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1. 发明授权

US09755702B2 Method of operating near field communication (NFC) device and NFC device 有权
公开(公告)号：US09755702B2
公开(公告)日：2017-09-05
申请号：US14803590
申请日：2015-07-20
申请人： Jong-Pil Cho , Il-Jong Song , Byeong-Hoon Lee
发明人： Jong-Pil Cho , Il-Jong Song , Byeong-Hoon Lee
IPC分类号： H04B5/00 , H04W52/18 , H04W52/48
CPC分类号： H04B5/0062 , H04B5/0031
摘要： A method of operating a near field communication (NFC) device includes receiving, by the NFC device, a first signal from an NFC reader, transmitting, by the NFC device, a response to the first signal to the NFC reader and changing selectively, by the NFC device, a radio frequency (RF) configuration parameter associated with signal transmission operation during a signal transmission interval, based on determining whether the NFC reader recognizes the response.

2. 发明授权

US08944334B2 Internal voltage generating circuit and smart card 有权
标题翻译：内部电压发生电路和智能卡
公开(公告)号：US08944334B2
公开(公告)日：2015-02-03
申请号：US13523518
申请日：2012-06-14
申请人： Jong-pil Cho , Il-jong Song , Sang-hyo Lee
发明人： Jong-pil Cho , Il-jong Song , Sang-hyo Lee
IPC分类号： G06K19/06 , G06K19/07 , G06K19/077 , G05F1/56
CPC分类号： G06K19/0715 , G05F1/56 , G06K19/0723 , G06K19/07769
摘要： An internal voltage generating circuit includes a first voltage application unit, a second voltage application unit, a first regulator, a second regulator, and a controller. The first and second voltage application units respectively provide a first voltage and a second voltage. The controller generates a bulk voltage, a first control signal, and a second control signal from the first and second voltages. The first regulator is enabled or disabled according to the first control signal and generates and outputs the first internal voltage based on the bulk voltage, the first voltage, and a first reference voltage. The second regulator is enabled or disabled according to the second control signal and generates and outputs the second internal voltage based on the bulk voltage, the second voltage, and a second reference voltage.
摘要翻译：内部电压产生电路包括第一电压施加单元，第二电压施加单元，第一调节器，第二调节器和控制器。第一和第二电压施加单元分别提供第一电压和第二电压。控制器从第一和第二电压产生体电压，第一控制信号和第二控制信号。第一调节器根据第一控制信号被使能或禁止，并且基于体电压，第一电压和第一参考电压产生并输出第一内部电压。第二调节器根据第二控制信号被使能或禁止，并且基于体电压，第二电压和第二参考电压产生并输出第二内部电压。

3. 发明授权

US08891270B2 Voltage adjusting circuit and contactless card and contactless card system which include the same 有权
标题翻译：电压调节电路和非接触式卡和非接触式卡系统，包括相同的
公开(公告)号：US08891270B2
公开(公告)日：2014-11-18
申请号：US13437354
申请日：2012-04-02
申请人： Il Jong Song , Jong Pil Cho
发明人： Il Jong Song , Jong Pil Cho
IPC分类号： H02M7/00 , H02M7/08 , H02M7/06 , H02J5/00
CPC分类号： H02J50/12 , H02J5/005 , H02M7/06 , H02M7/066 , Y10T307/406
摘要： A voltage adjusting circuit includes an inducing circuit configured to induce a voltage from electromagnetic waves, a first rectifying circuit configured to rectify an output signal of the inducing circuit, a second rectifying circuit configured to rectify the output signal of the inducing circuit, a first regulator configured to regulate an output signal of the first rectifying circuit, and a second regulator configured to regulate an output signal of the second rectifying circuit.
摘要翻译：电压调节电路包括：感应电路，其被配置为从电磁波感应电压;第一整流电路，被配置为对感应电路的输出信号进行整流;第二整流电路，被配置为对感应电路的输出信号进行整流;第一调节器被配置为调节第一整流电路的输出信号，以及第二调节器，被配置为调节第二整流电路的输出信号。

4. 发明申请

US20120250377A1 VOLTAGE ADJUSTING CIRCUIT AND CONTACTLESS CARD AND CONTACTLESS CARD SYSTEM WHICH INCLUDE THE SAME 有权
标题翻译：电压调节电路和连接卡及其相连卡片系统
公开(公告)号：US20120250377A1
公开(公告)日：2012-10-04
申请号：US13437354
申请日：2012-04-02
申请人： Il Jong SONG , Jong Pil Cho
发明人： Il Jong SONG , Jong Pil Cho
IPC分类号： H02J17/00 , H02M7/06
CPC分类号： H02J50/12 , H02J5/005 , H02M7/06 , H02M7/066 , Y10T307/406
摘要： A voltage adjusting circuit includes an inducing circuit configured to induce a voltage from electromagnetic waves, a first rectifying circuit configured to rectify an output signal of the inducing circuit, a second rectifying circuit configured to rectify the output signal of the inducing circuit, a first regulator configured to regulate an output signal of the first rectifying circuit, and a second regulator configured to regulate an output signal of the second rectifying circuit.
摘要翻译：电压调节电路包括：感应电路，其被配置为从电磁波感应电压;第一整流电路，被配置为对感应电路的输出信号进行整流;第二整流电路，被配置为对感应电路的输出信号进行整流;第一调节器被配置为调节第一整流电路的输出信号，以及第二调节器，被配置为调节第二整流电路的输出信号。

5. 发明授权

US09634674B2 Semiconductor device 有权
公开(公告)号：US09634674B2
公开(公告)日：2017-04-25
申请号：US14837731
申请日：2015-08-27
申请人： Jong-Pil Cho , Young-Joo Lee
发明人： Jong-Pil Cho , Young-Joo Lee
IPC分类号： H03L7/087 , H04B5/00 , H03L7/08 , H03L7/081 , H03L7/18 , H03L7/23 , H04L7/00
CPC分类号： H03L7/087 , H03L7/0805 , H03L7/0814 , H03L7/18 , H03L7/23 , H04B5/0025 , H04B5/0031 , H04B5/0056 , H04L7/0008
摘要： A semiconductor device including a PLL providing candidate clocks of different phases in response to a first clock received from a reader via an antenna, a phase difference detector detecting a phase difference between the first clock and a clock from the candidate clocks, a phase difference controller that selects another clock from the candidate clocks, and a driver that provides transmission data synchronously with the another clock to the reader.

6. 发明授权

US09596003B2 Near field communication devices, systems, and methods using Q factor adjustments 有权
标题翻译：近场通信设备，系统和使用Q因子调整的方法
公开(公告)号：US09596003B2
公开(公告)日：2017-03-14
申请号：US14199346
申请日：2014-03-06
申请人： Jong-Pil Cho , Il-Jong Song
发明人： Jong-Pil Cho , Il-Jong Song
IPC分类号： H04B5/00 , H01Q1/22 , G06K7/10 , G06K19/07
CPC分类号： H04B5/0031 , G06K7/10148 , G06K7/10237 , G06K19/0726 , H01Q1/2225 , H04B5/00 , H04B5/0056
摘要： An NFC (near field communication) device can include a resonance unit and an NFC chip. The resonance unit may communicate with an external device through an electromagnetic wave. The NFC chip can provide output data to the resonance unit, receive input data from the resonance unit, and can reduce a Q factor (quality factor) of the resonance unit when a signal receive operation is performed in a card mode, and can maintain the Q factor of the resonance unit in a reader mode and when a signal transmit operation is performed in the card mode.
摘要翻译： NFC（近场通信）设备可以包括谐振单元和NFC芯片。谐振单元可以通过电磁波与外部设备通信。 NFC芯片可以向谐振单元提供输出数据，从谐振单元接收输入数据，并且可以在以卡模式执行信号接收操作时降低谐振单元的Q因子（品质因数），并且可以维持读取器模式下的谐振单元的Q因子和在卡模式下执行信号发送操作时。

7. 发明申请

US20130223116A1 CONTACTLESS CARD CLAMP CIRCUITS THAT COMPENSATE FOR REGULATOR REFERENCE VOLTAGE FLUCTUATIONS 有权
标题翻译：对于调节器参考电压波动补偿的接触卡钳位电路
公开(公告)号：US20130223116A1
公开(公告)日：2013-08-29
申请号：US13612898
申请日：2012-09-13
申请人： Jong Pil Cho , II Jong Song , Sang Hyo Lee
发明人： Jong Pil Cho , II Jong Song , Sang Hyo Lee
IPC分类号： H02M7/217 , H03L5/00
CPC分类号： G06K19/0715 , G06K19/0723
摘要： A contactless card includes an inductive circuit configured to send and receive signals, a rectifier circuit coupled to the inductive circuit and configured to generate a DC voltage from an AC voltage generated by the inductive circuit, a clamp circuit configured to limit the DC voltage, a regulator circuit configured to regulate the DC voltage and a control circuit configured to selectively enable and disable the clamp circuit and the regulator circuit.
摘要翻译：非接触式卡包括被配置为发送和接收信号的感应电路，整流电路，耦合到感应电路并且被配置为从由感应电路产生的AC电压产生DC电压，被配置为限制DC电压的钳位电路配置成调节DC电压的调节器电路和被配置为选择性地启用和禁用钳位电路和调节器电路的控制电路。

8. 发明申请

US20120318875A1 INTERNAL VOLTAGE GENERATING CIRCUIT AND SMART CARD 有权
标题翻译：内部电压产生电路和智能卡
公开(公告)号：US20120318875A1
公开(公告)日：2012-12-20
申请号：US13523518
申请日：2012-06-14
申请人： Jong-pil Cho , Il-jong Song , Sang-hyo Lee
发明人： Jong-pil Cho , Il-jong Song , Sang-hyo Lee
IPC分类号： G05F3/02 , G06K19/073
CPC分类号： G06K19/0715 , G05F1/56 , G06K19/0723 , G06K19/07769
摘要： An internal voltage generating circuit includes a first voltage application unit, a second voltage application unit, a first regulator, a second regulator, and a controller. The first and second voltage application units respectively provide a first voltage and a second voltage. The controller generates a bulk voltage, a first control signal, and a second control signal from the first and second voltages. The first regulator is enabled or disabled according to the first control signal and generates and outputs the first internal voltage based on the bulk voltage, the first voltage, and a first reference voltage. The second regulator is enabled or disabled according to the second control signal and generates and outputs the second internal voltage based on the bulk voltage, the second voltage, and a second reference voltage.
摘要翻译：内部电压产生电路包括第一电压施加单元，第二电压施加单元，第一调节器，第二调节器和控制器。第一和第二电压施加单元分别提供第一电压和第二电压。控制器从第一和第二电压产生体电压，第一控制信号和第二控制信号。第一调节器根据第一控制信号被使能或禁止，并且基于体电压，第一电压和第一参考电压产生并输出第一内部电压。第二调节器根据第二控制信号被使能或禁止，并且基于体电压，第二电压和第二参考电压产生并输出第二内部电压。

9. 发明授权

US08085019B2 Device for generating internal power supply voltage and method thereof 失效
标题翻译：用于产生内部电源电压的装置及其方法
公开(公告)号：US08085019B2
公开(公告)日：2011-12-27
申请号：US11976006
申请日：2007-10-19
申请人： Jong-Pil Cho , Chan-Yong Kim
发明人： Jong-Pil Cho , Chan-Yong Kim
IPC分类号： G05F1/56
CPC分类号： G05F1/56 , G05F3/16 , G05F3/30 , Y10S323/901
摘要： Example embodiments relate to an internal power supply voltage generating device. The internal power supply voltage generating device may include a start-up voltage generating part, a reference voltage generating part, and/or an internal power supply voltage generating part. The start-up voltage generating part may be configured to generate a start-up voltage using an external power supply voltage. The reference voltage generating part may be configured to generate a reference voltage using the start-up voltage. The internal power supply voltage generating part may be configured to generate an internal power supply voltage using the reference voltage and the external power supply voltage. The start-up voltage generating part may be turned off by the reference voltage generated by the reference voltage generating part. Example embodiments also relate to a method of generating an internal power supply voltage.
摘要翻译：示例性实施例涉及内部电源电压产生装置。内部电源电压产生装置可以包括启动电压产生部分，参考电压产生部分和/或内部电源电压产生部分。启动电压产生部件可以被配置为使用外部电源电压产生启动电压。参考电压产生部件可以被配置为使用启动电压来产生参考电压。内部电源电压产生部件可以被配置为使用参考电压和外部电源电压来产生内部电源电压。启动电压产生部分可以由参考电压产生部分产生的参考电压关断。示例性实施例还涉及产生内部电源电压的方法。

10. 发明申请

US20080186003A1 Device for generating internal power supply voltage and method thereof 失效
标题翻译：用于产生内部电源电压的装置及其方法
公开(公告)号：US20080186003A1
公开(公告)日：2008-08-07
申请号：US11976006
申请日：2007-10-19
申请人： Jong-Pil Cho , Chan-Yong Kim
发明人： Jong-Pil Cho , Chan-Yong Kim
IPC分类号： G05F1/00 , G05F3/00
CPC分类号： G05F1/56 , G05F3/16 , G05F3/30 , Y10S323/901
摘要： Example embodiments relate to an internal power supply voltage generating device. The internal power supply voltage generating device may include a start-up voltage generating part, a reference voltage generating part, and/or an internal power supply voltage generating part. The start-up voltage generating part may be configured to generate a start-up voltage using an external power supply voltage. The reference voltage generating part may be configured to generate a reference voltage using the start-up voltage. The internal power supply voltage generating part may be configured to generate an internal power supply voltage using the reference voltage and the external power supply voltage. The start-up voltage generating part may be turned off by the reference voltage generated by the reference voltage generating part. Example embodiments also relate to a method of generating an internal power supply voltage.
摘要翻译：示例性实施例涉及内部电源电压产生装置。内部电源电压产生装置可以包括启动电压产生部分，参考电压产生部分和/或内部电源电压产生部分。启动电压产生部件可以被配置为使用外部电源电压产生启动电压。参考电压产生部件可以被配置为使用启动电压来产生参考电压。内部电源电压产生部件可以被配置为使用参考电压和外部电源电压来产生内部电源电压。启动电压产生部分可以由参考电压产生部分产生的参考电压关断。示例性实施例还涉及产生内部电源电压的方法。

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