Patents by Inventor Ki Joong Kim
Ki Joong Kim 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: 8912865Abstract: There are provided a power combiner implemented by a printed circuit board, a power amplifying module having the same, and a signal transceiving module.Type: GrantFiled: August 29, 2011Date of Patent: December 16, 2014Assignee: Samsung Electro-Mechanics Co., Ltd.Inventors: Ki Joong Kim, Youn Suk Kim, Jun Goo Won, Jae Hyouck Choi, Sang Wook Park, Chul Hwan Yoon
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Patent number: 8884698Abstract: Disclosed herein is a transformer including: a primary coil formed of a first conductor having a predetermined length and including a first end and second end for receiving a signal, wherein the first conductor is formed as a first loop; and a secondary coil that is coupled to the primary coil in an electromagnetic coupling, and is formed of a second conductor having a predetermined length and including a first end and a second end for outputting a signal, wherein the second conductor is formed as a second loop, wherein the primary coil and the secondary coil are stacked while crossing each other. Accordingly, power transformer efficiency may be increased.Type: GrantFiled: May 24, 2012Date of Patent: November 11, 2014Assignee: Samsung Electro-Mechanics Co., Ltd.Inventors: Youn Suk Kim, Ki Joong Kim, Jun Goo Won
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Patent number: 8884338Abstract: A semiconductor integrated-circuit device is disclosed. The semiconductor integrated-circuit device uses a filter, which includes a standard capacitor, as a standard cell connecting a memory cell with a logic cell. As such, the semiconductor integrated-circuit device can minimize a glitch phenomenon of power/ground voltages and provide stability of power/ground voltages.Type: GrantFiled: September 11, 2009Date of Patent: November 11, 2014Assignee: LG Display Co., Ltd.Inventor: Ki Joong Kim
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Patent number: 8854142Abstract: There are provided a bias circuit supplying different levels of bias power according to respective power modes through a simple circuit configuration, and a power amplifier having the same. The bias circuit includes: a bias setting unit setting a bias power voltage level by switching reference power having a pre-set voltage level determined according to a pre-set power mode; and a bias supply unit including a switching element performing switching according to the setting of the bias setting unit and supplying bias power having a voltage level determined according to a switching operation of the switching element.Type: GrantFiled: August 2, 2012Date of Patent: October 7, 2014Assignee: Samsung Electro-Mechanics Co., Ltd.Inventors: Shinichi Iizuka, Youn Suk Kim, Jun Goo Won, Myeong Woo Han, Young Jean Song, Ju Young Park, Ki Joong Kim
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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
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Publication number: 20140240049Abstract: There are provided a bias circuit and an amplifier controlling a bias voltage, the bias circuit and the amplifier including a control voltage generating unit generating a control voltage using a reference voltage, a bias voltage generating unit generating a bias voltage according to the control voltage, and a voltage drop unit dropping the bias voltage from the bias voltage generating unit to a base voltage so as to provide the base voltage to an amplifying unit, wherein the control voltage generating unit controls the control voltage according to an amplitude of a high-frequency signal input to the amplifying unit.Type: ApplicationFiled: July 25, 2013Publication date: August 28, 2014Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Jun Goo WON, Ki Joong KIM, Myeong Woo HAN, Shinichi IIZUKA, Ju Young PARK, Youn Suk KIM
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Publication number: 20140232459Abstract: There are provided a bias circuit and an amplifier having a current limit function, including: a control voltage generating unit generating a control voltage using a reference voltage; a bias voltage generating unit generating a bias voltage according to the control voltage; and a bias current limit unit controlling the control voltage according to a bias current of the bias voltage generating unit.Type: ApplicationFiled: July 10, 2013Publication date: August 21, 2014Inventors: Shinichi IIZUKA, Young Jean SONG, Ki Joong KIM, Myeong Woo HAN, Ju Young PARK, Youn Suk KIM, Jun Goo WON
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Publication number: 20140177493Abstract: There are provided a power amplifying circuit and a front end module including the same. The power amplifying circuit includes a signal amplifying unit amplifying and outputting a plurality of wireless signals having different frequency bands, and a diplexer circuit transferring at least one of the plurality of wireless signals output from the signal amplifying unit to an antenna, wherein the signal amplifying unit and the diplexer circuit include impedance matching circuits having different impedance matching ranges, respectively, and the impedance matching range of the diplexer circuit is continuous with that of the signal amplifying unit.Type: ApplicationFiled: February 26, 2013Publication date: June 26, 2014Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Ki Joong KIM, Nam Heung KIM, Young Jean SONG, Myeong Woo HAN, Jun Goo WON, Shinichi IIZUKA, Youn Suk KIM
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Publication number: 20140176392Abstract: There are provided an antenna and a front end module having an air cavity formed therein and shortening a connection distance with a signal processing module to improve radiation characteristics and facilitate a manufacturing process thereof, the antenna including a substrate having a preset mounting surface, an antenna pattern part formed on the mounting surface of the substrate and transmitting and receiving a signal within a preset frequency band, and a solder ball group having a plurality of solder balls formed on the mounting surface of the substrate to fix the substrate to an external circuit board and disposed at preset intervals around the antenna pattern part to form an air cavity.Type: ApplicationFiled: February 26, 2013Publication date: June 26, 2014Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Myeong Woo HAN, Young Jean SONG, Jun Goo WON, Shinichi IIZUKA, Youn Suk KIM, Ki Joong KIM
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Publication number: 20140167884Abstract: There are provided a series inductor array implemented as a single winding capable of decreasing a layout area for providing a plurality of inductors, and a filter including the same, the series inductor array including a winding structure having both ends, and one or more terminal parts electrically connected to a region between the both ends of the winding structure to form an external electrical connection, wherein the winding structure has a structure in which a plurality of inductors having inductance formed in regions of the winding structure disposed between the both ends thereof and the terminal parts or between the terminal parts are connected in series.Type: ApplicationFiled: February 27, 2013Publication date: June 19, 2014Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Young Jean SONG, Ki Joong KIM, Myeong Woo HAN, Shinichi IIZUKA, Ju Young PARK, Youn Suk KIM, Jun Goo WON
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Publication number: 20140162579Abstract: There is provided a front end module, including an amplification circuit unit amplifying signal, a multistage matching circuit unit connected to an output terminal of the amplification circuit unit, and a switch circuit unit connected to the multistage matching circuit unit, wherein the switch circuit unit includes a series switch circuit and a parallel switch circuit, the parallel switch circuit being connected to a node between a plurality of matching circuits included in the multistage matching circuit unit.Type: ApplicationFiled: February 19, 2013Publication date: June 12, 2014Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Myeong Woo Han, Youn Suk Kim, Shinichi Iizuka, Ju Young Park, Ki Joong Kim, Young Jean Song, Jun Goo Won
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Publication number: 20140146425Abstract: There is provided a radio frequency input circuit including a first direct current blocking unit provided between an input terminal and an input circuit unit and blocking a direct current voltage introduced through the input terminal, a first ESD protection circuit unit provided in parallel with the first direct current blocking unit and forming a bypass path according to an ESD voltage introduced through the input terminal, and a ground circuit unit provided between a first connection node between the first direct current blocking unit and the input circuit unit, and a ground, and forming a ground path according to the ESD voltage.Type: ApplicationFiled: February 11, 2013Publication date: May 29, 2014Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Youn Suk Kim, Myeong Woo Han, Jun Goo Won, Shinichi Iizuka, Young Jean Song, Ki Joong Kim
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Publication number: 20140139291Abstract: There is provided a power amplifier including a bias circuit unit generating a bias voltage of an amplifying unit, a voltage drop unit disposed between the bias circuit unit and the amplifying unit to drop the bias voltage to a base voltage, and a bypass circuit unit including an impedance element connected to the voltage drop unit in parallel and performing a switching operation according to a magnitude of an input signal.Type: ApplicationFiled: February 11, 2013Publication date: May 22, 2014Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Jun Goo WON, Youn Suk KIM, Young Jean SONG, Ki Joong KIM, Myeong Woo HAN, Shinichi IIZUKA, Ju Young PARK
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Patent number: 8629724Abstract: There is provided a power amplifier which may suppress fluctuations in a phase of an output signal in accordance with fluctuations in a level of an input signal by varying an impedance between a signal input terminal and an amplification unit in accordance with a power level of an input signal. The power amplifier includes a bias voltage generation unit generating a bias voltage set in accordance with a power level of an input signal, an amplification unit amplifying the power level of the input signal in accordance with the bias voltage, and an impedance variation unit varying an impedance of a signal transmission path through which the input signal is transmitted to the amplification unit in accordance with the bias voltage.Type: GrantFiled: January 31, 2012Date of Patent: January 14, 2014Assignee: Samsung Electro-Mechanics Co., Ltd.Inventors: Youn Suk Kim, Jun Goo Won, Shinichi Iizuka, Ki Joong Kim
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Publication number: 20130321086Abstract: There are provided a bias circuit supplying different levels of bias power according to respective power modes through a simple circuit configuration, and a power amplifier having the same. The bias circuit includes: a bias setting unit setting a bias power voltage level by switching reference power having a pre-set voltage level determined according to a pre-set power mode; and a bias supply unit including a switching element performing switching according to the setting of the bias setting unit and supplying bias power having a voltage level determined according to a switching operation of the switching element.Type: ApplicationFiled: August 2, 2012Publication date: December 5, 2013Inventors: Shinichi IIZUKA, Youn Suk Kim, Jun Goo Won, Myeong Woo Han, Young Jean Song, Ju Young Park, Ki Joong Kim
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Patent number: 8559620Abstract: There is provided a communications circuit for reducing crosstalk.Type: GrantFiled: July 7, 2011Date of Patent: October 15, 2013Assignee: Samsung Electro-Mechanics Co., Ltd.Inventors: Jun Goo Won, Youn Suk Kim, Ki Joong Kim, Jae Hyouck Choi, Young Jean Song
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Patent number: 8536969Abstract: A transformer having a structure in which first and second substrates are vertically laminated, including: a plurality of input conductive lines disposed on the first substrate along a circumference thereof; a single output conductive line disposed co-planarly with the plurality of input conductive lines, and having one end connected to a ground; and an air bridge including a pair of conductive via holes formed in any one conductive line in an overlapped area in which the input and output conductive lines are intersected with each other to penetrate through the first substrate and a single piece of conductive line connecting the pair of conductive via holes to each other and disposed on the second substrate, thereby preventing a short-circuit between the input and output conductive lines.Type: GrantFiled: September 13, 2011Date of Patent: September 17, 2013Assignee: Samsung Electro-Mechanics Co., Ltd.Inventors: Joong Jin Nam, Chul Hwan Yoon, Ki Joong Kim, Ju Young Park, Jun Goo Won, Youn Suk Kim
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Publication number: 20130207728Abstract: There is provided an amplifier circuit. The amplifier circuit includes an amplifying unit including at least one transistor; at least one first bias circuit unit including a resistor and connected to the at least one transistor; and at least one second bias circuit unit connected between an input terminal to which an input signal is applied and the at least one transistor so as to block an input signal having a frequency higher than a first frequency or having a frequency lower than a second frequency. The amplifier circuit according to embodiment of the present invention may prevent thermal runaway, remove a harmonic component from an input signal to be amplified and suppress oscillations.Type: ApplicationFiled: April 20, 2012Publication date: August 15, 2013Inventors: Young Jean SONG, Jun Goo Won, Youn Suk Kim, Shinichi Iizuka, Ju Young Park, Ki Joong Kim
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Publication number: 20130127540Abstract: There is provided a power amplifier which may suppress fluctuations in a phase of an output signal in accordance with fluctuations in a level of an input signal by varying an impedance between a signal input terminal and an amplification unit in accordance with a power level of an input signal. The power amplifier includes a bias voltage generation unit generating a bias voltage set in accordance with a power level of an input signal, an amplification unit amplifying the power level of the input signal in accordance with the bias voltage, and an impedance variation unit varying an impedance of a signal transmission path through which the input signal is transmitted to the amplification unit in accordance with the bias voltage.Type: ApplicationFiled: January 31, 2012Publication date: May 23, 2013Inventors: Youn Suk KIM, Jun Goo WON, Shinichi IIZUKA, Ki Joong KIM
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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