利索-全球专利检索

  1. 登录
  2. 注册

搜索结果

12 条记录 (耗时 0.025 秒)

    Circuit and method for adjusting timing alignment using programmable codes
    1.
    发明申请
    Circuit and method for adjusting timing alignment using programmable codes 有权
    使用可编程代码调整定时对准的电路和方法

    公开(公告)号：US20060104337A1

    公开(公告)日：2006-05-18

    申请号：US10990367

    申请日：2004-11-18

    申请人： Terence Johnson ,  Timothy Miller ,  Nitin Sharma

    发明人： Terence Johnson ,  Timothy Miller ,  Nitin Sharma

    IPC分类号： H04B1/707

    CPC分类号： H04B1/7183 ,  H04B1/71632

    摘要： A method is provided for adjusting timing alignment in which a receiver generates a plurality of imbalanced correction codes (1310), and square waves both having the same frequency. The receiver mixes the imbalanced correction codes with the square waves to create a mixed signal (1320), and integrates the mixed signal over a correction code period to generate a signal power value (1330). The receiver adjusts a phase of the square wave in a first direction when the signal power value satisfies a first criterion (1340, 1350), and in a second direction when the signal power value satisfies a second criterion (1340, 1360). Each imbalanced correction code is symmetrical. And a total integrated value of one of the imbalanced correction codes over the correction code period is either above a first threshold, or below a second threshold, the first threshold being greater than or equal to the second threshold.

    摘要翻译： 提供了一种用于调整接收器产生多个不平衡校正码（1310）的定时对准的方法以及具有相同频率的方波。 接收器将不平衡校正码与方波混合以产生混合信号（1320），并且通过校正码周期对混合信号进行积分以产生信号功率值（1330）。 当信号功率值满足第一标准（1340,1350）时，接收器在第一方向上调整方波的相位，并且当信号功率值满足第二标准（1340,1360）时，第二方向调整方波的相位。 每个不平衡校正码是对称的。 并且在校正码周期中不平衡校正码之一的总积分值大于第一阈值或低于第二阈值，第一阈值大于或等于第二阈值。

    Circuit and method for reducing direct current biases
    2.
    发明申请
    Circuit and method for reducing direct current biases 有权
    减少直流偏压的电路和方法

    公开(公告)号：US20060105731A1

    公开(公告)日：2006-05-18

    申请号：US10990400

    申请日：2004-11-18

    申请人： Terence Johnson ,  Nitin Sharma ,  Ryan Lobo

    发明人： Terence Johnson ,  Nitin Sharma ,  Ryan Lobo

    IPC分类号： H04B1/10

    CPC分类号： H03D3/008 ,  H04B1/71637

    摘要： A method is provided for reducing a DC bias in a receiver. This method includes isolating a second circuit portion from a first circuit portion (535) and determining a second DC bias correction value for the second circuit portion that will eliminate a second DC bias at the isolated second circuit portion (540). The second circuit portion is then connected to the first circuit portion (550) and a bias-maximizing code word is generated at the first circuitry (505). A first DC bias correction value is then determined that will eliminate a first DC bias at the first circuit portion (555). The bias-maximizing code word is formed such that: a first integrated value of a first half of the bias-maximizing code word has a positive value, and a second integrated value of a second half of the bias-maximizing code word over half of the code word length has a negative value.

    摘要翻译： 提供了一种减少接收机中的直流偏压的方法。 该方法包括从第一电路部分（535）隔离第二电路部分，并且确定将消除隔离的第二电路部分（540）处的第二DC偏置的第二电路部分的第二DC偏置校正值。 然后，第二电路部分连接到第一电路部分（550），并且在第一电路（505）处产生偏置最大化码字。 然后确定将消除第一电路部分处的第一DC偏压（555）的第一DC偏置校正值。 偏置最大化码字形成为：偏置最大化码字的前半部分的第一积分值具有正值，偏差最大化码字的第二半的第二积分值超过偏差最大化码字的一半以上 码字长度为负值。

    Circuit and method for dynamically adjusting a filter bandwidth
    3.
    发明申请
    Circuit and method for dynamically adjusting a filter bandwidth 失效
    用于动态调整滤波器带宽的电路和方法

    公开(公告)号：US20060140322A1

    公开(公告)日：2006-06-29

    申请号：US11022883

    申请日：2004-12-28

    申请人： Terence Johnson ,  Timothy Miller

    发明人： Terence Johnson ,  Timothy Miller

    IPC分类号： H03D3/24

    CPC分类号： H03L7/093 ,  H03D13/00 ,  H03L7/0991 ,  H04L7/0004 ,  H04L7/033

    摘要： A tracking circuit (100) is provided for controlling a locally-generated clock. A receive channel (110) in the tracking circuit receives an incoming signal and a local clock, generates a local signal based on the local clock, and compares the local signal and the incoming signal to generate a data signal and an unfiltered phase error signal. A loop filter (120) filters the unfiltered phase error signal to provide a filtered phase error signal. A numerically controlled oscillator (140) generates a correction clock based on the filtered phase error signal. And a filter control circuit (160) provides one or more filter control signals to control operational parameters of the loop filter. The correction clock is provided to the receive channel to modify at least one of the phase and frequency of the local clock. In addition, a sample switch (125) may also be provided to sample the unfiltered phase error signal.

    摘要翻译： 提供跟踪电路（100）用于控制本地产生的时钟。 跟踪电路中的接收通道（110）接收输入信号和本地时钟，基于本地时钟产生本地信号，并且比较本地信号和输入信号以产生数据信号和未滤波的相位误差信号。 环路滤波器（120）对未滤波的相位误差信号进行滤波以提供滤波的相位误差信号。 数控振荡器（140）基于滤波的相位误差信号产生校正时钟。 并且滤波器控制电路（160）提供一个或多个滤波器控制信号以控制环路滤波器的操作参数。 校正时钟被提供给接收通道以修改本地时钟的相位和频率中的至少一个。 此外，还可以提供采样开关（125）以对未滤波的相位误差信号进行采样。

    Radiotelephone
    4.
    发明申请
    Radiotelephone 有权
    无线电话

    公开(公告)号：US20060239445A1

    公开(公告)日：2006-10-26

    申请号：US11431220

    申请日：2006-05-09

    申请人： Thomas Fuhrmann ,  Annett Ortscheid (nee Wilke) ,  Dirk Umbach ,  Ricky Barnett ,  Terence Johnson ,  Mark Mason ,  Bruce Samuels ,  Tony Horne

    发明人： Thomas Fuhrmann ,  Annett Ortscheid (nee Wilke) ,  Dirk Umbach ,  Ricky Barnett ,  Terence Johnson ,  Mark Mason ,  Bruce Samuels ,  Tony Horne

    IPC分类号： H04M1/00

    CPC分类号： H04M1/0283 ,  H04M1/0252

    摘要： A hand held communications device is provided. The device includes: a circuit board including electronic components; display coupled to the circuit board; a housing substantially surrounding the circuit board and electronic components, wherein the housing includes a base element covering a bottom side of the circuit board and electronic components and a housing element attached to the base element covering a top side of the circuit board and electronic components, wherein the housing element includes a display aperture with the display partially projecting therethrough; and a cover removably connected to the housing by a connection, wherein the cover and the base element substantially enclose the housing element therebetween.

    摘要翻译： 提供了一种手持通信设备。 该装置包括：包括电子部件的电路板; 显示器耦合到电路板; 壳体，其基本上围绕所述电路板和电子部件，其中所述壳体包括覆盖所述电路板的底侧的基座元件和电子部件以及附接到所述基座元件的壳体元件，所述壳体元件覆盖所述电路板的顶侧和电子部件， 其中所述壳体元件包括显示器孔，所述显示器部分地突出穿过所述显示孔; 以及通过连接可拆卸地连接到所述壳体的盖，其中所述盖和所述基座元件在其间基本上包围所述壳体元件。

    Radio with retractable antenna
    5.
    发明授权
    Radio with retractable antenna 失效
    收音机带可伸缩天线

    公开(公告)号：US5534878A

    公开(公告)日：1996-07-09

    申请号：US036939

    申请日：1993-03-25

    申请人： Terence Johnson

    发明人： Terence Johnson

    IPC分类号： H04B1/03 ,  H01Q1/24 ,  H04B1/08 ,  H04B1/38 ,  H04Q7/32

    CPC分类号： H04B1/3827 ,  H01Q1/244

    摘要： A portable radio, eg a radio telephone, includes a slim, flexible antenna (2) retractable within a compartment (1a) of the radio housing (1). A flexible insulating sleeve (9) is provided in the compartment (1a) around the antenna (2) such that the antenna is able to slide relatively freely therein when the antenna is moved between the extended and retracted position. The sleeve (9) prevents the flexible antenna (2) from rattling against the internal parts of the housing (1) and helps to provide a more positive feel when the antenna is extended or retracted.

    摘要翻译： 便携式无线电（例如，无线电话）包括可收缩到无线电外壳（1）的隔间（1a）内的纤细的柔性天线（2）。 在天线（2）周围的隔室（1a）中设置柔性绝缘套筒（9），使得当天线在延伸位置和缩回位置之间移动时，天线能够相对自由地滑动。 套筒（9）防止柔性天线（2）与壳体（1）的内部部分发生碰撞，并有助于在天线延伸或缩回时提供更积极的感觉。

    Radiotelephone
    8.
    发明授权
    Radiotelephone 有权
    无线电话

    公开(公告)号：US07885403B2

    公开(公告)日：2011-02-08

    申请号：US11431220

    申请日：2006-05-09

    申请人： Thomas Fuhrmann ,  Annett Ortscheid (nee Wilke) ,  Dirk Umbach ,  Ricky William Barnett ,  Terence Johnson ,  Mark Robert Mason ,  Bruce Samuels ,  Tony Horne

    发明人： Thomas Fuhrmann ,  Annett Ortscheid (nee Wilke) ,  Dirk Umbach ,  Ricky William Barnett ,  Terence Johnson ,  Mark Robert Mason ,  Bruce Samuels ,  Tony Horne

    IPC分类号： H04M1/00 ,  H04M9/00

    CPC分类号： H04M1/0283 ,  H04M1/0252

    摘要： A hand held communications device is provided. The device includes: a circuit board including electronic components; display coupled to the circuit board; a housing substantially surrounding the circuit board and electronic components, wherein the housing includes a base element covering a bottom side of the circuit board and electronic components and a housing element attached to the base element covering a top side of the circuit board and electronic components, wherein the housing element includes a display aperture with the display partially projecting therethrough; and a cover removably connected to the housing by a connection, wherein the cover and the base element substantially enclose the housing element therebetween.

    摘要翻译： 提供了一种手持通信设备。 该装置包括：包括电子部件的电路板; 显示器耦合到电路板; 壳体，其基本上围绕所述电路板和电子部件，其中所述壳体包括覆盖所述电路板的底侧的基座元件和电子部件以及附接到所述基座元件的壳体元件，所述壳体元件覆盖所述电路板的顶侧和电子部件， 其中所述壳体元件包括显示器孔，所述显示器部分地突出穿过所述显示孔; 以及通过连接可拆卸地连接到所述壳体的盖，其中所述盖和所述基座元件在其间基本上包围所述壳体元件。

    Dual stage automatic gain control in an ultra wideband receiver
    9.
    发明申请
    Dual stage automatic gain control in an ultra wideband receiver 失效
    超宽带接收机的双级自动增益控制

    公开(公告)号：US20060159058A1

    公开(公告)日：2006-07-20

    申请号：US11036132

    申请日：2005-01-18

    申请人： Terence Johnson

    发明人： Terence Johnson

    IPC分类号： H04B7/212 ,  G01S13/00

    CPC分类号： H03G3/3078

    摘要： A method (500) and an apparatus (300) are presented for processing a signal in a receiver in accordance with Ultra Wideband (UWB) protocol. The received signal is acquired during a first preamble portion (411) of a data frame associated with the UWB protocol. During acquisition a first Automatic Gain Control (AGC) operation (606) is performed associated with a noise component of the signal. A second AGC operation (608) associated with a pulse component of the signal is performed after the acquiring the signal during a second preamble portion (413).

    摘要翻译： 呈现方法（500）和装置（300），用于根据超宽带（UWB）协议处理接收机中的信号。 在与UWB协议相关联的数据帧的第一前导码部分（411）期间获取所接收的信号。 在采集期间，执行与信号的噪声分量相关联的第一自动增益控制（AGC）操作（606）。 在第二前导码部分（413）中获取信号之后，执行与信号的脉冲分量相关联的第二AGC操作（608）。