专利检索 ap:"Heng-Chih Lin" 第 4 页

31.

发明授权
RFID tags, RFID electronic devices and related methods for anti-theft and data transmission purposes 有权
标题翻译： RFID标签，RFID电子设备及相关方法，用于防盗和数据传输的目的

公开(公告)号：US07926727B2

公开(公告)日：2011-04-19

申请号：US11616022

申请日：2006-12-26

申请人： Wei Chang , Heng-Chih Lin , Henry Tin-Hang Yung

发明人： Wei Chang , Heng-Chih Lin , Henry Tin-Hang Yung

IPC分类号： G06K19/06

CPC分类号： G06K19/0723 , G06K7/0008 , G08B13/2417

摘要： An RFID tag is integrated with a processor of an electronic product for anti-theft purpose. The RFID tag receives an enable mark when the electronic product is checked out at a point of sale. Only when the processor receives the enable mark from the RFID tag can the start-up sequence of the electronic product be executed. An RFID tag is integrated with a sensor of an electronic product for data transmission purpose. Data measured by the sensor can be stored in the memory of the RFID tag and outputted via the antenna of the RFID tag.

摘要翻译： RFID标签与用于防盗目的的电子产品的处理器集成。当电子产品在销售点检出时，RFID标签接收使能标记。只有当处理器从RFID标签接收使能标记时，才能执行电子产品的启动顺序。 RFID标签与用于数据传输目的的电子产品的传感器集成。由传感器测量的数据可以存储在RFID标签的存储器中，并通过RFID标签的天线输出。

32.

发明授权
Time-frequency interleaved orthogonal frequency division multiplexing ultra wide band physical layer 有权
标题翻译：时频交织正交频分复用超宽带物理层

公开(公告)号：US07756002B2

公开(公告)日：2010-07-13

申请号：US10688169

申请日：2003-10-18

申请人： Anuj Batra , Jaiganesh Balakrishnan , Anand G. Dabak , Ranjit Gharpurey , Paul H. Fontaine , Heng-Chih Lin

发明人： Anuj Batra , Jaiganesh Balakrishnan , Anand G. Dabak , Ranjit Gharpurey , Paul H. Fontaine , Heng-Chih Lin

IPC分类号： H04J11/00

CPC分类号： H04B1/7163 , H04L1/0041 , H04L1/0069 , H04L1/0071 , H04L1/0075 , H04L27/2602

摘要： A PHY entity for a UWB system utilizes the unlicensed 3.1-10.6 GHZ UWB band, as regulated in the United States by the Code of Federal Regulation, Title 47, Section 15. The UWB system provides a wireless pico area network (PAN) with data payload communication capabilities of 55, 80, 110, 160, 200, 320 and 480 Mb/s. The UWB system employs orthogonal frequency division multiplexing (OFDM) and uses a total of 122 sub-carriers that are modulated using quadrature phase shift keying (QPSK). Forward error correction coding (convolutional coding) is used with a coding rate of 11/32, 1/2, 5/8 and 3/4.

摘要翻译： UWB系统的PHY实体利用美国由“联邦法规”第47章第15节规定的未经授权的3.1-10.6 GHZ UWB频带。UWB系统提供无线微微区域网络（PAN）与数据有效载荷通信能力为55,80,110,160,200,320和480 Mb / s。 UWB系统采用正交频分复用（OFDM），并且使用使用正交相移键控（QPSK）调制的总共122个子载波。前向纠错编码（卷积编码）的编码率为11/32，1/2，5/8和3/4。

33.

发明授权
Dynamic bandwidth compensating method and associated apparatus 有权
标题翻译：动态带宽补偿方法及相关设备
公开(公告)号：US07551033B2

公开(公告)日：2009-06-23

申请号：US11968296

申请日：2008-01-02

申请人： Heng-Chih Lin

发明人： Heng-Chih Lin

IPC分类号： H03F1/14

CPC分类号： H03G5/24 , H03F1/083 , H03F3/45085 , H03F3/45183 , H03F3/45475 , H03F2200/153 , H03F2203/45512 , H03F2203/45514 , H03F2203/45522 , H03H11/126 , H03H11/1291

摘要： A programmable gain amplifier includes an operational amplifier coupled thereto a plurality of resistors to perform a feedback control, thereby rendering a closed-loop gain A f ⁡ ( s ) = A ⁡ ( s ) 1 + A ⁡ ( s ) · β , where β is a feedback factor determined by the resistance of the resistors and A(s) is an open-loop gain of the operational amplifier. The operational amplifier includes a first-stage amplifying circuit, a second-stage amplifying circuit, and a compensating capacitor coupled to an output end of the first-stage amplifying circuit and having an equivalent capacitance variable to adjust a dominant-pole frequency of the open-loop gain of the operational amplifier.

摘要翻译： 可编程增益放大器包括耦合到多个电阻器的运算放大器，以执行反馈控制，从而产生闭环增益。“maths id =”MATH-US-00001“num =”00001“> $/ mo> =mo> （s）/ mn>+A（34. 发明申请 METHOD FOR TUNING A TUNABLE FILTER 有权标题翻译：调节可调滤波器的方法公开(公告)号： US20080164939A1 公开(公告)日： 2008-07-10 申请号： US11740862 申请日： 2007-04-26 申请人： Heng-Chih Lin, Fucheng Wang 发明人： Heng-Chih Lin, Fucheng Wang IPC分类号： H04B1/10 CPC分类号： H03H11/1291, H03H7/0153 摘要： A method for tuning a tunable filter includes inputting a control signal to the tunable filter and tuning the configuration of the tunable filter according to the control signal. When the control signal is at any one of a plurality of predetermined states, a step size of a characteristic frequency of the tunable filter is positively correlated with the characteristic frequency of the tunable filter. 摘要翻译：用于调谐可调谐滤波器的方法包括将控制信号输入到可调谐滤波器，并根据控制信号调谐可调谐滤波器的配置。当控制信号处于多个预定状态中的任何一个时，可调谐滤波器的特征频率的步长与可调谐滤波器的特征频率正相关。35. 发明授权 Inverse function method for semiconductor mixer linearity enhancement 有权标题翻译：半导体混合器线性增强的逆函数法公开(公告)号： US06982588B1 公开(公告)日： 2006-01-03 申请号： US10869680 申请日： 2004-06-16 申请人： Heng-Chih Lin, Chien-Chung Chen, Ranjit Gharpurey 发明人： Heng-Chih Lin, Chien-Chung Chen, Ranjit Gharpurey IPC分类号： G06G7/44, G06G7/16 CPC分类号： H03D7/1441, H03D7/1408, H03D7/1458, H03D7/1491 摘要： The mixer circuit includes a differential rf input driver; a differential local oscillator input circuit coupled to the differential rf input driver; a non-linear load coupled to the differential local oscillator input circuit wherein the non-linear load compensates for non-linearity of the differential rf input driver. The non-linear load has a V-I (voltage-current) transfer function the inverse of the input driver. This improves the mixer linearity without sacrificing the Gain or Noise Figure. 摘要翻译：混频器电路包括差分rf输入驱动器; 耦合到差分rf输入驱动器的差分本地振荡器输入电路; 耦合到差分本地振荡器输入电路的非线性负载，其中非线性负载补偿差分rf输入驱动器的非线性。非线性负载具有V-I（电压 - 电流）传递函数，与输入驱动器相反。这可以提高混频器的线性度，而不会牺牲增益或噪声系数。36. 发明授权 Compact, high power supply rejection ratio, low power semiconductor digitally controlled oscillator architecture 有权标题翻译：紧凑，高电源抑制比，低功耗半导体数字控制振荡器架构公开(公告)号： US06784755B2 公开(公告)日： 2004-08-31 申请号： US10292276 申请日： 2002-11-12 申请人： Heng-Chih Lin, Baher S. Haroun 发明人： Heng-Chih Lin, Baher S. Haroun IPC分类号： H03B100 CPC分类号： H03L7/0995, H03K3/0322 摘要： A high PSRR, low power semiconductor digitally controlled oscillator (DCO) architecture employs only one simple current steering D/A converter directly on top of a multi-stage current controlled oscillator. The architecture provides a good building block for many circuit applications, e.g., all digital phase lock loops, direct modulation transmitters for wireless devices, and the like. 摘要翻译：高PSRR低功耗半导体数字控制振荡器（DCO）架构直接在多级电流控制振荡器的顶部仅使用一个简单的电流导引D / A转换器。该架构为许多电路应用提供了良好的构建块，例如所有数字锁相环，用于无线设备的直接调制发射机等。37. 发明授权 Area efficient, low power and flexible time digitizer 有权标题翻译：区域高效，低功耗和灵活的时间数字化仪公开(公告)号： US06720959B2 公开(公告)日： 2004-04-13 申请号： US10291997 申请日： 2002-11-12 申请人： Baher Haroun, Heng-Chih Lin, Tim Foo 发明人： Baher Haroun, Heng-Chih Lin, Tim Foo IPC分类号： G09G500 CPC分类号： H03K5/1252, H03K3/0322, H03L7/093, H03L7/18, H03L2207/50 摘要： A non-linear time digitizer delay chain and a respective lookup table for converting the phase error into a digital code together prevent a phase error pulse from saturating the delay chain, even when the input frequency varies by orders of magnitude. By using a non-linear T2D delay chain along with a corresponding lookup table, the phase error pulse associated with a digital phase lock loop (PLL) can be measured and represented in more meaningful and accurate ways that that achievable when using a conventional T2d circuit to convert the phase error into a digital code. The lookup table implementation allows an additional degree of freedom for designers to apply a transfer function to the digital code measured by the T2D. 摘要翻译：即使当输入频率变化数量级时，非线性时间数字转换器延迟链和用于将相位误差转换成数字码的相应查找表一起防止相位误差脉冲饱和延迟链。通过使用非线性T2D延迟链以及相应的查找表，可以以更有意义和准确的方式测量和表示与数字锁相环（PLL）相关的相位误差脉冲，这在使用常规T2d电路时可实现将相位误差转换为数字码。查找表实现允许设计者将额外的自由度应用于由T2D测量的数字代码的传递函数。38. 发明授权 Guaranteed monotonic digital to analog converter 有权公开(公告)号： US06961013B2 公开(公告)日： 2005-11-01 申请号： US10916728 申请日： 2004-08-12 申请人： Heng-Chih Lin, Chien-Chung Chen, Solti Peng 发明人： Heng-Chih Lin, Chien-Chung Chen, Solti Peng IPC分类号： H03M1/06, H03M1/12, H03M1/66, H03M1/68 CPC分类号： H03M1/0641, H03M1/687 摘要： A hybrid Nyquist thermometer and sigma delta digital to analog converter is presented. The digital input signal is divided into most significant bits and least significant bits. The most significant bits are converted to a thermometer code. A thermometer element array is controlled by the thermometer code. A fractional value is calculated from the least significant bits and used to dither the first unexercised array element in order to get finer resolution with guaranteed monotonicity.39. 发明申请 Current interpolation in multi-phase local oscillator for use with harmonic rejection mixer 有权标题翻译：用于谐波抑制混频器的多相本机振荡器中的电流插值公开(公告)号： US20050215223A1 公开(公告)日： 2005-09-29 申请号： US10811584 申请日： 2004-03-29 申请人： Heng-Chih Lin, Ranjit Gharpurey 发明人： Heng-Chih Lin, Ranjit Gharpurey IPC分类号： H03B27/00, H03D7/14, H04B1/10 CPC分类号： H03B27/00, H03D7/1441, H03D7/1458, H03D7/1475, H03D7/1483, H03D7/165, H03D2200/0033, H03D2200/0086 摘要： A circuit provides a reduced harmonic content output signal OUTA and/or OUTB that is modulated according to an input signal 231. The circuit has an oscillator circuit 210 and a harmonic rejection mixer (HRM) 230. The oscillator circuit 210 includes at least one “circuit portion” (FIG. 2A) configured to receive first and second orthogonal oscillator input signals (two of I, I-, Q, Q-) having respective first and second phases, and to provide an arbitrarily large number of oscillator output signals (φM) having respective mutually distinct phases that are interpolated between the first and second phases. Harmonic rejection mixer 230 is configured to use the input signal to modulate a combination of the oscillator output signals, the oscillator output signals being respectively weighted so as to provide an emulated sinusoidal signal constituting the reduced harmonic content output signal. 摘要翻译：电路提供根据输入信号231调制的减少的谐波含量输出信号OUTA和/或OUTB。电路具有振荡器电路210和谐波抑制混频器（HRM）230.振荡器电路210包括至少一个“ 电路部分“（图2A），被配置为接收具有相应的第一和第二相位的第一和第二正交振荡器输入信号（I，I，I，Q-中的两个），并且提供任意大量的振荡器输出信号（phiM）具有在第一和第二相之间插值的各自相互不同的相位。谐波抑制混频器230被配置为使用输入信号来调制振荡器输出信号的组合，振荡器输出信号被分别加权，以便提供构成还原谐波内容输出信号的仿真正弦信号。40. 发明申请 Current mode transmitter 有权标题翻译：电流模式变送器公开(公告)号： US20050213672A1 公开(公告)日： 2005-09-29 申请号： US10811704 申请日： 2004-03-29 申请人： Heng-Chih Lin, Ranjit Gharpurey, Paul Fontaine 发明人： Heng-Chih Lin, Ranjit Gharpurey, Paul Fontaine IPC分类号： H03F3/24, H03F3/345, H04B1/04, H04B3/00 CPC分类号： H03F3/24, H03F3/345, H04B1/04 摘要： A current-domain transmitter is configured to receive an input signal and provide a transmitted signal. The transmitter has a plurality of elements, operatively arranged between the input signal and the transmitted signal and configured to represent the input signal with respective electric currents whose respective current magnitudes are each substantially proportional to the input signal. The elements may include a current-steering digital-to-analog converter (DAC), a current mode filter (such as an LPF), a current mode mixer, and/or a current mode amplifier. 摘要翻译：当前域发射机被配置为接收输入信号并提供发射信号。发射机具有多个元件，可操作地布置在输入信号和发射信号之间，并被配置为用相应的电流表示输入信号，其各自的电流幅度大致与输入信号成比例。元件可以包括电流转向数模转换器（DAC），电流模式滤波器（例如LPF），电流模式混频器和/或电流模式放大器。PDF内容加载中...$(document).ready(function() {
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