Patents by Inventor Dae Seok Jang
Dae Seok Jang 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).
-
Publication number: 20240134785Abstract: An apparatus for testing a multimedia device includes a database log tracking device that transmits a log of a first terminal and a processor that monitors the log to detect a predetermined event, obtains event execution information at a timing when the event occurs from the first terminal and a second terminal interworking with the first terminal in response to that the event is detected, and compares the event execution information with predetermined reference information to determine operation states of the first and second terminals.Type: ApplicationFiled: March 28, 2023Publication date: April 25, 2024Applicants: HYUNDAI MOTOR COMPANY, Kia CorporationInventors: Seong Un KIM, Seung Yeun JANG, Dae Youl KIM, Hyung Seok LEE
-
Patent number: 10274981Abstract: A voltage dropping apparatus may include: a voltage dropping unit receiving an input voltage, outputting the input voltage in a first mode, and dropping a level of the input voltage in a second mode; a voltage output unit connected to the voltage dropping unit, receiving and outputting the input voltage in the first mode, and receiving and outputting the dropped voltage in the second mode; and a control unit receiving a mode signal and controlling a mode change of the voltage dropping unit and the voltage output unit based on a value of the mode signal.Type: GrantFiled: November 14, 2017Date of Patent: April 30, 2019Assignee: Samsung Electro-Mechanics Co., Ltd.Inventors: Hyun Hwan Yoo, Jong Myeong Kim, Yoo Hwan Kim, Yoo Sam Na, Dae Seok Jang, Hyun Jin Yoo
-
Publication number: 20180074534Abstract: A voltage dropping apparatus may include: a voltage dropping unit receiving an input voltage, outputting the input voltage in a first mode, and dropping a level of the input voltage in a second mode; a voltage output unit connected to the voltage dropping unit, receiving and outputting the input voltage in the first mode, and receiving and outputting the dropped voltage in the second mode; and a control unit receiving a mode signal and controlling a mode change of the voltage dropping unit and the voltage output unit based on a value of the mode signal.Type: ApplicationFiled: November 14, 2017Publication date: March 15, 2018Applicant: Samsung Electro-Mechanics Co., Ltd.Inventors: Hyun Hwan YOO, Jong Myeong KIM, Yoo Hwan KIM, Yoo Sam NA, Dae Seok JANG, Hyun Jin YOO
-
Patent number: 9876496Abstract: A radio frequency switch circuit, according to examples, includes a switching circuit controlled to be in a turned on or turned off state on the basis of a gate signal to thereby allow a radio frequency signal to pass or be blocked; a voltage dividing circuit connected to terminals of the switching circuit that the radio frequency signal passes through and outputting intermediate voltage between the terminals by a voltage dividing node; and an impedance circuit connected between the voltage dividing node and a body terminal of the switching circuit.Type: GrantFiled: November 30, 2015Date of Patent: January 23, 2018Assignee: Samsung Electro-Mechanics Co., Ltd.Inventors: Hyun Jin Yoo, Jong Myeong Kim, Yoo Hwan Kim, Hyun Hwan Yoo, Yoo Sam Na, Dae Seok Jang
-
Patent number: 9851733Abstract: A voltage dropping apparatus may include: a voltage dropping unit receiving an input voltage, outputting the input voltage in a first mode, and dropping a level of the input voltage in a second mode; a voltage output unit connected to the voltage dropping unit, receiving and outputting the input voltage in the first mode, and receiving and outputting the dropped voltage in the second mode; and a control unit receiving a mode signal and controlling a mode change of the voltage dropping unit and the voltage output unit based on a value of the mode signal.Type: GrantFiled: March 17, 2015Date of Patent: December 26, 2017Assignee: Samsung Electro-Mechanics Co., Ltd.Inventors: Hyun Hwan Yoo, Jong Myeong Kim, Yoo Hwan Kim, Yoo Sam Na, Dae Seok Jang, Hyun Jin Yoo
-
Patent number: 9628070Abstract: A radio frequency switch circuit may include a first switch circuit unit connected between a signal port and an antenna port, a second switch circuit unit connected between the signal port and a ground, and a third switch circuit unit connected between the antenna port and the ground. An operation reference voltage of the third switch circuit unit is lower than an operation reference voltage of the first switch circuit unit.Type: GrantFiled: December 2, 2015Date of Patent: April 18, 2017Assignee: Samsung Electro-Mechanics Co., Ltd.Inventors: Dae Seok Jang, Yoo Hwan Kim, Hyun Hwan Yoo, Yoo Sam Na, Jong Myeong Kim, Hyun Jin Yoo
-
Patent number: 9531375Abstract: A radio frequency switch circuit may include: a first switch circuit unit connected between a first signal port for transmitting and receiving a signal and a common connection node and operated by a first gate signal; a second switch circuit unit connected between a second signal port for transmitting and receiving a signal and the common connection node and operated by a second gate signal; a first shunt circuit unit including first and second shunt units connected to each other in series between a first connection node connected to the first signal port and a ground, the first shunt unit being operated by the first gate signal and the second shunt unit being operated by the second gate signal; and a second shunt circuit unit connected between a second connection node connected to the second signal port and the ground and operated by the first gate signal.Type: GrantFiled: January 29, 2015Date of Patent: December 27, 2016Assignee: Samsung Electro-Mechanics Co., Ltd.Inventors: Yoo Sam Na, Jong Myeong Kim, Yoo Hwan Kim, Hyun Hwan Yoo, Dae Seok Jang, Hyun Jin Yoo
-
Publication number: 20160285449Abstract: A radio frequency switch circuit, according to examples, includes a switching circuit controlled to be in a turned on or turned off state on the basis of a gate signal to thereby allow a radio frequency signal to pass or be blocked; a voltage dividing circuit connected to terminals of the switching circuit that the radio frequency signal passes through and outputting intermediate voltage between the terminals by a voltage dividing node; and an impedance circuit connected between the voltage dividing node and a body terminal of the switching circuit.Type: ApplicationFiled: November 30, 2015Publication date: September 29, 2016Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Hyun Jin YOO, Jong Myeong KIM, Yoo Hwan KIM, Hyun Hwan YOO, Yoo Sam NA, Dae Seok JANG
-
Patent number: 9389626Abstract: A low-drop-output type voltage regulator may include an error amplifier providing a gate signal depending on a voltage difference between a reference voltage and a feedback voltage, a semiconductor switch adjusting a current between an input terminal receiving a battery voltage and a ground, in response to the gate signal, a feedback circuit dividing and detecting a detection voltage in a detection node between the semiconductor switch and the ground and providing the feedback voltage, a voltage sensor sensing the battery voltage, and a feedback voltage controller adjusting a level of the feedback voltage depending on the sensed battery voltage.Type: GrantFiled: March 27, 2015Date of Patent: July 12, 2016Assignee: Samsung Electro-Mechanics Co., Ltd.Inventors: Yoo Hwan Kim, Jong Myeong Kim, Hyun Hwan Yoo, Yoo Sam Na, Dae Seok Jang, Hyun Jin Yoo
-
Publication number: 20160156345Abstract: A radio frequency switch circuit may include a first switch circuit unit connected between a signal port and an antenna port, a second switch circuit unit connected between the signal port and a ground, and a third switch circuit unit connected between the antenna port and the ground. An operation reference voltage of the third switch circuit unit is lower than an operation reference voltage of the first switch circuit unit.Type: ApplicationFiled: December 2, 2015Publication date: June 2, 2016Applicant: Samsung Electro-Mechanics Co., Ltd.Inventors: Dae Seok JANG, Yoo Hwan KIM, Hyun Hwan YOO, Yoo Sam NA, Jong Myeong KIM, Hyun Jin YOO
-
Publication number: 20160079843Abstract: A voltage dropping apparatus may include: a voltage dropping unit receiving an input voltage, outputting the input voltage in a first mode, and dropping a level of the input voltage in a second mode; a voltage output unit connected to the voltage dropping unit, receiving and outputting the input voltage in the first mode, and receiving and outputting the dropped voltage in the second mode; and a control unit receiving a mode signal and controlling a mode change of the voltage dropping unit and the voltage output unit based on a value of the mode signal.Type: ApplicationFiled: March 17, 2015Publication date: March 17, 2016Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Hyun Hwan YOO, Jong Myeong KIM, Yoo Hwan KIM, Yoo Sam NA, Dae Seok JANG, Hyun Jin YOO
-
Publication number: 20160062376Abstract: A low-drop-output type voltage regulator may include an error amplifier providing a gate signal depending on a voltage difference between a reference voltage and a feedback voltage, a semiconductor switch adjusting a current between an input terminal receiving a battery voltage and a ground, in response to the gate signal, a feedback circuit dividing and detecting a detection voltage in a detection node between the semiconductor switch and the ground and providing the feedback voltage, a voltage sensor sensing the battery voltage, and a feedback voltage controller adjusting a level of the feedback voltage depending on the sensed battery voltage.Type: ApplicationFiled: March 27, 2015Publication date: March 3, 2016Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Yoo Hwan KIM, Jong Myeong KIM, Hyun Hwan YOO, Yoo Sam NA, Dae Seok JANG, Hyun Jin YOO
-
Publication number: 20160049931Abstract: A radio frequency switch circuit may include: a first switch circuit unit connected between a first signal port for transmitting and receiving a signal and a common connection node and operated by a first gate signal; a second switch circuit unit connected between a second signal port for transmitting and receiving a signal and the common connection node and operated by a second gate signal; a first shunt circuit unit including first and second shunt units connected to each other in series between a first connection node connected to the first signal port and a ground, the first shunt unit being operated by the first gate signal and the second shunt unit being operated by the second gate signal; and a second shunt circuit unit connected between a second connection node connected to the second signal port and the ground and operated by the first gate signal.Type: ApplicationFiled: January 29, 2015Publication date: February 18, 2016Inventors: Yoo Sam NA, Jong Myeong KIM, Yoo Hwan KIM, Hyun Hwan YOO, Dae Seok JANG, Hyun Jin YOO
-
Patent number: 9231780Abstract: A radio frequency (RF) switching circuit may include: a first switching circuit unit connected between a first signal port for signal transmission and reception and a common connection node connected to an antenna port and operated according to a first gate signal; a second switching circuit unit connected between a second signal port for signal transmission and reception and the common connection node and operated according to a second gate signal; a negative voltage generating unit generating a negative voltage using a voltage of an RF signal from the common connection node; and a gate signal generating unit generating the first and second gate signals using the negative voltage from the negative voltage generating unit and an operating voltage.Type: GrantFiled: August 18, 2014Date of Patent: January 5, 2016Assignee: Samsung Electro-Mechanics Co., Ltd.Inventors: Hyun Jin Yoo, Hyun Hwan Yoo, Yoo Hwan Kim, Jong Myeong Kim, Dae Seok Jang, Yoo Sam Na
-
Publication number: 20150214931Abstract: A radio frequency (RF) switching circuit may include: a first switching circuit unit connected between a first signal port for signal transmission and reception and a common connection node connected to an antenna port and operated according to a first gate signal; a second switching circuit unit connected between a second signal port for signal transmission and reception and the common connection node and operated according to a second gate signal; a negative voltage generating unit generating a negative voltage using a voltage of an RF signal from the common connection node; and a gate signal generating unit generating the first and second gate signals using the negative voltage from the negative voltage generating unit and an operating voltage.Type: ApplicationFiled: August 18, 2014Publication date: July 30, 2015Inventors: Hyun Jin YOO, Hyun Hwan YOO, Yoo Hwan KIM, Jong Myeong KIM, Dae Seok JANG, Yoo Sam NA
-
Patent number: 8914062Abstract: There is provided a dual communications network base station apparatus including: a first UTRA network transmitting and receiving first data including pairs information via a previously set first communications band; a second UTRA network transmitting and receiving second data including the pairs information via a second communications band different from the first communications band; a core network combining the first data and the second data by using the pairs information during wireless reception, dividing the first data and the second data including the pairs information according to a previously set division rate during wireless transmission, and providing the corresponding UTRA network with the divided first data and second data; and a server communicating data including the first and second data with the core network.Type: GrantFiled: December 10, 2012Date of Patent: December 16, 2014Assignee: Samsung Electro-Mechanics Co., Ltd.Inventors: Chul Hwan Yoon, Seong Geun Kim, Ju Young Park, Sung Jae Yoon, Dae Seok Jang, Sang Wook Park
-
Patent number: 8838050Abstract: Disclosed herein is a power amplifier for time division multiple access. The power amplifier for time division multiple access includes: power amplifiers power-amplifying input transmission signals and outputting the amplified signals; a power control unit using a time division multiple access type to control amplification of the power amplifiers; a switching unit formed at output terminals of the power amplifiers and the power control unit and outputting the amplified signals to an antenna based on a switching pass determined by the power control unit; and a timing control unit formed at an input terminal of the power control unit and determining turn-on time of a second signal by a level of an output signal generated by comparing a first signal with reference voltage.Type: GrantFiled: August 31, 2012Date of Patent: September 16, 2014Assignee: Samsung Electro-Mechanics Co., Ltd.Inventors: Dae Seok Jang, Youn Suk Kim, Ki Joong Kim, Sung Jae Yoon, Chul Hwan Yoon
-
Publication number: 20140221041Abstract: There are provided a dual mode communications device and a method of improving a data rate thereof. The dual mode communications device according to the embodiment of the present invention may include a selection unit 100 connecting antenna terminals to receive terminals or transmit terminals, a receive path circuit unit allowing RF receive signals from each of the first and second antennas to pass therethrough, a transmit path circuit unit providing RF transmit signals to the transmit terminals of the selection unit, an RF circuit unit converting the RF receive signals from the receive path circuit unit into baseband signals and converting the baseband signals to be transmitted into the RF transmit signals, and a baseband circuit unit performing control and signal processing of the selection unit in a single communications mode among a dual mode and a single mode.Type: ApplicationFiled: April 3, 2014Publication date: August 7, 2014Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Chul Hwan YOON, Seong Geun KIM, Youn Suk KIM, Sung Jae YOON, Jae Hyouck CHOI, Dae Seok JANG, Sang Wook PARK
-
Patent number: 8718705Abstract: There are provided a dual mode communications device and a method of improving a data rate thereof. The dual mode communications device according to the embodiment of the present invention may include a selection unit 100 connecting antenna terminals to receive terminals or transmit terminals, a receive path circuit unit allowing RF receive signals from each of the first and second antennas to pass therethrough, a transmit path circuit unit providing RF transmit signals to the transmit terminals of the selection unit, an RF circuit unit converting the RF receive signals from the receive path circuit unit into baseband signals and converting the baseband signals to be transmitted into the RF transmit signals, and a baseband circuit unit performing control and signal processing of the selection unit in a single communications mode among a dual mode and a single mode.Type: GrantFiled: December 20, 2011Date of Patent: May 6, 2014Assignee: Samsung Electro-Mechanics Co., Ltd.Inventors: Chul Hwan Yoon, Seong Geun Kim, Youn Suk Kim, Sung Jae Yoon, Jae Hyouck Choi, Dae Seok Jang, Sang Wook Park
-
Patent number: 8416545Abstract: Disclosed is a power amplifier module with a shared ESD protection circuit. There is provided a power amplifier module including: an ESD protection circuit that is connected to an output terminal of the LDO part, an output conductive wire pad that outputs the operating power of the LDO part; a printed conductive wire pad that is electrically connected to the output conductive wire pad of the PA controller; a first power coupler that includes a first primary side conductive wire electrically connected to the printer conductive wire pad; a second power coupler that includes a second primary side conductive wire electrically connected to the printer conductive wire pad; a first PA part; and a second PA part, wherein each of the first PA part and the second PA part is protected from ESD by the ESD protection circuit.Type: GrantFiled: July 6, 2011Date of Patent: April 9, 2013Assignee: Samsung Electro-Mechanics Co., Ltd.Inventors: Ki Joong Kim, Youn Suk Kim, Dae Seok Jang, Young Jean Song, Jun Goo Won