-
公开(公告)号：US10855176B1
公开(公告)日：2020-12-01
申请号：US16536601
申请日：2019-08-09
Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
Inventor： Byeong Hak Jo , Hyun Paek , Jeong Hoon Kim , Sol A Kim , Jong Mo Lim
IPC: H02M3/07
Abstract: A negative voltage generation circuit includes a clock generation circuit configured to generate a first clock signal, a first voltage control circuit configured to vary a first resistance value based on a magnitude of a power supply voltage and further configured to control a magnitude of a voltage in a first charge node, based on the varied first resistance value, and a first charge pump circuit configured to charge a voltage, controlled by the first voltage control circuit, in a charge mode, based on the first clock signal, and further configured to output a first voltage, generated by the charging, as a first negative voltage.
-
公开(公告)号：US10566898B1
公开(公告)日：2020-02-18
申请号：US16438602
申请日：2019-06-12
Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
Inventor： Hyun Paek , Byeong Hak Jo
Abstract: A negative voltage circuit comprises an inverter circuit that performs a charging operation and a discharging operation, a first dual current circuit supplying a first current for a charging operation of the inverter circuit based on a start-up mode, and a second current for the charging operation of the inverter circuit based on a normal operating mode, a second dual current circuit supplying a third current for a discharging operation of the inverter circuit based on the start-up mode, and a fourth current for the discharging operation of the inverter circuit based on the normal operating mode, a load switching circuit that connects an output node of the inverter circuit to one of an output terminal of a negative voltage circuit and the second operating voltage terminal, and a load capacitor circuit connected between the output terminal and a ground to stabilize a negative voltage at the output terminal.
-
公开(公告)号：US10374557B2
公开(公告)日：2019-08-06
申请号：US15719843
申请日：2017-09-29
Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
Inventor： Byeong Hak Jo , Jong Ok Ha , Jeong Hoon Kim , Youn Suk Kim
Abstract: A power amplifier apparatus, includes an envelope tracking (ET) current bias circuit configured to generate a first ET bias current by calculating a direct current DC, based on a reference voltage, and an ET current, based on an ET voltage, according to an envelope of an input signal; and a power amplifier circuit having a bipolar junction transistor supplied with the first ET bias current and a power voltage to amplify the input signal, wherein an average current of the first ET bias current is controlled to be substantially constant.
-
公开(公告)号：US10158331B2
公开(公告)日：2018-12-18
申请号：US15794431
申请日：2017-10-26
Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
Inventor： Byeong Hak Jo , Jeong Hoon Kim , Hyun Paek , Jong Ok Ha
Abstract: A power amplifying apparatus includes a control circuit generating a bias voltage and generating a control signal using a battery voltage and a reference voltage, and a power amplifying circuit boosting the battery voltage according to the control signal to provide an operating voltage, and operating according to the bias voltage and the operating voltage to amplify an input signal, wherein the power amplifying circuit detects the operating voltage and provides a detection voltage to the control circuit, and the control circuit controls the control signal according to the detection voltage.
-
5.发明授权公开(公告)号：US09389740B2
公开(公告)日：2016-07-12
申请号：US14314867
申请日：2014-06-25
Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
Inventor： Byeong Hak Jo , Moon Suk Jeong , Yong Il Kwon , Tah Joon Park
IPC: G06F3/044
CPC classification number: G06F3/044 , G06F2203/04108
Abstract: Disclosed herein is a touch sensing apparatus capable of supporting hover sensing, including: a plurality of capacitance-voltage converters (C-V converters) outputting different voltage values depending on a change in capacitance of each of the sensing electrodes; a plurality of integrators integrating output voltages of each of the C-V converters; a first multiplexer multiplexing outputs of the plurality of integrators; a second multiplexer multiplexing the outputs of the plurality of integrators; a first differential amplification unit for touch sensing receiving an output of the first multiplexer and an output of the second multiplexer; a second differential amplification unit for hover sensing receiving the output of the first multiplexer and the output of the second multiplexer; and a control unit sensing a touch event or a hover event, thereby removing a common noise to accurately sense both the touch event and the hover event.
Abstract translation: 这里公开了一种能够支持悬停感测的触摸感测装置，包括：多个电容电压转换器（C-V转换器），其根据每个感测电极的电容变化输出不同的电压值; 多个积分器，其对每个C-V转换器的输出电压进行积分; 第一多路复用器复用多个积分器的输出; 多路复用多个积分器的输出的第二多路复用器; 用于触摸感测的第一差分放大单元，接收第一多路复用器的输出和第二多路复用器的输出; 第二差分放大单元，用于悬停感测接收第一多路复用器的输出和第二多路复用器的输出; 以及感测触摸事件或悬停事件的控制单元，从而去除公共噪声以准确地感测触摸事件和悬停事件。
-
Patent Agency Ranking
公开(公告)号：US11121679B2
公开(公告)日：2021-09-14
申请号：US16452986
申请日：2019-06-26
Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
Inventor： Young Wong Jang , Byeong Hak Jo , Jeong Hoon Kim , Jong Ok Ha , Hyun Paek , Shinichi Iizuka
Abstract: An amplifying apparatus is provided. The amplifying apparatus comprises an amplifying circuit comprising a power amplifier and a bias circuit, the bias circuit is configured to detect an ambient temperature of the power amplifier to output a temperature voltage and regulate an internal current based on an input control signal to supply a bias current obtained by the regulation to the power amplifier; and a temperature control circuit that generates the control signal based on the temperature voltage during initial driving from a transmission mode starting point in time to an input point in time at which an input signal is input and outputting the control signal to the amplifying circuit.
-
公开(公告)号：US10903836B2
公开(公告)日：2021-01-26
申请号：US16832404
申请日：2020-03-27
Applicant: Samsung Electro-Mechanics Co., Ltd.
Inventor： Byeong Hak Jo , Yoo Sam Na , Hyun Paek , Sol A Kim , Jeong Hoon Kim , Jong Mo Lim
IPC: H04B1/04 , H04B1/44 , H03K17/687 , H03K17/693
Abstract: A radio-frequency switch includes a first series switch including a plurality of series field-effect transistors (FETs) connected in series between a first terminal and a second terminal, a first shunt switch including a plurality of shunt FETs connected in series between the first terminal and a first ground terminal, and a first shunt gate resistor circuit including a plurality of gate resistors respectively connected to gates of the plurality of shunt FETs of the first shunt switch. Respective resistance values of the plurality of gate resistors of the first shunt gate resistor circuit successively increase in a direction away from the first ground terminal toward the first terminal.
-
公开(公告)号：US10270395B2
公开(公告)日：2019-04-23
申请号：US15875463
申请日：2018-01-19
Applicant: Samsung Electro-Mechanics Co., Ltd.
Inventor： Byeong Hak Jo , Jong Ok Ha , Jeong Hoon Kim
Abstract: An envelope tracking (ET) current bias circuit comprises an envelope detection circuit detecting an ET voltage from an input signal; a first voltage/current converting circuit converting a reference voltage into a direct current (DC) current and adjusting the DC current according to a first control signal; a second voltage/current converting circuit converting the ET voltage into an ET current, adjusting the ET current according to a second control signal, and removing a DC offset current from the ET current to provide an offset compensated ET current; and an arithmetic circuit calculating levels of the offset compensated ET current and the DC current to generate an ET bias current.
-
公开(公告)号：US10200027B1
公开(公告)日：2019-02-05
申请号：US15877774
申请日：2018-01-23
Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
Inventor： Jeong Hoon Kim , Hyun Paek , Byeong Hak Jo
IPC: H03K17/687 , H03K17/16 , H04B1/40
Abstract: A radio frequency (RF) switch apparatus includes a first series switch circuit including a first series switch disposed between a first terminal and a second terminal and operating in response to a first gate signal, and a first capacitor circuit and a second capacitor circuit connected across the first series switch; a first shunt-bias circuit disposed between a first connection node between the first terminal and the first series switch, and a ground, and providing a power voltage or a ground potential to the first connection node in response to a second gate signal; and a first shunt-impedance circuit connected between the first connection node and the first shunt-bias circuit and adjusting path impedance in response to a third gate signal. Each of the first capacitor circuit and the second capacitor circuit passes an alternating current (AC) signal or blocks a direct current (DC) voltage.
-
公开(公告)号：US10110259B1
公开(公告)日：2018-10-23
申请号：US15815253
申请日：2017-11-16
Applicant: Samsung Electro-Mechanics Co., Ltd.
Inventor： Byeong Hak Jo , Jeong Hoon Kim , Hyun Paek , Young Wong Jang
Abstract: A band selection switch apparatus includes: a first switch including a first series switch disposed between a transmission input terminal and a first transmission and reception terminal; a second switch including a second series switch disposed between the transmission input terminal and a first transmission terminal; and a third switch including a third series switch disposed between a first reception output terminal and the first transmission and reception terminal. The first series switch includes a first series switch circuit including first series switch elements connected between the transmission input terminal and a first intermediate node, a second series switch circuit including second series switch elements connected between the first intermediate node and the first transmission and reception terminal, and a first shunt switch circuit including first shunt switch elements connected between the first intermediate node and a ground.
-
-
-
-
-
-
-
-
-
Search Results
39
records
(took 0.017 seconds)
