Patents by Inventor Chih-An Liao

Chih-An Liao 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).

  • Patent number: 10451723
    Abstract: The invention discloses a signal processing apparatus of a CW-radar sensing system, comprising of a transmitting unit, a transmitting antenna and a receiving device. The transmitting unit produces a first frequency conversion signal and a second frequency conversion signal which are transmitted by the transmitting antenna serially and alternatively. A receiving antenna respectively receives the echo signal of the first frequency conversion signal and the second frequency conversion signal, and a mixing-LPF (lowpass filtering) module mixes the echo signal with a first frequency conversion signal and a second frequency conversion signal which are produced by a local oscillator and carries out lowpass filtering for the signals as to obtain a beat frequency signal of the above signals.
    Type: Grant
    Filed: December 20, 2016
    Date of Patent: October 22, 2019
    Inventors: Jung-Min Chiu, Lih-Jye Tzou, Wen-Chih Liao
  • Publication number: 20190195500
    Abstract: A kiln including a stove and a heat source wherein the stove includes a cavity, an entry, and an air outlet. The cavity includes a front section communicating with the entry, a rear section disposed away from the entry, and a middle section disposed between the front section and the rear section. A top wall surface of the front section tilts downwardly toward the entry, and a top wall surface of the rear section tilts downwardly from the middle section toward a direction away from the entry. The air outlet is located between a top of the front section and the entry. The heat source is disposed in the rear section and includes a heating assembly for generating heat. The heating assembly is located at a position higher than a half of a distance between a top and a bottom of the middle section of the cavity.
    Type: Application
    Filed: September 4, 2018
    Publication date: June 27, 2019
    Applicants: NATIONAL CHUNG-SHAN INSTITUTE OF SCIENCE & TECHNOLOGY, TEN WING SCIENTIFIC CO., LTD.
    Inventors: HSI-MING TSENG, LI-CHIH LIAO
  • Publication number: 20190195501
    Abstract: A kiln including a stove, a housing, an exhaust pipe and a heat source is disclosed. The stove includes a cavity, an entry, and an air outlet. The housing includes a cover and a front plate and disposed outside of the stove, wherein the front plate is joined to a front end of the cover and disposed at a front side of the stove; the front plate and the stove are spaced apart with a gap. The exhaust pipe passes through the cover and communicates with the air outlet and an exterior of the cover. The heat source is adapted to heat the cavity. With the gap between the front plate and the stove, a thermal insulation effect capable of protecting a user from being burned is provided.
    Type: Application
    Filed: September 4, 2018
    Publication date: June 27, 2019
    Applicants: NATIONAL CHUNG-SHAN INSTITUTE OF SCIENCE & TECHNOLOGY, TEN WING SCIENTIFIC CO., LTD.
    Inventors: HSI-MING TSENG, LI-CHIH LIAO
  • Publication number: 20190195561
    Abstract: A thermal insulation structure is disposed at an exterior of a chamber of a heating device. The thermal insulation structure includes a heat conduction layer, a heat storage layer and a reflection layer. The heat conduction layer is adapted to conduct heat from the chamber to the heat storage layer. The heat storage layer is adapted to store heat. The reflection layer is adapted to reflect radiation heat back to the chamber, whereby a temperature of the chamber could be kept at a constant so as to reduce heat dissipation of the chamber.
    Type: Application
    Filed: September 4, 2018
    Publication date: June 27, 2019
    Applicants: NATIONAL CHUNG-SHAN INSTITUTE OF SCIENCE & TECHNOLOGY, TEN WING SCIENTIFIC CO., LTD.
    Inventors: HSI-MING TSENG, Li-Chih Liao
  • Publication number: 20190195506
    Abstract: A kiln including a stove, a combustion device, a thermometer, a flow rate regulation device, and a control device wherein the stove includes a cavity and an entry. The combustion device is disposed in the stove and includes at least one burner and an infrared ray generation assembly. The thermometer is disposed in the cavity to detect a temperature inside of the cavity. The flow rate regulation device communicates with the at least one burner and is controlled to adjust a gas flow output to the at least one burner. The control device controls the output gas flow via the flow rate regulation device based on a setting temperature and the temperature detected by the thermometer so as to keep the temperature in the cavity at a constant temperature whereby it is conducive to obtaining a good heating efficiency and a constant-temperature heating.
    Type: Application
    Filed: September 4, 2018
    Publication date: June 27, 2019
    Applicants: NATIONAL CHUNG-SHAN INSTITUTE OF SCIENCE & TECHNOLOGY, TEN WING SCIENTIFIC CO., LTD.
    Inventors: HSI-MING TSENG, LI-CHIH LIAO
  • Publication number: 20190195503
    Abstract: A stove includes a stage, a stove, a housing, and an exhaust pipe is disclosed. Wherein, the stove is disposed on the stage and includes a chamber made of metal and a thermal insulation structure. The chamber includes a cavity, an entry, and an air outlet. The thermal insulation structure covers an exterior of the chamber. The housing is disposed outside of the stove and joined to the stage. An isolation space is formed between the housing and the stove. The exhaust pipe passes through the housing and communicates with the air outlet and the exterior of the housing. The heat source is adapted to heat the cavity. Whereby, a compact size kiln is realized.
    Type: Application
    Filed: September 4, 2018
    Publication date: June 27, 2019
    Applicants: NATIONAL CHUNG-SHAN INSTITUTE OF SCIENCE & TECHNOLOGY, TEN WING SCIENTIFIC CO., LTD.
    Inventors: Hsi-Ming Tseng, Li-Chih Liao
  • Publication number: 20190195504
    Abstract: A combustion device includes at least one burner, a supporting assembly, and an infrared ray generation assembly. The at least one burner includes a flame outlet and is adapted to burn gas. The supporting assembly includes a cover plate which has an opening and a plurality of holes, wherein the opening is corresponding to the flame outlet. The infrared ray generation assembly is disposed on the supporting assembly. The infrared ray generation assembly includes an infrared ray generation mesh which includes an emission surface which is adapted to emit infrared ray and corresponding to the plurality of holes. The heating efficiency of the combustion device can be effectively increased by generating an open fire and infrared rays as well as uniform heating.
    Type: Application
    Filed: September 4, 2018
    Publication date: June 27, 2019
    Applicants: NATIONAL CHUNG-SHAN INSTITUTE OF SCIENCE & TECHNOLOGY, TEN WING SCIENTIFIC CO., LTD.
    Inventors: HSI-MING TSENG, LI-CHIH LIAO
  • Publication number: 20190195502
    Abstract: A kiln includes a stove, a combustion device, and an exhaust pipe, wherein the stove includes a cavity, an entry, and an air outlet. The cavity includes a front section and a rear section, and a top wall surface of the front section is tilt. The air outlet is disposed between a top of the front section of the cavity and the entry. The combustion device is disposed in the rear section. The combustion device includes at least one burner, a supporting assembly, and an infrared ray generation assembly. The supporting assembly includes a cover plate having a hollow portion. The infrared ray generation assembly is mounted to the supporting assembly and located above the cover plate. The infrared ray generation assembly could be heated by the flames of the burner to generate infrared ray which passes through the hollow portion. The exhaust pipe communicates with the air outlet.
    Type: Application
    Filed: September 4, 2018
    Publication date: June 27, 2019
    Applicants: NATIONAL CHUNG-SHAN INSTITUTE OF SCIENCE & TECHNOLOGY, TEN WING SCIENTIFIC CO., LTD.
    Inventors: HSI-MING TSENG, LI-CHIH LIAO
  • Publication number: 20190195560
    Abstract: A kiln including a stove and a heat source wherein the stove includes a chamber, an air guide structure, an exhaust pipe and a heat storage member. The chamber includes a cavity, an entry, and an air outlet. The air outlet is located between a top of the front section of the cavity and the entry. The air guide structure communicates with the air outlet and includes a guide plate. The exhaust pipe is disposed above the guide plate, and an exhaust channel is formed by the guide plate of the air guide structure and the exhaust pipe. The heat storage member covers an exterior of the cavity which is corresponding to the top of the front section of the cavity, and contacts the air guide structure. The heat source is disposed in the stove and adapted to heat the cavity.
    Type: Application
    Filed: September 4, 2018
    Publication date: June 27, 2019
    Applicants: NATIONAL CHUNG-SHAN INSTITUTE OF SCIENCE & TECHNOLOGY, TEN WING SCIENTIFIC CO., LTD.
    Inventors: Hsi-Ming Tseng, LI-CHIH LIAO
  • Publication number: 20190196444
    Abstract: A tool machine servo control simulation device and an establishing method of structure model are provided. The tool machine servo control simulation device includes a structure model and a processor. The structure model includes a position function, a velocity function and a drive property parameter. The processor includes a control signal receiver and a simulation component. The control signal receiver is used for receiving a servo command. The simulation component, response to the servo command, generates a simulation path according to the position function, the velocity function and the drive property parameter.
    Type: Application
    Filed: December 22, 2017
    Publication date: June 27, 2019
    Inventors: Jheng-Jie LIN, Jen-Ji WANG, Kuo-Hua CHOU, Chien-Chih LIAO, Hsiao-Chen HO
  • Publication number: 20190145480
    Abstract: An adjustable damper includes a base, a first and second slidable members, a movable seat, a mass unit, and a first and second cantilevers. The first slidable member is slidably disposed on the base in a first direction. The movable seat is slidably disposed on the base in a second direction orthogonal to the first direction. The second slidable member is slidably disposed on the movable seat in the second direction. The mass unit is slidably disposed on the movable seat in the first direction. The first cantilever is fixed to a first connecting member. The first connecting member is connected to the movable seat. The first slidable member movably is disposed on the first cantilever. The second cantilever is fixed to a second connecting member. The second connecting member is connected to the mass unit. The second slidable member is movably disposed on the second cantilever.
    Type: Application
    Filed: December 21, 2017
    Publication date: May 16, 2019
    Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
    Inventors: Hung-I LU, Chien-Chih LIAO, Jen-Ji WANG, Yun-Chiao CHEN
  • Patent number: 10279523
    Abstract: A microbubble creating method using a forming machine for creating microbubbles by: installed a microbubble generating member in a mold, feed screw or barrel for enabling a perforated tip of the microbubble generating member to be surrounded by the applied fluid polymer so that when a high pressure high temperature gas is delivered through the perforated tip of the microbubble generating member, microbubbles are created with well mixed with the fluid polymer, and the expected foamed polymer product is thus obtained after cooling.
    Type: Grant
    Filed: October 1, 2015
    Date of Patent: May 7, 2019
    Assignee: EVERFOCUS INTERNATIONAL CO., LTD.
    Inventors: Wei-Chih Liao, Cristina Chang
  • Patent number: 10273064
    Abstract: A lid opening structure and a physiological detection device are provided. The lid opening structure is adapted for the physiological detection device and for being mounted on a lid body of a container. The lid body includes a flange portion and a pivot portion. The lid opening structure includes a first cover portion disposed on a side corresponding to the flange portion and having an engaging portion for clamping the flange portion, and a second cover portion disposed on a side corresponding to the pivot portion. When applying a force on the first cover portion along a lid opening direction, the physiological detection device is fixed on the lid body by stopping the force applied along the lid opening direction by the second cover portion, and the lid body of the container is opened. The combined use of the container and the physiological detection device increases the convenience of use.
    Type: Grant
    Filed: November 7, 2016
    Date of Patent: April 30, 2019
    Assignee: TAIDOC TECHNOLOGY CORPORATION
    Inventors: Yi-Hsin Huang, Ying-Chih Liao
  • Patent number: 10239243
    Abstract: A microbubble creating method using a forming machine for creating microbubbles by: installed a microbubble generating member in a mold, feed screw or barrel for enabling a perforated tip of the microbubble generating member to be surrounded by the applied fluid polymer so that when a high pressure high temperature gas is delivered through the perforated tip of the microbubble generating member, microbubbles are created with well mixed with the fluid polymer, and the expected foamed polymer product is thus obtained after cooling.
    Type: Grant
    Filed: June 7, 2018
    Date of Patent: March 26, 2019
    Assignee: Everfocus International Co., Ltd.
    Inventors: Wei-Chih Liao, Cristina Chang
  • Patent number: 10239244
    Abstract: A microbubble creating method using a forming machine for creating microbubbles by: installed a microbubble generating member in a mold, feed screw or barrel for enabling a perforated tip of the microbubble generating member to be surrounded by the applied fluid polymer so that when a high pressure high temperature gas is delivered through the perforated tip of the microbubble generating member, microbubbles are created with well mixed with the fluid polymer, and the expected foamed polymer product is thus obtained after cooling.
    Type: Grant
    Filed: June 7, 2018
    Date of Patent: March 26, 2019
    Assignee: Everfocus International Co., Ltd.
    Inventors: Wei-Chih Liao, Cristina Chang
  • Publication number: 20190074409
    Abstract: A light-emitting element includes a semiconductor light-emitting stack including a first semiconductor layer, a second semiconductor layer formed on the first semiconductor layer, and an active layer formed therebetween; a first conductive layer disposed on the second semiconductor layer and electrically connecting the second semiconductor layer; a second conductive layer disposed on the second semiconductor layer and electrically connecting the first semiconductor layer; and a cushion part disposed on and directly contacts the first conductive layer, wherein in a top view, the cushion part is surrounded by and electrically isolated from the second conductive layer.
    Type: Application
    Filed: November 6, 2018
    Publication date: March 7, 2019
    Inventors: Chao-Hsing Chen, Tsung-Hsun Chiang, Chien-Chih Liao, Wen-Hung Chuang, Min-Yen Tsai, Bo-Jiun Hu
  • Patent number: 10161965
    Abstract: A system and method for aligning a probe, such as a wafer-level test probe, with wafer contacts is disclosed. An exemplary method includes receiving a wafer containing a plurality of alignment contacts and a probe card containing a plurality of probe points at a wafer test system. A historical offset correction is received. Based on the historical offset correct, an orientation value for the probe card relative to the wafer is determined. The probe card is aligned to the wafer using the orientation value in an attempt to bring a first probe point into contact with a first alignment contact. The connectivity of the first probe point and the first alignment contact is evaluated. An electrical test of the wafer is performed utilizing the aligned probe card, and the historical offset correction is updated based on the orientation value.
    Type: Grant
    Filed: March 16, 2015
    Date of Patent: December 25, 2018
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Jui-Long Chen, Chien-Chih Liao, Chin-Hsiang Lin, Hui-yun Chao, Jong-I Mou, Tseng Chin Lo, Ta-Yung Lee
  • Patent number: 10153402
    Abstract: A light-emitting element includes a semiconductor light-emitting stack including a first semiconductor layer, an active layer, and a second semiconductor layer; a first conductive layer disposed on the second semiconductor layer and electrically connecting the second semiconductor layer; a second conductive layer disposed on the second semiconductor layer and electrically connecting the first semiconductor layer; and a cushion part disposed on the semiconductor light-emitting stack; wherein in a top view, the cushion part is disposed in a center region of the light-emitting element.
    Type: Grant
    Filed: August 4, 2017
    Date of Patent: December 11, 2018
    Assignee: EPISTAR CORPORATION
    Inventors: Chao-Hsing Chen, Tsung-Hsun Chiang, Chien-Chih Liao, Wen-Hung Chuang, Min-Yen Tsai, Bo-Jiun Hu
  • Patent number: 10146212
    Abstract: A machine tool feed drive design system is provided, which may include a component database, a detection module, a load condition estimation module and a calculation module. The component database may store the specification data of a plurality of feed drive components. The detection module may detect a plurality of operation signals from a machine tool during a period of time when the machine tool had been executing a machining process to a workpiece. The load condition estimation module may calculate a plurality of actual load conditions according to the operation signals and a device specification parameter of a feed drive of the machine tool. The calculation module may select at least one component combination from the feed drive components according to the actual load conditions and the specification data of the feed drive components to serve as an optimized feed drive specification.
    Type: Grant
    Filed: December 28, 2016
    Date of Patent: December 4, 2018
    Assignee: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
    Inventors: Chia-Pei Wang, Chien-Chih Liao, Hsiao-Chen Ho, Jen-Ji Wang
  • Patent number: 10140416
    Abstract: A process-orientated design method for machine tool structures comprises the steps of: (A) Defining design conditions including initial configurations, cutting requirements and boundary conditions for the machine tool; (B) Calculating cutting ability to generate information realizing a relationship between a maximum cutting depth and a spindle speed of the machine tool based on the initial configurations and the cutting requirements; (C) Performing an optimization to generate a frequency range for optimization based on the information relating the maximum cutting depth and the spindle speed; (D) Performing structural topology optimization to generate an optimized model based on the frequency range for optimization, the initial configurations and boundary conditions; and (E) Determining whether the optimized model fits the constraint condition; if positive, ends the design steps, and otherwise repeats steps (B)˜(D) until an optimized model fits the constraint condition appears.
    Type: Grant
    Filed: December 10, 2015
    Date of Patent: November 27, 2018
    Assignee: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
    Inventors: Chia-Pei Wang, Chien-Chih Liao, Pei-Yin Chen, Hsiao-Chen Ho, Tzuo-Liang Luo