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81. 发明授权

US07551019B2 Semiconductor integrated circuit and source voltage/substrate bias control circuit 失效
标题翻译：半导体集成电路和源极电压/衬底偏置控制电路
公开(公告)号：US07551019B2
公开(公告)日：2009-06-23
申请号：US11764605
申请日：2007-06-18
申请人： Tetsuya Fujita , Mototsugu Hamada , Hiroyuki Hara
发明人： Tetsuya Fujita , Mototsugu Hamada , Hiroyuki Hara
IPC分类号： G05F3/16 , H03L1/00
CPC分类号： G05F3/205
摘要： This disclosure concerns a semiconductor integrated circuit that includes a semiconductor substrate, a plurality of well regions formed on one surface of the semiconductor substrate and electrically isolated from each other, a plurality of MOS transistors formed in the well regions and a substrate bias generator that applies substrate biases to the individual well regions based on actually measured process-derived variance of the MOS transistors in threshold voltage to bring the threshold voltages of the respective MOS transistors into conformity with a normal threshold voltage.
摘要翻译：本公开涉及一种半导体集成电路，其包括半导体衬底，形成在半导体衬底的一个表面上并彼此电隔离的多个阱区，形成在阱区中的多个MOS晶体管和衬底偏置发生器，其应用基于实际测量的阈值电压下的MOS晶体管的工艺衍生方差，使各个MOS晶体管的阈值电压与正常阈值电压一致，从而将衬底偏置到各个阱区。

82. 发明授权

US07522009B2 Oscillation stabilization circuit 有权
标题翻译：振荡稳定电路
公开(公告)号：US07522009B2
公开(公告)日：2009-04-21
申请号：US11808516
申请日：2007-06-11
申请人： Yong Il Kwon , Myeung Su Kim , Tah Joon Park
发明人： Yong Il Kwon , Myeung Su Kim , Tah Joon Park
IPC分类号： H03L1/00
CPC分类号： H03L3/00
摘要： An oscillation stabilization detecting circuit comprises a T flip flop receiving a pulse-type oscillation signal generated by oscillating a crystal oscillator and then dividing the oscillation signal to output; a pulse control unit including inverters and transistors, the pulse control unit converting the signal output from the T flip flop into a pulse-type signal starting from a high level and then outputting the converted signal; and an oscillation stabilization detecting unit including a capacitor charged with the signal output from the pulse control unit; and a plurality of transistors. The oscillation stabilization detecting unit controls charging time of the capacitor by adjusting a bias current and, after the charging time passes, outputs a stabilization signal to a CPU, the stabilization signal representing that the oscillation signal is stabilized.
摘要翻译：振荡稳定检测电路包括：T触发器，接收通过振荡晶振产生的脉冲型振荡信号，然后将振荡信号分频输出; 脉冲控制单元，包括反相器和晶体管，所述脉冲控制单元将从所述T触发器输出的信号转换为从高电平开始的脉冲型信号，然后输出所述转换的信号; 以及振荡稳定检测单元，其包括充电了从脉冲控制单元输出的信号的电容器; 和多个晶体管。振荡稳定检测单元通过调整偏置电流来控制电容器的充电时间，并且在充电时间过去之后，向CPU输出稳定信号，稳定信号表示振荡信号稳定。

83. 发明申请

US20090051444A1 FREQUENCY-CORRECTED CLOCK SIGNAL GENERATION INTEGRATED CIRCUIT DEVICE 审中-公开
标题翻译：频率校正时钟信号产生集成电路设备
公开(公告)号：US20090051444A1
公开(公告)日：2009-02-26
申请号：US12195012
申请日：2008-08-20
申请人： Katsumi INOUE
发明人： Katsumi INOUE
IPC分类号： H03L1/00 , H03K3/03
CPC分类号： H03K3/0315 , G06F1/04 , G08B17/103 , H03K3/011 , H03K2005/00032 , H03L1/02 , H03L7/00
摘要： An integrated circuit device including: an oscillation circuit that generates a first clock signal; a frequency comparison section that compares a frequency of the first clock signal with a frequency of a second clock signal; and a clock signal generation section that generates a third clock signal based on the first clock signal. The clock signal generation section corrects a frequency of the third clock signal to be a value within a predetermined range based on the comparison result. For example, the frequency comparison section counts a predetermined period based on the first clock signal, the predetermined period being defined based on the second clock signal, and the clock signal generation section generates the third clock signal by dividing the frequency of the first clock signal based on the count result.
摘要翻译：一种集成电路装置，包括：产生第一时钟信号的振荡电路; 频率比较部，其将第一时钟信号的频率与第二时钟信号的频率进行比较; 以及时钟信号生成部，其基于第一时钟信号生成第三时钟信号。时钟信号生成部基于比较结果，将第三时钟信号的频率修正为规定范围内的值。例如，频率比较部基于第一时钟信号计数预定时间，基于第二时钟信号来定义规定期间，时钟信号生成部通过对第一时钟信号的频率进行分频来生成第三时钟信号基于计数结果。

84. 发明授权

US07474884B2 Receiver 有权
标题翻译：接收器
公开(公告)号：US07474884B2
公开(公告)日：2009-01-06
申请号：US11519426
申请日：2006-09-11
申请人： Martin Kristensson , Bjorn Ottersten , David Astély
发明人： Martin Kristensson , Bjorn Ottersten , David Astély
IPC分类号： H04B1/10 , H04B7/185 , H04L27/08 , H03D1/04 , H03D1/106 , H03K5/01 , H03K6/04 , H03B1/10 , H03L1/00 , H03L25/08 , H04J1/12 , H04J3/10 , H04J15/00
CPC分类号： H04B1/7073 , H04B1/1036 , H04B1/7101
摘要： The present invention relates to a method for a digital receiver and a receiver exploiting second order statistics for adaptive co-channel interference rejection in wireless communication. It uses digitally I, in phase, and Q, quadrature, branches of a received transmitted signal as input to the receiver, a coarse synchronization and a coarse frequency offset compensation have being performed on the signal. It comprises a means for derotation, means for separation, means for filtering, means for estimating and means for detecting transmitted symbols in the received signal. The invention thereby improving co-channel rejection in wireless communication, thus making it possible to increase the number of communication channels for frequencies used.
摘要翻译：本发明涉及一种用于数字接收机的方法和一种利用无线通信中的自适应同频干扰抑制的二阶统计的接收机。它使用接收发射信号的数字I，同相和Q正交分支作为对接收机的输入，对该信号执行了粗同步和粗频率偏移补偿。它包括用于解旋的装置，用于分离的装置，用于滤波的装置，用于估计的装置和用于检测接收信号中的发射符号的装置。因此，本发明改善了无线通信中的同频道抑制，从而可以增加所使用频率的通信信道的数量。

85. 发明授权

US07456700B2 Variable loop gain oscillator system 有权
标题翻译：可变环增益振荡器系统
公开(公告)号：US07456700B2
公开(公告)日：2008-11-25
申请号：US11786714
申请日：2007-04-12
申请人： Fred Mirow
发明人： Fred Mirow
IPC分类号： H03L1/00
CPC分类号： H03L1/00 , H03B5/26
摘要： A system for comparing, measuring, or providing a reference signal based on a oscillator having variable loop gain is described. Only when the oscillator loop gain is at least the value of one does the oscillator produce an AC output signal. The oscillator's ability to oscillate is controlled by the one or more sensor/transducer input signal levels. In some cases, negative feedback of the AC output signal is also used to control the loop gain of the oscillator circuit keeping the loop gain at or close to the value of one. The system's output signal indicates whether the oscillator is oscillating or not, or the AC signal level required to just maintain oscillation.
摘要翻译：描述了一种用于比较，测量或提供基于具有可变环路增益的振荡器的参考信号的系统。只有当振荡器环路增益至少为1时，振荡器产生交流输出信号。振荡器的振荡能力由一个或多个传感器/传感器输入信号电平控制。在某些情况下，AC输出信号的负反馈也用于控制振荡器电路的环路增益，使环路增益保持在或接近于1。系统的输出信号指示振荡器是否振荡，或者是保持振荡所需的交流信号电平。

86. 发明申请

US20080122548A1 OSCILLATOR USING SCHMITT TRIGGER CIRCUIT 审中-公开
标题翻译：振荡器使用SCHMITT触发电路
公开(公告)号：US20080122548A1
公开(公告)日：2008-05-29
申请号：US11942530
申请日：2007-11-19
申请人： Ha Woong JEONG , Kyoung Soo Kwon
发明人： Ha Woong JEONG , Kyoung Soo Kwon
IPC分类号： H03L1/00
CPC分类号： H03K3/0315 , H03K3/02337
摘要： Provided is an oscillator using a Schmitt trigger circuit, the oscillator including a constant current generating section that generates a current with a constant magnitude; a current mirroring section that is connected to the constant current generating section and mirrors the current generated by the constant current generating section; a control section that is connected to the current mirroring section and supplies or blocks the current applied through the current mirroring section; a capacitor of which one end is connected to the control section and the other end is grounded, the capacitor being charged with a current supplied by the control section; a Schmitt trigger circuit that receives the voltage charged in the capacitor so as to output a high- or low-level voltage; and a voltage delay section that is connected to the Schmitt trigger circuit and delays the voltage output by the Schmitt trigger circuit to output.
摘要翻译：提供了使用施密特触发电路的振荡器，该振荡器包括产生具有恒定幅度的电流的恒定电流产生部分; 电流反射部分，连接到恒流产生部分并对由恒定电流产生部分产生的电流进行反射; 控制部分，连接到当前镜像部分，并提供或阻止通过当前镜像部分施加的电流; 电容器，其一端连接到控制部分，另一端接地，电容器由控制部分提供的电流充电; 施密特触发电路，其接收电容器中充电的电压，以输出高电平或低电平; 以及连接到施密特触发电路并延迟施密特触发电路输出的电压输出的电压延迟部分。

87. 发明授权

US07358822B2 MEMS oscillator drive 有权
标题翻译： MEMS振荡器驱动
公开(公告)号：US07358822B2
公开(公告)日：2008-04-15
申请号：US11275653
申请日：2006-01-20
申请人： Keith Aubin , Bojan (Rob) Ilic , Maxim Zalalutdinov , Robert B. Reichenbach , Jeevak M. Parpia , Harold G. Craighead
发明人： Keith Aubin , Bojan (Rob) Ilic , Maxim Zalalutdinov , Robert B. Reichenbach , Jeevak M. Parpia , Harold G. Craighead
IPC分类号： H03L1/00
CPC分类号： H03B5/30 , B81B3/0029 , B81B2203/0118 , H03H9/02259 , H03H9/2457 , H03H2009/02511
摘要： The temperature of a remote portion of device having a microelectromechanical oscillator is modulated to create oscillation of the oscillators. In one embodiment, a localized heat source is placed on a device layer of a multilayered stack, consisting of device, sacrificial and substrate layers. The localized heat source may be a laser beam in one embodiment. The oscillator is supported by the device layer and may be formed in the device layer in various embodiments. The oscillator may be spaced apart from the localized heat source.
摘要翻译：具有微机电振荡器的装置的远端部分的温度被调制以产生振荡器的振荡。在一个实施例中，将局部热源放置在由器件，牺牲层和衬底层组成的多层叠层的器件层上。在一个实施例中，局部热源可以是激光束。振荡器由器件层支撑，并且可以在各种实施例中形成在器件层中。振荡器可以与局部热源间隔开。

88. 发明申请

US20080079509A1 METHOD AND APPARATUS FOR CALIBRATING A PHASE LOCKED LOOP IN OPEN-LOOP. 有权
标题翻译：用于校准开环中相位锁定环路的方法和装置。
公开(公告)号：US20080079509A1
公开(公告)日：2008-04-03
申请号：US11540878
申请日：2006-09-29
申请人： Louie Serrano , Alireza Zolfaghari , Paul Lettieri , Hea Joung Kim , Hooman Darabi , Henrik Jensen , Behnam Mohammadi
发明人： Louie Serrano , Alireza Zolfaghari , Paul Lettieri , Hea Joung Kim , Hooman Darabi , Henrik Jensen , Behnam Mohammadi
IPC分类号： H03L1/00
CPC分类号： H03L7/0898 , H03L7/10 , H03L7/18
摘要： Methods and apparatus for calibrating a transitional loop, such as a phase locked loop, are disclosed. An example method includes performing an open loop calibration of a voltage controlled oscillator (VCO). The open loop calibration includes tuning the output oscillation frequency of the VCO to within a predetermined range of frequencies. The example method further includes determining a voltage offset and a gain error of an analog to digital converter (ADC) coupled with the phase locked loop. The example method also includes determining a gain offset of the open loop calibrated VCO using the voltage offset and the gain error of the ADC. In the example method, a signal provided by a charge pump of the PLL is adjusted based on the determined gain offset.
摘要翻译：公开了用于校准过渡环路的方法和装置，例如锁相环路。示例性方法包括执行压控振荡器（VCO）的开环校准。开环校准包括将VCO的输出振荡频率调谐到预定频率范围内。示例性方法还包括确定与锁相环耦合的模数转换器（ADC）的电压偏移和增益误差。示例性方法还包括使用电压偏移和ADC的增益误差来确定开环校准的VCO的增益偏移。在示例性方法中，基于所确定的增益偏移来调整由PLL的电荷泵提供的信号。

89. 发明申请

US20070290763A1 Microelectromechanical oscillator having temperature measurement system, and method of operating same 有权
标题翻译：具有温度测量系统的微机电振荡器及其操作方法
公开(公告)号：US20070290763A1
公开(公告)日：2007-12-20
申请号：US11493226
申请日：2006-07-26
申请人： Aaron Partridge , Bernhard E. Boser , Crist Y. Lu , Markus Lutz
发明人： Aaron Partridge , Bernhard E. Boser , Crist Y. Lu , Markus Lutz
IPC分类号： H03B5/30 , H03L1/00
CPC分类号： H03L1/022 , G01K7/32 , H03B5/04 , H03B5/30 , H03H9/02448 , H03H9/2405 , H03H2009/02527
摘要： There are many inventions described and illustrated herein. In one aspect, the present inventions relate to a temperature measurement system comprising (1) a first microelectromechanical resonator to generate a first output signal having a frequency that varies with operating temperature, wherein the first microelectromechanical resonator includes a frequency function of temperature; (2) a second microelectromechanical resonator to generate a second output signal having a frequency that varies with operating temperature, wherein the second microelectromechanical resonator includes a frequency function of temperature; and (3) frequency division circuitry, coupled to the first and second microelectromechanical resonators, to determine data which is representative of the operating temperature of the first and/or second microelectromechanical resonator using (i) data which is representative of the frequency of the first output signal and (ii) data which is representative of the frequency of the second output signal. The frequency division circuitry may include circuitry to divide the frequency of the first output signal by the frequency of the second output signal (whether in digital or analog domain).
摘要翻译：这里描述和说明了许多发明。一方面，本发明涉及一种温度测量系统，包括：（1）第一微机电谐振器，用于产生具有随工作温度变化的频率的第一输出信号，其中第一微机电谐振器包括温度的频率函数; （2）第二微机电谐振器，以产生具有随着工作温度变化的频率的第二输出信号，其中所述第二微机电谐振器包括温度的频率函数; 以及（3）耦合到第一和第二微机电谐振器的分频电路，以使用（i）表示第一和/或第二微机电谐振器的频率的数据来确定代表第一和/或第二微机电谐振器的工作温度的数据输出信号和（ii）表示第二输出信号的频率的数据。分频电路可以包括将第一输出信号的频率除以第二输出信号的频率（无论是在数字还是模拟域）的电路。

90. 发明授权

US07307482B2 Ring oscillator setting apparatus and method depending on environmental changes of an image formation apparatus 失效
标题翻译：环形振荡器设定装置及方法取决于图像形成装置的环境变化
公开(公告)号：US07307482B2
公开(公告)日：2007-12-11
申请号：US11136584
申请日：2005-05-25
申请人： Kwon-Cheol Lee , Sang-Sin Park
发明人： Kwon-Cheol Lee , Sang-Sin Park
IPC分类号： H03K3/03 , H03B5/12 , H03L1/00
CPC分类号： G06F1/06 , H03K3/011 , H03K3/0315 , H03L1/022
摘要： A ring oscillator setting apparatus and method depending on an environmental change of an image formation apparatus is provided. The apparatus includes a plurality of ring oscillators for generating different oscillation frequencies. The apparatus further includes a loopspeed detection unit to detect a loopspeed representing the number of pulses generated at the oscillation frequency by one of the ring oscillators selected from the plurality of ring oscillators for a predetermined unit time. Moreover, a state sensing unit is provided to detect a state of system environment of the image formation apparatus. A setting control unit is also provided to select and set one of the ring oscillators selected corresponding to change of the loopspeed detected from the loopspeed detection unit among the plurality of ring oscillators in response to the detected state of the state sensing unit. Therefore, even when external environment changes such as temperature and voltage of the image formation apparatus change, the one of the ring oscillators selected having the optimal loopspeed to generate a video clock can be set. Therefore, it is possible to minimize degradation of image quality caused by environmental changes.
摘要翻译：提供了一种根据图像形成装置的环境变化的环形振荡器设定装置和方法。该装置包括用于产生不同振荡频率的多个环形振荡器。该装置还包括一个环速检测单元，用于通过预定单位时间内从多个环形振荡器中选择的环形振荡器之一检测表示在振荡频率下产生的脉冲数的环速。此外，提供状态感测单元以检测图像形成装置的系统环境的状态。还提供了一种设置控制单元，用于响应于状态检测单元的检测状态，选择并设置与多个环形振荡器中的环速度检测单元检测到的环速变化相对应的选择的环形振荡器之一。因此，即使当诸如图像形成装置的温度和电压的外部环境变化改变时，可以设置选择的具有最佳环速以产生视频时钟的环形振荡器之一。因此，可以使由环境变化引起的图像质量的降低最小化。

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