Patents by Inventor Chong DU
Chong DU 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: 20240178847Abstract: The present disclosure discloses a media communication apparatus having built-in signal synchronization mechanism. A local clock generation circuit generates a reference clock signal and a media clock signal. A time calibration circuit performs time calibration process with an external apparatus to generate time calibration information to further calibrate the reference clock signal and the media clock signal accordingly to generate a calibrated reference clock signal and a calibrated media clock signal on a standard time domain. A media clock processing circuit generates a sampling signal according to the calibrated media clock signal. A signal processing circuit generates time related information according to the calibrated reference clock signal to process an input media signal according to the time related information and the sampling signal and generate an output media signal.Type: ApplicationFiled: November 16, 2023Publication date: May 30, 2024Inventors: MING-JHE DU, Ming-Hsuan Tsai, Chun-I Yeh, Yu-Chong Yen
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Patent number: 11987937Abstract: A composite embankment structure includes an embankment, an airflow-enhanced embankment ventilation structure, and a heat pipe system. The embankment includes an embankment filler layer, a ventilation slab lower leveling layer, a ventilation slab upper cushion, and a pavement structure layer arranged in sequence from bottom to top. The ventilation slab in the airflow-enhanced embankment ventilation structure is arranged between the ventilation slab lower leveling layer and the ventilation slab upper cushion. The heat pipe system includes a heat pipe, and one end of the heat pipe is inserted into the embankment from an embankment slope and is located under the ventilation slab.Type: GrantFiled: October 27, 2023Date of Patent: May 21, 2024Assignee: NORTHWEST INSTITUTE OF ECO-ENVIRONMENT AND RESOURCES, CHINESE ACADEMY OF SCIENCESInventors: Wansheng Pei, Shuai Du, Mingyi Zhang, Chong Wang
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Publication number: 20240157844Abstract: A dual motor powered compact drive comprises two electrical motors powering the planetary gear mechanism. The dual drive can provide variable speed and torque. A single electric motor operated braking system with a screw-driven wedged brake pads is described using a compact test set-up. The system comprises at least one motor and a screw shaft connected to transmit the power to a sliding plunger, and braking pads located on a braking disc, and a force sensor applied to measure the braking force, and a device to measure the parameters of the braking motor and the parameters are used as the inputs to establish a control strategy. Systems and methods for monitoring a battery pack including multiple cells are provided. The battery management system further comprises a control strategy for implementing a balancing algorithm. A balancing strategy comprises a determination of battery cells to be balanced, and a calculated balancing current.Type: ApplicationFiled: January 20, 2024Publication date: May 16, 2024Applicants: DdaniGo LLC, Coetec Company LimitedInventor: Chong Du Cho
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Patent number: 11912156Abstract: A dual motor powered compact drive comprises two electrical motors powering the planetary gear mechanism. The dual drive can provide variable speed and torque. A single electric motor operated braking system with a screw-driven wedged brake pads is described using a compact test set-up. The system comprises at least one motor and a screw shaft connected to transmit the power to a sliding plunger, and braking pads located on a braking disc, and a force sensor applied to measure the braking force, and a device to measure the parameters of the braking motor and the parameters are used as the inputs to establish a control strategy. Systems and methods for monitoring a battery pack including multiple cells are provided. The battery management system further comprises a control strategy for implementing a balancing algorithm. A balancing strategy comprises a determination of battery cells to be balanced, and a calculated balancing current.Type: GrantFiled: April 28, 2020Date of Patent: February 27, 2024Assignees: DdaniGo LLC, Coetec Company LimitedInventor: Chong Du Cho
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Patent number: 11746784Abstract: The present invention relates to a fluid compressor comprising: a driving module comprising a driving motor embedded in a motor case; and a compression module comprising a rotor, which is rotatably driven by a driving motor and which has a plurality of variable blades radially provided along the outer peripheral surface thereof, a rotor housing for encompassing the rotor, and a cover of the rotor, for closing the rotor housing, wherein the compression modules are stacked and airtight to block contact between fluid passing through the compression module and air outside the compression module, so that the fluid flowing into any one compression module sequentially passes through the remaining compression modules. The rotary shafts provided in each center of the rotors are connected a shaft coupler. The present invention simultaneously achieves a high-efficiency compression ratio and reduces noise caused by the excessive velocity of any compression module.Type: GrantFiled: February 26, 2020Date of Patent: September 5, 2023Inventor: Chong Du Cho
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Publication number: 20230096156Abstract: The present invention relates to an indoor exercise bicycle capable of implementing an uphill mode and a downhill mode through a simple structure. An indoor exercise bicycle having uphill and downhill mode functions according to an embodiment of the present invention comprises: a brake unit that controls a pressing force applied to the circumferential surface of one side of a wheel, by means of forward movement of a brake mounting connected to a lead screw rotating through a motor; and a gear unit that is meshed with the brake unit of the lead screw while being spaced apart therefrom by a predetermined distance, and controls speed with respect to the rotational force of the wheel according to the rotation of the lead screw, wherein the brake unit may be operated in an uphill mode, and the gear unit may be operated in the downhill mode.Type: ApplicationFiled: August 19, 2020Publication date: March 30, 2023Inventor: Chong Du CHO
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Publication number: 20220170463Abstract: The present invention relates to a fluid compressor comprising: a driving module comprising a driving motor embedded in a motor case; and a compression module comprising a rotor, which is rotatably driven by a driving motor and which has a plurality of variable blades radially provided along the outer peripheral surface thereof, a rotor housing for encompassing the rotor, and a cover of the rotor, for closing the rotor housing, wherein the compression modules are stacked and airtight to block contact between fluid passing through the compression module and air outside the compression module, so that the fluid flowing into any one compression module sequentially passes through the remaining compression modules. The rotary shafts provided in each center of the rotors are connected a shaft coupler. The present invention simultaneously achieves a high-efficiency compression ratio and reduces noise caused by the excessive velocity of any compression module.Type: ApplicationFiled: February 26, 2020Publication date: June 2, 2022Inventor: Chong Du CHO
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Publication number: 20210277968Abstract: A dual motor powered compact drive comprises two electrical motors powering the planetary gear mechanism. The dual drive can provide variable speed and torque. A single electric motor operated braking system with a screw-driven wedged brake pads is described using a compact test set-up. The system comprises at least one motor and a screw shaft connected to transmit the power to a sliding plunger, and braking pads located on a braking disc, and a force sensor applied to measure the braking force, and a device to measure the parameters of the braking motor and the parameters are used as the inputs to establish a control strategy. Systems and methods for monitoring a battery pack including multiple cells are provided. The battery management system further comprises a control strategy for implementing a balancing algorithm. A balancing strategy comprises a determination of battery cells to be balanced, and a calculated balancing current.Type: ApplicationFiled: April 28, 2020Publication date: September 9, 2021Applicants: DdaniGo LLC, Coetec Company LimitedInventor: Chong Du Cho
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Publication number: 20210170905Abstract: A dual motor powered compact drive comprises two electrical motors powering the planetary gear mechanism. The dual drive can provide variable speed and torque. A single electric motor operated braking system with a screw-driven wedged brake pads is described using a compact test set-up. The system comprises at least one motor and a screw shaft connected to transmit the power to a sliding plunger, and braking pads located on a braking disc, and a force sensor applied to measure the braking force, and a device to measure the parameters of the braking motor and the parameters are used as the inputs to establish a control strategy. Systems and methods for monitoring a battery pack including multiple cells are provided. The battery management system further comprises a control strategy for implementing a balancing algorithm. A balancing strategy comprises a determination of battery cells to be balanced, and a calculated balancing current.Type: ApplicationFiled: July 14, 2020Publication date: June 10, 2021Applicants: DdaniGo LLC, Coetec Company LimitedInventor: Chong Du Cho
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Patent number: 10133311Abstract: An electronic device is provided. The electronic device includes a mounting surface configured to accept another electronic device, a holder recess provided in the mounting surface and configured to hold the other electronic device at certain angles, and a rotatable clip installed in the mounting surface, and configured to control at least one part of the other electronic device, wherein other electronic device is accommodated at one end by the holder recess, and is accommodated at another end by the rotatable clip, such that the other electronic device is combined with the electronic device.Type: GrantFiled: July 24, 2017Date of Patent: November 20, 2018Assignee: Samsung Electronics Co., Ltd.Inventors: Bo-Hyun Jung, Chong-Du Kim, Yong-Woo Jeon
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Patent number: 9993050Abstract: According to various embodiments, there is provided a wearable electronic device including a main body, at least one strap connected to at least one part of the main body, a buckle installed to an end portion of the strap, and a connection member for connecting the buckle and the strap. Accordingly, hardness and aesthetic feeling can be improved, while improving an assembling capability, reducing a manufacturing cost, and contributing to a slimness of the device.Type: GrantFiled: April 10, 2015Date of Patent: June 12, 2018Assignee: Samsung Electronics Co., Ltd.Inventors: Jin-Hak Lee, Byoung-Uk Yoon, Chong-Du Kim, Youn-Jin Nam, Seung-Kwon Choi
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Patent number: 9832280Abstract: A personal construction method and device are provided, the method includes: obtaining log information of a user; filtering the log information to obtain a key field of the log information; extracting a tag identifier of the key field; obtaining tag information based on the tag identifier and the key field, wherein the tag information comprises the number of times the tag identifier appears within a first predetermined time period; determining a category of interest corresponding to the identifier information based on the tag identifier; and obtaining a user interest degree corresponding to the category of interest based on the tag information.Type: GrantFiled: February 4, 2015Date of Patent: November 28, 2017Assignee: Tencent Technology (Shenzhen) Company LimitedInventors: Wenyu Zhang, Kunqian Hong, Yajuan Song, Chong Du
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Publication number: 20170322599Abstract: An electronic device is provided. The electronic device includes a mounting surface configured to accept another electronic device, a holder recess provided in the mounting surface and configured to hold the other electronic device at certain angles, and a rotatable clip installed in the mounting surface, and configured to control at least one part of the other electronic device, wherein other electronic device is accommodated at one end by the holder recess, and is accommodated at another end by the rotatable clip, such that the other electronic device is combined with the electronic device.Type: ApplicationFiled: July 24, 2017Publication date: November 9, 2017Inventors: Bo-Hyun JUNG, Chong-Du KIM, Yong-Woo JEON
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Patent number: 9715253Abstract: An electronic device is provided. The electronic device includes a mounting surface configured to accept another electronic device, a holder recess provided in the mounting surface and configured to hold the other electronic device at certain angles, and a rotatable clip installed in the mounting surface, and configured to control at least one part of the other electronic device, wherein other electronic device is accommodated at one end by the holder recess, and is accommodated at another end by the rotatable clip, such that the other electronic device is combined with the electronic device.Type: GrantFiled: May 15, 2015Date of Patent: July 25, 2017Assignee: Samsung Electonics Co., Ltd.Inventors: Bo-Hyun Jung, Chong-Du Kim, Yong-Woo Jeon
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Publication number: 20160308997Abstract: A personal construction method and device are provided, the method includes obtaining log information of a user; filtering the log information to obtain a key field of the information; extracting a tag identifier of the key field; obtaining tag information based on the tag identifier and the key field, wherein the tag information comprises the number of times the tag identifier appears within a first predetermined time period; determining a category of interest corresponding to the identifier information based on the tag identifier, and obtaining a user interest degree corresponding to the category of interest based on the tag information.Type: ApplicationFiled: February 4, 2015Publication date: October 20, 2016Inventors: Wenyu ZHANG, Kunqian HONG, Yajuan SONG, Chong DU
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Publication number: 20150331455Abstract: An electronic device is provided. The electronic device includes a mounting surface configured to accept another electronic device, a holder recess provided in the mounting surface and configured to hold the other electronic device at certain angles, and a rotatable clip installed in the mounting surface, and configured to control at least one part of the other electronic device, wherein other electronic device is accommodated at one end by the holder recess, and is accommodated at another end by the rotatable clip, such that the other electronic device is combined with the electronic device.Type: ApplicationFiled: May 15, 2015Publication date: November 19, 2015Inventors: Bo-Hyun JUNG, Chong-Du KIM, Yong-Woo JEON
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Publication number: 20150289607Abstract: According to various embodiments, there is provided a wearable electronic device including a main body, at least one strap connected to at least one part of the main body, a buckle installed to an end portion of the strap, and a connection member for connecting the buckle and the strap. Accordingly, hardness and aesthetic feeling can be improved, while improving an assembling capability, reducing a manufacturing cost, and contributing to a slimness of the device.Type: ApplicationFiled: April 10, 2015Publication date: October 15, 2015Inventors: Jin-Hak LEE, Byoung-Uk YOON, Chong-Du KIM, Youn-Jin NAM, Seung-Kwon CHOI
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Publication number: 20060016344Abstract: Disclosed herein is a coffee vending machine, in which a concentrate of coffee, cream, sugar, or the like is supplied to an agitator by using a screw-pump, and the supplied concentrate is mixed with hot water from a hot water supply to thereby automatically produce a coffee drink. The coffee vending machine includes a raw material container for containing a concentrate of coffee, cream, and sugar, a screw-pump disposed below the raw material container and for transferring the concentrate supplied from the raw material container into the lower portion thereof by means of a screw, an opening and closing means disposed below the screw-pump and for opening and closing a concentrate discharge-duct, an agitator disposed below the valve and for dissolving the concentrate into water, and a hot water supply for supplying hot water into the agitator.Type: ApplicationFiled: February 4, 2005Publication date: January 26, 2006Inventors: Myoung-Gu Kim, Chong-Du Cho, Jung-Yeob Kim
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Patent number: 6888591Abstract: An LCD assembly used with a wireless information terminal including: an LCD module including an LCD and a TSP attached on a surface of the LCD; a housing having upper and lower housing members which butt against each other to be coupled in order to support the LCD module, an exposure window of a certain size being formed in the upper housing member; and a space maintaining member inserted to maintain a certain gap between a rim of the TSP of the LCD module and the upper housing member, and formed of a rubber material having excellent elasticity and impact-absorbing capacity. The space maintaining member has a fixture portion and a pad portion in close contact with the TSP, and the pad portion has an air groove allowing air to exist between the TSP and itself.Type: GrantFiled: April 15, 2003Date of Patent: May 3, 2005Assignee: Samsung Electronics Co., Ltd.Inventor: Chong-du Kim
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Publication number: 20040004680Abstract: An LCD assembly used with a wireless information terminal including: an LCD module including an LCD and a TSP attached on a surface of the LCD; a housing having upper and lower housing members which butt against each other to be coupled in order to support the LCD module, an exposure window of a certain size being formed in the upper housing member; and a space maintaining member inserted to maintain a certain gap between a rim of the TSP of the LCD module and the upper housing member, and formed of a rubber material having excellent elasticity and impact-absorbing capacity. The space maintaining member has a fixture portion and a pad portion in close contact with the TSP, and the pad portion has an air groove allowing air to exist between the TSP and itself.Type: ApplicationFiled: April 15, 2003Publication date: January 8, 2004Applicant: Samsung Electronics Co., Ltd.Inventor: Chong-Du Kim