Patents by Inventor Jian-ping (Jim) Zheng
Jian-ping (Jim) Zheng 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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Patent number: 8721347Abstract: An RF connector (100) for receiving a mating connector along a mating direction, includes an insulative housing (1), an outer conductor (3) retained with the insulative housing, and a central conductor (2) retained with the insulative housing. The outer conductor includes a tubular section (31) defining an axial line along the mating direction and a number of leg sections (32, 33) extending outwardly from a bottom of the tubular section. The central conductor includes a contact section (22) positioned within the tubular section along the mating direction, a radial section (21) extending outwardly from a bottom of the contact section along a radial direction perpendicular to the mating direction, and an extension section (24) extending out of the insulative housing. The extension section is connected with the radial section via a declined connection portion (23). The insulative housing extends below the radial section.Type: GrantFiled: March 26, 2012Date of Patent: May 13, 2014Assignee: Hon Hai Precision Industry Co., Ltd.Inventors: Jian-Ping Xiao, Ming-Lun Kuo
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Patent number: 8723435Abstract: An electronic ballast includes an inverter circuit, a variable inductor unit and a control circuit. The variable inductor unit is electrically coupled between the inverter circuit and an illumination device. The control circuit controls the variable inductor unit according to an operation mode of the inverter circuit such that an equivalent inductance of the variable inductor unit has a variation fed back to the inverter circuit, to further change the operation mode of the inverter circuit. An illumination apparatus and a method for protecting the electronic ballast are also disclosed.Type: GrantFiled: September 23, 2011Date of Patent: May 13, 2014Assignee: Delta Electronics (Shanghai) Co., Ltd.Inventors: Wei-Qiang Zhang, Jian-Ping Ying
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Patent number: 8715307Abstract: The present invention relates to a device for performing an incision in a region of interest of a patient, said device including a blade portion for providing the incision, said blade attached to a biasing means to enact a vertical force on said blade so that the blade is biased in a retracted position, a triggering means for activating the blade to move from a previously retained pre-operating position, to an operating position where the blade contacts a region of interest of the patient thereby performing an incision, and to a post operating position, a guide means to guide a path of the blade as it moves in an operating position said blade portion adapted to engage said guide means when in an operating position, so that a path of the blade in an operating position is guided, the device further including a housing to house said device, said housing having an elongate slot at one end, where in an operating position, the blade extends therethrough said slot, and in a pre and post operating position, the bladeType: GrantFiled: December 1, 2006Date of Patent: May 6, 2014Assignee: Medipurpose Pte LtdInventor: Jian Ping Sun
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Patent number: 8709610Abstract: Multilayer thermoplastic film structures are described which comprise at least two layers. One layer comprises a homopolymer polypropylene and a second layer, which is at least 3 microns thick, comprises a polyolefin material with a melting point of from 90° C. to 105° C. The film structures are particularly suited for lamination onto substrates such as paper or paper board.Type: GrantFiled: October 17, 2008Date of Patent: April 29, 2014Assignee: Dow Global Technologies LLCInventors: Xiao Bing Yun, Jian-ping Pan
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Patent number: 8703355Abstract: A membrane electrode assembly (MEA) for a fuel cell comprising a gradient catalyst structure and a method of making the same. The gradient catalyst structure can include a plurality of catalyst nanoparticles, e.g., platinum, disposed on layered buckypaper. The layered buckypaper can include at least a first layer and a second layer and the first layer can have a lower porosity compared to the second layer. The gradient catalyst structure can include single-wall nanotubes, carbon nanofibers, or both in the first layer of the layered buckypaper and can include carbon nanofibers in the second layer of the layered buckypaper. The MEA can have a catalyst utilization efficiency of at least 0.35 gcat/kW or less.Type: GrantFiled: July 19, 2010Date of Patent: April 22, 2014Assignee: Florida State University Research Foundation, Inc.Inventors: Chun Zhang, Wei Zhu, Jian-ping Zheng, Zhiyong Liang, Ben Wang
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Patent number: 8698477Abstract: A control method for reducing audio noise is disclosed. The method includes the steps of: providing an input power source; providing a power source converter having a component with a mechanical resonant frequency, coupled to the input terminal or the output terminal of the power source converter; providing an output capacitor and a load connected in parallel therebetween; making the power source converter operate in a burst mode; and controlling the electrical energy transferred from the input terminal to the output terminal of the power source converter during an operating period of every burst cycle, so as to reduce the audio noise of the power source converter.Type: GrantFiled: September 12, 2012Date of Patent: April 15, 2014Assignee: Delta Electronics, Inc.Inventors: Hong-Yuan Jin, Jia-Le Dai, Hong-Jian Gan, Jian-Ping Ying
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Publication number: 20140097829Abstract: A device includes an excitation coil, a detector coil, and a processing circuit. The excitation coil is aligned about a volume. The excitation coil is configured to carry a first and second biasing current and generate a magnetic field in the volume. The detector coil is configured to generate an electrical signal based on a detected field within the volume. The detected field is based on the magnetic field. The processing circuit is configured to generate data based on the electrical signal.Type: ApplicationFiled: November 15, 2011Publication date: April 10, 2014Applicant: Regents of the University of MinnesotaInventors: Jian-Ping Wang, Liang Tu
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Publication number: 20140099663Abstract: A system includes a first sensor, a field source, and a processor. The first sensor includes a surface and has an electrical resistance determined by a magnetic field at the surface. The field source is configured to provide a biasing magnetic field to the surface. The biasing magnetic field is aligned parallel to the surface and aligned perpendicular relative to the surface. The magnetic field has a frequency. The processor is coupled to the sensor and is configured to determine a parameter based on a measure of a change in the resistance. The change in the resistance corresponds to the resistance at a time before onset of a magnetic field perturbance at the surface and a time after the onset of the magnetic field perturbance at the surface.Type: ApplicationFiled: November 15, 2011Publication date: April 10, 2014Applicant: Regents of the University of MinnesotaInventors: Jian-Ping Wang, Yuanpeng Li
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Patent number: 8693197Abstract: The present invention provides a heat sink device, suitable to the heat dissipation of a high-power medium-voltage drive power cell. The device comprises a heat dissipation substrate having a first surface, a second surface and an inner layer between the first surface and the second surface; a heat pipe having an evaporation section and a condensation section. The evaporation section is buried in the inner layer of the heat dissipation substrate, and the condensation section is used to dissipate the heat from the evaporation section to the air. The power elements of the high-power medium-voltage drive power cell are disposed on the first surface and the second surface, respectively.Type: GrantFiled: January 2, 2012Date of Patent: April 8, 2014Assignee: Delta Electronics (Shanghai) Co., Ltd.Inventors: Ai-Xing Tong, Yu-Ming Chang, Hong-Jian Gan, Shao-Cai Ma, Jian-Ping Ying
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Publication number: 20140093927Abstract: Variant sucrose transporter polypeptides that enable faster sucrose utilization in bacteria are described. Additionally, variant or recombinant bacteria comprising these variant sucrose transporter polypeptides, and methods of utilizing the bacteria to produce products such as glycerol and glycerol-derived products are provided.Type: ApplicationFiled: December 5, 2013Publication date: April 3, 2014Applicant: E. I. du Pont de Nemours and CompanyInventors: Qi CHEN, Qiong CHENG, Jian Ping LAI, Kristin RUEBLING-JASS
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Publication number: 20140085848Abstract: An assembled circuit is disclosed, wherein the assembled circuit comprises an inductor having a top surface, a bottom surface and side surfaces, wherein each of a plurality of conductors extends from the top surface to the bottom surface via one of the side surfaces of the inductor, wherein a circuit board is disposed over the top surface of the first electronic component and electrically connected to the plurality of conductors and a plurality of pins disposed on the bottom surface of the inductor for connecting to another circuit board.Type: ApplicationFiled: December 3, 2013Publication date: March 27, 2014Applicant: DELTA ELECTRONICS, INC.Inventors: Jian-Hong Zeng, Wei Yang, Shou-Yu Hong, Jian-Ping Ying
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Publication number: 20140086710Abstract: A baking transmission mechanism includes a dustproof assembly, which includes a box, a main transport wheel, and a drive unit. The first transportation assembly includes a first oven assembly, a first feed wheel, a first discharge wheel, a first pulley assembly, and a second pulley assembly. The first feed wheel and the first discharge wheel are located at a top of the first oven assembly, and the first pulley assembly and the second pulley assembly are located at opposite sides of the first oven assembly. The second transportation assembly includes a second oven assembly, a second feed wheel, a second discharge wheel, and a third pulley assembly, wherein the second feed wheel and the second discharge wheel are located at a top of the second oven assembly, and the third pulley assembly is adjacent to the second pulley assembly.Type: ApplicationFiled: September 24, 2013Publication date: March 27, 2014Applicants: FIH (HONG KONG) LIMITED, SHENZHEN FUTAIHONG PRECISION INDUSTRY CO., LTD.Inventors: FEI YU, JIAN-PING JIN, BING YU
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Patent number: 8680678Abstract: A conductive electrode paste or ink formulation including a getter removes or reduces the concentration of the unwanted impurities in an electronic device. These reductions may happen during or immediately after the fabrication or sealing of the device, or they may occur after some activation time or event. Water, oxygen, carbon dioxide, hydrogen, and residual solvents are gettered.Type: GrantFiled: June 1, 2010Date of Patent: March 25, 2014Assignee: Sumitomo Chemical Co., Ltd.Inventors: John Devin MacKenzie, Jian Ping Chen
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Patent number: 8680837Abstract: A driver for driving a driving element includes: a signal source, for providing a square signal; a first modulation circuit, for providing on-pulses and off-pulses according to edges of the square signal; a transformer for coupling output signals of the first modulation circuit to a secondary winding of the transformer to form coupled signals; a second modulation circuit for providing first operating pulses according to coupled on-pulses of the coupled signals, and providing second operating pulses according to coupled off-pulses of the coupled signals; a switch device for turning off the switch device according to the first operating pulses and turning on the switch device according to the second operating pulses, and when the switch device is turned off, coupled on-pulses charge an equivalent capacitor of the driving element to a first driving potential to turn on the driving element, and when the switch device is turned off, the equivalent capacitor discharges to a second driving potential to turn off theType: GrantFiled: March 15, 2011Date of Patent: March 25, 2014Assignee: Delta Electronics, Inc.Inventors: Jian-Hong Zeng, Jian Jiang, Qifeng Ye, Jian-Ping Ying
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Publication number: 20140078500Abstract: A particle detector has a sample area of cross section no in excess of about 2 mm for containing environmental fluid, a light source on one side of the sample area for directing a collimated or nearly collimated beam of light through the sample air or water so that part of the light beam will be scattered by any particles present in the air or water while the remainder remains unscattered, and a beam diverting device on the possible side of the sample area for diverting or blocking at least the unscattered portion of the beam of light and directing at least part of the scattered light onto a detector. The detector produces output pulses in which each pulse has a height proportional to particle size and a pulse height discriminator obtains the size distribution of airborne particles detected in the air or water sample at a given time from the detector output. The detector may also include a device for discriminating between biological agents and inorganic particles.Type: ApplicationFiled: August 5, 2013Publication date: March 20, 2014Inventors: Jian-Ping Jiang, John Babico, Michael Morrell
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Patent number: 8673602Abstract: Recombinant bacteria having an improved ability to utilize sucrose are provided. These recombinant bacteria have nucleotide sequences encoding sucrose utilization polypeptides integrated into their genome between the yihP gene or its homolog and the yihO gene or its homolog. Additionally, methods of utilizing the recombinant bacteria to produce products such as glycerol and glycerol-derived products are provided.Type: GrantFiled: August 16, 2011Date of Patent: March 18, 2014Assignee: E I du Pont de Nemours and CompanyInventors: Qi Chen, Qiong Cheng, Jian Ping Lai, Kristin Ruebling-Jass
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Publication number: 20140069053Abstract: A packaging device for packaging workpieces having a small size includes a controller, a receiving tray for receiving the workpieces, a vibrating plate for vibrating the receiving tray, a rotatable support mechanism, a vacuum grip device attached to the rotatable support mechanism, a packaging assembly, and a positioning assembly. The positioning assembly includes a delivery mechanism and an image sensor attached to the rotatable support mechanism. The delivery mechanism is used for supporting the receiving tray vibrated by the vibrating plate. The image sensor detects positions of the workpieces and sends position signals to the controller; the controller, according to the position signals, drives the rotatable support mechanism to bring the vacuum grip device to catch and position the workpieces to the packaging assembly to be packaged.Type: ApplicationFiled: June 11, 2013Publication date: March 13, 2014Inventors: MAO-YI YIN, JIAN-PING JIN, BING YU
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Publication number: 20140055172Abstract: A switch driving circuit for driving a full-controlled power switch is disclosed, including a pulse-width modulation unit, a pulse transformer, an anti-interference module, a pulse-width demodulation unit and a driving-power amplifier. The pulse-width modulation unit converts a driving input signal into a positive-negative narrow pulse-width signal. The anti-interference module is coupled to the secondary side and the positive-negative narrow pulse-width signal includes multiple positive pulses and negative pulses. The anti-interference module filters out the ones from the positive pulses and negative pulses of which the pulse amplitude does not reach an effective threshold, and meanwhile the anti-interference module suppress a common-mode noise caused by a high voltage transient variation at a moment when the full-controlled power switch is turned on or off. The pulse-width demodulation unit converts the filtered positive-negative narrow pulse-width signal into a driving output signal.Type: ApplicationFiled: March 8, 2013Publication date: February 27, 2014Applicant: DELTA ELECTRONICS, INC.Inventors: Ming WANG, Wei-Liang FU, Qing CONG, Jian-Ping YING, Bing ZHANG
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Publication number: 20140057536Abstract: A grinding apparatus includes a table, a grinding disk assembled on the table, three support plates for supporting workpieces, three weights, and a mechanism to suspend and lower any of the weights over the grinding disk. The three support plates are assembled on the table and located upon the grinding disk. The lifting mechanism includes a drive cylinder, a board member, a connecting member connecting the drive cylinder and the board member, and three fastening members rotatably attached to the board member, for hooking the weight blocks. The drive cylinder drives the board member bringing with the weight blocks to move towards the support plates until the weight blocks loaded on the support plates, to increase a grinding force.Type: ApplicationFiled: June 5, 2013Publication date: February 27, 2014Inventors: XU GONG, BING YU, JIAN-PING JIN
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Publication number: 20140049295Abstract: A switch-driving circuit suitable for driving a full-controlled power switch combination is disclosed. The switch-driving circuit includes a first pulse-width modulator, a high-voltage isolation pulse transformer module and a plurality of output modules. The high-voltage isolation pulse transformer module includes a magnetic core connected to multiple output modules in a one-to-many way, or includes multiple magnetic cores connected to multiple output modules in a one-to-one way. Each output module includes a second pulse-width modulator and a driving-power amplifier. The full-controlled power switch combination includes a plurality of full-controlled power switches. The driving-power amplifier is coupled between the second pulse-width modulator and one of the full-controlled power switches.Type: ApplicationFiled: January 2, 2013Publication date: February 20, 2014Applicant: DELTA ELECTRONICS, INC.Inventors: Hong-Jian Gan, Wei-Liang Fu, Ming Wang, Jian-Ping Ying