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公开(公告)号：US5812968A
公开(公告)日：1998-09-22
申请号：US705885
申请日：1996-08-28
CPC分类号： H04L1/0014 , H04B7/18532 , H04B7/18534 , H04J3/1688 , H04B7/18513 , H04L1/0025
摘要： An apparatus for improving the link margin of a communication link includes a variable rate vocoder which decreases the output bit stream rate it produces so as to reduce the amount of information having to be transmit in the communication link. In one embodiment, the variable rate vocoder includes a plurality of vocoder portions, each of which produces a different bit stream rate. The selector is used for selecting among the output bit streams produced by each vocoder. In another embodiment, a logic device is coupled to the output of the vocoder. The logic device, upon receipt of a control signal, truncates the less important bits. The method for improving link margin includes reducing the vocoder output rate thereby reducing the amount of data being transmit in an communication link. The method also includes using increased error correction coding and transmitting at increased per bit power levels to increase link margin. A device knows to increase the link margin whenever it receives a request to do so, which request is based upon poor signal quality.
摘要翻译： 用于改善通信链路的链路余量的装置包括可变速率声码器，其减小其产生的输出比特流速率，以便减少在通信链路中必须发送的信息量。 在一个实施例中，可变速率声码器包括多个声码器部分，每个声码器部分产生不同的比特流速率。 选择器用于在由每个声码器产生的输出比特流之间进行选择。 在另一个实施例中，逻辑设备耦合到声码器的输出端。 在接收到控制信号时，逻辑设备截断不太重要的位。 用于改善链路余量的方法包括降低声码器输出速率，从而减少在通信链路中传输的数据量。 该方法还包括使用增加的纠错编码和以增加的每位功率电平进行发送以增加链路余量。 一个设备知道如果接收到这样做的请求增加链路容限，哪个请求是基于较差的信号质量的。
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公开(公告)号：US5914942A
公开(公告)日：1999-06-22
申请号：US736954
申请日：1996-10-25
CPC分类号： H04B7/18563
摘要： A satellite-cellular communication system includes a satellite based transceiver for transceiving two-way communications originated at a user terminal. As a part of call set up, a controller determines whether the user terminal should transmit in the uplink in either a wide band mode of operation or in a narrow band mode of operation. The controller then specifies to the user terminal the mode of operation through the transceiver.Whether the user terminal transmits in the uplink in a wide band or in a narrow band mode depends upon factors including the type of device, channel usage and efficiency in the channels to and from the satellite transceiver and the signal quality of the signals received at the transceiver.
摘要翻译： 卫星蜂窝通信系统包括用于收发在用户终端发起的双向通信的基于卫星的收发信机。 作为呼叫建立的一部分，控制器确定用户终端是应在宽带操作模式还是在窄带操作模式中在上行链路中进行发送。 然后，控制器通过收发器向用户终端指定操作模式。 用户终端在宽带还是窄带模式下在上行链路中的发送取决于包括设备类型，信道使用情况以及卫星收发信机的频道使用效率以及在卫星收发信机接收的信号的信号质量等因素。 收发器。
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公开(公告)号：US5890074A
公开(公告)日：1999-03-30
申请号：US883809
申请日：1997-06-27
申请人： Nils Rutger Rydbeck , Per Stein
发明人： Nils Rutger Rydbeck , Per Stein
CPC分类号： H04B1/38 , H04B1/3805 , G11B31/003 , H04M1/6041
摘要： A modular unit having a telecommunications component, a switching circuit, and a headset link is adapted for connection with a host electronic device. The headset link of the modular unit communicates with a module link in a headset. The headset also contains earphones or a speaker, a microphone, and a control panel in electrical connection with the module link of the headset. The speaker, microphone, and control panel of the headset communicate with the headset link of the modular unit through the module link in the headset. The switching circuit of the modular unit controls whether the headset link of the module is in electrical connection with the telecommunications component of the modular unit or an electronic audio component of the host electronic device.
摘要翻译： 具有电信部件，开关电路和耳机链路的模块化单元适于与主机电子设备连接。 模块化单元的耳机链路与耳机中的模块链路通信。 耳机还包含耳机或扬声器，麦克风和与耳机的模块链路电连接的控制面板。 耳机的扬声器，麦克风和控制面板通过耳机中的模块链接与模块化单元的耳机链接进行通信。 模块化单元的切换电路控制模块的耳机链路是否与模块化单元的电信部件或主机电子设备的电子音频组件电连接。
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4.发明授权Method and apparatus for the suppression of electromagnetic interference in an electronic system 失效用于抑制电子系统中的电磁干扰的方法和装置
公开(公告)号：US6138347A
公开(公告)日：2000-10-31
申请号：US967913
申请日：1997-11-12
CPC分类号： H05K9/0039 , Y10S174/34 , Y10T29/49004 , Y10T29/4913 , Y10T29/49135 , Y10T29/49137 , Y10T29/49147
摘要： A conductive strap configured to attach to a circuit board containing a component sensitive to electronmagnetic interference (EMI) and to slidably contact an enclosure having a conductive internal surface can reduce or eliminate EMI in an electronic device. The strap is positioned on the circuit board to shield the sensitive component from EMI. Slidable contact between the shielding strap and the enclosure internal surface renders the strap suitable for almost any enclosure configuration without any design modification.
摘要翻译： 配置成附接到包含对电磁干扰（EMI）敏感的部件的电路板并且可滑动地接触具有导电内表面的外壳的导电带可以减少或消除电子设备中的EMI。 带子位于电路板上以屏蔽敏感元件免受EMI影响。 屏蔽带和外壳内表面之间的可滑动接触使带子几乎适用于任何外壳配置，无需任何设计修改。
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5.发明授权
公开(公告)号：US5672844A
公开(公告)日：1997-09-30
申请号：US778584
申请日：1997-01-02
CPC分类号： H05K9/0039 , Y10S174/34 , Y10T29/49004 , Y10T29/4913 , Y10T29/49135 , Y10T29/49137 , Y10T29/49147
摘要： A conductive strap configured to attach to a circuit board containing a component sensitive to electronmagnetic interference (EMI) and to slidably contact an enclosure having a conductive internal surface can reduce or eliminate EMI in an electronic device. The strap is positioned on the circuit board to shield the sensitive component from EMI. Slidable contact between the shielding strap and the enclosure internal surface renders the strap suitable for almost any enclosure configuration without any design modification.
摘要翻译： 配置成附接到包含对电磁干扰（EMI）敏感的部件的电路板并且可滑动地接触具有导电内表面的外壳的导电带可以减少或消除电子设备中的EMI。 带子位于电路板上以屏蔽敏感元件免受EMI影响。 屏蔽带和外壳内表面之间的可滑动接触使带子几乎适用于任何外壳配置，无需任何设计修改。
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6.发明授权
公开(公告)号：US5920984A
公开(公告)日：1999-07-13
申请号：US731771
申请日：1996-10-18
CPC分类号： H05K9/0039 , Y10S174/34 , Y10T29/49004 , Y10T29/4913 , Y10T29/49135 , Y10T29/49137 , Y10T29/49147
摘要： A conductive strap configured to attach to a circuit board containing a component sensitive to electronmagnetic interference (EMI) and to slidably contact an enclosure having a conductive internal surface can reduce or eliminate EMI in an electronic device. The strap is positioned on the circuit board to shield the sensitive component from EMI. Slidable contact between the shielding strap and the enclosure internal surface renders the strap suitable for almost any enclosure configuration without any design modification.
摘要翻译： 配置成附接到包含对电磁干扰（EMI）敏感的部件的电路板并且可滑动地接触具有导电内表面的外壳的导电带可以减少或消除电子设备中的EMI。 带子位于电路板上以屏蔽敏感元件免受EMI影响。 屏蔽带和外壳内表面之间的可滑动接触使带子几乎适用于任何外壳配置，无需任何设计修改。
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7.发明授权Method and apparatus for controlling transceiver operations in a radio communications system to reduce same channel frequency interference 失效用于控制无线电通信系统中的收发器操作以减少相同信道频率干扰的方法和装置
公开(公告)号：US5778322A
公开(公告)日：1998-07-07
申请号：US516254
申请日：1995-08-17
申请人： Nils Rutger Rydbeck
发明人： Nils Rutger Rydbeck
IPC分类号： H04B1/38 , H04B7/005 , H04M1/725 , H04W16/14 , H04W24/02 , H04W52/26 , H04W72/08 , H04W88/08 , H04Q7/22
CPC分类号： H04W72/082 , H04B1/3816 , H04M1/72511 , H04W16/16 , H04W24/02 , H04W40/38 , H04W52/244 , H04W52/265 , H04W52/267 , H04W88/08 , H04B1/401 , H04M2250/14 , H04N2007/145 , H04W72/085 , H04W84/045
摘要： Transceiver frequency and power level are allocated in a radio communications system which includes a base station, a radio personal communications terminal, and a radio personal communications network, by using a smart card to store frequency and power level indicators. The stored indicators are used to set personal communications terminal-to-base station communications. The smart card may be removably coupled to the base station or the personal communications terminal. Since the smart cards are issued by the radio personal communications system carrier, appropriate frequencies and power levels can be assigned for base stations, to minimize same channel interference with the radio personal communications network.
摘要翻译： 通过使用智能卡来存储频率和功率电平指示符，在包括基站，无线电个人通信终端和无线电个人通信网络的无线电通信系统中分配收发机频率和功率电平。 存储的指示器用于设置个人通信终端到基站通信。 智能卡可以可移除地耦合到基站或个人通信终端。 由于智能卡由无线电个人通信系统载体发出，所以可以为基站分配适当的频率和功率级别，以最小化与无线电个人通信网络相同的信道干扰。
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