Patents by Inventor Sang Gyu Park
Sang Gyu Park 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: 9693150Abstract: A microphone, that increases sensitivity without a separate circuit is provided. The microphone includes an audio detection module having a vibration film that outputs capacitance signals by vibrating audio introduced from the exterior and a piezoresistive element that outputs a piezoresistive signal by a sound pressure of the audio. A semiconductor chip includes an amplifier electrically connected to the audio detection module to receive a capacitance signal and a piezoresistive signal from the audio detection module and amplifies the capacitance signal and piezoresistive signal to an electrical signal.Type: GrantFiled: September 8, 2015Date of Patent: June 27, 2017Assignee: Hyundai Motor CompanyInventors: Sang-Hyeok Yang, Hyunsoo Kim, Sang Gyu Park, Ilseon Yoo
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Patent number: 9668047Abstract: The present disclosure relates to a microphone, and more particularly, to a microphone capable of improving a signal-to-noise ratio (SNR) by receiving a sound pressure through at least two acoustic sensing modules. According to an exemplary form of the present disclosure, a microphone includes first and second acoustic sensing modules including a diaphragm vibrated by a sound pressure introduced from the outside and a fixed membrane spaced apart from the diaphragm, and a signal processing module receiving first and second capacitance signals from each of the first and second acoustic sensing modules and removing and outputting noises included in the first and second capacitance signals based on the first and second capacitance signals.Type: GrantFiled: December 2, 2015Date of Patent: May 30, 2017Assignee: Hyundai Motor CompanyInventors: Sang Gyu Park, Sang Hyeok Yang
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Publication number: 20170064443Abstract: The present disclosure relates to a microphone, and more particularly, to a microphone capable of improving a signal-to-noise ratio (SNR) by receiving a sound pressure through at least two acoustic sensing modules. According to an exemplary form of the present disclosure, a microphone includes first and second acoustic sensing modules including a diaphragm vibrated by a sound pressure introduced from the outside and a fixed membrane spaced apart from the diaphragm, and a signal processing module receiving first and second capacitance signals from each of the first and second acoustic sensing modules and removing and outputting noises included in the first and second capacitance signals based on the first and second capacitance signals.Type: ApplicationFiled: December 2, 2015Publication date: March 2, 2017Inventors: Sang Gyu PARK, Sang Hyeok YANG
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Publication number: 20170064440Abstract: A method of manufacturing a microphone includes steps of forming a sound element; forming a semiconductor chip; coupling the sound element and the semiconductor chip to each other; inserting the sound element and the semiconductor chip into a case; and forming a sound hole in a lower portion of the case and in a lower portion of the sound element.Type: ApplicationFiled: December 15, 2015Publication date: March 2, 2017Inventors: Hyunsoo KIM, Sang Hyeok YANG, Sang Gyu PARK, Ilseon YOO
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Patent number: 9466986Abstract: A current generating circuit that includes a first current source that generates a first current having a negative temperature coefficient a second current source that generates a second current having a positive temperature coefficient. A compensation circuit generates a common current using a first transistor that receives the first current and a second transistor formed in a mirroring structure, a third transistor that receives the second current, and a fourth transistor formed in a mirroring structure. In addition, the compensation circuit provides the common current as an output current using a transistor that is formed in at least a pair of mirroring structures.Type: GrantFiled: October 2, 2013Date of Patent: October 11, 2016Assignee: Hyundai Motor CompanyInventors: Soon-Myung Kwon, Sang Gyu Park
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Publication number: 20160186145Abstract: The present invention relates to a process for enhancing stem cell bioactivity using tauroursodeoxycholic acid (TUDCA) or a pharmaceutical acceptable salt thereof.Type: ApplicationFiled: November 25, 2015Publication date: June 30, 2016Inventors: Sang Mo Kwon, Sang Gyu Park, Jun Hee Lee, Jin Gu Cho
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Publication number: 20160142828Abstract: A microphone, that increases sensitivity without a separate circuit is provided. The microphone includes an audio detection module having a vibration film that outputs capacitance signals by vibrating audio introduced from the exterior and a piezoresistive element that outputs a piezoresistive signal by a sound pressure of the audio. A semiconductor chip includes an amplifier electrically connected to the audio detection module to receive a capacitance signal and a piezoresistive signal from the audio detection module and amplifies the capacitance signal and piezoresistive signal to an electrical signal.Type: ApplicationFiled: September 8, 2015Publication date: May 19, 2016Inventors: Sang-Hyeok Yang, Hyunsoo Kim, Sang Gyu Park, Ilseon Yoo
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Publication number: 20160112796Abstract: An analog signal processing circuit of a microphone includes a bias circuit including a first sub-circuit which receives a signal from the microphone to output a first signal and a second sub-circuit which receives a reference voltage to output a second signal. A fully differential circuit receives the first signal and the second signal to output a fully differential signal. Each of the first sub-circuit and the second sub-circuit includes a bias sub-circuit to apply a bias voltage.Type: ApplicationFiled: September 14, 2015Publication date: April 21, 2016Inventors: Sang-Hyeok YANG, Sang Gyu PARK
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Patent number: 9008530Abstract: An image forming apparatus and a power control method thereof, the power control method of an image forming apparatus which includes a finisher to perform at least one of finishing jobs including arranging, sorting, grouping, folding, stapling, binding, and punching a print medium which is ejected after an image is formed thereon, the power control method including: determining whether or not a power mode of the image forming apparatus meets requirements for entering a power save mode in which power supplied to a part of elements of the image forming apparatus is shut off; determining whether or not the image forming apparatus has an ongoing job if the requirements for entering the power save mode are met; and entering the image forming apparatus in the power save mode while the power supply to the finisher is maintained if the image forming apparatus has the ongoing job.Type: GrantFiled: May 9, 2011Date of Patent: April 14, 2015Assignee: Samsung Electronics Co., Ltd.Inventors: Hyun-soo Song, Sang-gyu Park
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Publication number: 20140360246Abstract: A micro-electro-mechanical-system (MEMS) resonant sensor includes: a MEMS unit that generates an output signal corresponding to a vibration component of a mass body vibratable between a first driving electrode and a second driving electrode; an automatic gain control (AGC) unit that automatically generates a comparative voltage by controlling a gain of the output signal; and a bias unit that receives a reference voltage and generates a bias voltage using the comparative voltage and the reference voltage, wherein a sinusoidal driving voltage is applied to the first driving electrode and the second driving electrode, and the bias voltage is applied to the mass body. It can maintain the amplitude of the mass body stably in the MEMS resonant sensor, and prevent malfunction of an electronic circuit by reducing a response error of the MEMS resonant sensor.Type: ApplicationFiled: November 27, 2013Publication date: December 11, 2014Applicant: Hyundai Motor CompanyInventors: Soon-myung Kwon, Sang Gyu Park
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Publication number: 20140152106Abstract: A current generating circuit that includes a first current source that generates a first current having a negative temperature coefficient a second current source that generates a second current having a positive temperature coefficient. A compensation circuit generates a common current using a first transistor that receives the first current and a second transistor formed in a mirroring structure, a third transistor that receives the second current, and a fourth transistor formed in a mirroring structure. In addition, the compensation circuit provides the common current as an output current using a transistor that is formed in at least a pair of mirroring structures.Type: ApplicationFiled: October 2, 2013Publication date: June 5, 2014Applicant: Hyundai Motor CompanyInventors: Soon-Myung Kwon, Sang Gyu Park
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Publication number: 20140140711Abstract: An image forming apparatus including at least one option cassette, and a paper jam handling method performed in the image forming apparatus are provided. The paper jam handling method includes the operations of detecting whether paper jam occurs in the image forming apparatus, checking whether paper sheets exist on a transfer path of the image forming apparatus and on a transfer path of the option cassette, when the paper jam is detected, and leaving the paper sheet on the transfer path of the option cassette as it is and discharging the paper sheet caught on the transfer path of the image forming apparatus. Accordingly, paper damage or paper consumption may be prevented by not discharging a paper sheet caught on a transfer path of at least one option cassette during paper jam.Type: ApplicationFiled: January 28, 2014Publication date: May 22, 2014Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Sang-gyu Park, Yun-su Kim
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Patent number: 8676065Abstract: An image forming apparatus including at least one option cassette, and a paper jam handling method performed in the image forming apparatus are provided. The paper jam handling method includes the operations of detecting whether paper jam occurs in the image forming apparatus, checking whether paper sheets exist on a transfer path of the image forming apparatus and on a transfer path of the option cassette, when the paper jam is detected, and leaving the paper sheet on the transfer path of the option cassette as it is and discharging the paper sheet caught on the transfer path of the image forming apparatus. Accordingly, paper damage or paper consumption may be prevented by not discharging a paper sheet caught on a transfer path of at least one option cassette during paper jam.Type: GrantFiled: May 26, 2009Date of Patent: March 18, 2014Assignee: Samsung Electronics Co., Ltd.Inventors: Sang-gyu Park, Yun-su Kim
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Patent number: 8564824Abstract: An image printing method of a host apparatus connected to an image forming apparatus, the method includes selecting an image to be successively printed over a plurality of recording pages, disposing the image to be successively printed on at least one of top, bottom, right and left positions of at least one of the plurality of recording pages, generating printing data of the image to be successively printed over the plurality of recording pages, and transmitting the printing data to the image forming apparatus.Type: GrantFiled: November 10, 2008Date of Patent: October 22, 2013Assignee: SAMSUNG Electronics Co., Ltd.Inventors: Sang-gyu Park, Gun-ho Kim
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Patent number: 8563327Abstract: The present invention provides, as a novel diagnosis marker for type 1 diabetes mellitus, a type 1 diabetes mellitus diagnostic composition comprising alanyl-tRNA synthetase, glycyl-tRNA synthetase, asparaginyl-tRNA synthetase, or tryptophanyl-tRNA synthetase, a diagnostic kit comprising the same, and a diagnostic method using the same. The composition, the kit, and the method, according to the present invention, may be used for early diagnosis and confirmed diagnosis of type 1 diabetes mellitus because type 1 diabetes mellitus can be easily diagnosed from a patient sample.Type: GrantFiled: August 5, 2011Date of Patent: October 22, 2013Assignees: Seoul National University Hospital, SNU R&DB FoundationInventors: Sang Gyu Park, Kyong Soo Park, Sunghoon Kim
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Patent number: 8324950Abstract: There are provided a Schmitt trigger circuit that has hysteresis characteristics in which a release point and an operating point are determined based on a width of an inputted pulse.Type: GrantFiled: February 24, 2011Date of Patent: December 4, 2012Assignee: Samsung Electro-Mechanics Co., Ltd.Inventors: Sung Tae Kim, Sang Gyu Park, Kyung Uk Kim, Dong Ok Han, Seung Chul Pyo, Soo Woong Lee
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Publication number: 20120256622Abstract: There are provided a hall sensor having an offset removal function removing an offset included in a hall voltage, and an offset removing method thereof. The hall sensor includes: a converting unit converting first and second detection voltages detected for each of a plurality of preset detection directions by a hall device detecting a magnetic field as a voltage according to the plurality of preset detection directions into a pulse having a level difference therebetween as a width; a sign determining unit comparing the first and second detection voltages with each other and determining whether the pulse has a positive sign or a negative sign according to the comparison result; a counter counting the width of the pulse from the converting unit with a preset reference time unit; and an operating unit removing an offset voltage included in the first and second detection voltages by performing a minus operation with the numbers counted by the counter according to the sign determined by the sign determining unit.Type: ApplicationFiled: July 21, 2011Publication date: October 11, 2012Inventors: Sung Tae KIM, Sang Gyu Park, Kyung Uk Kim, Dong Ok Han, Seung Chul Pyo, Soo Woong Lee
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Publication number: 20120229132Abstract: Disclosed herein is a stacked type magnetic field sensor. The stacked type magnetic field detection sensor includes a vertical hall device including a first substrate of a thickness having a first gate length on which a first circuit pattern in a vertical direction is formed so as to sense magnetic field horizontally input and converting the magnetic field into a voltage signal; and a signal processing circuit unit including a second substrate having a thickness having a second gate length to receive the voltage signal so as to detect a magnitude in the magnetic field according to the magnitude in the voltage and detecting the magnitude in the magnetic field by processing the voltage signal through the plurality of second circuit patterns. By this configuration, magnetic detection sensitivity can be improved, the magnetic field detection sensor can be miniaturized, and IC manufacturing costs can be saved.Type: ApplicationFiled: March 1, 2012Publication date: September 13, 2012Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Sang Gyu Park, Young Sik HUR, Kyung Uk KIM
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Publication number: 20120128385Abstract: An image forming apparatus and a power control method thereof, the power control method of an image forming apparatus which includes a finisher to perform at least one of finishing jobs including arranging, sorting, grouping, folding, stapling, binding, and punching a print medium which is ejected after an image is formed thereon, the power control method including: determining whether or not a power mode of the image forming apparatus meets requirements for entering a power save mode in which power supplied to a part of elements of the image forming apparatus is shut off; determining whether or not the image forming apparatus has an ongoing job if the requirements for entering the power save mode are met; and entering the image forming apparatus in the power save mode while the power supply to the finisher is maintained if the image forming apparatus has the ongoing job.Type: ApplicationFiled: May 9, 2011Publication date: May 24, 2012Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Hyun-soo Song, Sang-gyu Park
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Publication number: 20120119819Abstract: There is provided a current circuit having a selective temperature coefficient. The current circuit may include: a first current generating unit generating a first current having a positive temperature characteristic which increases depending on temperature; a second current generating unit generating a second current having a negative temperature characteristic which decreases depending on temperature; a multiplying unit multiplying and outputting each of the first current and the second current; and a switching unit selectively synthesizing and outputting a plurality of currents outputted from the multiplying unit depending on on/off control signals. Therefore, it is possible to prevent performance from being deteriorated by temperature and easily and efficiently adjust a temperature coefficient through a simple switching logic.Type: ApplicationFiled: January 19, 2011Publication date: May 17, 2012Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Seung Chul PYO, Dong Ok HAN, Sung Tae KIM, Soo Woong LEE, Kyung Uk KIM, Sang Gyu PARK