The temperature sensor includes an analog core having at least first and second circuit nodes and configured to provide a temperature dependent output, a multiplexer coupled to the first and second circuit nodes and configured for at least first and second states in each of which the first circuit node couples to a different circuit element and in each of which the second circuit node couples to a different circuit element, and a controller coupled to the analog core and configured to provide a temperature measurement that is an average of at least first and second readings of the temperature dependent output of the analog core, the first reading taken while the multiplexer is in the first state, and the second reading taken while the multiplexer is in the second state.
    Type: Application
    Filed: July 11, 2019
    Publication date: November 7, 2019
    Applicant: MICRON TECHNOLOGY, INC.
    Inventor: Dong Pan
  • Apparatuses and methods for providing constant current
    Patent number: 10459466
    Abstract: An apparatus is described comprising a bandgap reference circuit comprising: an amplifier including first and second inputs and an output; and a bandgap transistor coupled to the output of the amplifier at a control electrode thereof, the bandgap transistor being further coupled commonly to the first and second inputs of the amplifier at a first electrode thereof to form a feedback path. The apparatus further comprises a resistor coupled to the first electrode of the bandgap transistor.
    Type: Grant
    Filed: June 5, 2018
    Date of Patent: October 29, 2019
    Assignee: Micron Technology, Inc.
    Inventors: Wei Lu Chu, Dong Pan
  • Hydroxyaryl Functionalized Polymers
    Publication number: 20190322777
    Abstract: Vulcanizates with desirable properties can be obtained from compounds incorporating polymers that include hydroxyl group-containing aryl functionalities. The functionalities can be incorporated by using any or all of appropriate initiators, monomers and optional terminating compounds. Such polymers exhibit excellent interactivity with both conventional and non-conventional fillers.
    Type: Application
    Filed: March 10, 2019
    Publication date: October 24, 2019
    Inventors: Xiao-Dong Pan, Zengquan Qin, Yuan-Yong Yan, Dennis R. Brumbaugh
  • Voltage generation circuit
    Patent number: 10446195
    Abstract: Disclosed are apparatuses and methods for controlling gate-induced drain leakage current in a transistor device. An apparatus may include a first biasing circuit stage configured to provide a biasing voltage on a biasing signal line, the biasing voltage based on a current through a first resistor associated with the first biasing circuit stage, a voltage generation circuit stage coupled to the first biasing circuit stage, the voltage generation circuit stage having an output transistor that is coupled to the biasing signal line through a gate terminal of the output transistor, and an output line coupled to the voltage generation circuit stage and configured to provide an output voltage signal having a steady-state voltage that is less than a power supply voltage by an amount that corresponds to a voltage drop across the first resistor associated with the first biasing circuit stage.
    Type: Grant
    Filed: June 29, 2016
    Date of Patent: October 15, 2019
    Assignee: Micron Technology, Inc.
    Inventors: Dong Pan, Jun Wu
  • Systems and apparatuses for a configurable temperature dependent reference voltage generator
    Patent number: 10437271
    Abstract: Systems and apparatuses for a configurable, temperature dependent reference voltage generator are provided. An example apparatus includes control logic configured receive temperature data, and produce a signal, based on the temperature data, indicative of the temperature data, a temperature dependence and a temperature slope. The apparatus may also include a temperature slope reference generator configured to produce a reference voltage having the temperature dependence and the temperature slope, based on the signal from the control logic.
    Type: Grant
    Filed: June 27, 2018
    Date of Patent: October 8, 2019
    Assignee: Micron Technology, Inc.
    Inventors: Yuanzhong Wan, Dong Pan
  • MEMORY DEVICE WITH AN ARRAY TIMER MECHANISM
    Publication number: 20190304533
    Abstract: A memory device includes a memory array including a plurality of memory cells; and an array timer coupled to the memory array, configured to generate an output timing signal based on a fixed input and a reference signal, wherein: the fixed input is from a supply circuit, the reference signal is from a reference block, and the output timing signal is configured to control the memory array.
    Type: Application
    Filed: June 20, 2019
    Publication date: October 3, 2019
    Inventors: Zhi Qi Huang, Wei Lu Chu, Hiromasa Noda, Dong Pan
  • Monolithic Electro-Optical Modulator Having Suspended Structure
    Publication number: 20190302487
    Abstract: Various embodiments of a monolithic electro-optical (E-O) modulator are described herein. The monolithic E-O modulator may include a phase shifter having a suspended structure. The suspended structure may be realized by partially or completely removing silicon material underneath the active area of the phase shifter to form a void in the bulk silicon substrate supporting the phase shifter. The suspended structure may be utilized to result in a lower radio-frequency loss and an effective group refractive index of the phase shifter that is closer to the refractive index of silicon waveguides or optical fibers, both advantageous to enhancing the performance of the E-O modulator such as a higher operating bandwidth.
    Type: Application
    Filed: March 29, 2019
    Publication date: October 3, 2019
    Inventors: Mengyuan Huang, Yadong Liu, Tzung-I Su, Pengfei Cai, Ching-yin Hong, Dong Pan
  • RESOURCE SCHEDULING METHOD, SYSTEM, SERVER, AND STORAGE MEDIUM
    Publication number: 20190294479
    Abstract: This application relates to a resource scheduling method, a resource scheduling system, a server, and a storage medium. The resource scheduling method includes receiving a virtual machine application request sent by a terminal, wherein the virtual machine application request includes a target virtual machine label. The resource scheduling method further includes comparing the target virtual machine label with a current virtual machine label of each host computer in a cluster to determine a target host computer, wherein the target host computer includes no virtual machine label matching the target virtual machine label, enabling the target host computer to create a first virtual machine, and setting a label of the first virtual machine as the target virtual machine label.
    Type: Application
    Filed: June 11, 2019
    Publication date: September 26, 2019
    Applicant: Tencent Technology (Shenzhen) Company Limited
    Inventors: Xiao Dong Pan, Lin Hong Hu, Yan Mo, Hong Zhu
  • Apparatus and method for a PVT independent RC delay
    Patent number: 10425064
    Abstract: Apparatus and methods for a delay circuit are provided. In an example, a delay circuit can include a resistor configured to receive a compensation current, a capacitor configured to receive a charge current based on the compensation current, a first compensation circuit configured to provide a control signal, and a charge-current coupling circuit. The first compensation circuit can include an inverter circuit configured to track an inverter threshold voltage across process, voltage and temperature variations, wherein an output of the inverter circuit is directly coupled to an input of the inverter circuit, and an amplifier configured to receive the output of the inverter circuit an provide the control signal. The charge-current coupling circuit can be configured to receive the control signal and to provide the compensation current and the charge current.
    Type: Grant
    Filed: December 8, 2016
    Date of Patent: September 24, 2019
    Assignee: Micron Technology, Inc.
    Inventors: Dong Pan, Wei Lu Chu
  • INFLATABLE DAM AND METHOD THEREOF
    Publication number: 20190284775
    Abstract: Embodiments of an inflatable dam sized to be secured to a foundation structure with an anchor line. The inflatable dam includes a main bladder and an overlapping layer. The main bladder is moveable between deflated and inflated states such that, in the inflated state, the main bladder extends with a tubular configuration. The overlapping layer is sized and configured to extend over a portion of the main bladder and, in the inflated state, concentrically aligned with the portion of the main bladder. The overlapping layer is sized to extend with an overlapping length and to extend laterally between a first end portion and a second end portion along the overlapping length, the first end portion being coupled to the fin structure and the second end portion being configured to be coupled to the anchor line and the foundation structure.
    Type: Application
    Filed: April 2, 2019
    Publication date: September 19, 2019
    Inventors: Dong Pan, David Sanders
  • LIGHTING ASSEMBLY AND METHOD FOR MANUFACTURING A LIGHTING ASSEMBLY
    Publication number: 20190280171
    Abstract: A lighting assembly is disclosed which includes a leadframe and at least one light-emitting diode (LED) element arranged on the leadframe. At least a portion of the leadframe is covered with a polyurethane coating arranged to electrically insulate the portion of the leadframe, and at least a portion of the polyurethane covered portion of the leadframe is further covered with a thermally conductive material. A method for manufacturing the lighting assembly is also disclosed.
    Type: Application
    Filed: May 16, 2017
    Publication date: September 12, 2019
    Applicant: Lumileds LLC
    Inventors: Nan CHEN, Hiu Tung CHU, Dong PAN, Paul Scott MARTIN, Tomonari ISHIKAWA
  • CHARGE PUMPS AND METHODS OF OPERATING CHARGE PUMPS
    Publication number: 20190273434
    Abstract: Methods of operating a charge pump, and charge pumps configured to perform similar methods, involve monitoring a level of a supply voltage of the charge pump, and turning off an oscillator of the charge pump responsive to the level of the supply voltage dropping below a certain level, wherein turning off the oscillator comprises setting an inverter in a ring oscillator loop of the oscillator to a steady state output.
    Type: Application
    Filed: May 16, 2019
    Publication date: September 5, 2019
    Applicant: MICRON TECHNOLOGY, INC.
    Inventors: Ming H. Li, Dong Pan
  • Rubber compositions including siliceous fillers
    Patent number: 10392497
    Abstract: Vulcanizates with desirable properties can be obtained from compositions incorporating polymers that include hydroxyl group-containing aryl functionalities, silica or other particulate filler(s) that contain or include oxides of silicon and a group or compound that can act to covalently bond the filler particles and the polymer. The group can be provided as a substituent of the filler particle, or a discreet compound can be provided in the composition.
    Type: Grant
    Filed: November 27, 2017
    Date of Patent: August 27, 2019
    Assignee: Bridgestone Corporation
    Inventors: Yuan-Yong Yan, Zengquan Qin, Xiao-Dong Pan
  • Optical Multiplexing And Demultiplexing Module Having Automatic Discovery Function
    Publication number: 20190260491
    Abstract: Disclosed are an optical multiplexing and demultiplexing module having an automatic discovery function, comprising a signal transmission portion and a signal reception portion. The signal transmission portion transmits information about the optical multiplexing and demultiplexing module by modulating transmission power of a laser. The signal reception portion samples and decodes the received optical power signal to acquire information about the other optical multiplexing and demultiplexing modules borne thereon. In configuring a wavelength division multiplexing transmission system, the device of the present disclosure may simplify the complexity of manual configuration, improve the accuracy of configuration, reduce the cost and failure rate in a solution in which an individual transceiver is used as an automatic discovery function, and adapt to different connection modes.
    Type: Application
    Filed: December 19, 2016
    Publication date: August 22, 2019
    Applicant: Accelink Technologies Co., Ltd.
    Inventors: Lu Guo, Dong Pan, Qingyan Yue
  • Charge pumps and methods of operating charge pumps
    Patent number: 10389238
    Abstract: Methods of operating a charge pump, and charge pumps configured to perform similar methods, involve monitoring a level of a supply voltage of the charge pump, and turning off an oscillator of the charge pump responsive to the level of the supply voltage dropping below a certain level, wherein turning off the oscillator comprises setting an inverter in a ring oscillator loop of the oscillator to a steady state output.
    Type: Grant
    Filed: March 21, 2018
    Date of Patent: August 20, 2019
    Assignee: Micron Technology, Inc.
    Inventors: Ming H. Li, Dong Pan
  • MANAGING PRIVATE TRANSACTIONS ON BLOCKCHAIN NETWORKS BASED ON WORKFLOW
    Publication number: 20190251566
    Abstract: Implementations of the present disclosure include obtaining, by a first consensus node, a policy of a workflow for sending transaction data between at least two client nodes. The policy is digitally signed by each of the at least two client nodes using a corresponding private key, and the policy includes a routing order of the transaction data between the at least two client nodes. The first consensus node also receives the transaction data submitted by a first of the at least two client nodes. The transaction data is digitally signed by a private key of the first of the at least two client nodes.
    Type: Application
    Filed: April 22, 2019
    Publication date: August 15, 2019
    Applicant: Alibaba Group Holding Limited
    Inventors: Dong Pan, Wenbin Zhang, Xuebing Yan