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    • 2. 发明申请
    • A TRANSMITTER FOR MULTIPLE STANDARDS
    • 多标准发射机
    • WO2009043017A1
    • 2009-04-02
    • PCT/US2008/078144
    • 2008-09-29
    • NANOAMP SOLUTIONS, INC. (CAYMAN)SHEN, David H.HWANG, Chien-MeenSHEN, Ann P.
    • SHEN, David H.HWANG, Chien-MeenSHEN, Ann P.
    • H04B1/04
    • H04B1/0483H04B2001/0491
    • Generally, implementations provide a circuit framework that uses phase and amplitude modulation with several voltage-controlled-oscillators (VCOs) and corresponding variable gain amplifiers (VGAs) to generate and amplitude and phase modulated signals that are summed to an output signal for a transmitter circuit. The implementations can involve decomposing an input signal into a number of decomposed signals using a signal decomposer component, in which each of decomposed signals includes phase and amplitude information. The signal decomposer component can interact with each of the VCOs and corresponding VGAs to conduct the phase and amplitude modulation for the amplitude and phase modulated signals. The multiple standard transmitter circuit can be used for one or more communication standards, such as Global System for Mobile Communications (GSM), a Wideband Code Division Multiple Access (WCDMA), or High-Speed Uplink Packet Access (HSUPA), among others.
    • 通常,实施方案提供了一种电路框架,其使用相位和幅度调制与若干电压控制振荡器(VCO)和相应的可变增益放大器(VGA)产生并将幅度和相位调制信号相加到发射机电路的输出信号 。 这些实现可以包括使用信号分解器组件将输入信号分解成多个分解信号,其中每个分解信号包括相位和幅度信息。 信号分解器组件可以与每个VCO和对应的VGA相互作用,以对振幅和相位调制信号进行相位和幅度调制。 多标准发射机电路可以用于诸如全球移动通信系统(GSM),宽带码分多址(WCDMA)或高速上行链路分组接入(HSUPA)等一种或多种通信标准。
    • 3. 发明申请
    • ADC USE WITH MULTIPLE SIGNAL MODES
    • ADC使用多种信号模式
    • WO2009042691A2
    • 2009-04-02
    • PCT/US2008/077533
    • 2008-09-24
    • NANOAMP SOLUTIONS, INC. (CAYMAN)HWANG, Chien-meenSHEN, Ann P.
    • HWANG, Chien-meenSHEN, Ann P.
    • H03M1/12
    • H03M1/18
    • A signal is received and whether a signal mode of the signal is a first signal mode or a second signal mode is determined. A gain of a variable gain amplifier is adjusted to a first gain value if the signal mode of the signal is determined to be the first signal mode or a second gain value if the signal mode of the signal is determined to be the second signal mode. The signal is amplified with the variable gain amplifier by the first gain value or the second gain value. The signal is converted to a digital signal with an analog to digital converter after the signal is amplified with the variable gain amplifier by the first gain value or the second gain value.
    • 接收信号并确定信号的信号模式是第一信号模式还是第二信号模式。 如果信号的信号模式被确定为第一信号模式,则可变增益放大器的增益被调整到第一增益值,或者如果信号的信号模式被确定为第二信号模式,则增益被调整到第二增益值。 信号由可变增益放大器以第一增益值或第二增益值放大。 信号在用可变增益放大器放大第一增益值或第二增益值之后,通过模数转换器转换成数字信号。
    • 4. 发明申请
    • VOLTAGE REGULATOR
    • 电压稳压器
    • WO2009042281A1
    • 2009-04-02
    • PCT/US2008/070473
    • 2008-07-18
    • NANOAMP SOLUTIONS, INC. (CAYMAN)SHEN, David H.SHEN, Ann P.
    • SHEN, David H.SHEN, Ann P.
    • G05F1/56
    • G05F1/565
    • In some implementations, a system includes a low-power voltage regulator that can switch between three power modes: a power shutdown mode, a low power mode, and a higher power mode. The system includes a selector coupled to the voltage regulator to switch between the low power mode and the higher power mode, and a switch to switch between the power shutdown mode and the low or higher power mode. The system also has a control circuit to control the switch and the selector to control operation of the voltage regulator in any of the three power modes. A total current used in the voltage regulator in the low power mode is on the order of microamps or nanoamps. The voltage regulator in the low power mode has two to more orders of magnitude of lower current use than the voltage regulator in the higher power mode.
    • 在一些实施方式中,系统包括能够在三种功率模式之间切换的低功率电压调节器:电源关闭模式,低功率模式和较高功率模式。 该系统包括耦合到电压调节器以在低功率模式和较高功率模式之间切换的选择器,以及在功率关断模式和低功率或更高功率模式之间切换的开关。 该系统还具有控制电路,用于控制开关和选择器,以控制三种功率模式中的任何一种电压调节器的操作。 在低功率模式下,电压调节器中使用的总电流为微安或纳秒级。 低功耗模式下的电压调节器在较高功率模式下具有比电压调节器低两到几个数量级的低电流使用。
    • 5. 发明申请
    • INDIVIDUAL VOLTAGE TRIMMING WITH WAVEFORMS
    • 具有波形的单独电压调整
    • WO2006052466A1
    • 2006-05-18
    • PCT/US2005/038743
    • 2005-10-26
    • DIMATIX, INC.GARDNER, Deane, A.
    • GARDNER, Deane, A.
    • B41J2/045
    • B41J2/04508B41J2/04541B41J2/0458B41J2/04581B41J2/04588
    • Apparatus including a plurality of droplet ejection devices, an electric source and a controller (20). Each droplet ejection device (860) includes switches (Sc1, Sc2, … ScN) connected in parallel to a piezoelectric actuator (c). Each switch includes an input terminal to connect to an input waveform (Xv) signal, an output terminal to connect to the piezoelectric actuator, a control signal terminal to control a connection of the switch with a control signal, and a resistance (Rc1, Rc2, …RcN) between the input terminal and output terminal. The apparatus has a waveform table with information to distribute the input waveform signal to an input of each of the droplet ejection devices. The waveform signal table includes waveform signal information for a step pulse, a sawtooth waveform, and/or a combination of two or more waveform patterns.
    • 包括多个液滴喷射装置的装置,电源和控制器(20)。 每个液滴喷射装置(860)包括与压电致动器(c)并联连接的开关(Sc1,Sc2,ScN)。 每个开关包括用于连接到输入波形(Xv)信号的输入端子,连接到压电致动器的输出端子,用于控制开关与控制信号的连接的控制信号端子和电阻(Rc1,Rc2 ,RcN)在输入端子和输出端子之间。 该装置具有波形表,其具有将输入波形信号分配给每个液滴喷射装置的输入的信息。 波形信号表包括用于步进脉冲,锯齿波形和/或两个或更多个波形图案的组合的波形信号信息。
    • 6. 发明申请
    • VIDEO COMPRESSION AND TRANMISSION TECHNIQUES
    • 视频压缩和传输技术
    • WO2009045683A1
    • 2009-04-09
    • PCT/US2008/075605
    • 2008-09-08
    • LEONTARIS, AthanasiosTOURAPIS, Alexandros
    • LEONTARIS, AthanasiosTOURAPIS, Alexandros
    • H04N7/26
    • H04N19/124H04N19/126H04N19/137H04N19/14H04N19/142H04N19/149H04N19/15H04N19/152H04N19/154H04N19/159H04N19/172H04N19/174H04N19/176H04N19/194H04N19/61H04N19/615H04N19/80
    • Embodiments feature families of rate allocation and rate control methods that utilize advanced processing of past and future frame/field picture statistics and are designed to operate with one or more coding passes. At least two method families include: a family of methods for a rate allocation with picture look-ahead; and a family of methods for average bit rate (ABR) control methods. At least two other methods for each method family are described. For the first family of methods, some methods may involve intra rate control. For the second family of methods, some methods may involve high complexity ABR control and/or low complexity ABR control. These and other embodiments can involve any of the following: spatial coding parameter adaptation, coding prediction, complexity processing, complexity estimation, complexity filtering, bit rate considerations, quality considerations, coding parameter allocation, and/or hierarchical prediction structures, among others.
    • 实施例具有利用过去和未来帧/场图像统计的高级处理的速率分配和速率控制方法的系列,并且被设计为以一个或多个编码通行进行操作。 至少有两个方法家族包括:一系列用于速率分配的方法,具有前瞻性; 以及一系列平均比特率(ABR)控制方法的方法。 描述了每种方法族的至少两种其它方法。 对于第一类方法,一些方法可能涉及帧内速率控制。 对于第二类方法,一些方法可能涉及高复杂度ABR控制和/或低复杂度ABR控制。 这些和其他实施例可以涉及以下任何一个:空间编码参数适配,编码预测,复杂度处理,复杂度估计,复杂度滤波,比特率考虑,质量考虑,编码参数分配和/或分级预测结构等。