Patents Assigned to National Taiwan University of Science and Technology
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Patent number: 9391584Abstract: A balun device is disclosed herein. The balun device is configured to transform a single-ended signal into a differential signal. The balun device includes a first and a second output port, an input port, and a matching circuit. The first output port includes a first output terminal. The second output port includes a second output terminal. The input port includes an input single-ended signal terminal and an input single-ended reference terminal. The input single-ended reference terminal is connected to the second output terminal, and the input single-ended signal terminal is configured to receive the single-ended signal which is relative to the input single-ended reference terminal. The matching circuit is connected to the first output port, the second output port and the input port and configured to transform the single-ended signal into the differential signal outputted between the first and the second output port with lowpass, highpass, or bandpass response.Type: GrantFiled: December 9, 2014Date of Patent: July 12, 2016Assignee: NATIONAL TAIWAN UNIVERSITY OF SCIENCE AND TECHNOLOGYInventors: Tzyh-Ghuang Ma, Yi-Lung Wu
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Patent number: 9381491Abstract: A ceramic material, methods for adsorbing and converting carbon dioxide are provided. The ceramic material is represented by a chemical formula M1xM2yOz, wherein M1 is selected from a group consisting of Nd, Sm, Gd, Yb, Sc, Y, La, Ac, Al, Ga, In, Tl, V, Nb, Ta, Fe, Co, Ni, Cu, Ca, Sr, Na, Li and K; M2 is selected from a group consisting of Ce, Zn, Ti, Zr and Si; O represents oxygen atom; x<0.5, y>0.5, x+y=1.0, z<2.0; and the ceramic material has an adsorption capacity of not less than 20 ?mol/g for CO2 at 50° C.Type: GrantFiled: January 16, 2013Date of Patent: July 5, 2016Assignee: National Taiwan University of Sciences and TechnologyInventors: Sheng-Chiang Yang, Wei-Nien Su, Bing-Joe Hwang
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Patent number: 9375821Abstract: A novel polishing pad is described. The polishing pad includes a base plate, a main polishing body, a plurality of metal bottom portions, a positive electrode conductive wire and a negative electrode conductive wire. The main polishing body made from a non-conductive material and disposed on the base plate includes a plurality of cavities thereon. The metal bottom portions are disposed in the cavities with each of the cavities having one of the metal bottom portions therein. The positive electrode conductive wire electrically is connected to a positive electrode of a power supply. The negative electrode conductive wire electrically is connected to a negative electrode of the power supply. The positive electrode conductive wire and the negative electrode conductive wire alternatively pass through the base plate and connect to the metal bottom portions respectively.Type: GrantFiled: May 27, 2012Date of Patent: June 28, 2016Assignee: NATIONAL TAIWAN UNIVERSITY OF SCIENCE AND TECHNOLOGYInventors: Chao-Chang Chen, Chi Hsiang Hsieh
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Publication number: 20160170117Abstract: The present invention discloses a light emitting module and a method for generating ultrabroadband near-infrared light and increasing the bandwidth and output power. The light emitting module includes a linearly polarized laser pump for generating a visible laser, a half-wave plate for adjusting the to polarization orientation of the visible laser, and a crystal optical fiber disposed on the output light path of the half-wave plate. The core of the crystal optical fiber is made of forsterite (Mg2SiO4) doped with Cr3+ and Cr4+ ions. The doping process comprises: depositing a chromium oxide layer on the lateral surface of the core and driving the chromium atoms into the core by high temperature diffusion; coupling the visible laser into the core to produce a spontaneous emission with wavelengths from 750 to 1350 nm continuously. Particularly, the continuous spectrum is adjustable by changing the polarization orientation of the visible laser via the half-wave plate.Type: ApplicationFiled: July 14, 2015Publication date: June 16, 2016Applicant: National Taiwan University of Science and TechnologyInventors: Ping-hui Yeh, Heng-i Lee
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Patent number: 9368790Abstract: A method for manufacturing a composite is disclosed. The method includes steps of (a) providing a powder in a first weight ratio, a graphene oxide in a second weight ratio, a first modifying agent having a first electric charge, and a second modifying agent having a second electric charge; (b) reacting the first modifying agent with the powder so that a surface of the powder has the first electric charge; (c) reacting the second modifying agent with the graphene oxide so that a surface of the graphene oxide has the second electric charge; and (d) mixing the powder having the first electric charge and the graphene oxide having the second electric charge to form a composite, wherein the first and the second electric charges are of opposite electrical polarities.Type: GrantFiled: January 22, 2014Date of Patent: June 14, 2016Assignee: NATIONAL TAIWAN UNIVERSITY OF SCIENCE AND TECHNOLOGYInventors: Bing Joe Hwang, Yun Sheng Ye, Wei Nien Su
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Patent number: 9345434Abstract: A physiological signal measurement apparatus is capable of automatically adjusting a measure position and suitable for installed on a support element to measure a physiological signal of a user. The physiological signal measurement apparatus includes a movable element, a physiological signal sensing element, a pressure sensing unit and a microcontroller unit. The movable element has a first pressure. The user exerts a second pressure on the physiological signal sensing element, and exerts a third pressure on the support element. The pressure sensing unit senses the first pressure, the second pressure and the third pressure to generate a first pressure signal, a second pressure signal and a third pressure signal. The microcontroller unit receives the physiological signals and the pressure signals, and controls the movable element by the pressure signals and the physiological signals, in order to increase the quality of signal measurement.Type: GrantFiled: June 23, 2014Date of Patent: May 24, 2016Assignee: National Taiwan University of Science and TechnologyInventors: Yuan-Hsiang Lin, Chong-Rong Wu
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Patent number: 9343734Abstract: The present invention provides a multi-dimensional carbon active compound composite comprising a first carbon material, a second carbon material, an active compound, and further a seed material. This composite is capable of storing faradic or non-faradic charges. The produced multi-dimensional carbon can significantly inhibit the aggregation and disintegration of active compounds. Stacked carbon structure also formed a 3-D framework with high electron conductivity, which increases the rate capability of electrode. The green and simple synthesis process has a great potential for mass production. This green energy storage material can be widely applied to lithium secondary ion battery, supercapacitor, and lithium-air battery electrodes.Type: GrantFiled: March 8, 2013Date of Patent: May 17, 2016Assignee: National Taiwan University of Science and TechnologyInventors: Bing-Joe Hwang, Ming-Yao Cheng, Ju-Hsiang Cheng, Cheng-Liang Hwang, Tse-Ming Chiu
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Patent number: 9337779Abstract: An operational transconductance amplifier includes a cascode differential-pair amplifying circuit, a bias driving circuit, and a common mode feedback circuit. The cascode differential-pair amplifying circuit is configured for receiving a differential input voltage and for providing a differential output voltage. The bias driving circuit is configured for providing a first bias current to drive the cascode differential-pair amplifying circuit and for adjusting the transconductance of the transconductance amplifier. The bias driving circuit includes a first floating-gate transistor. The first floating-gate transistor is configured for adjusting the first bias current. The common mode feedback circuit is configured for adjusting a second bias current of the cascode differential-pair amplifying circuit according to the differential output voltage so that the differential output voltage is stabilized.Type: GrantFiled: July 1, 2014Date of Patent: May 10, 2016Assignee: NATIONAL TAIWAN UNIVERSITY OF SCIENCE AND TECHNOLOGYInventors: Tzu-Yun Wang, Min-Rui Lai, Sheng-Yu Peng
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Publication number: 20160121415Abstract: A wire electrical discharge machining (WEDM) method is disclosed, the WEDM method comprising steps of: (a) providing one of a non-conductive and a weakly conductive object having a to-be-cut surface; (b) providing one of a wire and a cutting tool having a cutting blade edge to cut the object along the to-be-cut surface; (c) providing a conductive medium to adhere to the to-be-cut surface via the cutting blade edge; and (d) applying an electric current between the one of the wire and the cutting tool, and the to-be-cut surface adhered to the conductive medium such that the to-be-cut surface is melted.Type: ApplicationFiled: July 7, 2015Publication date: May 5, 2016Applicant: National Taiwan University of Science and TechnologyInventors: Chun-Liang Kuo, Jeng-Ywan Jeng
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Patent number: 9318773Abstract: A lithium battery, including an anode, a cathode, an electrolyte solution and a package structure. The anode includes a material having an oxygen-containing functional group. The cathode and the anode are configured separately, and a housing region is defined between the cathode and the anode. The electrolyte solution is disposed in the housing region, and the electrolyte solution includes water and an additive. The package structure covers the anode, the cathode and the electrolyte solution.Type: GrantFiled: January 17, 2013Date of Patent: April 19, 2016Assignees: National Taiwan University of Science and Technology, Chung Yuan Christian UniversityInventors: Fu-Ming Wang, Chin-Shu Cheng, Wei-Jen Liu
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Patent number: 9298653Abstract: A serial-parallel interface circuit with nonvolatile memories is provided. A control module generates a plurality of control signals, wherein the control signals include readout and write-in control signals and memory programming control signals. An input terminal receives a plurality of digital data from external. The digital data are transmitted to the input terminal serially. Memory modules are coupled to the input terminal and receive the control signals from the control module. The input terminal transmits the digital data to the memory modules. One of the memory modules includes a memory unit, and the memory unit stores or transmits one bit of the digital data based on a high voltage control signal and a memory control signal. A plurality of output signal lines are respectively coupled to the memory modules. The memory unit transmits the one bit of the digital data to one of the output signal lines.Type: GrantFiled: January 29, 2014Date of Patent: March 29, 2016Assignee: NATIONAL TAIWAN UNIVERSITY OF SCIENCE AND TECHNOLOGYInventors: Sheng-Yu Peng, Chi-An Lai, Chiang-Hsi Lee, Tzu-Yun Wang
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Patent number: 9279782Abstract: A gas sensor comprises a layered structure with an ionic conductive film and a high gas-permeability interlayer film, a first catalyst electrode and a second catalyst electrode, a conductivity promotion structure, a high-k layer and a current detecting unit. The ionic conductive film includes a material with ionic conductivity ranging from 0.02 to 1000 S/cm. The first catalyst electrode and second catalyst electrode are located on the layered structure and spaced by a predetermined distance for ionizing a gas and reducing the ionized gas, respectively. The conductivity promotion structure includes a material with electronic conductivity ranging from 10?5 to 105 S/cm, and provides wanted electrons for a reduction reaction. The high-k layer is interposed between the conductivity promotion structure and layered structure. The current detecting unit is coupled to the first catalyst electrode and second catalyst electrode to sense a detecting current with respect to the ionized gas.Type: GrantFiled: April 3, 2013Date of Patent: March 8, 2016Assignee: NATIONAL TAIWAN UNIVERSITY OF SCIENCE AND TECHNOLOGYInventors: Chen-Chia Chou, Tsung-Her Yeh, Wei-Wei Duan, Jyh-Shiarn Cherng, Ruei-De Lin
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Patent number: 9271773Abstract: The present invention discloses an approximately ?-shaped improved bone plate structure, fixed on a bone of an animal for maintaining the relative positions of different portions of the bone. One of the other features of the present invention is that bone plate structure comprises at least one contouring portion for allowing the surgeons to intra-operatively adjusting the shape in accordance with the shape of the bone. Furthermore, the present invention may fit the bone with multi-axis, decreasing stress concentration, preventing the opening portion from being unsuitably covered and preventing the wound deformation from being pressed.Type: GrantFiled: December 22, 2011Date of Patent: March 1, 2016Assignees: NATIONAL TAIWAN UNIVERSITY OF SCIENCE AND TECHNOLOGY, TRI-SERVICE GENERAL HOSPITALInventors: Su-Yang Hwa, Shang-Chih Lin, Yu-Ling Chen, Yu-Ming Wang, Chu-An Luo
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Patent number: 9275431Abstract: A method for calibrating a laser measuring apparatus having a laser illumination unit and an image capturing unit includes the following steps. A calibration board having at least one slit gap and a plurality of markers is provided. The relative position between the calibration board and the laser illumination unit is adjusted to allow a slit laser beam emitted by the laser illumination unit to pass through the at least one slit. The calibration board is captured by the image capturing unit to generate a calibration board image. The calibration board image is processed so as to obtain a camera coordinate of each of the markers. A plurality of calibration parameters are calculated according to the camera coordinate and an actual coordinate of each of the markers so as to obtain actual coordinates of an object captured in an object image generated by the laser measuring apparatus.Type: GrantFiled: August 5, 2014Date of Patent: March 1, 2016Assignee: National Taiwan University of Science and TechnologyInventor: Tzung-Han Lin
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Patent number: 9269964Abstract: A composite catalyst for an electrode is described, including platinum for dehydrogenation, an element E for water dissociation, and a material MOx for stabilization of the element E, wherein x ranges from 0 to 3.Type: GrantFiled: December 5, 2008Date of Patent: February 23, 2016Assignee: National Taiwan University of Science and TechnologyInventors: Bing-Joe Hwang, Jing-Shan Do, Chi-Wen Lin, Jyh-Fu Lee, Shao-Kang Hu, Ching-Hsiang Chen, Shih-Chieh Yen
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Patent number: 9264135Abstract: A bidirectional pentaplex system is connected to a machine room. The machine room provides a first optical signal, a second optical signal and a monitoring signal and transmits to the bidirectional pentaplex system. The bidirectional pentaplexer includes a first receiving unit, a second receiving unit, a first emitting unit, a second emitting unit, a filter, a transceiver, a grating, a plurality of reflecting units and a control circuit. The receiving units and the transceiver respectively receives the signals, then the control circuit controls the emitting units emitting the feedback signals and transmits the feedback signals back to the machine room.Type: GrantFiled: July 8, 2014Date of Patent: February 16, 2016Assignee: NATIONAL TAIWAN UNIVERSITY OF SCIENCE AND TECHNOLOGYInventors: Chang-Chia Chi, Chen-Wen Tarn, I-Ju Chen
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Patent number: 9254402Abstract: The present invention discloses a movement facilitative device, basically comprising a first fixing module, a second fixing module, an energy storing module and a switching module, wherein the first fixing module and the second fixing module are fixed on the first extremity and the second extremity of the animal respectively. The first fixing module is connected with the second fixing module. The present invention has the advantages of decreasing the force required by the muscles during the exercise as well as retarding the impact enforced thereon while the user is jogging or exercising. Furthermore, the switching module of the present invention minimizes the limitations to the movement of the user so as to let the user exercise more effortlessly.Type: GrantFiled: July 20, 2012Date of Patent: February 9, 2016Assignee: National Taiwan University of Science and TechnologyInventors: Mau-Pin Hsu, Jheng-Ying Lin, Jia-Yang Liang
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Patent number: 9256324Abstract: An interactive operation method of an electronic apparatus is provided. An image sequence is captured by an image capturing unit. An image pre-processing is executed on an image of the image sequence. A fingertip candidate region is obtained from the image. Whether the fingertip candidate region is connected with a hand region is determined. If the fingertip candidate region is connected with the hand region, the fingertip candidate region serves as a target fingertip region. Whether a click event occurs is determined by continuously tracking the target fingertip region. When the click event occurs, a corresponding function is executed.Type: GrantFiled: December 19, 2013Date of Patent: February 9, 2016Assignee: National Taiwan University of Science and TechnologyInventors: Bai-Ruei Huang, Chang-Hong Lin, Chia-Han Lee
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Patent number: 9233521Abstract: The present invention relates to a tin whisker mitigation material using thin film metallic glass underlayer, which is a thin film metallic glass (TFMG) formed between a metal substrate and a tin layer. Particularly, the TFMG can be a Zr46Ti26Ni28 underlayer or a Zr51.7Cu32.3Al9Ni underlayer, capable of blocking off the interaction occurring in the interface of a copper layer (the metal substrate) and the tin layer, so as to carry out the inhibition of tin whisker growth. Moreover, a variety of experiment data are proposed for proving that the TFMG of the Zr46Ti26Ni28 or the Zr51.7Cu32.3Al9Ni can indeed be used to replace the conventionally used thick tin layer for being the underlayer between the copper layer (the metal substrate) and the tin layer, and then effectively inhibit the interaction occurring in the Cu/Sn interface and the growth of tin whisker by low manufacturing cost way.Type: GrantFiled: August 28, 2013Date of Patent: January 12, 2016Assignee: National Taiwan University Of Science And TechnologyInventors: Jinn Chu, I Made Wahyu Diyatmika, Yee-Wen Yen, Wen-Zhi Chang
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Patent number: 9232981Abstract: A surgical holder is provided, including a base unit, a first positioning unit, a second positioning unit, a connecting unit, a first orientating unit, and a second orientating unit. The first elastic element, the second elastic element, the plurality of third elastic elements and the plurality of the fourth elastic elements balance the surgical holder statically. Further, the connecting unit, the first and second orientating units are designed to have RCM points which restrict lateral displacement of the surgical holder on the surgical incision to increase safety in laparoscopic operations.Type: GrantFiled: July 18, 2014Date of Patent: January 12, 2016Assignee: National Taiwan University of Science and TechnologyInventors: Chin-Hsing Kuo, Shao-Jung Lai