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1. 发明申请

US20140233944A1 OPTICAL NETWORK TERMINAL (ONT) WAVELENGTH TUNING AND CORREPSONDING CALIBRATION PROCEDURE 有权
标题翻译：光网络终端（ONT）波长调谐和剔除校准程序
公开(公告)号：US20140233944A1
公开(公告)日：2014-08-21
申请号：US14179660
申请日：2014-02-13
申请人： Peter Vetter , Alex Duque , Robert L. Farah , Joseph L. Galaro , Man Fai Lau , Wolfgang W. Poehlmann , Dora van Veen , Haibo Wen
发明人： Peter Vetter , Alex Duque , Robert L. Farah , Joseph L. Galaro , Man Fai Lau , Wolfgang W. Poehlmann , Dora van Veen , Haibo Wen
IPC分类号： H04J14/02 , H04B10/079
CPC分类号： H04J14/0282 , H04J14/0256
摘要： Tuning an optical network unit (ONU) to an appropriate communication wavelength may be performed by initiating an activation procedure responsive to receiving a wavelength configuration message, and identifying an instruction in the wavelength configuration message to modify a present wavelength used by the network unit to a different wavelength. The process may also provide assigning an optical network unit identifier (ONU-ID) to the network unit, modifying the present wavelength to the different wavelength, and transmitting subsequent data messages from the network unit at the different wavelength.
摘要翻译：将光网络单元（ONU）调谐到适当的通信波长可以通过响应于接收波长配置消息而启动激活过程来执行，并且识别波长配置消息中的指令以将网络单元使用的当前波长修改为不同波长。该过程还可以向网络单元分配光网络单元标识符（ONU-ID），将当前波长修改为不同波长，以及以不同波长从网络单元发送后续数据消息。

2. 发明授权

US4516241A Bit compression coding with embedded signaling 失效
标题翻译：具有嵌入式信号的位压缩编码
公开(公告)号：US4516241A
公开(公告)日：1985-05-07
申请号：US512329
申请日：1983-07-11
申请人： Robert L. Farah , Stephen M. Walters
发明人： Robert L. Farah , Stephen M. Walters
IPC分类号： H03M7/32 , H04B14/06 , H04J3/16 , H04J3/00
CPC分类号： H04J3/1688 , H04B14/068
摘要： A bit compression coding circuit incorporates signaling bit insertion. An input signal sample(s) representing, for example, PCM encoded speech or voiceband data, is delivered to a difference circuit (31) where a predicted signal (s.sub.e) is subtracted from it. The predicted signal is an estimate of the input sample derived from a predictor (32). The resultant difference signal is coupled to the input of an adaptive quantizer (34) which provides at its output a bit compressed quantized differential PCM version of the difference signal. A multiplexer (37) receives the output of the quantizer and serves to periodically preempt the least significant bit of the bit compressed PCM signal and substitute a signaling bit therefor. The output of the multiplexer is coupled to the input of an adder (38) wherein it is added to the predicted signal. The result of this addition is coupled to the input of the predictor, which in response thereto serves to generate the next predicted signal for comparison with the next input signal sample. An adaptation control circuit (36) is responsive to the output of the multiplexer and serves to control the speed of adaptation of the adaptive quantizer.
摘要翻译：位压缩编码电路包含信令位插入。表示例如PCM编码语音或语音频带数据的输入信号采样被传送到从其中减去预测信号（se）的差分电路（31）。预测信号是从预测器（32）导出的输入样本的估计。所得差分信号耦合到自适应量化器（34）的输入端，自适应量化器（34）在其输出端提供差分信号的位压缩量化差分PCM版本。多路复用器（37）接收量化器的输出，并且用于周期性地抢占比特压缩的PCM信号的最低有效比特并替换其信令比特。多路复用器的输出耦合到加法器（38）的输入端，其中它被加到预测信号上。该添加的结果耦合到预测器的输入端，预测器响应于此，用于产生用于与下一个输入信号样本进行比较的下一个预测信号。自适应控制电路（36）响应多路复用器的输出并且用于控制自适应量化器的自适应速度。

3. 发明授权

US4536741A Digital quantizer 失效
标题翻译：数字量化器
公开(公告)号：US4536741A
公开(公告)日：1985-08-20
申请号：US552430
申请日：1983-11-16
申请人： Robert L. Farah
发明人： Robert L. Farah
IPC分类号： H03M7/32 , H03M7/00 , H03K13/01
CPC分类号： H03M7/3048
摘要： An input signal sample is converted, i.e., quantized, from a first digital code to a second digital code by combining an array of stored differential quantizer decision levels with the input signal sample to obtain an array of partial sum signal values. The signs of the partial sum signal values are algebraically summed and the result is used to obtain the quantizer interval that the input signal sample falls in.
摘要翻译：通过将存储的差分量化器判定电平的阵列与输入信号样本相组合，将输入信号样本从第一数字码转换（即量化）到第二数字码，以获得部分和信号值的阵列。部分和信号值的符号被代数相加，结果用于获得输入信号样本所在的量化器间隔。

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