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1. 发明授权

US06909320B2 Method and apparatus for dual output voltage regulation 有权
标题翻译：双输出电压调节方法和装置
公开(公告)号：US06909320B2
公开(公告)日：2005-06-21
申请号：US10465753
申请日：2003-06-19
申请人： Joseph Chan , Dennis Cashen
发明人： Joseph Chan , Dennis Cashen
IPC分类号： G05F3/24 , G05F1/10
CPC分类号： G05F3/24
摘要： A dual output voltage regulator circuit includes a first voltage regulator section, the first voltage regulator section having a first regulated voltage output, a second voltage regulator section coupled to the first voltage regulator section, the second voltage regulator having a second regulated voltage output, and a switching circuit coupled to the first voltage regulator section and to the second voltage regulator section, the switching circuit operating the first voltage regulator section and the second voltage regulator section in a normal mode, and operating only the second voltage regulator section in a power gating mode.
摘要翻译：双输出电压调节器电路包括第一电压调节器部分，第一电压调节器部分具有第一调节电压输出，耦合到第一电压调节器部分的第二电压调节器部分，具有第二调节电压输出的第二电压调节器，以及开关电路，其耦合到所述第一电压调节器部分和所述第二电压调节器部分，所述开关电路以正常模式操作所述第一电压调节器部分和所述第二电压调节器部分，并且仅在功率门控中操作所述第二电压调节器部分模式。

2. 发明申请

US20080288351A1 System and Method for Facilitating Electronic Financial Transactions Using a Mobile Telecommunication Device 审中-公开
标题翻译：使用移动电信设备促进电子金融交易的系统和方法
公开(公告)号：US20080288351A1
公开(公告)日：2008-11-20
申请号：US12124658
申请日：2008-05-21
申请人： Gary Leung , Rudolph Lee , Kevin Cheng , Peter Chui , Andrew Mitchell , Shahen Mekertichian , Raymond Fung , Joseph Chan
发明人： Gary Leung , Rudolph Lee , Kevin Cheng , Peter Chui , Andrew Mitchell , Shahen Mekertichian , Raymond Fung , Joseph Chan
IPC分类号： G06Q30/00 , H04L9/32 , G06Q40/00
CPC分类号： H04M15/68 , G06Q20/20 , G06Q20/32 , G06Q20/3223 , G06Q20/3229 , G06Q20/3255 , G06Q20/3674 , G06Q20/382 , G06Q20/40 , G06Q20/42 , G06Q30/0225 , G06Q30/06 , G06Q30/0603 , H04L63/10 , H04L63/12 , H04M2215/0196 , H04W4/00 , H04W4/24 , H04W8/26 , H04W12/08 , H04W12/10
摘要： A transaction processing system for processing a transaction between a supplier and a customer, said system comprising a supplier device for initiating the transaction, a system server and a mobile communication device, said device containing a message processing program module for enabling local verification of the transaction within the mobile device, wherein a transaction message is sent from the supplier device to the system server, a message requesting payment for the transaction is sent from the system server to the mobile communication device, the transaction is authorised and verified at the mobile telecommunications device from which a verification message is sent back to the system server, and the transaction is then processed.
摘要翻译：一种用于处理供应商和客户之间的交易的交易处理系统，所述系统包括用于启动交易的供应商设备，系统服务器和移动通信设备，所述设备包含消息处理程序模块，用于启用交易的本地验证在移动设备内，其中将交易消息从供应商设备发送到系统服务器，请求付款的消息的消息从系统服务器发送到移动通信设备，该交易在移动电信设备处被授权和验证从中将验证消息发送回系统服务器，然后处理事务。

3. 发明申请

US20060271315A1 Method and apparatus for monitoring battery discharge state 有权
标题翻译：监测电池放电状态的方法和装置
公开(公告)号：US20060271315A1
公开(公告)日：2006-11-30
申请号：US11140587
申请日：2005-05-27
申请人： Nikola Cargonja , Joseph Chan , Don Ahn
发明人： Nikola Cargonja , Joseph Chan , Don Ahn
IPC分类号： G01R31/36
CPC分类号： G01R19/16552
摘要： One aspect of the invention involves: periodically sampling a voltage of a battery and an ambient temperature in order to obtain a sample that includes a temperature value and a voltage value; saving each sample in a sample group; selecting a subset of the samples in the group, wherein the temperature value of each sample in the subset is lower than the temperature value of substantially all of the samples of the group other than the subset; and determining as a function of the voltage of at least one the sample in the subset whether the battery is subject to a low voltage condition.
摘要翻译：本发明的一个方面涉及：周期性地对电池的电压和环境温度进行采样，以获得包括温度值和电压值的样品; 保存样品组中的每个样品; 选择所述组中的样本的子集，其中所述子集中的每个样本的温度值低于除所述子集之外的组的基本上所有样本的温度值; 以及根据所述子集中的至少一个所述样本的电压确定所述电池是否经受低电压状况。

4. 发明申请

US20060077041A1 Method and apparatus for varying signals transmitted by a tag 有权
标题翻译：用于改变由标签发送的信号的方法和装置
公开(公告)号：US20060077041A1
公开(公告)日：2006-04-13
申请号：US11219357
申请日：2005-09-02
申请人： Joseph Chan , Nikola Cargonja , James Eagleson , Arthur Anderson , Timothy Brand , Ravindra Rajapakse
发明人： Joseph Chan , Nikola Cargonja , James Eagleson , Arthur Anderson , Timothy Brand , Ravindra Rajapakse
IPC分类号： H04Q5/22 , G08B1/08
CPC分类号： G06K17/0022 , G01S5/0009 , G01S5/02 , G01S2205/002 , G06F19/00 , G06K2017/0045
摘要： An apparatus (10, 240, 300) includes a signpost (11, 241-256, 322, 612, 623, 626-628, 652, 661, 682, 686, 703) which transmits signpost signals (24) that are received by a tag (12, 271-275, 301-316, 395-397, 616-618, 641-643, 653, 656-657, 662-664, 679, 708, 711). The tag in turn transmits radio frequency beacon signals (72) which are received by a reader (13, 261, 319, 521-530). The tag can vary the duration of the beacon signals, for example in dependence on whether it is currently receiving a signpost signal. Further, the tag can dynamically vary the transmission rate and/or transmission power of the beacon signals, for example following receipt of a signpost signal. Varying these parameters can facilitate compliance with governmental regulations.
摘要翻译：一种装置（10,240,300）包括一个路标（11,241-256,362,612,623,626,628,652,661,682,686,703），该路标传送路标信号（24），路标信号（24）由标签（12,271-275,301,316,345-397,616-618,641-63，653,656-657,662-664,679,708,711）。标签又传送由读取器（13,261,319,521-530）接收的射频信标信号（72）。标签可以改变信标信号的持续时间，例如根据其是否正在接收路标信号。此外，标签可以动态地改变信标信号的传输速率和/或传输功率，例如在接收到路标信号之后。改变这些参数可以促进遵守政府法规。

5. 发明申请

US20050010840A1 Bit error position estimation in data decoder 有权
标题翻译：数据解码器中的位错误位置估计
公开(公告)号：US20050010840A1
公开(公告)日：2005-01-13
申请号：US10913076
申请日：2004-08-06
申请人： Robert Dorney , Joseph Chan
发明人： Robert Dorney , Joseph Chan
IPC分类号： H03M13/00 , H03M13/09 , H03M13/23 , H03M13/27 , H03M13/41 , H03M13/45 , G06F11/00 , G11C29/00
CPC分类号： H03M13/41 , H03M13/3738 , H03M13/3776
摘要： A bit error position is estimated. The estimation method includes generating data indicative of a substantial number of bit error locations in data frames. The generation of the data includes re-encoding decoded bit stream, mapping the bit stream to a first set of symbols, and determining a soft decision distance between a second set of symbols received through a data transmission channel and the first set of symbols. The generated data is then used to estimate the bit error locations. The estimation process includes capturing metric data for each bit in the data frame and obtaining derivative of the metric data. The derivative may be filtered for further processing. Error position estimation criteria may then be applied to estimate the bit error positions.
摘要翻译：估计一个位错误位置。估计方法包括产生指示数据帧中大量位错误位置的数据。数据的生成包括重新编码解码比特流，将比特流映射到第一组符号，以及确定通过数据传输信道接收的第二组符号与第一组符号之间的软判决距离。然后使用生成的数据来估计位错误位置。估计过程包括捕获数据帧中的每个比特的度量数据并获得量度数据的导数。可以将衍生物过滤以进一步处理。然后可以应用误差位置估计标准来估计位错误位置。

6. 发明授权

US6032114A Method and apparatus for noise reduction by filtering based on a maximum signal-to-noise ratio and an estimated noise level 失效
标题翻译：基于最大信噪比和估计的噪声水平通过滤波降噪的方法和装置
公开(公告)号：US6032114A
公开(公告)日：2000-02-29
申请号：US606001
申请日：1996-02-12
申请人： Joseph Chan
发明人： Joseph Chan
IPC分类号： G10L11/02 , G10L15/04 , G10L15/20 , G10L19/02 , G10L21/02 , G10L3/02
CPC分类号： G10L21/0208 , G10L2021/02163 , G10L21/0232 , G10L25/27
摘要： A method for reducing the noise in an speech signal by removing the noise from an input speech signal is disclosed. The noise reducing method includes converting the input speech signal into a frequency spectrum, determining filter characteristics based upon a first value obtained on the basis of the ratio of a level of the frequency spectrum to an estimated level of the noise spectrum contained in the frequency spectrum and a second value as found from the maximum value of the ratio of the frame-based signal level of the frequency spectrum to the estimated noise level and the estimated noise level, and reducing the noise in the input speech signal by filtering responsive to the filter characteristics. A corresponding apparatus for reducing the noise is also disclosed.
摘要翻译：公开了一种通过从输入语音信号中去除噪声来减少语音信号中的噪声的方法。噪声降低方法包括将输入的语音信号转换为频谱，基于根据频谱的电平与包含在频谱中的噪声谱的估计电平的比值获得的第一值来确定滤波器特性以及从频谱的基于帧的信号电平与估计的噪声电平和估计的噪声电平的比率的最大值中找到的第二值，并且响应于滤波器减少输入语音信号中的噪声特点还公开了一种用于降低噪声的相应装置。

7. 外观设计

USD412170S Telephone handset 失效
公开(公告)号：USD412170S
公开(公告)日：1999-07-20
申请号：US63022
申请日：1996-11-22
申请人： Joseph Chan
设计人： Joseph Chan

8. 发明授权

US5668927A Method for reducing noise in speech signals by adaptively controlling a maximum likelihood filter for calculating speech components 失效
标题翻译：用于通过自适应地控制用于计算语音分量的最大似然滤波器来降低语音信号中的噪声的方法
公开(公告)号：US5668927A
公开(公告)日：1997-09-16
申请号：US431746
申请日：1995-05-01
申请人： Joseph Chan , Masayuki Nishiguchi
发明人： Joseph Chan , Masayuki Nishiguchi
IPC分类号： G10L11/02 , G10L15/04 , G10L15/20 , G10L21/02 , G10L5/06
CPC分类号： G10L21/0208 , G10L25/78 , G10L2021/02168 , G10L2025/786 , G10L21/0216 , G10L21/0232
摘要： A noise reducing method for speech signals is provided in which the probability of speech occurring is calculated by spectral subtraction of subtracting the estimated noise spectrum from the spectrum of the input signal, and the maximum likelihood filter is adaptively controlled based upon the calculated speech occurrence probability. Adjustment to an optimum suppression factor may be achieved depending on the SNR of the input speech signal, so that is it unnecessary for the user to effect adjustment prior to practical application. In addition, a method for detecting the noise domain is provided in which the value th employed for finding the threshold value Th.sub.1 for noise domain discrimination is calculated using the RMS value of the current frame or the value th of the previous frame multiplied by the coefficient .alpha., whichever is smaller, and the coefficient .alpha. is changed over depending on the RMS value of the current frame. Noise domain discrimination by an optimum threshold value responsive to the input signal may be achieved without producing mistaken judgement even on the occasion of noise level fluctuations.
摘要翻译：提供了一种用于语音信号的降噪方法，其中通过从输入信号的频谱中减去估计噪声频谱的频谱减法来计算出现语音的概率，并且基于所计算的语音发生概率来自适应地控制最大似然滤波器。可以根据输入语音信号的SNR来实现对最佳抑制因子的调节，使得用户在实际应用之前不需要进行调整。此外，提供了一种用于检测噪声域的方法，其中使用当前帧的RMS值或前一帧的值th乘以系数来计算用于找到用于噪声域辨别的阈值Th1的值 alpha，取较小者，根据当前帧的RMS值，改变系数α。即使在噪声电平波动的情况下，也可以实现响应于输入信号的最佳阈值的噪声域辨别，而不会产生误判。

9. 外观设计

USD472538S1 Telephone base 失效
公开(公告)号：USD472538S1
公开(公告)日：2003-04-01
申请号：US29153387
申请日：2002-01-07
申请人： Joseph Chan
设计人： Joseph Chan

10. 发明授权

US06327126B1 Electrostatic discharge circuit 有权
标题翻译：静电放电电路
公开(公告)号：US06327126B1
公开(公告)日：2001-12-04
申请号：US09494055
申请日：2000-01-28
申请人： James W. Miller , Michael G. Khazhinsky , Geoffrey B. Hall , Jose A. Camarena , Joseph Chan , Fujio Takeda
发明人： James W. Miller , Michael G. Khazhinsky , Geoffrey B. Hall , Jose A. Camarena , Joseph Chan , Fujio Takeda
IPC分类号： H02H900
CPC分类号： H01L27/0251
摘要： A circuit (600) provides Electrostatic Discharge (ESD) protection for internal elements in an integrated circuit during an ESD event. The circuit (600) includes cascoded NMOSFETs (614, 616), with the upper NMOSFET (614) connected to voltage divider circuitry (628). The voltage divider circuitry (628) provides a first bias voltage to the gate of the upper NMOSFET (614) during an ESD event and a second bias voltage during normal operation. Preferably, the first bias voltage is approximately ½ of the drain voltage of the upper NMOSFET (614). Under these bias conditions the cascoded NMOSFETs exhibit a maximum voltage threshold for initiation of parasitic lateral bipolar conduction.
摘要翻译：电路（600）在ESD事件期间为集成电路中的内部元件提供静电放电（ESD）保护。电路（600）包括级联的NMOSFET（614,616），其中上部NMOSFET（614）连接到分压器电路（628）。分压器电路（628）在ESD事件期间向上NMOSFET（614）的栅极提供第一偏置电压，并在正常操作期间提供第二偏置电压。优选地，第一偏置电压约为上部NMOSFET（614）的漏极电压的1/2。在这些偏置条件下，级联的NMOSFET表现出用于启动寄生横向双极传导的最大电压阈值。

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