公开(公告)号：US20140049441A1

公开(公告)日：2014-02-20

申请号：US13612851

申请日：2012-09-13

Applicant: Hsien-Ku Chen ,  Chia-Jun Chang ,  Ka-Un Chan ,  Ying-Hsi Lin

Inventor： Hsien-Ku Chen ,  Chia-Jun Chang ,  Ka-Un Chan ,  Ying-Hsi Lin

IPC: H01Q1/50

CPC classification number: H01Q1/50

Abstract: A signal converting circuit includes: a first switching circuit; a second switching circuit; and a first balance-unbalance circuit (Balun) having a first signal terminal coupled to an antenna, a second signal terminal coupled to the first switching circuit, and a third signal terminal coupled to the second switching circuit; wherein when the first balance-unbalance circuit operates in a first signal converting mode, the first switching circuit and the second switching circuit are arranged to couple the second signal terminal and the third signal terminal, respectively, to a first signal processing circuit, and when the first balance-unbalance circuit does not operate in the first signal converting mode, the first switching circuit and the second switching circuit are arranged to couple the second signal terminal and the third signal terminal, respectively, to a reference voltage.

Abstract translation: 信号转换电路包括：第一开关电路; 第二开关电路; 以及第一平衡不平衡电路（Balun），其具有耦合到天线的第一信号端子，耦合到所述第一开关电路的第二信号端子和耦合到所述第二开关电路的第三信号端子; 其中当所述第一平衡不平衡电路以第一信号转换模式工作时，所述第一开关电路和所述第二开关电路分别被布置成将所述第二信号端和所述第三信号端耦合到第一信号处理电路，并且当 第一平衡不平衡电路在第一信号转换模式中不工作，第一开关电路和第二开关电路分别被布置成将第二信号端子和第三信号端子耦合到参考电压。

公开(公告)号：US20140022018A1

公开(公告)日：2014-01-23

申请号：US13615567

申请日：2012-09-13

Applicant: Hsien-Ku Chen ,  Chia-Jun Chang ,  Ka-Un Chan ,  Ying-Hsi Lin

Inventor： Hsien-Ku Chen ,  Chia-Jun Chang ,  Ka-Un Chan ,  Ying-Hsi Lin

IPC: H03G3/00

CPC classification number: H03F3/45 ,  H03F1/223 ,  H03F3/195 ,  H03F3/26 ,  H03F3/45179 ,  H03F2200/294 ,  H03F2203/45394 ,  H03F2203/45621 ,  H03F2203/45638

Abstract: An amplifier includes a transformer and a first stage gain circuit. The transformer includes a primary coil and a secondary coil. The primary coil is utilized for receiving an input signal. The first stage gain circuit has a first input port, which is coupled to the primary coil. The first stage gain circuit is utilized for gaining the input signal so as to generate a first output.

Abstract translation: 放大器包括变压器和第一级增益电路。 变压器包括初级线圈和次级线圈。 初级线圈用于接收输入信号。 第一级增益电路具有耦合到初级线圈的第一输入端口。 第一级增益电路用于获得输入信号以产生第一输出。

公开(公告)号：US20120293084A1

公开(公告)日：2012-11-22

申请号：US13468001

申请日：2012-05-09

Applicant: Shu-Min Lin ,  Jyi-Si Lo ,  Ying-Hsi Lin

Inventor： Shu-Min Lin ,  Jyi-Si Lo ,  Ying-Hsi Lin

IPC: H05B37/02

CPC classification number: H05B33/0827 ,  H05B33/0815 ,  Y02B20/347

Abstract: An operating circuit applied to a backlight is provided, where the backlight includes a plurality of lighting elements, and the operating circuit includes a plurality of current control circuits, a plurality of switches, a minimum voltage selector, a supply voltage generating circuit and a control unit. The current control circuits are coupled to the lighting elements via a plurality of nodes, respectively. The switches are coupled to the nodes, respectively. The minimum voltage selector is utilized for receiving at least a portion of voltages of the plurality of nodes, and selecting a minimum voltage among the received voltages. The supply voltage generating circuit is utilized for generating a supply voltage of the lighting elements according to the minimum voltage. For each of the switches, the control unit determines an on/off state of the switch by determining whether the corresponding lighting element is an open circuit or not.

Abstract translation: 提供了一种应用于背光源的工作电路，其中背光源包括多个照明元件，并且操作电路包括多个电流控制电路，多个开关，最小电压选择器，电源电压发生电路和控制 单元。 电流控制电路分别通过多个节点耦合到照明元件。 开关分别耦合到节点。 最小电压选择器用于接收多个节点的至少一部分电压，并且选择接收电压中的最小电压。 电源电压产生电路用于根据最小电压产生照明元件的电源电压。 对于每个开关，控制单元通过确定对应的照明元件是否是开路来确定开关的开/关状态。

公开(公告)号：US08253401B2

公开(公告)日：2012-08-28

申请号：US12557494

申请日：2009-09-10

Applicant: Ke-Horng Chen ,  Yu-Huei Lee ,  Shih-Jung Wang ,  Chun-Yu Hsieh ,  Ying-Hsi Lin

Inventor： Ke-Horng Chen ,  Yu-Huei Lee ,  Shih-Jung Wang ,  Chun-Yu Hsieh ,  Ying-Hsi Lin

IPC: G05F1/10

CPC classification number: H02M3/1588 ,  Y02B70/1466

Abstract: A voltage conversion apparatus includes a DC-to-DC conversion circuit, a sensing circuit, and a compensation circuit. The voltage conversion apparatus is capable of adaptively adjusting the system bandwidth according to the load. The system bandwidth is increased to make the converted voltage responding to the load rapidly when the voltage conversion apparatus is operated at a transient state; and the system bandwidth is decreased to increase the system stability when the voltage conversion circuit is operated at a steady state.

Abstract translation: 电压转换装置包括DC-DC转换电路，感测电路和补偿电路。 电压转换装置能够根据负载自适应地调整系统带宽。 当电压转换装置处于瞬态状态时，增加系统带宽以使转换的电压响应负载快速; 并且当电压转换电路在稳定状态下运行时，系统带宽减小以提高系统稳定性。

公开(公告)号：US09232598B2

公开(公告)日：2016-01-05

申请号：US13467048

申请日：2012-05-09

Applicant: Shu-Min Lin ,  Jyi-Si Lo ,  Ying-Hsi Lin

Inventor： Shu-Min Lin ,  Jyi-Si Lo ,  Ying-Hsi Lin

IPC: H05B37/02 ,  H05B33/08

CPC classification number: H05B33/0851

Abstract: An operating circuit applied to a backlight includes at least one current control circuit, where the current control circuit includes a transistor, an operational amplifier and a switch module. The transistor has a gate, a first electrode and a second electrode, where the first electrode is coupled to a lighting element, and the second electrode is coupled to a resistor. The operational amplifier has positive and negative input terminals, and positive and negative output terminals. The switch module switches a connection relationship between the positive input terminal, the negative input terminal, the reference voltage and the second electrode of the transistor, and switches a connection relationship between the positive output terminal, the negative output terminal and the gate of the transistor to make the close loop form a negative feedback, and the current of the lighting element not influenced by an offset voltage of the operational amplifier.

Abstract translation: 应用于背光的操作电路包括至少一个电流控制电路，其中电流控制电路包括晶体管，运算放大器和开关模块。 晶体管具有栅极，第一电极和第二电极，其中第一电极耦合到照明元件，并且第二电极耦合到电阻器。 运算放大器具有正负输入端子，正负输出端子。 开关模块切换正输入端子，负输入端子，参考电压和晶体管的第二电极之间的连接关系，并切换正输出端子，负输出端子和晶体管的栅极之间的连接关系 使闭环形成负反馈，并且照明元件的电流不受运算放大器的偏移电压的影响。

公开(公告)号：US09060399B2

公开(公告)日：2015-06-16

申请号：US13468001

申请日：2012-05-09

Applicant: Shu-Min Lin ,  Jyi-Si Lo ,  Ying-Hsi Lin

Inventor： Shu-Min Lin ,  Jyi-Si Lo ,  Ying-Hsi Lin

IPC: H05B33/08

CPC classification number: H05B33/0827 ,  H05B33/0815 ,  Y02B20/347

Abstract: An operating circuit applied to a backlight is provided, where the backlight includes a plurality of lighting elements, and the operating circuit includes a plurality of current control circuits, a plurality of switches, a minimum voltage selector, a supply voltage generating circuit and a control unit. The current control circuits are coupled to the lighting elements via a plurality of nodes, respectively. The switches are coupled to the nodes, respectively. The minimum voltage selector is utilized for receiving at least a portion of voltages of the plurality of nodes, and selecting a minimum voltage among the received voltages. The supply voltage generating circuit is utilized for generating a supply voltage of the lighting elements according to the minimum voltage. For each of the switches, the control unit determines an on/off state of the switch by determining whether the corresponding lighting element is an open circuit or not.

Abstract translation: 提供了一种应用于背光源的工作电路，其中背光源包括多个照明元件，并且操作电路包括多个电流控制电路，多个开关，最小电压选择器，电源电压发生电路和控制 单元。 电流控制电路分别通过多个节点耦合到照明元件。 开关分别耦合到节点。 最小电压选择器用于接收多个节点的至少一部分电压，并且选择接收电压中的最小电压。 电源电压产生电路用于根据最小电压产生照明元件的电源电压。 对于每个开关，控制单元通过确定对应的照明元件是否是开路来确定开关的开/关状态。

公开(公告)号：US20130278320A1

公开(公告)日：2013-10-24

申请号：US13609288

申请日：2012-09-11

Applicant: Hsien-Ku Chen ,  Chia-Jun Chang ,  Ka-Un Chan ,  Ying-Hsi Lin

Inventor： Hsien-Ku Chen ,  Chia-Jun Chang ,  Ka-Un Chan ,  Ying-Hsi Lin

IPC: G06G7/12

CPC classification number: H03D7/1441 ,  H03D7/1458

Abstract: A mixer includes a transformer and a mixing circuit. The transformer is employed for receiving an input signal to generate a differential output. The mixing circuit is coupled to the transformer, and employed for mixing the differential output with N oscillating signals having different phases to generate a plurality of mixed output signals, wherein N is greater than 2.

Abstract translation: 混合器包括变压器和混合电路。 变压器用于接收输入信号以产生差分输出。 混合电路耦合到变压器，并用于将差分输出与具有不同相位的N个振荡信号混合以产生多个混合输出信号，其中N大于2。

公开(公告)号：US08515379B2

公开(公告)日：2013-08-20

申请号：US13174975

申请日：2011-07-01

Applicant: Hong-Ta Hsu ,  Ying-Hsi Lin

Inventor： Hong-Ta Hsu ,  Ying-Hsi Lin

IPC: H04B1/10

CPC classification number: H04B1/16 ,  H04B1/0475 ,  H04B1/30 ,  H04L27/0002 ,  H04L27/0014 ,  H04L2027/0018

Abstract: An adjusting method for reducing local oscillation leakage or I/Q mismatch in a receiver includes the steps of: (a) detecting a current extent of local oscillation leakage or I/Q mismatch; (b) determining if an adjusting direction is correct with reference to the current extent of local oscillation leakage or I/Q mismatch thus detected, maintaining the adjusting direction if correct, and reversing the adjusting direction upon determining that the adjusting direction is incorrect; and (c) adjusting a control signal according to the adjusting direction.

公开(公告)号：US08400227B2

公开(公告)日：2013-03-19

申请号：US12945308

申请日：2010-11-12

Applicant: Chiao-Ling Chang ,  Ying-Hsi Lin

Inventor： Chiao-Ling Chang ,  Ying-Hsi Lin

IPC: H03L7/099

CPC classification number: H03L1/00 ,  H03L7/085 ,  H03L7/099

Abstract: A clock generator is provided, capable of automatically adjusting an output clock when process, voltage, or temperature variation occurs. The clock generator includes a current generator, for generating a first current and a second current according to a bias signal, an oscillator, coupled to the current generator, for generating a clock signal according to the first current, a frequency detector, coupled to the oscillator, for generating a control signal according to the clock signal and a reference signal, and a bias voltage adjuster, coupled to the current generator and the frequency detector, for adjusting the bias signal according to the control signal. When the signal frequency of the clock signal changes, the bias signal corresponds to the bias voltage adjuster, to adjust the first current and the second current.

Abstract translation: 提供时钟发生器，能够在发生过程，电压或温度变化时自动调整输出时钟。 时钟发生器包括用于根据偏置信号产生第一电流和第二电流的电流发生器，耦合到电流发生器的振荡器，用于根据第一电流产生时钟信号，频率检测器，耦合到 振荡器，用于根据时钟信号和参考信号产生控制信号，以及偏置电压调节器，耦合到电流发生器和频率检测器，用于根据控制信号调整偏置信号。 当时钟信号的信号频率变化时，偏置信号对应于偏置电压调节器，以调整第一电流和第二电流。

公开(公告)号：US20110261911A1

公开(公告)日：2011-10-27

申请号：US13174975

申请日：2011-07-01

Applicant: Hong-Ta Hsu ,  Ying-Hsi Lin

Inventor： Hong-Ta Hsu ,  Ying-Hsi Lin

IPC: H04B1/12 ,  H04B1/10

CPC classification number: H04B1/16 ,  H04B1/0475 ,  H04B1/30 ,  H04L27/0002 ,  H04L27/0014 ,  H04L2027/0018

Abstract: An adjusting method for reducing local oscillation leakage or I/Q mismatch in a receiver includes the steps of: (a) detecting a current extent of local oscillation leakage or I/Q mismatch; (b) determining if an adjusting direction is correct with reference to the current extent of local oscillation leakage or I/Q mismatch thus detected, maintaining the adjusting direction if correct, and reversing the adjusting direction upon determining that the adjusting direction is incorrect; and (c) adjusting a control signal according to the adjusting direction.

Abstract translation: 用于减少接收机中局部振荡泄漏或I / Q不匹配的调整方法包括以下步骤：（a）检测当前的本地振荡泄漏或I / Q失配的程度; （b）参照当前的本地振荡泄漏程度或如此检测到的I / Q失配来确定调整方向是否正确，如果正确则保持调节方向，并在确定调节方向不正确时反转调节方向; 和（c）根据调整方向调整控制信号。