Patents by Inventor Hongbo Zhang
Hongbo 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).
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Publication number: 20130263194Abstract: Embodiments of the present invention disclose a cooperative caching method and apparatus, relating to the field of network technologies, to improve the local hit ratio without increasing the local server costs. The technical solution provided in the present invention includes: obtaining, according to cache information, end-to-end delay between a local server and a neighbor server, and popularity in a cache list, a consolidated gain value of a cached video segment and a consolidated gain value of a candidate video segment in the local server; and replacing the cached video segment with the candidate video segment when the consolidated gain value of the cached video segment and the consolidated gain value of the candidate video segment in the local server meet a replacement condition.Type: ApplicationFiled: May 31, 2013Publication date: October 3, 2013Inventors: Hongbo Zhang, Guangyu Shi, Zhefeng Yan, Shueng-han Gary Chan
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Publication number: 20130257400Abstract: A current control circuit includes an input circuit for receiving an input signal, an output circuit for providing an output signal. The output circuit is coupled to the input circuit to receive a current therefrom. The current control circuit also includes a feedback circuit coupled to the input circuit and the output circuit to form a feedback loop. The current control circuit further includes a first slope compensation current coupled to the output circuit for controlling the output signal, the first slope compensation current being a periodic current. The current control circuit also includes a second slope compensation current coupled to the feedback circuit, wherein the second slope compensation current has the same phase and period as the first slope compensation current.Type: ApplicationFiled: March 15, 2013Publication date: October 3, 2013Applicant: BCD SEMICONDUCTOR MANUFACTURING LIMITEDInventors: Hongbo Zhang, Hongyue Du, Wei Zhang, Chao Chen, Yong Zhao
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Publication number: 20130145613Abstract: A method of making battery plates for lead-acid batteries includes providing a strip of material comprising lead; and punching material out of the strip to form a grid comprising wires having a non-rectangular cross-sectional shape by utilizing a die set comprising a plurality of male die components and female die components, wherein each of the male die components comprises a first portion having a first cross-sectional shape and a second portion having a second-cross sectional shape. A single punch of the material creates a hole in the material and also forms the periphery of the hole.Type: ApplicationFiled: December 10, 2012Publication date: June 13, 2013Applicant: Exide TechnologiesInventors: Xiangjun Wang, Hongbo Zhang, David Robert Mihara, John Harold Miller, Joel Thomas Charlton, Jimmy Lee Stewart
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Patent number: 8344656Abstract: A control circuit for a switched mode power supply includes a transconductance amplifier circuit for receiving a voltage signal related to a current from an input of the power supply and producing a first signal, an analog signal processor coupled to the amplifier circuit for receiving the first signal and a second signal from the input of the power supply and a third signal from an output of the power supply. The analog signal processor is configured to produce a fourth signal as a function of the first, the second, and the third signals. An adder circuit is coupled to the fourth signal and a dimmer control signal, and the adder circuit is configured to output a fifth signal. A comparator circuit is coupled to the adder circuit for providing a control signal to a power transistor that controls current flow in the power supply based on comparison of the fifth signal and a reference signal.Type: GrantFiled: February 2, 2010Date of Patent: January 1, 2013Assignee: BCD Semiconductor Manufacturing LimitedInventors: Hongyue Du, Xinfeng Liu, Wei Zhang, Jiusheng Zhang, Hongbo Zhang
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Publication number: 20120328912Abstract: A winding assembly including positive and negative electrodes and a separator sheet wound in an overlying relationship such that the separator sheet is positioned between the positive and negative electrodes, and such that an exposed edge of the positive electrode is spaced longitudinally from an unexposed edge of the negative electrode at one end, and such that an exposed edge region of the negative electrode is spaced longitudinally from an unexposed edge of the positive electrode at an opposite end, and wherein a portion of the positive electrode proximate to the exposed edge of the positive electrode comprises a first plurality of apertures and a portion of the negative electrode proximate to the exposed edge of the negative electrode comprises a second plurality apertures.Type: ApplicationFiled: June 19, 2012Publication date: December 27, 2012Applicant: EXIDE TECHNOLOGIESInventors: Hongbo Zhang, David Robert Mihara, Xiangjun Wang
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Publication number: 20120311268Abstract: Disclosed are a method and an apparatus for controlling data storage. The method includes: obtaining the number of copies of to-be-placed media content; inputting user set information, server set information, media traffic demand information, and network topology information that are collected into a joint optimization model that is based on server selection and traffic engineering to perform joint optimization, and obtaining output information; performing statistics collection on the output information to obtain user access statistics of the to-be-placed media content on each cache device; and placing, according to the user access statistics of the media content and the number of copies, the copies of the to-be-placed media content so that the copies of the to-be-placed media content are preferentially placed on a cache device having large user access statistics. Embodiments of the present invention also provide an apparatus for controlling data storage.Type: ApplicationFiled: August 17, 2012Publication date: December 6, 2012Inventors: Xiangyang XU, Guangyu Shi, Hongbo Zhang, Liufei Wen
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Patent number: 8265303Abstract: In one embodiment the present invention includes a method for starting up a class D amplifier. The method comprises increasing, gating, and driving. The increasing includes increasing a duty cycle of a pulse train from a first duty cycle to a second duty cycle. The gating includes gating a signal based on the increasing of the duty cycle. The gating results in a gated signal. The driving includes driving an output signal from the gated signal to charge an output capacitor. The output capacitor is coupled to a speaker. The increasing of the duty cycle contributes to the charging of the output capacitor such that switching sounds detectable by the human ear are reduced.Type: GrantFiled: March 11, 2009Date of Patent: September 11, 2012Assignee: PacificTech Microelectronics, Inc.Inventors: Hongbo Zhang, Vincent Fong, Jing Xu, Yuling Khang
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Publication number: 20120028666Abstract: A pre-processing method and system for cooperative communication are provided. The method includes: after obtaining channel matrices collected by a Base Station (BS), obtaining Multiple-Input Multiple-Output (MIMO) Cooperation Area (CA) information, in which the MIMO CA information includes cooperation information between BSs, and the cooperation information between the BSs is used to determine an interference relation between MIMO CAs; combining the channel matrices of a User Equipment (UE) according to the interference relation between the MIMO CAs; and performing pre-coding computation of the UE by using the combined channel matrices.Type: ApplicationFiled: October 5, 2011Publication date: February 2, 2012Applicant: HUAWEI TECHNOLOGIES CO., LTD.Inventors: Guangyu SHI, Hongbo ZHANG, Xun YANG, Cheng HE
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Patent number: 8009957Abstract: A strain relief for distributing strain along an outer surface of an optical fiber cable is disclosed. The strain relief is shaped to surround and tangentially grip the cable via friction between the outer surface of the cable and an inner surface of the strain relief. The strain relief also includes a pulling eye to protect the cable (and a connector) from pulling force (i.e. strain), water and dust. The strain relief is relatively small, low cost and easy to use.Type: GrantFiled: February 27, 2009Date of Patent: August 30, 2011Assignee: OFS Fitel, LLCInventors: Quentin Wayne Utz, Hongbo Zhang
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Publication number: 20110156298Abstract: The invention provides an injection molding method of stone-based composite material and equipment thereof, wherein the method comprises the following steps: a. putting raw materials into a charging device and then pushing the raw materials into a preforming machine barrel of a preforming device by a pressing component in the charging device; b. keeping the temperature being between 15° C. and 55° C. and compacting the raw materials with the rotation of a preforming screw and transporting the raw materials into a collecting block; c. injecting the raw materials into a mold through a mold gate under the injection force of 50 Mpa to 180 Mpa; d. keeping the temperature of the mold between 140° C. and 200° C. and curing time between 40 seconds and 300 seconds; and e. opening the mold to get the product. The invention has the advantages of simple production process, high acceptance rate of products manufactured, high production efficiency and low production cost.Type: ApplicationFiled: September 7, 2010Publication date: June 30, 2011Applicant: Ningbo Haitian Beihua Science and Technology Co., LTDInventors: Jianming ZHANG, Jianbo ZHANG, Xumin ZHANG, Hongbo ZHANG
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Publication number: 20110148324Abstract: A control circuit for a switched mode power supply includes a transconductance amplifier circuit for receiving a voltage signal related to a current from an input of the power supply and producing a first signal, an analog signal processor coupled to the amplifier circuit for receiving the first signal and a second signal from the input of the power supply and a third signal from an output of the power supply. The analog signal processor is configured to produce a fourth signal as a function of the first, the second, and the third signals. An adder circuit is coupled to the fourth signal and a dimmer control signal, and the adder circuit is configured to output a fifth signal. A comparator circuit is coupled to the adder circuit for providing a control signal to a power transistor that controls current flow in the power supply based on comparison of the fifth signal and a reference signal.Type: ApplicationFiled: February 2, 2010Publication date: June 23, 2011Applicant: BCD Semiconductor Manufacturing LimitedInventors: Hongyue Du, Xinfeng Liu, Wei Zhang, Jiusheng Zhang, Hongbo Zhang
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Patent number: 7959845Abstract: The invention provides an injection molding method of stone-based composite material and equipment thereof, wherein the method comprises the following steps: a. putting raw materials into a charging device and then pushing the raw materials into a preforming machine barrel of a preforming device by a pressing component in the charging device; b. keeping the temperature being between 15° C. and 55° C. and compacting the raw materials with the rotation of a preforming screw and transporting the raw materials into a collecting block; c. injecting the raw materials into a mold through a mold gate under the injection force of 50 Mpa to 180 Mpa; d. keeping the temperature of the mold between 140° C. and 200° C. and curing time between 40 seconds and 300 seconds; and e. opening the mold to get the product. The invention has the advantages of simple production process, high acceptance rate of products manufactured, high production efficiency and low production cost.Type: GrantFiled: September 7, 2010Date of Patent: June 14, 2011Assignee: Haitian Plastics Machinery GroupInventors: Jianming Zhang, Jianbo Zhang, Xumin Zhang, Hongbo Zhang
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Publication number: 20110047660Abstract: Compositions and methods for modifying the production levels of alkaloids in plants are provided. Alkaloid production can be genetically controlled by modulating the transcriptional activation of PMT genes mediated by members of the ERF family and/or Myc family of transcription factors. Novel nucleotide sequences encoding the Myc family of transciption factors are also provided.Type: ApplicationFiled: September 5, 2008Publication date: February 24, 2011Applicant: University of VirginiaInventors: Michael Paul Timko, Paul J. Rushton, Sheng-Cheng Han, Hongbo Zhang, Marta Tatiana Bokowiec
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Patent number: 7869685Abstract: Embodiments of the invention include a connector system. The connector system includes a connector cover. The connector-cover has a cap to protect a connector from dust and water and an adapter attached to an optical fiber cable, which is configured to connect to the cap. The dimensions and configuration of the connector-cover allow it to be pulled through conventional conduit (i.e. a 90°-bent, 0.75 inch Schedule 40 conduit).Type: GrantFiled: June 23, 2008Date of Patent: January 11, 2011Assignee: OFS Fitel, LLCInventors: Daniel Hendrickson, Quentin Wayne Utz, Hongbo Zhang, Kelvin B. Bradley
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Publication number: 20100232628Abstract: In one embodiment the present invention includes a method for starting up a class D amplifier. The method comprises increasing, gating, and driving. The increasing includes increasing a duty cycle of a pulse train from a first duty cycle to a second duty cycle. The gating includes gating a signal based on the increasing of the duty cycle. The gating results in a gated signal. The driving includes driving an output signal from the gated signal to charge an output capacitor. The output capacitor is coupled to a speaker. The increasing of the duty cycle contributes to the charging of the output capacitor such that switching sounds detectable by the human ear are reduced.Type: ApplicationFiled: March 11, 2009Publication date: September 16, 2010Applicant: PacificTech Microelectronics, Inc.Inventors: Hongbo Zhang, Vincent Fong, Jing Xu, Yuling Khang
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Publication number: 20100220969Abstract: A strain relief for distributing strain along an outer surface of an optical fiber cable is disclosed. The strain relief is shaped to surround and tangentially grip the cable via friction between the outer surface of the cable and an inner surface of the strain relief. The strain relief also includes a pulling eye to protect the cable (and a connector) from pulling force (i.e. strain), water and dust. The strain relief is relatively small, low cost and easy to use.Type: ApplicationFiled: February 27, 2009Publication date: September 2, 2010Applicant: OFS Fitel, LLCInventors: Quentin Wayne Utz, Hongbo Zhang
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Patent number: 7748660Abstract: A spooling tool for paying out a fiber optic cable prewound on a spool region of a drop box or on an associated spool, when installing a cable at a user's premises. In one embodiment, the tool includes a base plate and a stud projecting from one side of the plate. An elongate arbor has one end secured to the stud in such a manner as to support the arbor perpendicular to the base plate. The arbor is dimensioned to pass through an axial passage in the box so that the box pivots on the arbor when the cable is unwound by an installer. A cap mechanism at the opposite end of the arbor retains the drop box on the arbor, and applies enough drag on the box to inhibit it from free wheeling on the arbor.Type: GrantFiled: November 7, 2007Date of Patent: July 6, 2010Assignee: OFS Fitel, LLCInventors: Daniel Hendrickson, Hongbo Zhang, Rathindra Nahar
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Patent number: 7672562Abstract: An optical fiber cable includes a stopper, an enlarged section, around a portion of its outside surface that is adapted to engage a tool, which is used for pulling the cable through a conduit or the like. The stopper may be an integrated part of the cable, or it may be applied to the cable as a shrink tube or an adhesive tape.Type: GrantFiled: February 27, 2009Date of Patent: March 2, 2010Assignee: OFS Fitel, LLCInventors: Jeffery A Fandl, Hongbo Zhang
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Publication number: 20100009000Abstract: A pharmaceutical granule whose shape is spherical or sphere-like shape with a bulk density of 0.6-1.3 g/ml and a dissolution time of 0.5-5 minutes, which is prepared as follows: mother granules are filled into a fluidized-bed as bed charge; active pharmaceutical ingredients are prepared into a suspension or solution whose viscosity is adjusted to 6.0-9.8 Mpa·S with viscosity adjusting agent; then it is sprayed onto surface of said mother granule to obtain final granule.Type: ApplicationFiled: June 22, 2007Publication date: January 14, 2010Applicant: TIANJIN TASLY PHARMACEUTICAL CO. LTD.Inventors: Shunnan Zhang, Jianhui Yang, Lina Dong, Hongbo Zhang, Xiaolin Bai, Yan Sun, Ting Li
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Patent number: 7546018Abstract: A network provider cable is routed to a splitter box in a multi-dwelling unit or commercial building where the cable fibers are terminated. One or more riser cables, each terminated at one end at the splitter box, are routed through a building shaft. Each riser cable contains fibers associated with units located on a certain set of one or more floors of the building. The other end of each riser cable is terminated at an aggregation box associated with the floors of the set. A feeder cable is routed between the aggregation box and each floor of the set, or a corresponding floor area of one floor. A drop box is provided for each floor or floor area for terminating the corresponding feeder cable. Drop cables are routed between the drop box and units on the floor or in the floor area to be served.Type: GrantFiled: August 10, 2007Date of Patent: June 9, 2009Assignee: OFS Fitel, LLCInventors: Daniel Hendrickson, Peter A. Weimann, Hongbo Zhang