Patents by Inventor Chia-Hung Chou
Chia-Hung Chou 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: 9677954Abstract: An instant response pressure sensor is disclosed. An embodiment shows no continuous gap is configured between a piezoresistor and neighboring element(s) in thickness direction. The instant response pressure sensor is able to respond immediately to an extremely small pressure applied thereupon in the early stage with an extremely small distance movement because the instant response pressure sensor without having an extra press journey to move before trigging.Type: GrantFiled: August 22, 2014Date of Patent: June 13, 2017Assignee: UNEO INC.Inventors: Chia-Hung Chou, Chih-Sheng Hou
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Patent number: 9679713Abstract: A key switch is disclosed. The key switch includes an axis, a pressure sensor layer, an axis component, and a key cap. The axis support includes a first opening. The pressure sensor layer is made of a pressure-sensitive electronic material and disposed on an upper surface of the axis support. The axis component is disposed in the first opening and vertically movable with respect to the axis support and the pressure sensor layer. The keycap is mounted on the axis component and includes a lower surface facing the upper surface of the axis support. When the keycap is depressed, the lower surface of the keycap depresses the pressure sensor layer and an electronic property of the pressure sensor layer varies. An analog pressure detection system including the key switch is also disclosed.Type: GrantFiled: May 26, 2015Date of Patent: June 13, 2017Assignee: Uneo IncorporatedInventors: Chih-Sheng Hou, Cheng-Yen Tsai, Chia-Hung Chou
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Publication number: 20170068383Abstract: A force sensing structure and a force sensing device including the same are provided. The force sensing structure is configured to detect a proximity of an object to the force sensor from an upside and a force applied by the object to the force touch sensor. The force sensing structure includes a first electrode and a first capacitance material layer. The first capacitance material layer is disposed adjacent to the first electrode. When the object approaches the force touch sensor, the force touch sensor is configured to detect the proximity of the object according to a first capacitance variation, and when the object contacts the force sensor and deforms of the first capacitance material layer, the force touch sensor is configured to detect the force applied by the object according to a second capacitance variation.Type: ApplicationFiled: September 6, 2016Publication date: March 9, 2017Inventors: Yann-Cherng CHERN, Han-Ying LEI, Chih-Sheng HOU, Chia-Hung CHOU
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Publication number: 20160366507Abstract: A green headphone is disclosed. A force sensor is configured between a speaker cover and a cushion of the headphone. The headphone switches on automatically to play audio when a user puts the headphone on his head. The headphone switches off automatically to stop playing audio when a user puts the headphone off his head, the power consumption is saved.Type: ApplicationFiled: June 15, 2015Publication date: December 15, 2016Inventors: Chih-Sheng HOU, Cheng-Tsung CHEN, Chia-Hung CHOU
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Publication number: 20160351357Abstract: A key switch is disclosed. The key switch includes an axis, a pressure sensor layer, an axis component, and a key cap. The axis support includes a first opening. The pressure sensor layer is made of a pressure-sensitive electronic material and disposed on an upper surface of the axis support. The axis component is disposed in the first opening and vertically movable with respect to the axis support and the pressure sensor layer. The keycap is mounted on the axis component and includes a lower surface facing the upper surface of the axis support. When the keycap is depressed, the lower surface of the keycap depresses the pressure sensor layer and an electronic property of the pressure sensor layer varies. An analog pressure detection system including the key switch is also disclosed.Type: ApplicationFiled: May 26, 2015Publication date: December 1, 2016Inventors: CHIH-SHENG HOU, CHENG-YEN TSAI, CHIA-HUNG CHOU
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Publication number: 20160313839Abstract: A force sensing module is disclosed. One of the embodiments disclosed a first force sensor, and a second force sensor stacked on a top surface of the first force sensor; a signal processing circuit electrically coupled to the first signal force sensor and the second force sensor; when a force is applied on a top surface of the stack, a corresponding force signal is generated; wherein a strength of the force signal is related to an amount of the force applied against the stack.Type: ApplicationFiled: April 22, 2015Publication date: October 27, 2016Inventors: Chih-Sheng HOU, Chia-Hung CHOU
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Publication number: 20160225568Abstract: An embedded button without having gap is disclosed according to the present invention. The button area just bends to operate instead of moving back and forth to operate within a through hole so that no water, vapor, or dust shall enter into the device. One of the embodiment comprises an inner bump configured on an inner side of an outer frame; a pressure switch is configured under the inner bump and touches the bottom surface of the bump; and an activating electrical signal is triggered when the button area is pressed by user with a force exceeding a threshold force level from outside surface of the outer frame of the electronic device.Type: ApplicationFiled: February 2, 2015Publication date: August 4, 2016Inventors: Cheng-Tsung CHEN, Hsin-Lin YU, Chih-Sheng HOU, Chia-Hung CHOU
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Publication number: 20160147318Abstract: A flexible circuit board based force sensor is disclosed. A flexible circuit having a first metal pad and a second metal pad, the flexible circuit board is folded so that the first metal pad functioning as a top metal pad and the bottom metal pad functioning as a bottom metal pad. A force sensing material is configured in between the top metal pad and the bottom metal pad to form a force sensor. An electronic drawing system adopts the flexible circuit board based force sensor in an electronic pen for sensing pressures applied against the pen tip of the electronic pen.Type: ApplicationFiled: November 21, 2014Publication date: May 26, 2016Inventors: Chia-Hung CHOU, Chih-Sheng HOU
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Patent number: 9335840Abstract: A flexible circuit board based force sensor is disclosed. A flexible circuit having a first metal pad and a second metal pad, the flexible circuit board is folded so that the first metal pad functioning as a top metal pad and the bottom metal pad functioning as a bottom metal pad. A force sensing material is configured in between the top metal pad and the bottom metal pad to form a force sensor. An electronic drawing system adopts the flexible circuit board based force sensor in an electronic pen for sensing pressures applied against the pen tip of the electronic pen.Type: GrantFiled: November 21, 2014Date of Patent: May 10, 2016Assignee: UNEO INC.Inventors: Chia-Hung Chou, Chih-Sheng Hou
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Publication number: 20160054184Abstract: An instant response pressure sensor is disclosed. An embodiment shows no continuous gap is configured between a piezoresistor and neighboring element(s) in thickness direction. The instant response pressure sensor is able to respond immediately to an extremely small pressure applied thereupon in the early stage with an extremely small distance movement because the instant response pressure sensor without having an extra press journey to move before trigging.Type: ApplicationFiled: August 22, 2014Publication date: February 25, 2016Inventors: Chia-Hung CHOU, Chih-Sheng HOU
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Patent number: 9070499Abstract: A light emitting key is disclosed. A through hole is made through piezoresistive layer; a light source is arranged under the bottom of the light emitting key. When the light source is turned on, light beams shall emit out of the top substrate. The light emitting effect of the key facilitates it to be used in a dark area such as an aircraft flying in the night sky.Type: GrantFiled: May 14, 2013Date of Patent: June 30, 2015Assignee: UNIVERSAL CEMENT CORPORATIONInventors: Chih-Sheng Hou, Chia-Hung Chou, Yann-Cherng Chern
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Publication number: 20140340189Abstract: A light emitting key is disclosed. A through hole is made through piezoresistive layer; a light source is arranged under the bottom of the light emitting key. When the light source is turned on, light beams shall emit out of the top substrate. The light emitting effect of the key facilitates it to be used in a dark area such as an aircraft flying in the night sky.Type: ApplicationFiled: May 14, 2013Publication date: November 20, 2014Applicant: UNIVERSAL CEMENT CORPORATIONInventors: Chih-Sheng HOU, Chia-Hung CHOU, Yann-Cherng CHERN
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Patent number: 8766125Abstract: A D/A integrated pressure key for a keyboard is shown. A digital signal output first when a pressure is applied on the single key, and then an analog signal output while applying a bigger pressure over the same key. The magnitude of the analog signal output is positively related to the magnitude of the pressure applied on the integrated pressure key.Type: GrantFiled: November 9, 2012Date of Patent: July 1, 2014Assignee: Universal Cement CorporationInventors: Chia-Hung Chou, Chih-Sheng Hou
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Publication number: 20140131186Abstract: A D/A integrated pressure key for a keyboard is disclosed. A digital signal output first when a pressure is applied on the single key, and then an analog signal output while applying a bigger pressure over the same key. The magnitude of the analog signal output is positively related to the magnitude of the pressure applied on the integrated pressure key.Type: ApplicationFiled: November 9, 2012Publication date: May 15, 2014Applicant: UNIVERSAL CEMENT CORPORATIONInventors: Chia-Hung CHOU, Chih-Sheng HOU
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Patent number: 8371174Abstract: A micro-deformable piezoresistive material is provided, including a hard plastic body, a micro-deformable rough texture surface, and a plurality of conductive particles. The micro-deformable rough texture surface is formed on a side of the hard plastic body, wherein the maximum deformation of the rough texture surface is far less than the thickness of the hard plastic body. Additionally, the conductive particles are evenly dispersed in the plastic body.Type: GrantFiled: December 31, 2009Date of Patent: February 12, 2013Assignee: Universal Cement CorporationInventors: Yi-Ling Chen, Chih Sheng Hou, Chia-Hung Chou
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Patent number: 8322224Abstract: A pressure guiding bump is configured on the center of a pressure gauge to obtain a single “conductivity--pressure” curve feature which is independent from any position wherever a pressure is applied on the guiding bump. When a pressure is applied, the guiding bump guides the pressure against a fixed deformable area to be deformed, whatever the pressure is, the deformed area is nearly a same area. The pressure gauge is extraordinarily adequate to be designed in a weighing machine with parallel connection in between them.Type: GrantFiled: June 24, 2010Date of Patent: December 4, 2012Assignees: Universal Cement Corporation, Industrial Technology Research InstituteInventors: Chih-Sheng Hou, Chia-Hung Chou
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Patent number: 8210994Abstract: A pressure sensor is provided, wherein a ballast resistive layer is integrated in the pressure sensor so that the resistive output curve for the pressure sensor has saturation characteristics. The pressure sensor shall be prevented from breaking down by a large current that may be caused, when an overload pressure is applied on the pressure sensor, if no ballast resistive layer is added.Type: GrantFiled: December 31, 2009Date of Patent: July 3, 2012Assignee: Universal Cement CorporationInventors: Chia-Chieh Chang, Chih Sheng Hou, Chia-Hung Chou
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Publication number: 20110314923Abstract: A pressure guiding bump is configured on the center of a pressure gauge to obtain a single “conductivity-pressure” curve feature which is independent from any position wherever a pressure is applied on the guiding bump. When a pressure is applied, the guiding bump guides the pressure against a fixed deformable area to be deformed, whatever the pressure is, the deformed area is nearly a same area. The pressure gauge is extraordinarily adequate to be designed in a weighing machine with parallel connection in between them.Type: ApplicationFiled: June 24, 2010Publication date: December 29, 2011Applicants: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE, UNIVERSAL CEMENT CORPORATIONInventors: Chih-Sheng HOU, Chia-Hung CHOU
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Patent number: 8003344Abstract: The present invention provides a microbial hydrogen-producing process, comprising: providing at least one Clostridium microbe and at least one Bacillus microbe; and co-culturing said at least one Clostridium microbe and said at least one Bacillus microbe in a fermentation culture system to produce hydrogen. The present invention also provides a microbial hydrogen-producing system, characterized by that the system comprises at least one Clostridium microbe and at least one Bacillus microbe, and it uses an organic waste medium as the substrate to perform a hydrogen-producing fermentation having high efficiency, high stability, and high reproducibility.Type: GrantFiled: February 1, 2008Date of Patent: August 23, 2011Assignee: National Chung Hsing UniversityInventors: Chieh-Chen Huang, Jui-Jen Chang, Cheng-Yu Ho, Wei-En Chen, Jiunn-Jyi Lay, Chia-Hung Chou, Chang-Lung Han
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Patent number: 7988146Abstract: A media fixing device includes a stationary plate, a bar linking member, a main pressure plate, an elastic member, an auxiliary plate and a pivot rod. The bar linking member is configured for movably connecting the main pressure plate. The elastic member is configured for movably connecting the main pressure plate to the stationary plate. The pivot rod is configured for pivoting the auxiliary plate on the main pressure plate.Type: GrantFiled: April 15, 2009Date of Patent: August 2, 2011Assignee: Hon Hai Precision Industry Co., Ltd.Inventor: Chia-Hung Chou