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1. 发明授权

US09118274B2 Relaxation oscillator 有权
标题翻译：放松振荡器
公开(公告)号：US09118274B2
公开(公告)日：2015-08-25
申请号：US14056093
申请日：2013-10-17
申请人： Princeton Technology Corporation
发明人： Ming-Yuan Tsao
IPC分类号： H03K3/26 , H03B5/02 , H03K3/011 , H03K3/0231
CPC分类号： H03B5/02 , H03K3/011 , H03K3/0231
摘要： A relaxation oscillator includes a first amplifier having a first input terminal receiving an output voltage signal, a second input terminal receiving a reference voltage signal, and an output terminal comparing the output voltage signal and the reference voltage signal and in response thereto outputting a control signal; a second amplifier having a first input terminal receiving the output voltage signal, a second input terminal connected to the output terminal of the first amplifier for receiving the control signal, and an output terminal connected to the first input terminal of the first amplifier and the first input terminal of the second amplifier for comparing the control signal and the output voltage signal and in response thereto outputting the output voltage signal; and a sensing capacitor for generating the output voltage signal by charging/discharging operations by the output terminal of the second amplifier.
摘要翻译：张弛振荡器包括：第一放大器，具有接收输出电压信号的第一输入端，接收参考电压信号的第二输入端;以及比较输出电压信号和参考电压信号的输出端，并响应于输出控制信号 ; 第二放大器，其具有接收所述输出电压信号的第一输入端子，连接到所述第一放大器的输出端的第二输入端子，用于接收所述控制信号;以及输出端子，连接到所述第一放大器的第一输入端子，第二放大器的输入端子，用于比较控制信号和输出电压信号，并响应于此输出输出电压信号; 以及感测电容器，用于通过第二放大器的输出端子的充电/放电操作来产生输出电压信号。

2. 发明授权

US09030126B2 LED driving device 有权
标题翻译： LED驱动装置
公开(公告)号：US09030126B2
公开(公告)日：2015-05-12
申请号：US14017868
申请日：2013-09-04
申请人： Princeton Technology Corporation
发明人： Ming-Yuan Tsao , Mean-Sea Tsay , Shih-Chou Kuo , Chiung-Hung Chen
IPC分类号： H05B37/02 , H05B33/08
CPC分类号： H05B33/0848
摘要： An LED driving device has a first constant current source circuit and a voltage control circuit. The first constant current source outputs a first constant current to a first node and the first constant current flows into a first LED module disposed between a driving node and the first node; wherein, the first constant current source circuit has a first detection node for generating a first detection signal in response to the voltage level of the first node. The voltage control circuit is coupled to the first detection node, for outputting a control signal in response to the first detection signal to a voltage regulator circuit in order to control and modulate the voltage regulator circuit to output a driving voltage to the driving node.
摘要翻译： LED驱动装置具有第一恒流源电路和电压控制电路。第一恒定电流源向第一节点输出第一恒定电流，并且第一恒定电流流入布置在驱动节点和第一节点之间的第一LED模块; 其中，所述第一恒流源电路具有用于响应于所述第一节点的电压电平产生第一检测信号的第一检测节点。电压控制电路耦合到第一检测节点，用于响应于第一检测信号将电压控制信号输出到电压调节器电路，以便控制和调制电压调节器电路以向驱动节点输出驱动电压。

3. 发明授权

US08957872B2 Touch sensing circuit and touch sensing method 有权
标题翻译：触摸感应电路和触摸感应方式
公开(公告)号：US08957872B2
公开(公告)日：2015-02-17
申请号：US13836402
申请日：2013-03-15
申请人： Princeton Technology Corporation
发明人： Chun-Hsiung Chen , Chieh Yung Tu , Chien-Hsien Tsai , Chia Sheng Chen
IPC分类号： G06F3/044 , H03K17/96
CPC分类号： H03K17/9622
摘要： The present invention discloses a touch-sensing method, applied to a touch-sensing circuit, wherein the touch-sensing circuit includes a detection circuit and a comparison circuit. The touch-sensing method includes: enabling a receiving node to be coupled to a ground during a first discharge period, wherein the receiving node is coupled between the detection circuit and the comparison circuit; enabling the receiving node to obtain a first reference voltage during a first charge period; enabling the receiving node to be coupled to the ground during a second discharge period; and enabling the receiving node to obtain a second reference voltage and producing a sensing result according to the first reference voltage and the second reference voltage by the comparison circuit during a second charge period, wherein the sensing result represents whether a touch event occurs at a first node of the touch-sensing circuit.
摘要翻译：本发明公开了一种应用于触摸感测电路的触摸感测方法，其中触摸感测电路包括检测电路和比较电路。触摸感测方法包括：使接收节点在第一放电周期期间耦合到地，其中接收节点耦合在检测电路和比较电路之间; 使得所述接收节点在第一充电周期期间获得第一参考电压; 使得所述接收节点在第二放电周期期间耦合到所述地; 以及使得所述接收节点获得第二参考电压并且在第二充电周期期间通过所述比较电路产生根据所述第一参考电压和所述第二参考电压的感测结果，其中所述感测结果表示触摸事件是否在第一节点。

4. 发明授权

US08798114B2 System and method for dual chirp modulation 有权
标题翻译：双线性调频的系统和方法
公开(公告)号：US08798114B2
公开(公告)日：2014-08-05
申请号：US13836705
申请日：2013-03-15
申请人： Princeton Technology Corporation
发明人： Ruei-Ran Huang
IPC分类号： H04B1/00 , H04L27/10
CPC分类号： H04L27/103
摘要： A system for dual chirp modulation includes a transmission unit, a receiving unit, and a transmission channel. A modulation module of the transmission unit is configured to receive binary data and modulate the binary data by a first dual chirp sequence and a second dual chirp sequence for generating an output signal. Then the output signal is converted from digital form to analog form by a digital to analog converter. A transmission channel is configured to receive the output signal converted to analog form, wherein the output signal converted to analog folio passes the transmission channel for generating a received signal. An analog to digital converter converts the received signal from analog form to digital form and a demodulation module demodulates the received signal with digital form, by the first dual chirp sequence and the second dial chirp sequence, for recovering the binary data.
摘要翻译：一种用于双线性调频调制的系统包括传输单元，接收单元和传输信道。发送单元的调制模块被配置为接收二进制数据并通过第一双线性调频脉冲序列和用于产生输出信号的第二双线性调频脉冲序列来调制二进制数据。然后，数字模拟转换器将输出信号从数字形式转换为模拟形式。传输信道被配置为接收转换成模拟形式的输出信号，其中转换为模拟作品集的输出信号通过传输信道以产生接收信号。模拟数字转换器将接收到的信号从模拟形式转换成数字形式，并且解调模块通过第一双向线性调频序列和第二拨号线性调频序列以数字形式解调接收信号，以恢复二进制数据。

5. 发明授权

US08786367B2 Voltage controlling circuit 有权
标题翻译：电压控制电路
公开(公告)号：US08786367B2
公开(公告)日：2014-07-22
申请号：US13523851
申请日：2012-06-14
申请人： Yung-Ming Lee , Tzu-Fei Han
发明人： Yung-Ming Lee , Tzu-Fei Han
IPC分类号： H03G3/10 , H03F1/26 , H03G11/00
CPC分类号： H03F1/26 , H03F2200/03 , H03F2200/411 , H03F2200/441 , H03G11/002
摘要： A voltage clamping module is disposed at an output terminal of a gain amplifying module, so that a voltage level of an amplifying signal outputted by the gain amplifying module can be clamped within a predetermined range. The voltage clamping module includes an upper bound voltage clamping module, which is utilized for limiting the voltage level of the amplifying signal to be lower than an upper bound voltage level, and a lower bound voltage clamping module, which is utilized for limiting the voltage level of the amplifying signal to be higher than a lower bound voltage level.
摘要翻译：电压钳位模块设置在增益放大模块的输出端，使得增益放大模块输出的放大信号的电压电平可以钳位在预定范围内。电压钳位模块包括用于将放大信号的电压电平限制为低于上限电压电平的上限电压钳位模块和用于限制电压电平的下限钳位模块的放大信号高于下限电压电平。

6. 发明授权

US08774427B2 Audio processing system 失效
标题翻译：音频处理系统
公开(公告)号：US08774427B2
公开(公告)日：2014-07-08
申请号：US13349316
申请日：2012-01-12
申请人： Cheng-Ming Shih , Cheng-Lin Chen
发明人： Cheng-Ming Shih , Cheng-Lin Chen
IPC分类号： H03G3/00 , H04R3/04 , H04R3/02
CPC分类号： H04R3/02 , H04R3/04
摘要： The audio processing system disclosed in the invention comprises an audio processor and an audio amplifier. The audio processor receives a data signal to generate a processed signal, and comprises at least one gain control circuit and at least one operational amplifier. The gain control circuit generates a gain signal according to a volume control signal, a reference signal, and a feedback signal. The operational amplifier couples to the gain control circuit and amplifies the data signal by the gain signal to generate a processed signal. The audio amplifier couples to the audio processor to receive and amplify the processed signal, wherein an amplified signal is generated.
摘要翻译：本发明公开的音频处理系统包括音频处理器和音频放大器。音频处理器接收数据信号以产生经处理的信号，并且包括至少一个增益控制电路和至少一个运算放大器。增益控制电路根据音量控制信号，参考信号和反馈信号产生增益信号。运算放大器耦合到增益控制电路，并通过增益信号放大数据信号，以生成处理信号。音频放大器耦合到音频处理器以接收和放大经处理的信号，其中产生放大的信号。

7. 发明授权

US08725278B2 Sound playing system 失效
标题翻译：声音播放系统
公开(公告)号：US08725278B2
公开(公告)日：2014-05-13
申请号：US12249581
申请日：2008-10-10
申请人： Kun-Hong Hou , Cheng-Lin Chen , Te-Hao Liu
发明人： Kun-Hong Hou , Cheng-Lin Chen , Te-Hao Liu
IPC分类号： G06F17/00
CPC分类号： G06F3/165
摘要： A sound playing system is disclosed. The sound playing system is used for playing sound from a portable media carrier and a personal computer, including a controlling unit and a switching unit. The controlling unit includes an audio signal receiving terminal, a data transmission terminal and a signal switch terminal. The audio signal receiving terminal receives audio signals from the portable media carrier, the data transmission terminal receives data from the personal computer, and the signal switch terminal outputs a switch signal. The switching unit determines a data transmission path according to the switch signal.
摘要翻译：公开了一种声音播放系统。声音播放系统用于播放来自便携式媒体载体和包括控制单元和切换单元在内的个人计算机的声音。控制单元包括音频信号接收终端，数据发送终端和信号交换终端。音频信号接收终端从便携式媒体载体接收音频信号，数据发送终端从个人计算机接收数据，信号切换终端输出切换信号。开关单元根据开关信号确定数据传输路径。

8. 发明授权

US08648548B2 Current generator 有权
标题翻译：电流发生器
公开(公告)号：US08648548B2
公开(公告)日：2014-02-11
申请号：US13339935
申请日：2011-12-29
申请人： Koichi Sakai
发明人： Koichi Sakai
IPC分类号： H05B37/02
CPC分类号： H05B33/0812 , Y02B20/345
摘要： A current generating circuit for providing a plurality of load current is provided. The current generating circuit includes: a plurality of operational amplifier, coupled to a reference voltage source, wherein each positive input end of the a plurality of operational amplifier receives the reference voltage source; a plurality of semiconductor switch, used for controlling the output of a plurality of load current, wherein each semiconductor switch is respectively coupled to a corresponding operational amplifier and a load, and the semiconductor switch operates according to signals outputted from the output end of the corresponding operational amplifier to output the corresponding load current; and a control unit, coupled to a plurality of operational amplifier, for outputting a control signal to control the operation of a plurality of operational amplifier.
摘要翻译：提供了用于提供多个负载电流的电流产生电路。电流产生电路包括：耦合到参考电压源的多个运算放大器，其中多个运算放大器的每个正输入端接收参考电压源; 多个半导体开关，用于控制多个负载电流的输出，其中每个半导体开关分别耦合到对应的运算放大器和负载，并且半导体开关根据从相应的输出端输出的信号进行操作运算放大器输出相应的负载电流; 以及耦合到多个运算放大器的控制单元，用于输出控制信号以控制多个运算放大器的运行。

9. 发明授权

US08519480B2 Electrostatic discharge protection device 有权
标题翻译：静电放电保护装置
公开(公告)号：US08519480B2
公开(公告)日：2013-08-27
申请号：US12907041
申请日：2010-10-19
申请人： Yang-Han Lee , Chun Chang
发明人： Yang-Han Lee , Chun Chang
IPC分类号： H01L23/62 , H01L21/336
CPC分类号： H01L29/0847 , H01L27/0266 , H01L29/0692 , H01L29/41725 , H01L29/7835 , H01L2924/0002 , H01L2924/00
摘要： An electrostatic discharge protection device is disclosed. The electrostatic discharge protection device preferably includes a first transistor, a second transistor, and an electrostatic discharge clamping circuit. The first transistor includes a first drain electrically connected to an input/output pin of a chip, a first source electrically connected to a first voltage input pin of the chip, and a first gate. The first drain is preferably an internally shrunk drain. The second transistor includes a second drain electrically connected to the input/output pin of the chip, a second source electrically connected to a second voltage input pin and a second gate. The electrostatic discharge clamping circuit is electrically connected to the first voltage input pin and the second voltage input pin.
摘要翻译：公开了一种静电放电保护装置。静电放电保护器件优选地包括第一晶体管，第二晶体管和静电放电钳位电路。第一晶体管包括电连接到芯片的输入/输出引脚的第一漏极，电连接到芯片的第一电压输入引脚的第一源极和第一栅极。第一排水管优选是内部收缩的排水管。第二晶体管包括电连接到芯片的输入/输出引脚的第二漏极，电连接到第二电压输入引脚和第二栅极的第二源极。静电放电钳位电路电连接到第一电压输入引脚和第二电压输入引脚。

10. 发明授权

US08514212B2 Drive circuit of display and method for calibrating brightness of display 失效
标题翻译：显示驱动电路及校准显示亮度的方法
公开(公告)号：US08514212B2
公开(公告)日：2013-08-20
申请号：US12615133
申请日：2009-11-09
申请人： Yen-Ynn Chou
发明人： Yen-Ynn Chou
IPC分类号： G09G5/00
CPC分类号： G09G3/20 , G09G2310/0275 , G09G2360/147
摘要： A drive circuit of a displayer for driving at least a pixel, including: an output stage coupled to the pixel and controlled by a pixel signal to switch an output voltage on the pixel; a calibration device coupled between the output stage and the pixel and including an input end controlled by a bias voltage further calibrating the brightness of the pixel; a stabilizing device coupled between the input end of the calibration device and the pixel signal for stabilizing the voltage on the input end of the calibration device to be at the level of the bias voltage after a variation; and a accelerating device coupled between the stabilizing device and a voltage source for generating the bias voltage and accelerating the speed stabilizing the voltage on the input end of the calibration device to be at the level of the bias voltage.
摘要翻译：一种用于驱动至少一个像素的显示器的驱动电路，包括：输出级，其耦合到像素并由像素信号控制以切换像素上的输出电压; 耦合在所述输出级和所述像素之间并包括由偏置电压控制的输入端的校准装置，所述偏置电压进一步校准所述像素的亮度; 耦合在所述校准装置的输入端和所述像素信号之间的稳定装置，用于使所述校准装置的输入端上的电压稳定在变化之后的所述偏置电压的电平; 以及加速装置，其耦合在所述稳定装置和用于产生所述偏置电压的电压源之间并且加速使所述校准装置的输入端上的电压稳定在所述偏置电压的电平的速度。

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