Patents by Inventor Chih-An Wei
Chih-An Wei 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: 8040193Abstract: An oscillation tuning circuit is provided and includes a first circuit. The first circuit receives an input data stream with a known time interval, producing a first output signal having a first period, determines a first error signal representing a difference between the known time interval and a measured duration of the known time interval, determines a reference error signal according to a predetermined multiple of the first period, and adjusts the first period according to the first error signal and the reference error signal, wherein the known time interval is associated with a period between a first occurrence of and a second occurrence of a predetermined bit pattern in the input data stream.Type: GrantFiled: July 18, 2008Date of Patent: October 18, 2011Assignee: Holtek Semiconductor Inc.Inventor: Chih-Wei Yang
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Patent number: 8038346Abstract: An electronic pacifier thermometer is provided. The electronic pacifier thermometer is composed of a pacifier device and a measurement device. The pacifier device has a built-in temperature sensing element (e.g., a temperature sensor) and a connector element. The measurement device contains a display, a circuit board mainly which is controlled by an integrated circuit, and a cable element. The circuit board contains an incomplete temperature measurement circuit that would be made complete through connection to the temperature sensing element. The temperature measurement circuit has a reference resistor (could also be installed inside the pacifier device) whose resistance difference is relative to the temperature sensing element in the pacifier device which is linearly corresponds to the temperature difference between the measured temperature and a pre-determined temperature value.Type: GrantFiled: February 16, 2009Date of Patent: October 18, 2011Assignee: Actherm Inc.Inventor: Chih-Wei Hsieh
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Publication number: 20110248065Abstract: A hammer tacker of the present invention includes a handle, a magazine, a striker, an actuator, a transmission mechanism and an abutting element. The handle is formed with a head at one end thereof and defines a receiving chamber therein. The magazine is disposed in the receiving chamber to receive nailing units. The striker is linear-slidably disposed in the head to strike the nailing units. The actuator is linear-slidably disposed on the head. The transmission mechanism connects the actuator with the striker for the actuator and the striker to move in opposite directions. The abutting element is pivoted on the actuator. And the actuator moves upward as the abutting element hits an object.Type: ApplicationFiled: April 21, 2010Publication date: October 13, 2011Applicant: APEX MFG. CO., LTDInventors: CHIH-WEI HU, Qi-Fu Liao
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Publication number: 20110249377Abstract: A fastening structure for a portable electronic device includes a main housing and a frame. The main housing defines a slot. A protrusion and a block are formed at two opposite sides of the slot. The frame includes a tab. The tab defines a locking hole. The block pushes the tab toward the protrusion to allow the protrusion to be latched in the locking hole for connecting the frame to the main housing.Type: ApplicationFiled: November 1, 2010Publication date: October 13, 2011Applicant: FIH (HONG KONG) LIMITEDInventors: MING-HSIANG WENG, CHIH-WEI CHANG, BHOOPAL PONNUVELU
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Publication number: 20110248066Abstract: A hammer tacker of the present invention includes a shell, a receiving tank, a magazine and a switch. The shell defines an inner chamber, and it includes a handle and a head which has a bottom opening. The receiving tank defines a space and has an opening facing downward, which communicates the bottom opening of the head. The magazine is slidably received in the receiving tank, and the magazine has a bottom surface on which a retaining slot is formed. The switch is pivotably disposed on the bottom of the shell. The switch has a press portion and a retaining portion, from which a retaining protrusion is extended. The retaining protrusion selectively engages with the retaining slot to prohibit the movement of the magazine. When the press portion is pressed, the retaining protrusion disengages from the retaining slot so that the magazine becomes slidable.Type: ApplicationFiled: April 6, 2011Publication date: October 13, 2011Inventors: Chih-Wei HU, Qi-Fu Liao
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Patent number: 8035791Abstract: A display panel includes a first substrate, a second substrate, a sealant, a plurality of spacers, and a display medium layer. The first substrate has a pixel array and a peripheral circuit. The sealant, the spacers, and the display medium layer are disposed between the first and the second substrate. The pixel array is surrounded by the sealant and located on a portion of the peripheral circuit. A multi-layer conductive wiring structure is disposed in the region of the peripheral circuit covered with the sealant. The multi-layer conductive wiring structure includes first and second conductive wirings. The second conductive wirings are connected to the pixel array via the first conductive wirings. An extending direction of the first conductive wirings is substantially different from that of the second conductive wirings. The spacers are distributed at two opposite sides of the sealant and respectively located between two adjacent first conductive wirings.Type: GrantFiled: July 30, 2008Date of Patent: October 11, 2011Assignee: Au Optronics CorporationInventors: Chih-Wei Chu, Ming-Che Hsieh, Chung-Wei Liu, Shih-Yu Wang
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Patent number: 8037130Abstract: A ubiquitous proxy mobile service method and system is disclosed. When a mobile device is near a dissemination medium, group data and individual data transmitted by at least one ubiquitous proxy transmission interface of the dissemination medium are read by a ubiquitous proxy receiving interface of the mobile device. A screen of the mobile device displays an interaction icon corresponding to the ubiquitous proxy according to the group data and the individual data. Uniform resource locator data in the individual data of the ubiquitous proxy corresponding to the interaction icon is read when the interaction icon is activated. A redirect operation is performed according to the uniform resource locator data to obtain a corresponding network service.Type: GrantFiled: June 3, 2009Date of Patent: October 11, 2011Assignee: Industrial Technology Research InstituteInventors: Chih-Wei Chao, Jen-Yau Kuo, Li-Dien Fu, Kuo Shu Luo, Tung-Hung Lu, Min-Hsien Weng, Tsu-Kuang Yang
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Publication number: 20110240578Abstract: An article holder for holding articles in a generally horizontal orientation includes a base, and a pair of side walls spaced apart and opposed to each other and extending upwardly in relation to a respective one of side edges of the base, and a rear wall extending upwardly near a rear edge of the base. A pair of opposed lower rims extend outwardly from near respective lower edges of the side walls, and a leg extend downwardly from each of the lower rims. A pair of upper rims extend outwardly from respective top edges of the side walls, and include slot elements defining a space and adapted to receive the leg of a like article holder when the two holders are in a stacked configuration. In addition, the slot element is adapted such that a portion of the slot element of an upper holder at least partially overlies the slot element of a like underlying article holder when the two holders are in a nested configuration.Type: ApplicationFiled: March 30, 2010Publication date: October 6, 2011Applicant: OFFICEMATE INTERNATIONAL CORPORATIONInventor: Chih-Wei Chuang
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Publication number: 20110241962Abstract: A planar antenna and a handheld device are provided. The handheld device includes the planar antenna and a system ground plane. The planar antenna has a first feed point, a first ground point, a second feed point, and a second ground point. The first ground point and the second ground point are located between the first feed point and the second feed point. The system ground plane is electrically connected to the first feed point, the first ground point, the second feed point, and the second ground point. Thereby, the performance in radio signal transceiving is improved.Type: ApplicationFiled: March 7, 2011Publication date: October 6, 2011Applicant: HTC CORPORATIONInventors: Min-Che Chen, Chia-I Lin, Chih-Wei Hsu
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Publication number: 20110241064Abstract: A LED chip including a substrate, a semiconductor device layer, a current blocking layer, a current spread layer, a first electrode and a second electrode is provided. The semiconductor device layer is disposed on the substrate. The current blocking layer is disposed on a part of the semiconductor device layer and includes a current blocking segment and a current distribution adjusting segment. The current spread layer is disposed on a part of the semiconductor device layer and covers the current blocking layer. The first electrode is disposed on the current spread layer, wherein a part of the current blocking segment is overlapped with the first electrode. Contours of the current blocking segment and the first electrode are similar figures. Contour of the first electrode and is within contour of the current blocking segment. The current distribution adjusting segment is not overlapped with the first electrode.Type: ApplicationFiled: June 14, 2011Publication date: October 6, 2011Applicant: LEXTAR ELECTRONICS CORP.Inventors: Kuo-Lung Fang, Chien-Sen Weng, Chih-Wei Chao
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Patent number: 8031465Abstract: The invention discloses an electronic apparatus comprising a motherboard, a connector, a card member and a first holder. The connector is disposed on the motherboard and the card member is disposed on the connector. The motherboard comprises a first fixing portion and the card member comprises a second fixing portion. The first holder comprises a third fixing portion fixed to the first fixing portion of the motherboard and a fourth fixing portion fixed to the second fixing portion of the card member. Accordingly, once the motherboard or the card member is hit or pulled by an external force, since two ends of the first holder respectively fix the card member and the motherboard, the card member will not be detached from the connector, such that the card member can be connected to the connector well.Type: GrantFiled: June 2, 2009Date of Patent: October 4, 2011Assignee: Asustek Computer Inc.Inventors: Chien-Ying Chen, Chih-Wei Chou
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Publication number: 20110238197Abstract: A method of semiconductor fabrication is provided. The method includes providing a model for a device parameter of a wafer as a function of first and second process parameters. The first and second process parameters correspond to different wafer characteristics, respectively. The method includes deriving target values of the first and second process parameters based on a specified target value of the device parameter. The method includes performing a first fabrication process in response to the target value of the first process parameter. The method includes measuring an actual value of the first process parameter thereafter. The method includes updating the model using the actual value of the first process parameter. The method includes deriving a revised target value of the second process parameter using the updated model. The method includes performing a second fabrication process in response to the revised target value of the second process parameter.Type: ApplicationFiled: March 25, 2010Publication date: September 29, 2011Applicant: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.Inventors: Chih-Wei Hsu, Jin-Ning Sung, Shin-Rung Lu, Jong-I Mou
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Patent number: 8026767Abstract: An adaptive bias circuit which provides a more sensitive adaptive bias current with respect to power level is used for biasing an electronic circuit. The adaptive bias circuit has a first transistor coupled to a power supply, a voltage bias circuit coupled to the first transistor and the power supply biasing the first transistor, and a first power coupling module coupled to the first transistor and the electronic circuit for coupling a portion of input signal power to the first transistor. A second transistor is coupled to the first transistor and the power supply to increase the current gain of the adaptive bias circuit, and a second current coupling module is coupled to the second transistor and the electronic circuit to provide adaptive bias current to the electronic circuit.Type: GrantFiled: August 21, 2009Date of Patent: September 27, 2011Assignee: RichWave Technology Corp.Inventors: Chih-Wei Chen, Chuan-Jane Chao, Shyh-Chyi Wong
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Patent number: 8028213Abstract: A data transformation method for a testing system includes using a reception end for receiving a test signal comprising a test data and a timing information corresponding to the test data, and using a transformation unit for transforming the test data according to the timing information, so as to generate a test pattern utilized for testing a communication device.Type: GrantFiled: May 26, 2008Date of Patent: September 27, 2011Assignee: NOVATEK Microelectronics Corp.Inventors: Chih-Wei Tang, Chien-Yu Wei, Wei-Yi Wei, Jia-Jye Shyu
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Publication number: 20110225695Abstract: A life-saving device has a garment and at least one airbag assembly. The at least one airbag assembly is mounted on the garment and each one of the at least one airbag assembly has a gas cylinder, a gas tube, multiple airbag layers and at least one connecting tube. The gas cylinder is attached to the garment. The gas tube is connected between the gas cylinder and the airbag layers. Each one of the at least one connecting tube is connected between two adjacent airbag layers. A user wearing the life-saving device can actuate the gas cylinder when falling from high altitudes to inflate the airbag layers via the gas tube and the at least one connecting tube. The inflated airbag layers will provide an air resistance to slow down the falling speed. Therefore, the user can safely descend to the ground.Type: ApplicationFiled: March 11, 2011Publication date: September 22, 2011Inventor: Chih-Wei CHENG
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Publication number: 20110227151Abstract: A termination structure is provided for a power transistor. The termination structure includes a semiconductor substrate having an active region and a termination region. The substrate has a first type of conductivity. A termination trench is located in the termination region and extends from a boundary of the active region toward an edge of the semiconductor substrate. A doped region having a second type of conductivity is disposed in the substrate below the termination trench. A MOS gate is formed on a sidewall adjacent the boundary. The doped region extends from below a portion of the MOS gate spaced apart from the boundary toward the edge of the semiconductor substrate. A termination structure oxide layer is formed on the termination trench covering a portion of the MOS gate and extends toward the edge of the substrate.Type: ApplicationFiled: March 16, 2010Publication date: September 22, 2011Applicant: VISHAY GENERAL SEMICONDUCTOR LLCInventors: Chih-Wei HSU, Florin UDREA, Yih-Yin LIN
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Publication number: 20110227152Abstract: A termination structure for a power transistor includes a semiconductor substrate having an active region and a termination region. The substrate has a first type of conductivity. A termination trench is located in the termination region and extends from a boundary of the active region to within a certain distance of an edge of the semiconductor substrate. A doped region has a second type of conductivity disposed in the substrate below the termination trench. A MOS gate is formed on a sidewall adjacent the boundary. The doped region extends from below a portion of the MOS gate spaced apart from the boundary toward a remote sidewall of the termination trench. A termination structure oxide layer is formed on the termination trench and covers a portion of the MOS gate and extends toward the edge of the substrate. A first conductive layer is formed on a backside surface of the semiconductor substrate.Type: ApplicationFiled: October 21, 2010Publication date: September 22, 2011Applicant: VISHAY GENERAL SEMICONDUCTOR LLCInventors: Chih-Wei HSU, Florin UDREA, Yih-Yin LIN
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Publication number: 20110226736Abstract: A method of patterning a metal alloy material layer having hafnium and molybdenum. The method includes forming a patterned mask layer on a metal alloy material layer having hafnium and molybdenum on a substrate. The patterned mask layer is used as a mask and an etching process is performed using an etchant on the metal alloy material layer having hafnium and molybdenum so as to form a metal alloy layer having hafnium and molybdenum. The etchant includes at least nitric acid, hydrofluoric acid and sulfuric acid. The patterned mask layer is removed.Type: ApplicationFiled: May 31, 2011Publication date: September 22, 2011Applicant: NANYA TECHNOLOGY CORPORATIONInventors: Chih-Wei Huang, Chao-Sung Lai, Hsing-Kan Peng, Chung-Yuan Lee, Shian-Jyh Lin
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Patent number: 8021040Abstract: A disposable thermometer probe sheath includes a bottom piece and a plastic cover film sealed onto the bottom piece. The plastic cover film comprising an upper plastic sheet film and a lower plastic sheet film, each of which has a front edge provided with an opening, a rear edge provided with a tip, and a sealed peripheral edge except for the opening, so as to receive a thermometer probe. The plastic cover film is made of a flexible and deformable material, while the plastic cover film is provided with two notches respectively formed on two side edges adjacent to the tip. The upper plastic sheet film is provided with a first flap attached to the opening thereof, while the lower plastic sheet film is provided with a second flap attached to the opening. When the thermometer probe is inserted into the plastic cover film, the notches are tightly engaged with the thermometer probe.Type: GrantFiled: October 25, 2010Date of Patent: September 20, 2011Assignee: Actherm Inc.Inventor: Chih-Wei Hsieh
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Patent number: D646722Type: GrantFiled: February 8, 2011Date of Patent: October 11, 2011Assignee: Officemate International CorporationInventor: Chih-Wei Chuang