Patents by Inventor You-Sik Choi
You-Sik Choi 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: 20230330429Abstract: A static magnetic field generator for treatment of cancer according to an embodiment of the present disclosure includes a static magnetic field generating unit, and a space in which a static magnetic field is formed by the static magnetic field generating unit, wherein the formed static magnetic field has a magnitude range of 0.1 mT to 4 T.Type: ApplicationFiled: April 13, 2023Publication date: October 19, 2023Inventors: Sun Ha PAEK, You Sik CHOI, Soon Beom PARK
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Publication number: 20170261536Abstract: A hybrid current sensor assembly has a conductor, Hall core, Hall sensor, shunt terminal, and a microprocessor. The conductor has a first terminating end and a second terminating end. The Hall core generates a magnetic field from current flow in the conductor. The Hall sensor measures potential difference between first terminating end and the second terminating end of the conductor based on the magnetic field applied to the Hall core. The shunt terminal is positioned on a central portion of the conductor. The microprocessor is connected to the shunt terminal to measure the current flow in the conductor.Type: ApplicationFiled: May 30, 2017Publication date: September 14, 2017Applicant: Tyco Electronics AMP Korea LtdInventors: Hong Il Chae, You Sik Choi, Shin Wook Kang, Young Woon Kim
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Patent number: 9746499Abstract: A hybrid current sensor assembly has a conductor, Hall core, Hall sensor, shunt terminal, and a microprocessor. The conductor has a first terminating end and a second terminating end. The Hall core generates a magnetic field from current flow in the conductor. The Hall sensor measures potential difference between first terminating end and the second terminating end of the conductor based on the magnetic field applied to the Hall core. The shunt terminal is positioned on a central portion of the conductor. The microprocessor is connected to the shunt terminal to measure the current flow in the conductor.Type: GrantFiled: April 28, 2015Date of Patent: August 29, 2017Assignee: Tyco Electronics AMP Korea LtdInventors: Hong Il Chae, You Sik Choi, Shin Wook Kang, Young Woon Kim
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Publication number: 20150309080Abstract: A hybrid current sensor assembly has a conductor, Hall core, Hall sensor, shunt terminal, and a microprocessor. The conductor has a first terminating end and a second terminating end. The Hall core generates a magnetic field from current flow in the conductor. The Hall sensor measures potential difference between first terminating end and the second terminating end of the conductor based on the magnetic field applied to the Hall core. The shunt terminal is positioned on a central portion of the conductor. The microprocessor is connected to the shunt terminal to measure the current flow in the conductor.Type: ApplicationFiled: April 28, 2015Publication date: October 29, 2015Applicant: TYCO ELECTRONICS AMP KOREA LTDInventors: Hong Il Chae, You Sik Choi, Shin Wook Kang, Young Woon Kim
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Patent number: 8792536Abstract: A repeater using a digital filter is disclosed. The repeater comprises a MUX filter for filtering an RF signal received through an antenna or a signal to be transmitted through the antenna; a low noise amplifier for lowering noise of the signal filtered by the MUX filter; a down converter for converting the signal outputted from the low noise amplifier into an IF band signal to digitalize the signal; a digital filter for filtering the digital signal outputted form the down converter based on parameters inputted by a user; a filtering controller for controlling the digital filter by using a filtering coefficient calculated based on the parameters; an up converter for converting the signal filtered by the digital filter into an RF band signal; and a high power amplifier for amplifying the signal outputted from the up converter to a high power signal.Type: GrantFiled: June 19, 2012Date of Patent: July 29, 2014Assignee: R-Tron IncInventors: Min Kon Kwak, Sang Jun Kim, You Sik Choi, Pil Kyu Jin, Se Woong Park
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Publication number: 20130177047Abstract: A repeater using a digital filter is disclosed. The repeater comprises a MUX filter for filtering an RF signal received through an antenna or a signal to be transmitted through the antenna; a low noise amplifier for lowering noise of the signal filtered by the MUX filter; a down converter for converting the signal outputted from the low noise amplifier into an IF band signal to digitalize the signal; a digital filter for filtering the digital signal outputted form the down converter based on parameters inputted by a user; a filtering controller for controlling the digital filter by using al filtering coefficient calculated based on the parameters; an up converter for converting the signal filtered by the digital filter into an RF band signal; and a high power amplifier for amplifying the signal outputted from the up converter to a high power signal.Type: ApplicationFiled: June 19, 2012Publication date: July 11, 2013Applicant: R-TRON INC.Inventors: Min Kon KWAK, Sang Jun KIM, You Sik CHOI, Pil Kyu JIN, Se Woong PARK
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Patent number: 7938024Abstract: A weight sensing device providing an accurate measurement of only a passenger's vertical load without an interference of moment and lateral load caused upon sudden braking and a variation in traveling conditions of a vehicle. The weight sensing device includes a sensor body having a center hole for fastening of the sensor body with a seat frame, a diaphragm provided around the center hole, a pair of fixing holes provided at opposite sides of the center hole and arranged coaxially with the center hole for fastening of the sensor body with a slide rail, supporting planes containing the fixing holes and located at opposite sides of the diaphragm, and a mounting recess defined between the diaphragm and the supporting planes, a semiconductor strain gauge and a printed circuit board attached to the diaphragm of the sensor body, and a connector electrically connected with the printed circuit board, to transmit a value output from the semiconductor strain gauge to an airbag controller.Type: GrantFiled: December 19, 2008Date of Patent: May 10, 2011Assignee: Tyco Electronics AMP Korea Ltd.Inventors: Chul-Sub Lee, Young-Deok Kim, Jin-Kwang Kim, You-Sik Choi, Seong-Jin Park, Eul-Chul Byeon, Jin-Hyuk Kwak
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Publication number: 20090158860Abstract: A weight sensing device providing an accurate measurement of only a passenger's vertical load without an interference of moment and lateral load caused upon sudden braking and a variation in traveling conditions of a vehicle. The weight sensing device includes a sensor body having a center hole for fastening of the sensor body with a seat frame, a diaphragm provided around the center hole, a pair of fixing holes provided at opposite sides of the center hole and arranged coaxially with the center hole for fastening of the sensor body with a slide rail, supporting planes containing the fixing holes and located at opposite sides of the diaphragm, and a mounting recess defined between the diaphragm and the supporting planes, a semiconductor strain gauge and a printed circuit board attached to the diaphragm of the sensor body, and a connector electrically connected with the printed circuit board, to transmit a value output from the semiconductor strain gauge to an airbag controller.Type: ApplicationFiled: December 19, 2008Publication date: June 25, 2009Inventors: Chul-Sub Lee, Young-Deok Kim, Jin-Kwang Kim, You-Sik Choi, Seong-Jin Park, Eul-Chul Byeon, Jin-Hyuk Kwak
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Patent number: 7330008Abstract: An apparatus for detecting a vehicle seat position is disclosed. The apparatus includes a hall sensor for detecting a target position according to a flux variation; a first power-supply unit for activating the hall sensor in an active period of a received drive-voltage pulse; and a second power-supply unit for providing an auxiliary power-supply signal to activate the hall sensor in an inactive period of the drive-voltage pulse. Therefore, the apparatus can effectively address two-pin hall sensor's problems caused by hysteresis characteristics.Type: GrantFiled: March 9, 2006Date of Patent: February 12, 2008Assignee: Tyco Electronics AMP Korea Ltd.Inventors: Cheol-Seob Lee, Seok-Il Kim, Dug-Su Yang, You-Sik Choi
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Publication number: 20070215392Abstract: A seat weight sensor having a support frame, a fixed rail at least partially disposed above the support frame, an elastic deformation unit connected between the support frame and the fixed rail for supporting the fixed rail, and a strain gauge associated with the elastic deformation unit is disclosed.Type: ApplicationFiled: March 16, 2007Publication date: September 20, 2007Inventors: Cheol-Sub Lee, Seok-IL Kim, Jang-Won Lee, You-Sik Choi, Seong-Jin Park
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Publication number: 20060214402Abstract: An apparatus for detecting a vehicle seat position is disclosed. The apparatus includes a hall sensor for detecting a target position according to a flux variation; a first power-supply unit for activating the hall sensor in an active period of a received drive-voltage pulse; and a second power-supply unit for providing an auxiliary power-supply signal to activate the hall sensor in an inactive period of the drive-voltage pulse. Therefore, the apparatus can effectively address two-pin hall sensor's problems caused by hysteresis characteristics.Type: ApplicationFiled: March 9, 2006Publication date: September 28, 2006Inventors: Cheol-Seob Lee, Seok-II Kim, Dug-Su Yang, You-Sik Choi
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Patent number: D658525Type: GrantFiled: January 31, 2011Date of Patent: May 1, 2012Assignee: Tyco Electronics AMP Korea Ltd.Inventors: You-Sik Choi, Young-Woon Kim
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Patent number: D666511Type: GrantFiled: January 31, 2011Date of Patent: September 4, 2012Assignee: Tyco Electronics AMP Korea Ltd.Inventors: You-Sik Choi, Young-Woon Kim