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71.发明申请MODULATION METHOD FOR IMPROVING SIGNAL CONVERSION GAIN AND HIGH-GAIN MODULATOR THEREOF 有权用于改善信号转换增益和高增益调制器的调制方法公开(公告)号：US20150318877A1
公开(公告)日：2015-11-05
申请号：US14559159
申请日：2014-12-03
发明人： Yi-Jan Chen , Li-Fan Tsai
CPC分类号： H03C3/00 , H03D7/1441 , H03D7/1458 , H03D7/1466 , H04B1/04
摘要： A modulation method includes sampling the first input signal by using the first local oscillation signal and the second local oscillation signal to generate the first sampled signal, sampling the second input signal by using the third local oscillation signal and the fourth local oscillation signal to generate the second sampled signal, sampling the second input signal by using the first local oscillation signal and the second local oscillation signal to generate the third sampled signal, sampling the first input signal by using the third local oscillation signal and the fourth local oscillation signal to generate the fourth sampled signal, adding the first sampled signal and the second sampled signal to produce the first modulation signal, adding the third sampled signal and the fourth sampled signal to generate the second modulation signal, and adding the first modulation signal and the second modulation signal to generate an output signal.
摘要翻译： 调制方法包括利用第一本地振荡信号和第二本地振荡信号对第一输入信号进行采样，以产生第一采样信号，通过使用第三本地振荡信号和第四本地振荡信号对第二输入信号进行采样，以产生 第二采样信号，通过使用第一本地振荡信号和第二本地振荡信号对第二输入信号进行采样以产生第三采样信号，通过使用第三本地振荡信号和第四本地振荡信号对第一输入信号进行采样，以产生第 第四采样信号，将第一采样信号和第二采样信号相加以产生第一调制信号，将第三采样信号和第四采样信号相加以产生第二调制信号，并将第一调制信号和第二调制信号相加 产生输出信号。
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72.发明授权Remote wire feeder using binary phase shift keying to modulate communications of command/control signals to be transmitted over a weld cable 有权远程送丝机采用二进制相移键控来调制通过焊接电缆传输的命令/控制信号的通讯公开(公告)号：US09012807B2
公开(公告)日：2015-04-21
申请号：US11609871
申请日：2006-12-12
申请人： Brian L. Ott , Quinn W. Schartner
发明人： Brian L. Ott , Quinn W. Schartner
CPC分类号： B23K9/10 , B23K9/095 , B23K9/1087 , B23K9/124 , H03C3/00 , H03C5/00 , H04B3/546 , H04B2203/5458 , H04B2203/547 , H04B2203/5483 , H04B2203/5491 , H04L1/1867 , H04L27/18
摘要： The present invention is directed to a system and method of remotely controlling a welding machine with command signals transmitted to the welding power source across a weld cable connecting the power source to a remote device, such a wire feeder. A transmitter transmits the control commands containing desired welding operational parameters to a receiver disposed in the power source across a weld cable also designed to carry welding power from the power source to the wire feeder.
摘要翻译： 本发明涉及一种远程控制焊接机的系统和方法，该命令信号通过焊接电缆传送到焊接电源，该焊接电缆将电源连接到远程设备，例如送丝机。 变送器将包含期望的焊接操作参数的控制命令发送到设计在电源中的接收器，该焊接电缆还被设计成将焊接电力从电源传送到送丝机。
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公开(公告)号：US20140357199A1
公开(公告)日：2014-12-04
申请号：US14461120
申请日：2014-08-15
CPC分类号： H04B1/16 , G06F7/68 , H03C3/00 , H03D3/00 , H03K3/0315 , H03K5/00006 , H04B1/38
摘要： Described herein is a wireless transceiver and related method that enables ultra low power transmission and reception of wireless communications. In an example embodiment of the wireless transceiver, the wireless transceiver receives a first-reference signal having a first-reference frequency. The wireless transceiver then uses the first-reference signal to injection lock a local oscillator, which provides a set of oscillation signals each having an oscillation frequency that is equal to the first-reference frequency, and each having equally spaced phases. Then the wireless transceiver combines the set of oscillation signals into an output signal having an output frequency that is one of (i) a multiple of the first-reference frequency (in accordance with a transmitter implementation) or (ii) a difference of (a) a second-reference frequency of a second-reference signal and (b) a multiple of the first-reference frequency (in accordance with a receiver implementation).
摘要翻译： 这里描述了能够实现无线通信的超低功率发送和接收的无线收发器和相关方法。 在无线收发器的示例实施例中，无线收发器接收具有第一参考频率的第一参考信号。 然后，无线收发器使用第一参考信号来注入锁定本地振荡器，该本地振荡器提供一组振荡信号，每个振荡信号具有等于第一参考频率的振荡频率，并且每个具有相等间隔的相位。 然后无线收发器将该组振荡信号组合成具有输出频率的输出信号，输出频率是（i）第一参考频率的倍数（根据发射机实现）之一或（ii）（a ）第二参考信号的第二参考频率和（b）第一参考频率的倍数（根据接收机实现）。
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公开(公告)号：US08866559B2
公开(公告)日：2014-10-21
申请号：US13049476
申请日：2011-03-16
申请人： Frank Joseph Pompei
发明人： Frank Joseph Pompei
摘要： A parametric audio system that permits greater control over the bandwidth of a modulated signal. The system includes a carrier signal generator for generating a carrier signal, at least one audio signal source for generating at least one audio signal, and a modulation component for generating an envelope signal based on the at least one audio signal, modulating the phase of the carrier signal based on a predetermined function to generate a first modulated signal, and multiplying the envelope signal and the first modulated signal to generate a second modulated signal. By selection of the predetermined function, the modulation component can alter the spectrum of the second modulated signal, thereby permitting greater control over the bandwidth of the second modulated signal.
摘要翻译： 一个参数化音频系统，可以更好地控制调制信号的带宽。 该系统包括用于产生载波信号的载波信号发生器，用于产生至少一个音频信号的至少一个音频信号源，以及用于基于至少一个音频信号产生包络信号的调制分量，调制 基于预定功能产生第一调制信号，并且将包络信号和第一调制信号相乘以产生第二调制信号。 通过选择预定功能，调制分量可以改变第二调制信号的频谱，从而允许更多地控制第二调制信号的带宽。
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公开(公告)号：US20140269976A1
公开(公告)日：2014-09-18
申请号：US13833031
申请日：2013-03-15
CPC分类号： H04L27/2647 , H03C3/00 , H03C5/00 , H03C2200/0058 , H03M1/66 , H04B7/0413 , H04L27/2637
摘要： A RF digital to analog converter has a first capacitor arrangement, a first common node, and a first controller. The first capacitor arrangement has multiple switchable capacitor paths arranged in parallel. Respective switchable capacitor paths have a switchable element and a capacitor coupled in series. The first common node is connected to the multiple switchable capacitor paths. The first controller receives a baseband signal having an in-phase component and a quadrature component, and a local oscillator (LO) signal having an in-phase LO signal and a quadrature LO signal. The first controller combines the in-phase component and the in-phase LO signal to obtain a first in-phase modulation signal and combines the quadrature component and the quadrature LO signal to obtain a first quadrature modulation signal. The first controller controls the multiple switchable capacitor paths of the first capacitor arrangement with the first in-phase modulation signal and/or the first quadrature modulation signal.
摘要翻译： RF数模转换器具有第一电容器布置，第一公共节点和第一控制器。 第一电容器布置具有并联布置的多个可切换电容器路径。 各可切换电容器路径具有可切换元件和串联耦合的电容器。 第一公共节点连接到多个可切换电容器路径。 第一控制器接收具有同相分量和正交分量的基带信号以及具有同相LO信号和正交LO信号的本地振荡器（LO）信号。 第一控制器组合同相分量和同相LO信号以获得第一同相调制信号，并组合正交分量和正交LO信号以获得第一正交调制信号。 第一控制器利用第一同相调制信号和/或第一正交调制信号来控制第一电容器装置的多个可切换电容器路径。
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公开(公告)号：US08723613B2
公开(公告)日：2014-05-13
申请号：US13215676
申请日：2011-08-23
申请人： Bo Sun
发明人： Bo Sun
CPC分类号： H04L27/2032 , H03C3/00 , H03L7/0812 , H04L27/205 , H04L27/361
摘要： An apparatus for phase modulation includes a delay locked loop configured to generate from a reference signal a plurality of phase shifted signals, each of the phase shifted signals being locked to the reference signal and having a different phase shift from the other phase shifted signals with respect to the reference signal, and a multiplexer configured to select one of the phase shifted signals.
摘要翻译： 一种用于相位调制的装置包括：延迟锁定环路，被配置为从参考信号产生多个相移信号，每个相移信号被锁定到参考信号，并且与其它相移信号具有不同的相移 以及被配置为选择所述相移信号之一的多路复用器。
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公开(公告)号：US08373357B2
公开(公告)日：2013-02-12
申请号：US12690258
申请日：2010-01-20
CPC分类号： H03C3/00 , H04L27/122 , H05B41/2828
摘要： An integrated circuit device has a modulator module that provides a modulation signal comprising one frequency keyed on and off, or alternating between two or more different frequencies or phases that are selected based upon a modulator signal. The one or more frequencies or phases may be selected from a plurality of frequency sources. Switching the one frequency on or off, or between the at least two different frequencies or phases may be synchronized with one or both of the two or more different frequencies or phases so that “glitches” or spurs are not introduced into the modulation signal. The integrated circuit device may also comprise a processor, memory, digital logic and input-output. Frequency sources may be internal to the digital device or external. The modulator signal may comprise serial data generated from the digital logic and/or processor of the digital device.
摘要翻译： 集成电路装置具有调制器模块，该调制器模块提供包括基于调制器信号选择的一个频率键控开关或交替的两个或多个不同频率或相位之间的调制信号。 可以从多个频率源中选择一个或多个频率或相位。 将一个频率开启或关闭，或者在至少两个不同的频率或相位之间切换可以与两个或多个不同的频率或相位中的一个或两个同步，使得毛刺或杂散不被引入到调制信号中。 集成电路设备还可以包括处理器，存储器，数字逻辑和输入 - 输出。 频率源可能在数字设备内部或外部。 调制器信号可以包括从数字设备的数字逻辑和/或处理器产生的串行数据。
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公开(公告)号：US20110304368A1
公开(公告)日：2011-12-15
申请号：US13215676
申请日：2011-08-23
申请人： Bo Sun
发明人： Bo Sun
IPC分类号： H03L7/06
CPC分类号： H04L27/2032 , H03C3/00 , H03L7/0812 , H04L27/205 , H04L27/361
摘要： An apparatus for phase modulation includes a delay locked loop configured to generate from a reference signal a plurality of phase shifted signals, each of the phase shifted signals being locked to the reference signal and having a different phase shift from the other phase shifted signals with respect to the reference signal, and a multiplexer configured to select one of the phase shifted signals.
摘要翻译： 一种用于相位调制的装置包括：延迟锁定环路，被配置为从参考信号产生多个相移信号，每个相移信号被锁定到参考信号，并且与其它相移信号具有不同的相移 以及被配置为选择所述相移信号之一的多路复用器。
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公开(公告)号：US20090207941A1
公开(公告)日：2009-08-20
申请号：US12031866
申请日：2008-02-15
申请人： Saleh Osman , Earl W. McCune, JR.
发明人： Saleh Osman , Earl W. McCune, JR.
摘要： An apparatus for providing an angle modulated signal includes a tunable oscillator circuit, a variable time delay circuit, and an optional scaling and delay control apparatus. The tunable oscillator circuit generates an oscillatory signal having a predetermined frequency. The variable time delay circuit operates to delay the oscillatory signal in accordance with time varying changes in an angle control signal, thereby producing the desired angle modulated signal. The scaling and delay control apparatus is configured to scale the angle control signal to account for frequency dependent phase delays of the oscillatory signal through the variable time delay circuit. The methods and apparatus of the present invention may be advantageously used in RF transmitters and receivers, such as in a polar transmitter, where the oscillatory signal generated by the tunable oscillator apparatus serves as a carrier signal, and the angle control signal used to control the delay of the variable time delay circuit comprises a phase modulation signal from the phase path of the polar transmitter.
摘要翻译： 用于提供角度调制信号的装置包括可调振荡器电路，可变时间延迟电路和可选的缩放和延迟控制装置。 可调振荡器电路产生具有预定频率的振荡信号。 可变时间延迟电路用于根据角度控制信号中的时变变化来延迟振荡信号，从而产生所需的角度调制信号。 缩放和延迟控制装置被配置为通过可变时间延迟电路来缩放角度控制信号以考虑振荡信号的频率相关相位延迟。 本发明的方法和装置可以有利地用在RF发射机和接收机中，例如在极性发射机中，由可调谐振荡器产生的振荡信号用作载波信号，以及用于控制 可变时间延迟电路的延迟包括来自极性发射机的相位路径的相位调制信号。
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公开(公告)号：US20080253480A1
公开(公告)日：2008-10-16
申请号：US11734415
申请日：2007-04-12
申请人： William N. Furman , John W. Nieto
发明人： William N. Furman , John W. Nieto
IPC分类号： H03C3/00
CPC分类号： H03C3/00 , H04L27/12 , H04L27/122
摘要： Method for modulating an RF signal includes the steps of modulating an RF signal using frequency shift keying (FSK) modulation to define a plurality of symbols (2030, 2031). The FSK modulation includes transitioning the modulated signal (204) between at least two different frequencies (f1 and f0) during a guard period (210). The method includes the further step of varying a frequency of the modulated signal 204 during the guard period (210) in accordance with a predetermined rate of change. The predetermined rate of change is selected to minimize a bandwidth of the RF signal.
摘要翻译： 用于调制RF信号的方法包括以下步骤：使用频移键控（FSK）调制来调制RF信号，以定义多个符号（203），203（1）。 FSK调制包括在保护周期（210）期间在至少两个不同频率（f 1> 1和f 0 0 0）之间转换调制信号（204）。 该方法还包括根据预定的变化率在保护周期（210）期间改变调制信号204的频率的步骤。 选择预定变化率以最小化RF信号的带宽。
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