Patents by Inventor Dong-Jun Yang
Dong-Jun Yang 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: 11933688Abstract: Provided is a portable apparatus for measuring a manipulation force. The apparatus includes a manipulation force measurement unit configured to measure a manipulation force applied on a manipulated part in a first direction of pushing forward or pulling backward and measure a manipulation force in a second direction of moving toward left or right, and a controller configured to process the measured manipulation force to generate manipulation force information over time.Type: GrantFiled: August 3, 2022Date of Patent: March 19, 2024Assignees: Hyundai Motor Company, Kia CorporationInventors: Sang Seo Ahn, Jong Jun Kim, Dong Ho Yang
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Publication number: 20240032674Abstract: Disclosed herein is an accommodation case for an electric toothbrush, as an accommodation case for an electric toothbrush for storing an electric toothbrush having an electric body and a brush head detachably coupled to the electric body, including a first housing and a second housing connected to each other and configured to accommodate the electric toothbrush, wherein the first and second housings are formed to have a length for accommodating at least a portion of the brush head and only a portion of the electric body and exposing the rest of the electric body, and the first housing includes a counteracting portion generating a counter moment against a rotational moment generated by the rest of the electric body, while the electric toothbrush is accommodated in the first housing.Type: ApplicationFiled: September 30, 2022Publication date: February 1, 2024Inventors: Sung Min CHUNG, Wan Kyu Lee, Ki yoon KANG, Dong Jun Yang
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Patent number: 11233536Abstract: A wireless communication device can include an antenna array configured to receive a plurality of radio frequency (RF) signals, RF circuitry, and digital baseband receive circuitry. The RF circuitry is configured to process the plurality of RF signals received via the antenna array to generate a single RF signal. The digital baseband receive circuitry is coupled to the RF circuitry and is configured to generate a downconverted signal based on the single RF signal, amplify the downconverted signal to generate an amplified downconverted signal, and convert the amplified downconverted signal to generate a digital output signal for processing by a wireless modem. The digital baseband receive circuitry further includes at least a first filtering system configured to filter the downconverted signal prior to amplification.Type: GrantFiled: March 28, 2018Date of Patent: January 25, 2022Assignee: Intel CorporationInventors: Mohammed Alam, Yiwen Chen, Ricardo Fernandez, John J. Parkes, Jr., James Riches, Werner Schelmbauer, Daniel Schwartz, Michael David Vicker, Dong-Jun Yang
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Publication number: 20210376797Abstract: A radio-frequency (RF) amplifier circuit facilites carrier-aggregation (CA) operation in a wireless communication network. A first amplifier subcircuit is coupled to an input node, and a second amplifier subcircuit is coupled to the input node. An amplifier subcircuit selector is to selectively enable operation of the first amplifier subcircuit, the second amplifier subcircuit, or the first and the second amplifier subcircuits together, in response to a selection indication. A reactive coupling network is arranged to selectively adjust the input impedance at the input node in response to the selection indication to reduce the input impedance variation.Type: ApplicationFiled: March 30, 2018Publication date: December 2, 2021Inventors: Mohammed ALAM, Yiwen CHEN, Ricardo FERNANDEZ, Dong-Jun YANG
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Patent number: 11146276Abstract: A wireless communication device can include an antenna configured to sense a radio frequency (RF) signal. The wireless communication device can include signal estimation circuitry configured to generate estimates of amplitude and frequency for unmodulated spurs within the RF signal. The wireless communication device can further include multi-tone generator circuitry coupled to the signal estimation circuitry and configured to generate a composite spur cancellation signal based on the estimates of amplitude and frequency for unmodulated spurs within the RF signal. The wireless communication device can further include adder circuitry configured to subtract the spur cancellation signal from the RF signal to generate a spur cancelled signal.Type: GrantFiled: March 30, 2018Date of Patent: October 12, 2021Assignee: Intel CorporationInventors: Niranjan Karandikar, Mohammed Alam, Gregory Chance, Armando Cova, Michael Milyard, John J. Parkes, Jr., Ashoke Ravi, Daniel Schwartz, Dong-Jun Yang
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Publication number: 20210067163Abstract: A wireless communication device can include an antenna configured to sense a radio frequency (RF) signal. The wireless communication device can include signal estimation circuitry configured to generate estimates of amplitude and frequency for unmodulated spurs within the RF signal. The wireless communication device can further include multi-tone generator circuitry coupled to the signal estimation circuitry and configured to generate a composite spur cancellation signal based on the estimates of amplitude and frequency for unmodulated spurs within the RF signal. The wireless communication device can further include adder circuitry configured to subtract the spur cancellation signal from the RF signal to generate a spur cancelled signal.Type: ApplicationFiled: March 30, 2018Publication date: March 4, 2021Inventors: Niranjan Karandikar, Mohammed Alam, Gregory Chance, Armando Cova, Michael Milyard, John J. Parkes, JR., Ashoke Ravi, Daniel Schwartz, Dong-Jun Yang
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Publication number: 20200321994Abstract: A wireless communication device can include an antenna array configured to receive a plurality of radio frequency (RF) signals, RF circuitry, and digital baseband receive circuitry. The RF circuitry is configured to process the plurality of RF signals received via the antenna array to generate a single RF signal. The digital baseband receive circuitry is coupled to the RF circuitry and is configured to generate a downconverted signal based on the single RF signal, amplify the downconverted signal to generate an amplified downconverted signal, and convert the amplified downconverted signal to generate a digital output signal for processing by a wireless modem. The digital baseband receive circuitry further includes at least a first filtering system configured to filter the downconverted signal prior to amplification.Type: ApplicationFiled: March 28, 2018Publication date: October 8, 2020Inventors: Mohammed Alam, Yiwen Chen, Ricardo Fernandez, John J. Parkes, JR., James Riches, Werner Schelmbauer, Daniel Schwartz, Michael David Vicker, Dong-Jun Yang
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Patent number: 8868022Abstract: A transconductance amplifier having an input terminal for receiving an input signal and an output terminal for communicating an output signal based on the input signal, the transconductance amplifier may include a gain transistor and a variable capacitance. The gain transistor may have a gate terminal, a first non-gate terminal, and a second non-gate terminal, the first non-gate terminal coupled to the output terminal of the transconductance amplifier. The variable capacitance may be coupled between the gate terminal of the gain transistor and the second non-gate terminal of the gain transistor.Type: GrantFiled: April 19, 2012Date of Patent: October 21, 2014Assignee: Intel IP CorporationInventors: Dong-Jun Yang, Mohammed Shah Alam
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Publication number: 20130278342Abstract: A transconductance amplifier having an input terminal for receiving an input signal and an output terminal for communicating an output signal based on the input signal, the transconductance amplifier may include a gain transistor and a variable capacitance. The gain transistor may have a gate terminal, a first non-gate terminal, and a second non-gate terminal, the first non-gate terminal coupled to the output terminal of the transconductance amplifier. The variable capacitance may be coupled between the gate terminal of the gain transistor and the second non-gate terminal of the gain transistor.Type: ApplicationFiled: April 19, 2012Publication date: October 24, 2013Applicant: FUJITSU SEMICONDUCTOR LIMITEDInventors: Dong-Jun Yang, Mohammed Shah Alam
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Publication number: 20130062535Abstract: A surface treatment device of dental implant according to an embodiment of the present invention includes: a body providing a treatment chamber to receive a surface processing object; a cover combined to the body to selectively open the treatment chamber; a light source irradiating UV light to a surface of the surface treatment object; and a reflective plate positioned at a bottom of the treatment chamber to reflect the UV light emitting from the light source toward the surface treatment object.Type: ApplicationFiled: May 31, 2011Publication date: March 14, 2013Applicant: MEGAGEN IMPLANT CO. LTD.Inventors: Kwang Bum Park, Dong Jun Yang, Hyun Wook An, Sun Young Lee, Chang Hee Yang, Min Kim, Byung Kwon Moon, Hyun Seung Kim, Chul Jung, Chul Woong Jeong
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Patent number: 8183229Abstract: Provided is a bone filling complex and method of preparing the same. The bone filling complex includes a matrix including a hydrogel-type hyaluronic acid derivative; and a bone derivative filling the matrix For example, the bone filling complex can be used to regenerate an injured alveolar bone.Type: GrantFiled: August 27, 2007Date of Patent: May 22, 2012Assignees: Megagen Implant Co., Ltd., Pohang University of Science and Technology Dept. of Advanced Materials Science & EngineeringInventors: Sei Kwang Hahn, Eun Ju Oh, Jung Kyu Park, Kwang Bum Park, Kyoung Ho Ryoo, Seok Kyu Choi, Dong Jun Yang, Hyun Wook An
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Patent number: 8005448Abstract: The present invention is an RF duplex filter that is used to remove transmit signals from the receive path of a full duplex transceiver. The RF duplex filter includes a notch filter for blocking signals at a transmit frequency and a bandpass filter for enhancing signals at a receive frequency. The notch filter is formed with series resonant elements and the bandpass filter is formed with parallel resonant elements. One embodiment of the present invention may include tunable resonant elements for tuning the notch filter to a transmit frequency, tuning the bandpass filter to a receive frequency, or both. Calibration circuitry may be included in the full duplex receiver for adjusting the tunable resonant elements. The present invention includes a method for calibrating the tunable resonant elements.Type: GrantFiled: May 10, 2007Date of Patent: August 23, 2011Assignee: RF Micro Devices, Inc.Inventors: Kelvin Kai Tuan Yan, Dong-Jun Yang
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Publication number: 20100249059Abstract: Provided is a bone filling complex and a method of preparing the same. The bone filling complex includes a matrix including a hydrogel-type hyaluronic acid derivative; and a bone derivative filling the matrix, and thus adhesion can be prevented and excellent bone generation property can be obtained. For example, the bone filling complex can be used to an injured portion of alveolar bone to derive an regeneration of the alveolar bone.Type: ApplicationFiled: August 27, 2007Publication date: September 30, 2010Applicants: MEGAGEN IMPLANT CO., LTD., POHANG UNIVERSITY OF SCIENCE AND TECHNOLOGYInventors: Sei Kwang Hahn, Eun Ju Oh, Jung Kyu Park, Kwang Bum Park, Kyoung Ho Ryoo, Seok Kyu Choi, Dong Jun Yang, Hyun Wook An
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Patent number: 7617694Abstract: Provided is an air conditioner, particularly, an apparatus and method for controlling a super-heating degree in a heat pump system for preventing a liquid refrigerant from flowing into a compressor. The method includes: operating the heat pump system; receiving a present outdoor temperature, a pipe absorption temperature and a low pressure value of a compressor, respectively; computing a present absorption super-heating degree from a difference between the absorption temperature of the compressor and a saturated temperature at a low pressure side; and comparing an targeted absorption super-heating degree set in advance, with the computed present absorption super-heating degree according to the received outdoor temperature, and controlling the system so that the present absorption super-heating degree may follow the targeted absorption super-heating degree.Type: GrantFiled: October 5, 2004Date of Patent: November 17, 2009Assignee: LG Electronics Inc.Inventors: Il Nahm Hwang, Young Min Park, Yoon Been Lee, Dong Jun Yang, Seok Ho Yoon, Jong Han Park, Sung Oh Choi, Sung Chun Kim
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Publication number: 20090277619Abstract: An air conditioning system is provided. Air is pulled-in/exhausted from/into an indoor space or indoor and outdoor spaces using one fan. Thus, a configuration of the air conditioning system can be further simplified.Type: ApplicationFiled: May 7, 2009Publication date: November 12, 2009Applicant: LG ELECTRONICS INC.Inventors: Gi Seop LEE, Dong Jun YANG, Dong Keun YANG
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Publication number: 20090254192Abstract: Provided are a bone filler for orthopedic and dental applications and a method of fabricating the same. The bone filler includes a pillar-like body having at least one through hole. In addition, the method of fabricating a bone filler includes preparing a slurry including a bioactive material, pressing the slurry to form a pillar-like body including at least one through hole, and calcining the body.Type: ApplicationFiled: August 3, 2007Publication date: October 8, 2009Applicant: MEGAGEN IMPLANT CO., LTD.Inventors: Kwang Bum Park, Kyoung Ho Ryoo, Seok Kyu Choi, Dong Jun Yang, Hyun Wook An, Jae Won Kim
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Patent number: 7584624Abstract: Disclosed is an apparatus and method for preventing liquid refrigerant accumulation in an accumulator of an outdoor unit of an air conditioner. The method includes the steps of: determining a state of a compressor; if the compressor is in standby mode or off state, turning on a four-way valve; determining whether the state of the compressor in standby mode or off state continues longer than a predetermined amount of time; and if the state of the compressor continues longer than the predetermined amount of time, closing an expansion valve. Particularly, high-pressure refrigerant flows in the closed expansion valve while low-pressure refrigerant flows in a check valve through the four-way valve.Type: GrantFiled: August 31, 2004Date of Patent: September 8, 2009Assignee: LG Electronics Inc.Inventors: Il Nahm Hwang, Young Min Park, Yoon Been Lee, Dong Jun Yang, Seok Ho Yoon, Jong Han Park, Sung Oh Choi, Sung Chun Kim
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Patent number: 7472559Abstract: Disclosed is a method for controlling an air conditioner. In particular, driving modes of elements, namely sucking/discharge compressure, of the compressor in operation are determined so that variable means are controlled to ensure for the elements of the compressor to be within predetermined value ranges in safe area. According to the present invention, vibrations/noises that usually occur when the compressor is in unstable area are greatly reduced and thus, the compressor can be protected from damages.Type: GrantFiled: June 3, 2004Date of Patent: January 6, 2009Assignee: LG Electronics Inc.Inventors: Young Min Park, Dong Jun Yang, Yoon Been Lee, Il Nahm Hwang, Seok Ho Yoon, Jong Han Park, Sung Oh Choi, Sung Chun Kim
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Publication number: 20080209928Abstract: A system for controlling an air conditioner includes a plurality of outdoor units each having at least one compressor and an outdoor heat exchanger, an indoor unit connected to the outdoor units by a refrigerant tube, the indoor unit having an indoor heat exchanger, and a pressure regulating tube for equalizing pressure according to an operation mode. The pressure regulating tube is connected between the outdoor units.Type: ApplicationFiled: April 18, 2008Publication date: September 4, 2008Applicant: LG Electronics Inc.Inventors: Il Nahm Hwang, Young Min Park, Yoon Been Lee, Dong Jun Yang, Seok Ho Yoon, Jong Han Park, Sung Oh Choi, Sung Chun Kim
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Patent number: 7407002Abstract: An air conditioner comprises an outdoor unit and an indoor unit provided with an indoor heat exchanger and an indoor expansion device, wherein the outdoor unit comprises a compressor for compressing a refrigerant, an outdoor heat exchanger for heat-exchanging a refrigerant, a four-way valve adjacently arranged to the compressor for circulating a refrigerant discharged from the compressor according to a heating cycle or a cooling cycle, a refrigerant detouring path for detouring a refrigerant discharged from the outdoor heat exchanger to the compressor at the time of a defrosting operation, an outdoor expansion device installed in the middle of the detouring path for reducing a pressure of a refrigerant which flows in the refrigerant detouring path, and a heat exchanging device installed in the middle of the detouring path for heat-exchanging between a refrigerant introduced from the outdoor expansion device and a refrigerant discharged from the compressor.Type: GrantFiled: November 25, 2003Date of Patent: August 5, 2008Assignee: LG Electronics Inc.Inventors: Sae-Dong Jang, Il-Nahm Hwang, Jin-Seob Song, Bong-Soo Park, Dong-Jun Yang, Ho-Jong Jeong