Patents Assigned to National Chung Cheng University
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Publication number: 20140147807Abstract: A computer-aided positioning and navigation system for dental implant includes a computer system having built therein a dental implant planning software and providing a 3D digital human tissues model to create an implant navigation information, a positioning assistive device including a body providing a positioning portion and a guide portion and a connection member carrying an optical positioning device, one or multiple optical capture devices, and a display device electrically connected to the computer system. The computer system controls the optical capture device to capture images and drives the display device to display a part of the content of the 3D digital human tissues model and the implant navigation information.Type: ApplicationFiled: February 26, 2013Publication date: May 29, 2014Applicant: NATIONAL CHUNG CHENG UNIVERSITYInventors: Hong-Tzong YAU, Yen-Kun LIN
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Publication number: 20140139382Abstract: A high-frequency chip antenna measurement system includes a platform; two piers; an arching; a stepper motor; an indication and fastening assembly having a source antenna holder and an illuminant indicator; a carrier stage; a chip antenna carrier having a support member and two sloping posts extending upward and outward from a top end of the support member, two chip antenna carrier benches being mounted to top ends of the two sloping posts respectively; a probe carrier having a support plate directionally variably fixed to the carrier substrate, two props fixed to the support member and parallel to each other and extending outward and upward slantingways, and a probe carrier bench mounted to top ends of the two props for bearing a probe; and a bridging member having two ends mounted to the chip antenna carrier benches.Type: ApplicationFiled: February 1, 2013Publication date: May 22, 2014Applicant: National Chung Cheng UniversityInventors: Chia-Chan CHANG, Sheng-Fuh CHANG, Chun-Chi LIN, Sheng-Chi HSIEH
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Publication number: 20140119730Abstract: A session-based dynamic bandwidth allocation applied to PON includes the steps of A) duplicating, under PON system, packets transmitted to a splitter from every ONU and filtering the packets as per session classification via a snooping agent of the ONU to get specific packets; B) making every ONU transmit the specific packets to a bandwidth analyzer via a tunneling; C) analyzing information of the specific packets or the relativities between every specific packet and the previous and next packets via the bandwidth analyzer to further generate a session state information and save it into a database; and D) making an OLT access the session state information in the database and applying an SDBA to the dynamic bandwidth allocation.Type: ApplicationFiled: December 26, 2012Publication date: May 1, 2014Applicant: NATIONAL CHUNG CHENG UNIVERSITYInventors: Cheng-Shong WU, Hui-Kai SU, Steven LEE, Ting-Chao HOU
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Publication number: 20140111605Abstract: A low-complexity panoramic image and video stitching method includes the steps of (1) providing a first image/video and a second image/video; (2) carrying out an image/video alignment to locate a plurality of common features from the first and second images/videos and to align the first and second images/videos pursuant to the common features; (3) carrying out an image/video projection and warping to make the first and second coordinates of the common features in the first and second images/videos correspond to each other and to stitch the first and second images/videos according to the mutually corresponsive first and second coordinates; (4) carrying out an image/video repairing and blending for compensating chromatic aberrations of at least one seam between the first and second images/videos; and outputting the stitched first and second images/videos.Type: ApplicationFiled: January 15, 2013Publication date: April 24, 2014Applicant: NATIONAL CHUNG CHENG UNIVERSITYInventors: Jiun-In GUO, Jia-Hou CHANG, Cheng-An CHIEN
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Publication number: 20140112613Abstract: Disclosed is a double-sided grating waveguide biosensor. The double-sided grating waveguide biosensor is used to sense the properties of a sample solution. The double-sided grating waveguide biosensor comprises a sequential stack of a plastic grating having a grating part, a waveguide layer having a double-sided grating structure, and a channel chip. Furthermore, the sample solution is guided into the channel chip; the light beam is coupled into the waveguide layer via the double-sided grating structure, propagates in the waveguide layer, and penetrates outward. The double-sided waveguide biosensor detects the properties of the sample solution via a variation of a light beam intensity of the outgoing light beam.Type: ApplicationFiled: October 18, 2013Publication date: April 24, 2014Applicant: NATIONAL CHUNG CHENG UNIVERSITYInventors: WEN-HSIN HSIEH, LAI-KWAN CHAU, HSUN-YUAN LI, WEI-CHUN HSU
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Patent number: 8698056Abstract: A battery-free electromagnetic leakage detector includes a substrate, an antenna, a filter circuit electrically connected with the antenna, a clamp circuit electrically connected with the filter circuit, and an indicating member electrically connected with the clamp circuit. Accordingly, the battery-free electromagnetic leakage detector is structurally simple and compact and can detect electromagnetic waves and display the detection without connection with any external power source.Type: GrantFiled: December 7, 2010Date of Patent: April 15, 2014Assignee: National Chung Cheng UniversityInventors: Sheng-Fuh Chang, Chia-Chan Chang, Po-Yu Tsai
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Patent number: 8673672Abstract: In the present invention, copper(I) selenide (Cu2-xSe) nanoparticles are fabricated by pyrolysis in an inert atmosphere. Uniformly dispersed Cu2-xSe particles are synthesized by altering Cu/Se ratio, the concentration of Se Precursors (TOP Se), reaction time and temperature. Analysis by inductively coupled plasma atomic emission spectroscopy (ICP-AES) of said Cu2-xSe nanoparticles reveals that the composition of the nanoparticles is Cu 1.95Se, wherein x=0.05. In addition, Cu2-xSe is dissolved in ethanol to deposit thin films by electrophoretical deposition (EPD) in an inert atmosphere, wherein a positive electrode and a negative electrode are employed. The positive electrode is made of stainless steel plate and the negative electrode is made of indium tin oxide on a glass substrate. Investigations on properties and surface morphology thereof in different electrophoretical conditions are carried out. The rate of EPD is found to significantly influence the quality of thin films.Type: GrantFiled: July 12, 2012Date of Patent: March 18, 2014Assignee: National Chung Cheng UniversityInventors: Chu-Chi Ting, Wen-Yuan Lee
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Patent number: 8671881Abstract: A thickness adjustment device for thin-film coating is revealed. The thickness adjustment device for thin-film coating includes a coating device, a support set, and a thickness adjustment unit. The coating device consists of a work piece conveyor that delivers a work piece, and a material supply unit that carries a coating material onto a surface of the work piece to form a film. The support set is connected to the coating device while the thickness adjustment unit is inserted through and mounted on the support set. The thickness adjustment unit includes a scrape part disposed correspondingly to the work piece and used for applying coating material to form the film. The thickness of the film is adjusted according to a controlling force or torque of the thickness adjustment unit that presses downward. Thus the film is coated on the work piece evenly and the film coating quality is increased.Type: GrantFiled: December 30, 2011Date of Patent: March 18, 2014Assignees: Metal Industries Research & Development Centre, National Chung Cheng UniversityInventors: Jung-Wei Cheng, Chang-Pen Chen, Jeng-Rong Ho, Bo-Ying Li, Yeh-Min Lin
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Publication number: 20140073054Abstract: The invention provides a yeast strain and a method for making the same. The method has the step of replacing the regulation region upstream of the hsp104 gene in the genome of the yeast, so as to accelerate and prolong the expression span of hsp104 gene and enhance the capability of the yeast to ferment and produce ethanol in a high-temperature environment. The yeast is capable of fermenting glucose at a temperature higher than 42° C. to produce ethanol, or biomass ethanol, wherein the ethanol production ratio based on fermentation of glucose is higher than 97%. Being able to synchronize the degradation/hydrolysis stage and fermentation stage of biomass ethanol producing process, the yeast in accordance with the present invention is able to lower the production cost of biomass ethanol and further raise the productivity with its high ethanol production ratio.Type: ApplicationFiled: September 11, 2012Publication date: March 13, 2014Applicant: NATIONAL CHUNG CHENG UNIVERSITYInventors: KUANG-TSE HUANG, Hau-Ren Chen, Wen-Chien Lee, Chang-Yu Wu, Hsin-Cheng Chen, Yu-Long Wu, Meng-Tsu Tsai, Ju-Ping Yeh, Yu-Wei Liang, Yu-Shiuan Lai
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Patent number: 8669316Abstract: Magnetic ion-exchange polymer microspheres and a method for preparing the same are provided. The method for preparing the magnetic ion-exchange polymer microspheres includes swelling the ion-exchange resins and allowing the magnetic nano-particles to enter the interior of the ion-exchange resins. The magnetic ion-exchange resins of the present invention have various functional groups can be introduced onto the surfaces thereof. Therefore, the magnetic ion-exchange resins of the present invention can be applied in many areas, and thereby they have high economic value.Type: GrantFiled: May 29, 2012Date of Patent: March 11, 2014Assignee: National Chung Cheng UniversityInventors: Wen-Chien Lee, Yu-Zong Lin, Yu-Sheng Lin, Tzu-Hsien Wang
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Patent number: 8662860Abstract: A microfluidic driving system includes a first planar electrode, a second planar electrode, a third planar electrode, a fourth planar electrode, a power supply unit and a detection module. The second, third and fourth planar electrodes are disposed parallel to the first planar electrode and face-to-face with the first planar electrode to form an accommodation space for accommodating a fluid. An AC power is provided by the power supply unit and an AC electrical field is applied by alternately connecting the third planar electrode and the fourth planar electrode with the first planar electrode for driving the first fluid and the second fluid to flow; and then AC electrical field is also applied by connecting the second planar electrode to the first planar electrode to mix the first fluid and the second fluid. Finally, a detection is performed upon a mixture of the fluids through the detection module.Type: GrantFiled: April 5, 2010Date of Patent: March 4, 2014Assignee: National Chung Cheng UniversityInventors: Wen-Hsin Hsieh, Jhih-Lin Chen, Wei-Hung Shih
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Patent number: 8663970Abstract: The invention provides a yeast strain and a method for making the same. The method has the step of replacing the regulation region upstream of the hsp104 gene in the genome of the yeast, so as to accelerate and prolong the expression span of hsp104 gene and enhance the capability of the yeast to ferment and produce ethanol in a high-temperature environment. The yeast is capable of fermenting glucose at a temperature higher than 42° C. to produce ethanol, or biomass ethanol, wherein the ethanol production ratio based on fermentation of glucose is higher than 97%. Being able to synchronize the degradation/hydrolysis stage and fermentation stage of biomass ethanol producing process, the yeast in accordance with the present invention is able to lower the production cost of biomass ethanol and further raise the productivity with its high ethanol production ratio.Type: GrantFiled: September 11, 2012Date of Patent: March 4, 2014Assignee: National Chung Cheng UniversityInventors: Kuang-Tse Huang, Hau-Ren Chen, Wen-Chien Lee, Chang-Yu Wu, Hsin-Cheng Chen, Yu-Long Wu, Meng-Tsu Tsai, Ju-Ping Yeh, Yu-Wei Liang, Yu-Shiuan Lai
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Publication number: 20140051188Abstract: A method for obtaining the binding kinetic rate constants using fiber optic particle plasmon resonance (FOPPR) sensor, suitable for a test solution with two or more concentrations, which employs the following major steps: providing one FOPPR sensor instrument system, obtaining optical time-resolved signal intensities starting at the initial time to the steady state of the two or more regions, substituting the measured signal intensity values into the formula which is derived by using the pseudo-first order rate equation model. In addition, this method measures the temporal signal intensity evolution under static conditions as the samples are quickly loaded. As a result, unlike the conventional device where the sample is continuously infused, the method is able to measure the association and dissociation rate constants of which the upper bounds are not limited by the sample flow rate.Type: ApplicationFiled: October 25, 2013Publication date: February 20, 2014Applicant: NATIONAL CHUNG CHENG UNIVERSITYInventors: SHAU-CHUN WANG, LAI-KWAN CHAU, TING-CHOU CHANG, CHAO-CHING WU
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Patent number: 8654186Abstract: A light source system for detecting oral cavity has an illumination module and a filter module. A spectral range of light is illuminated from the illumination module and filtered through the filter module. When light of such spectral range is irradiated onto a diagnostic area, high chromatic difference and contrast existing between areas with pathological change and normal areas is employed to enhance correctness of diagnoses and operations.Type: GrantFiled: February 17, 2010Date of Patent: February 18, 2014Assignee: National Chung Cheng UniversityInventors: Hsiang-Chen Wang, Fu-Jie Hsu, Zih-Hao Ye, Fang-Hsuan Cheng
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Patent number: 8648582Abstract: The present invention provides a programmable low dropout linear regulator using a reference voltage to convert an input voltage into a regulated voltage according to a control signal. The programmable low dropout linear regulator includes an operational amplifier having a negative input coupled to receive the reference voltage, a first transistor having a gate coupled to an output terminal of the operational amplifier and a first source/drain coupled to an output terminal of the regulated voltage, a first impedance coupled between a positive input of the operational amplifier and the output terminal of the regulated voltage, and a second impedance coupled between the positive input of the operational amplifier and a ground. The second impedance includes a second transistor having a gate coupled to receive the control signal.Type: GrantFiled: December 27, 2010Date of Patent: February 11, 2014Assignee: National Chung Cheng UniversityInventors: Chung-Hsun Huang, Ke-Ming Su
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Patent number: 8647552Abstract: The present invention discloses a method for enhancing hardness of a nanoimprint mold comprising following steps of: providing a male mold, composed of a first material, for imprinting a female mold and producing a nano structural pattern on the female mold, and the female mold composed of a second material, wherein the hardness of the first material is higher than the hardness of the second material; applying a nano-indentation technique to the female mold onto the female mold by a nano-indentation apparatus having a diamond array probe so as to enhance the surface hardness of the female mold; and impressing a substrate by the female mold with the nano structural pattern having the enhanced surface.Type: GrantFiled: October 24, 2011Date of Patent: February 11, 2014Assignee: National Chung Cheng UniversityInventors: Yeau-Ren Jeng, Chung-Ming Tan
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Publication number: 20140021464Abstract: The present invention provides a transistor and method for making the same. The transistor has an yttrium-doped indium oxide transparent conductive thin-film which is so fabricated with the method to reduce the formation of oxygen vacancies, suppress carrier concentration effectively, and decrease maximum defect density and thus suitable to be applied to the transistor.Type: ApplicationFiled: July 17, 2012Publication date: January 23, 2014Applicant: National Chung Cheng UniversityInventors: Chu-Chi Ting, Meng-Kun Tsai, Hsin-Yun Fan
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Publication number: 20140017884Abstract: In the present invention, copper(I) selenide (Cu2-xSe) nanoparticles are fabricated by pyrolysis in an inert atmosphere. Uniformly dispersed Cu2-xSe particles are synthesized by altering Cu/Se ratio, the concentration of Se Precursors (TOP Se), reaction time and temperature. Analysis by inductively coupled plasma atomic emission spectroscopy (ICP-AES) of said Cu2-xSe nanoparticles reveals that the composition of the nanoparticles is Cu 1.95Se, wherein x=0.05. In addition, Cu2-xSe is dissolved in ethanol to deposit thin films by electrophoretical deposition (EPD) in an inert atmosphere, wherein a positive electrode and a negative electrode are employed. The positive electrode is made of stainless steel plate and the negative electrode is made of indium tin oxide on a glass substrate. Investigations on properties and surface morphology thereof in different electrophoretical conditions are carried out. The rate of EPD is found to significantly influence the quality of thin films.Type: ApplicationFiled: July 12, 2012Publication date: January 16, 2014Applicant: National Chung Cheng UniversityInventors: Chu-Chi Ting, Wen-Yuan Lee
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Publication number: 20140014943Abstract: Sol-gel-processed thin-film transistors (TFTs) with amorphours Y—In—Zn—O (YIZO) as an active layer are fabricated with various mole ratios of Y, which indicates that Y3+ could play the role of carrier suppressor in InZnO (IZO) systems and reduce off current of YIZO-TFT and its channel mobility, threshold voltage, subthreshold swing voltage, and on/off ratio.Type: ApplicationFiled: July 16, 2012Publication date: January 16, 2014Applicant: NATIONAL CHUNG CHENG UNIVERSITYInventors: Chu-Chi TING, Hsieh-Ping CHANG
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Patent number: 8628213Abstract: An indoor illuminator for adjusting lighting field includes a casing, two adjusting portions and two illuminating strips. The casing has a top plate and two side plates. Each adjusting portion includes a bottom plate and a base plate. The base plate is mounted on the bottom plate. The two illuminating strips are respectively and correspondingly disposed on the two adjusting portions. Each illuminating strip includes an elongated loading plate and an elongated positioning plate. The loading plate has multiple light emitting diodes mounted on the loading plate. The positioning plate is respectively connected with the loading plate and the base plate of a corresponding adjusting portion to be enclosed as a triangular tube. The loading plate is pivotable relative to the base plate such that a projecting angle of the loading plate is adjustable and the lighting field is adjustable.Type: GrantFiled: December 21, 2011Date of Patent: January 14, 2014Assignee: National Chung Cheng UniversityInventors: Hsiang-Chen Wang, Jung-Ming Yeh