Patents by Inventor Long Fu
Long Fu 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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Publication number: 20250167686Abstract: A driving circuit for driving an electronic element is provided. The drive circuit includes an inductive coupling circuit, a primary side circuit and a secondary side circuit. The inductive coupling circuit includes a primary winding and a secondary winding. The primary side circuit is electrically connected to an input voltage source, the primary winding and a first terminal of the electronic element. The secondary side circuit is electrically connected to the secondary winding, the primary side circuit and a second terminal of the electronic element. The driving circuit uses an electric energy stored in the primary side circuit and an electric energy stored in the secondary side circuit to drive the electronic element.Type: ApplicationFiled: January 22, 2024Publication date: May 22, 2025Applicant: I-SHOU UNIVERSITYInventors: Chun-An Cheng, Wen-Yi Yan, Long-Fu Lan, Cheng-Kuan Lin, Sheng-Hong Hou
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Publication number: 20240139847Abstract: A brazing joint, a brazing method, and a device for promoting solder rheology and gas overflow are provided. The brazing joint includes a first base metal, a second base metal, and a brazing seam located therebetween. The brazing seam is formed by filling a solder in a gap formed by welding surfaces of the first and the second base metal and melting it to connect the first and the second base metal. The brazing seam is a concave-shaped brazing seam. The gap defines a first distance and a second distance, the first distance is located at an edge of the gap, the second distance is located at the edge or an inside of the gap, the first distance is greater than the second distance, and a curved surface is formed between the location of the first distance and the location of the second distance for transition.Type: ApplicationFiled: December 9, 2022Publication date: May 2, 2024Applicants: CHINA ACADEMY OF MACHINERY NINGBO ACADEMY OF INTELLIGENT MACHINE TOOL CO., LTD., ZHENGZHOU RESEARCH INSTITUTE OF MECHANICAL ENGINEERING CO., LTD.Inventors: Weimin LONG, Xiaoguo SONG, Sujuan ZHONG, Lianhui JIA, Limei JIN, Yucan FU, Yongqiang WEI, Yuchang WANG, Guoqin HUANG, Lei ZHANG, Long FU
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Publication number: 20230334897Abstract: A biometrics sensor includes: a digital light-emitting module including a first region and a second region, wherein the first region outputs incident light; and a sensing module disposed below the digital light-emitting module, wherein in a first mode, the second region does not output light having a wavelength the same as a wavelength of the incident light, so that the digital light-emitting module provides a defective optical field to irradiate an object disposed above the digital light-emitting module, and light generated by the object responsive to the defective optical field is received by the sensing module.Type: ApplicationFiled: August 2, 2021Publication date: October 19, 2023Inventors: BRUCE C. S. CHOU, KUAN-YI LIN, TONG-LONG FU
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Publication number: 20230260315Abstract: Provided is a fingerprint sensing system disposed under a display. The fingerprint sensing system includes a sensor and a controller. The sensor has a plurality of sensing pixels arranged into an array, and the sensing pixels includes at least one functional sensing pixel. The controller is electrically connected to the sensor. The controller calculates an environmental parameter according to a signal obtained by the at least one functional sensing pixel.Type: ApplicationFiled: October 19, 2020Publication date: August 17, 2023Applicant: Egis Technology Inc.Inventors: Tong-Long Fu, Wei Jung Wang
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Publication number: 20220327668Abstract: The present invention relates to a fingerprint sensing module suitable for being configured below a display module, and comprising a plurality of sensing elements and a signal processor. The display module projects a background beam and a marking beam to a finger pressed onto the display module. The plurality of sensing elements sense a fingerprint image generated after the background beam and the marking beam are reflected by the finger and pass through the display module. The signal processor is electrically connected to the plurality of sensing elements, and converts the fingerprint image into a corrected fingerprint image by using a corrected image. The present invention also relates to a fingerprint sensing method.Type: ApplicationFiled: February 27, 2020Publication date: October 13, 2022Applicant: Egis Technology Inc.Inventors: Kuan-Yi Lin, Tong-Long Fu
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Publication number: 20220254185Abstract: A fingerprint sensing device and an operation method thereof are provided. The fingerprint sensing device includes a sensing pixel array and a processing circuit. The sensing pixel array senses a finger during a fingerprint sensing period to obtain a fingerprint sensing signal. At least one pixel area of the sensing pixel array further continuously senses the finger during the fingerprint sensing period to obtain a physiological characteristic signal. The processing circuit is coupled to the sensing pixel array. The processing circuit generates a fingerprint image according to the fingerprint sensing signal, and generates physiological characteristic information according to the physiological characteristic signal.Type: ApplicationFiled: January 20, 2022Publication date: August 11, 2022Applicant: Egis Technology Inc.Inventors: Bruce C. S. Chou, Tong-Long Fu
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Publication number: 20220245960Abstract: The present invention provides an electronic device, used for sensing a fingerprint image of a finger and comprising a display module, a sensing module, and a controller. The display module comprises a plurality of light emitting pixels arranged in an array, has a fingerprint sensing region, and is configured to provide an irradiation beam to the finger. The sensing module is disposed below the fingerprint sensing region and is configured to receive the irradiation beam reaching the sensing module after being reflected by the finger, so as to generate the fingerprint image. The controller is electrically connected to the display module to control light emission of the display module, wherein the controller calculates a distribution curve of light intensity with respect to position of a plurality of different colored lights at a specific time to control light emission of each light emitting pixel of the display module.Type: ApplicationFiled: February 18, 2020Publication date: August 4, 2022Applicant: Egis Technology Inc.Inventors: Kuan-Yi Lin, Tong-Long Fu, Chun-Ching Tseng
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Patent number: 11398111Abstract: An integrated spectrum sensing device for real-finger judgement includes a fingerprint sensing array, an optical unit and a signal processing unit. The fingerprint sensing array optically coupled to the optical unit includes multiple spectrum detecting units receiving light from a finger through the optical unit to detect spectrum distributions or variations outputted from the finger to obtain multiple sets of heterogeneous spectrum data. The signal processing unit electrically coupled to the spectrum detecting units performs measurement domain analysis according to the sets of heterogeneous spectrum data to judge whether the finger is real. A sensing method is also disclosed.Type: GrantFiled: January 5, 2021Date of Patent: July 26, 2022Assignee: EGIS TECHNOLOGY INC.Inventors: Bruce C. S. Chou, Tong-Long Fu
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Publication number: 20220017042Abstract: Provided are a method, an apparatus and a device for activating a vehicle. The method includes: acquiring at least one set of operations for a password input key of the vehicle; acquiring an activation password of the vehicle according to the at least one set of operations; and activating the vehicle according to the activation password; wherein the activation password includes at least one character, and each character of the at least one character is acquired according to the number of operations and/or an operation duration of each set of the at least one set of operations.Type: ApplicationFiled: July 12, 2021Publication date: January 20, 2022Inventors: Shengqiao ZHANG, Jie LUO, Long FU
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Publication number: 20210271851Abstract: An integrated spectrum sensing device for real-finger judgement includes a fingerprint sensing array, an optical unit and a signal processing unit. The fingerprint sensing array optically coupled to the optical unit includes multiple spectrum detecting units receiving light from a finger through the optical unit to detect spectrum distributions or variations outputted from the finger to obtain multiple sets of heterogeneous spectrum data. The signal processing unit electrically coupled to the spectrum detecting units performs measurement domain analysis according to the sets of heterogeneous spectrum data to judge whether the finger is real. A sensing method is also disclosed.Type: ApplicationFiled: January 5, 2021Publication date: September 2, 2021Inventors: Bruce C.S. CHOU, Tong-Long FU
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Publication number: 20210271841Abstract: The present invention relates to an electronic device with a lens supporting element. The electronic device includes a display screen, an intermediate frame, a lens supporting element, an interface structure and a base structure. The intermediate frame has a frame hollow region. A fingerprint sensing unit is installed on the lens supporting element. The fingerprint sensing unit is located near the frame hollow region through the lens supporting element. The interface structure is arranged between the intermediate frame and the lens supporting element, and/or arranged between the lens supporting element and the base frame. Consequently, the lens supporting element is positioned in or clamped between the intermediate frame and the base structure through the interface structure.Type: ApplicationFiled: October 18, 2019Publication date: September 2, 2021Inventors: PIN-YU CHEN, TONG-LONG FU, CHEN-CHIH FAN
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Patent number: 11101390Abstract: A manufacturing method of a sensing module for an optical fingerprint sensor is provided. A plurality of photo detectors are formed in a light sensing layer. The photo detectors are arranged in a sensing array. A plurality of collimators are formed in a light filter layer. The collimators are divided into a plurality of collimator groups corresponding to the photo detectors. The collimator groups are arranged in a collimator group array. The light sensing layer is attached to the light filter layer so that the light filter layer is disposed on the light sensing layer and the collimator group array of the light filter layer is aligned with the sensing array of the light sensing layer. Each of the collimator groups corresponds to one of the photo detectors, and aligned with and disposed above the corresponding photo detector. Each of the collimator groups comprises the same number of collimators arranged in a specific pattern.Type: GrantFiled: April 28, 2020Date of Patent: August 24, 2021Assignee: EGIS TECHNOLOGY INC.Inventors: Yu-Hsiang Huang, Tong-Long Fu, Chen-Chih Fan
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Patent number: 11100891Abstract: An electronic device using an under-display fingerprint identification technology and a waking method of the electronic device are provided. The electronic device includes a display panel, a central processing unit and a fingerprint sensing module. The electronic device executes an operating system. When the central processing unit and the operating system are in a power-saving mode, the fingerprint sensing module enters a default operation mode and the display panel enters an always-on display mode. Then, the fingerprint sensing module senses a specified region of the display panel to acquire a first image. If the content of the first image contains an image of a finger, the fingerprint sensing module issues an interrupt signal to the central processing unit. Consequently, the central processing unit is woken up from the power-saving mode and the operating system is woken up.Type: GrantFiled: October 15, 2019Date of Patent: August 24, 2021Assignee: Egis Technology Inc.Inventors: Tong-Long Fu, Chen-Chih Fan, Chun-Ching Tseng, Wei-Jung Wang, Chun-Feng Kao, Yung-Fu Chen
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Patent number: 11074243Abstract: The disclosed embodiments include a system for processing data. During operation, the system obtains, for a field in a data object, a set of diffs containing default values for the field and a set of mappings representing a set of conditions associated with the data object. Next, the system matches an attribute associated with an instance of the data object to a condition in the set of conditions. The system then uses the mappings to identify, in the set of diffs, a diff to be applied under the condition. Finally, the system updates the field in the instance with a default value associated with the condition by applying the diff to the instance.Type: GrantFiled: March 14, 2018Date of Patent: July 27, 2021Assignee: Microsoft Technology Licensing, LLCInventors: Sirish Kumar Balaga, Xiang Zhang, Kevin Tse-Long Fu, Sriram Panyam
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Publication number: 20210160414Abstract: A display includes: a display panel having display pixels and providing visible light to display information; an optical sensor sensing an object disposed above the display panel; and an infrared (IR) source providing initial IR light penetrating through the display panel to illuminate the object, which generates to-be-sensed IR light penetrating through the display panel and received by the optical sensor, which obtains an image signal, wherein the IR source is disabled in a first period when the display pixels are enabled, and is enabled in a second period of a disable period when the display pixels are disabled. The second period lags behind the first period by a third period. An optical sensing module is also provided.Type: ApplicationFiled: September 8, 2020Publication date: May 27, 2021Inventors: TONG-LONG FU, CHEN-CHIH FAN, WEI JUNG WANG
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Patent number: 10990592Abstract: The disclosed embodiments provide a system for processing a query of profile data. During operation, the system obtains a set of profile fields requested in a query of profile data and one or more profile view settings associated with the query. Next, the system determines, based on the set of profile fields and the profile view setting(s), one or more downstream calls to omit from a set of downstream calls available to generate a result of the query. The system then generates one or more additional downstream calls in the set of downstream calls to resolve a parameter used to generate a result of the query. Finally, the system uses the parameter to generate the result of the query without making the downstream call(s).Type: GrantFiled: October 31, 2017Date of Patent: April 27, 2021Assignee: Microsoft Technology Licensing, LLCInventors: Sirish Kumar Balaga, Jeffrey P. Wehrwein, Christopher Gomes, Kevin Tse-Long Fu, Yanhong Yuan
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Patent number: 10885303Abstract: An optical fingerprint sensing module for sensing a fingerprint pattern of a finger placed on an upper surface of a display panel module is provided, wherein light is generated by the display panel module and reflected by the finger. The optical fingerprint sensing module includes a substrate, an image sensor disposed above the substrate, a collimating layer disposed above the image sensor, a light permeable layer disposed above the collimating layer, and a pinhole layer disposed above the light permeable layer. The collimating layer has a plurality of collimating holes, and the pinhole layer has a plurality of pinholes, wherein the number of collimating holes is greater than the number of pinholes. Light is reflected by the finger and then sequentially propagates through the pinholes, the light permeable layer, and the collimating holes to reach the image sensor.Type: GrantFiled: July 11, 2019Date of Patent: January 5, 2021Assignee: EGIS TECHNOLOGY INC.Inventors: Chen-Chih Fan, Tong-Long Fu, Yu-Hsiang Huang
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Patent number: 10810095Abstract: Techniques and systems for performing a network activity within a network. The technique includes assigning one or a plurality of network devices subnets with network devices for performing network activities. Network devices within the assigned network device subnets can be assigned to act as a primary network device and a backup network device. The primary network device can perform the network activity. The backup network devices can monitor the primary network device and continue performing the network activities if the primary network device fails or is rogue.Type: GrantFiled: January 31, 2018Date of Patent: October 20, 2020Assignee: Extreme Networks, Inc.Inventors: Long Fu, Dalun Bao, Weimin Du, Jie Zhang
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Patent number: 10810399Abstract: An optical fingerprint sensing module for sensing a fingerprint pattern of a finger is provided, wherein the finger is placed on a display panel module, and light is generated by the display panel module and reflected by the finger. The optical fingerprint sensing module includes a circuit board, an image sensor on the circuit board, a frame on the circuit board, a lens embedded in the frame, and an IR filter disposed above the image sensor. The image sensor is located in the frame, and the frame includes anti-infrared material. The lens corresponds to a sensing area of the display panel module. Light emitted from the display panel module is reflected by the finger located in the sensing area and then sequentially propagates through the lens and the IR filter to reach the image sensor.Type: GrantFiled: July 8, 2019Date of Patent: October 20, 2020Assignee: EGIS TECHNOLOGY INC.Inventors: Chen-Chih Fan, Tong-Long Fu
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Publication number: 20200259024Abstract: A manufacturing method of a sensing module for an optical fingerprint sensor is provided. A plurality of photo detectors are formed in a light sensing layer. The photo detectors are arranged in a sensing array. A plurality of collimators are formed in a light filter layer. The collimators are divided into a plurality of collimator groups corresponding to the photo detectors. The collimator groups are arranged in a collimator group array. The light sensing layer is attached to the light filter layer so that the light filter layer is disposed on the light sensing layer and the collimator group array of the light filter layer is aligned with the sensing array of the light sensing layer. Each of the collimator groups corresponds to one of the photo detectors, and aligned with and disposed above the corresponding photo detector. Each of the collimator groups comprises the same number of collimators arranged in a specific pattern.Type: ApplicationFiled: April 28, 2020Publication date: August 13, 2020Inventors: Yu-Hsiang HUANG, Tong-Long FU, Chen-Chih FAN