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公开(公告)号：US20140210677A1
公开(公告)日：2014-07-31
申请号：US13756484
申请日：2013-01-31
IPC分类号： H01Q1/32
CPC分类号： H01Q1/3241 , H01Q5/50
摘要： An integrated circuit for use in remote keyless entry (RKE) applications is disclosed that integrates two drivers with a shared dual mode antenna. The drivers may be integrated on a single integrated circuit chip using high voltage (HV) complementary metal-oxide-semiconductor (CMOS) processes. In immobilizer mode of operation, an immobilizer driver coupled to the dual mode antenna is configured to drive the dual mode antenna, while an LF mode driver coupled to the dual mode antenna is configured to be idle. In LF mode of operation, the LF mode driver is configured to drive the dual mode antenna, while the immobilizer driver is configured to be idle. In some implementations, the drivers are coupled to a common node coupled to the dual mode antenna and are selectively biased with different supply voltages based on the current mode of operation to prevent current leakage and component damage.
摘要翻译： 公开了一种用于遥控无钥匙进入（RKE）应用的集成电路，其将两个驱动器与共享双模式天线集成。 驱动器可以集成在使用高压（HV）互补金属氧化物半导体（CMOS）工艺的单个集成电路芯片上。 在防盗器操作模式中，耦合到双模天线的防盗器驱动器被配置为驱动双模式天线，而耦合到双模天线的LF模式驱动器被配置为空闲。 在LF操作模式中，LF模式驱动器被配置为驱动双模式天线，而防盗器驱动器被配置为空闲。 在一些实现中，驱动器耦合到耦合到双模天线的公共节点，并且基于当前的操作模式选择性地偏置具有不同电源电压以防止电流泄漏和部件损坏。
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公开(公告)号：US07633422B2
公开(公告)日：2009-12-15
申请号：US12120659
申请日：2008-05-15
IPC分类号： H03M1/34
摘要： A transducer device for converting an analog DC voltage signal into a digital signal is provided, with an oscillator device for outputting a first oscillator signal and a second oscillator signal, whereby the oscillator device is formed to generate the first oscillator signal and the second oscillator signal phase-locked to one another and with the substantially same frequency from a reference signal, with an analog frequency converter connected to the oscillator device for transforming the analog DC voltage signal by the first oscillator signal in a first spectral range with a first center frequency to obtain a transformed signal, with an analog-to-digital converter for converting the transformed signal into a transformed digital signal; and with a digital frequency converter connected to the oscillator device for transforming the transformed digital signal by means of the second oscillator signal in a second spectral range with a second center frequency to obtain the digital signal.
摘要翻译： 提供了一种用于将模拟直流电压信号转换为数字信号的换能器装置，具有用于输出第一振荡器信号和第二振荡器信号的振荡器装置，由此形成振荡器装置以产生第一振荡器信号和第二振荡器信号 相互锁定并且具有与参考信号基本上相同的频率，其中模拟频率转换器连接到振荡器装置，用于在第一频谱范围内利用第一中心频率将第一振荡器信号的模拟直流电压信号变换为 使用用于将经变换的信号转换成变换的数字信号的模数转换器获得变换的信号; 以及连接到所述振荡器装置的数字频率转换器，用于通过具有第二中心频率的第二频谱范围内的所述第二振荡器信号变换所述经变换的数字信号，以获得所述数字信号。
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公开(公告)号：US08630603B2
公开(公告)日：2014-01-14
申请号：US12716816
申请日：2010-03-03
申请人： Marco Schwarzmueller
发明人： Marco Schwarzmueller
IPC分类号： H04B1/10
CPC分类号： H03D7/1483 , H04B1/28
摘要： A circuit and method for image frequency rejection is provided that includes an analog dual-quadrature mixer device whose signal inputs for an in-phase-signal and a quadrature-phase signal are connected to an input circuit in the signal path and whose oscillator inputs for an in-phase oscillator signal and a quadrature-phase oscillator signal are connected to a local oscillator device, having an analog adder-amplifier device, which has a number of transistor pairs, in which in each case both transistors of each transistor pair are connected to the same load resistor for the addition of the signals applied at the control inputs of both transistors, and in which the control inputs of both transistors are connected downstream of the outputs of analog dual-quadrature mixer device, and having a multistage analog polyphase filter whose inputs are connected to outputs of the adder-amplifier device.
摘要翻译： 提供了一种用于图像频率抑制的电路和方法，其包括模拟双正交混频器装置，其信号输入用于同相信号和正交相位信号连接到信号路径中的输入电路，并且其振荡器输入用于 同相振荡器信号和正交相位振荡器信号连接到具有多个晶体管对的模拟加法器 - 放大器装置的本地振荡器装置，其中在每种情况下，每个晶体管对的两个晶体管被连接 到相同的负载电阻器，用于增加施加在两个晶体管的控制输入端的信号，并且其中两个晶体管的控制输入连接在模拟双正交混频器装置的输出的下游，并具有多级模拟多相滤波器 其输入端连接到加法器 - 放大器装置的输出。
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公开(公告)号：US20080293369A1
公开(公告)日：2008-11-27
申请号：US12125087
申请日：2008-05-22
IPC分类号： H04B1/06
CPC分类号： H03G1/00 , H03G3/3052
摘要： A signal processing device and signal processing method is provided that includes a detection unit for detecting a signal strength of a signal, whereby the detection unit is configured to output a detection value that represents the signal strength of the signal; a settable digital filter connected upstream of the detection unit, whereby filter coefficients for setting a transfer characteristic of the filter are assigned to an amplification or attenuation of the signal by the filter; a digital multiplication unit, which is connected upstream of the detection unit for amplification or attenuation of the signal, whereby the multiplication unit is configured to compensate partially for the amplification or attenuation of the filter, whereby the compensation is encumbered with a residual error; and a correction unit to apply to the detection value a correction value at least partially compensating for the residual error.
摘要翻译： 提供一种信号处理装置和信号处理方法，其包括用于检测信号的信号强度的检测单元，由此检测单元被配置为输出表示信号的信号强度的检测值; 连接在检测单元上游的可设置的数字滤波器，由滤波器的传递特性设定滤波器系数，由滤波器分配给信号的放大或衰减; 数字乘法单元，其连接在检测单元的上游，用于信号的放大或衰减，由此乘法单元被配置为部分补偿滤波器的放大或衰减，由此补偿受到残余误差的影响; 以及校正单元，用于对所述检测值应用至少部分地补偿所述残差的校正值。
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5.发明授权公开(公告)号：US06842493B2
公开(公告)日：2005-01-11
申请号：US09734632
申请日：2000-12-11
申请人： Werner Blatz , Marco Schwarzmueller
发明人： Werner Blatz , Marco Schwarzmueller
CPC分类号： G06K7/0008
摘要： In a bi-directional contactless data transmission, a procedure aims to prevent the communication distance from being extended by unauthorized persons using radio repeaters. The procedure involves establishing a fixed relationship of a selected physical parameter of an electromagnetic signal. For example, the frequency of the signal received by a transponder is multiplied with a number to provide a different frequency, and a response signal having this different frequency is transmitted back to a base unit. In the base unit, the received frequency of this response signal is divided by the same number and the result is compared to the frequency of the originally emitted signal. If the resulting difference is below a preset threshold, then there is a fixed frequency relationship between the two signals, the process concludes that there has been no unauthorized extension of the communication distance by using repeaters, and the further authentication is carried out.
摘要翻译： 在双向非接触式数据传输中，程序旨在防止未授权人员使用无线电转发器延长通信距离。 该过程涉及建立电磁信号的选定物理参数的固定关系。 例如，由应答器接收到的信号的频率乘以数字以提供不同的频率，并且具有该不同频率的响应信号被发送回到基本单元。 在基本单元中，将该响应信号的接收频率除以相同的数字，并将结果与原始发射信号的频率进行比较。 如果所产生的差异低于预设阈值，则两个信号之间存在固定的频率关系，则该过程断定通过使用中继器没有未经授权的通信距离的扩展，并进行进一步的认证。
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6.发明授权Receiver, receiving method, and use of an in-phase signal and a quadrature-phase signal 有权接收机，接收方式以及使用同相信号和正交相位信号公开(公告)号：US08755466B2
公开(公告)日：2014-06-17
申请号：US12358329
申请日：2009-01-23
申请人： Marco Schwarzmueller
发明人： Marco Schwarzmueller
CPC分类号： H04B15/02
摘要： A receiver, receiving method, and use of an in-phase signal and a quadrature-phase signal is provided, that includes a mixer in the receiving path, an oscillator whose output is connected to a mixer input of the mixer, whereby the oscillator is formed to output a base signal, oscillating at a base frequency, at the output, a clock generation device to generate a clock signal from the base signal, whose input is connected to the output of the oscillator, whereby the clock generation device has a frequency converter for converting a base frequency of the base signal by the factor F=x+A, where x is a positive whole number and A a rational number between 0 and 1, and a signal processing device, which is connected downstream of the mixer in the receive path, whereby the signal processing device is connected to the clock generation device for control with the clock signal.
摘要翻译： 提供接收机，接收方法以及同相信号和正交相位信号的使用，其包括接收路径中的混频器，输出连接到混频器的混频器输入的振荡器，由此振荡器 形成为输出在基准频率在输出处振荡的基本信号，时钟发生装置，以从基本信号产生时钟信号，该基本信号的输入连接到振荡器的输出，由此时钟产生装置具有频率 转换器，用于将基本信号的基本频率转换为因子F = x + A，其中x是正整数，A是0和1之间的有理数，以及信号处理装置，其连接在混频器的下游 接收路径，由此信号处理装置连接到时钟发生装置，用于利用时钟信号进行控制。
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公开(公告)号：US20140152370A1
公开(公告)日：2014-06-05
申请号：US14153295
申请日：2014-01-13
申请人： Marco Schwarzmueller
发明人： Marco Schwarzmueller
IPC分类号： H03D7/14
CPC分类号： H03D7/1483 , H04B1/28
摘要： A circuit and method for image frequency rejection is provided that includes an analog dual-quadrature mixer device whose signal inputs for an in-phase-signal and a quadrature-phase signal are connected to an input circuit in the signal path and whose oscillator inputs for an in-phase oscillator signal and a quadrature-phase oscillator signal are connected to a local oscillator device, having an analog adder-amplifier device, which has a number of transistor pairs, in which in each case both transistors of each transistor pair are connected to the same load resistor for the addition of the signals applied at the control inputs of both transistors, and in which the control inputs of both transistors are connected downstream of the outputs of analog dual-quadrature mixer device, and having a multistage analog polyphase filter whose inputs are connected to outputs of the adder-amplifier device.
摘要翻译： 提供了一种用于图像频率抑制的电路和方法，其包括模拟双正交混频器装置，其信号输入用于同相信号和正交相位信号连接到信号路径中的输入电路，并且其振荡器输入用于 同相振荡器信号和正交相位振荡器信号连接到具有多个晶体管对的模拟加法器 - 放大器装置的本地振荡器装置，其中在每种情况下，每个晶体管对的两个晶体管被连接 到相同的负载电阻器，用于增加施加在两个晶体管的控制输入端的信号，并且其中两个晶体管的控制输入连接在模拟双正交混频器装置的输出的下游，并具有多级模拟多相滤波器 其输入端连接到加法器 - 放大器装置的输出。
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公开(公告)号：US07120217B2
公开(公告)日：2006-10-10
申请号：US09971748
申请日：2001-10-04
申请人： Marco Schwarzmueller
发明人： Marco Schwarzmueller
CPC分类号： H03L7/099 , H03L7/0893 , H03L7/18 , H03L2207/06
摘要： In a PLL circuit including a voltage-controlled oscillator, a phase detector and a final control element, the final control element contains two separate channels, between the phase detector and the voltage controlled oscillator, wherein one channel processes the useful signal components and the other channel processes the disturbance signal components of the synchronization pulses. Each channel has two tracks, for generation of a potential difference, wherein each track is connected to a capacitor plate.
摘要翻译： 在包括压控振荡器，相位检测器和最终控制元件的PLL电路中，最终控制元件在相位检测器和压控振荡器之间包含两个单独的通道，其中一个通道处理有用信号分量，另一个通道 通道处理同步脉冲的干扰信号分量。 每个通道具有用于产生电势差的两个轨道，其中每个轨道连接到电容器板。
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公开(公告)号：US08306489B2
公开(公告)日：2012-11-06
申请号：US12578919
申请日：2009-10-14
申请人： Marco Schwarzmueller , Holger Schulz , Werner Blatz , Uwe Erben
发明人： Marco Schwarzmueller , Holger Schulz , Werner Blatz , Uwe Erben
CPC分类号： H04B1/0458 , H01Q7/00
摘要： A circuit for a loop antenna having a first antenna terminal and a second antenna terminal with an antenna impedance, and method for tuning an overall impedance that has an antenna impedance of a loop antenna and a tuning impedance, with an output amplifier for amplifying a transmit signal that has an output for connection to the first antenna terminal of the loop antenna, with a tuning device designed for automatic tuning that has a terminal, which is separated from the output of the output amplifier for connection to the second antenna terminal, in which the tuning device has an adjustable tuning impedance that is connected to the terminal, in which the tuning device has a measurement device that is connected to the tuning impedance in order to measure a voltage amplitude across the tuning impedance, in which the tuning device has a computing unit that is connected to the measurement device and the adjustable tuning impedance, and in which the computing unit is designed for automatic adjustment of the tuning impedance based on evaluation of the voltage amplitude and the tuning impedance.
摘要翻译： 一种用于具有第一天线端子和具有天线阻抗的第二天线端子的环形天线的电路，以及用于调谐具有环形天线的天线阻抗的整体阻抗和调谐阻抗的方法，用于放大发送 信号，其具有用于连接到环形天线的第一天线端子的输出，具有被设计用于自动调谐的调谐装置，其具有与用于连接到第二天线端子的输出放大器的输出分离的端子，其中 调谐装置具有连接到端子的可调谐调谐阻抗，其中调谐装置具有连接到调谐阻抗的测量装置，以便测量跨越调谐阻抗的电压幅度，其中调谐装置具有 连接到测量装置的计算单元和可调谐调谐阻抗，并且其中计算单元被设计为自动的 基于电压幅度和调谐阻抗的评估来调整调谐阻抗。
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公开(公告)号：US08107911B2
公开(公告)日：2012-01-31
申请号：US12125087
申请日：2008-05-22
CPC分类号： H03G1/00 , H03G3/3052
摘要： A signal processing device and signal processing method is provided that includes a detection unit for detecting a signal strength of a signal, whereby the detection unit is configured to output a detection value that represents the signal strength of the signal; a settable digital filter connected upstream of the detection unit, whereby filter coefficients for setting a transfer characteristic of the filter are assigned to an amplification or attenuation of the signal by the filter; a digital multiplication unit, which is connected upstream of the detection unit for amplification or attenuation of the signal, whereby the multiplication unit is configured to compensate partially for the amplification or attenuation of the filter, whereby the compensation is encumbered with a residual error; and a correction unit to apply to the detection value a correction value at least partially compensating for the residual error.
摘要翻译： 提供一种信号处理装置和信号处理方法，其包括用于检测信号的信号强度的检测单元，由此检测单元被配置为输出表示信号的信号强度的检测值; 连接在检测单元上游的可设置的数字滤波器，由滤波器的传递特性设定滤波器系数，由滤波器分配给信号的放大或衰减; 数字乘法单元，其连接在检测单元的上游，用于信号的放大或衰减，由此乘法单元被配置为部分补偿滤波器的放大或衰减，由此补偿受到残余误差的影响; 以及校正单元，用于对所述检测值应用至少部分地补偿所述残差的校正值。
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