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1. 发明授权

US4250489A Distribution network communication system having branch connected repeaters 失效
标题翻译：具有分支连接中继器的分布式网络通信系统
公开(公告)号：US4250489A
公开(公告)日：1981-02-10
申请号：US956516
申请日：1978-10-31
申请人： Allan A. Dudash , Waymon A. Melvin, Jr. , Leonard C. Vercellotti
发明人： Allan A. Dudash , Waymon A. Melvin, Jr. , Leonard C. Vercellotti
IPC分类号： H04B3/54 , H04B3/58 , H04Q9/00 , H04M11/04
CPC分类号： H04B3/58
摘要： Bidirectional addressable repeaters of a power line carrier communication system each include an address recognition and a receive and transmit control logic circuit having programmable zone and address identifying states for connection in plural repeating levels defining branch paths linking a central control terminal with multiple remote terminals via a distribution line network. Each repeater retransmits an interrogation message, provides its own repeater address modification, and remains in a response-wait status. The alerted repeaters define the predetermined route of branch paths for being sequentially activated by a response message. Simplified repeater response address formats are used and each repeater modified its address data upon response message retransmission. The desired sequentially occurring repeating transmissions are assured upon retransmission of both the interrogation and response messages.
摘要翻译：电力线载波通信系统的双向可寻址中继器各自包括地址识别和接收和发送控制逻辑电路，其具有可编程区域和地址，用于识别在多个重复级别中连接的状态，所述多个重复级别定义通过以下操作链接中央控制终端与多个远程终端的分支路径配电线网络。每个中继器重传询问消息，提供自己的中继器地址修改，并保持响应等待状态。警报中继器定义用于被响应消息顺序激活的分支路径的预定路由。使用简化的中继器响应地址格式，并且每个中继器在响应消息重传时修改其地址数据。在重发询问和响应消息时，确保期望的顺序发生的中继传输。

2. 发明授权

US4357598A Three-phase power distribution network communication system 失效
标题翻译：三相配电网络通信系统
公开(公告)号：US4357598A
公开(公告)日：1982-11-02
申请号：US252681
申请日：1981-04-09
申请人： Waymon A. Melvin, Jr.
发明人： Waymon A. Melvin, Jr.
IPC分类号： H04B3/54 , H02J13/00 , H04B3/56 , H04Q9/00
CPC分类号： H04B3/56 , H02J13/0024 , H04B2203/5425 , H04B2203/5433 , H04B2203/5466 , H04B2203/5479 , H04B2203/5483 , Y02E60/7823 , Y02E60/7892 , Y04S40/122 , Y04S40/146
摘要： A communication system for a three-phase power distribution network is comprised of a plurality of remote devices, with certain of the remote devices being used as signal repeaters. Injection point circuitry provides an out-going communication signal which is coupled to the three-phase conductors such that each phase conductor carries an identical, independent, outgoing communication signal. The signal repeaters are each coupled to at least two of the three-phase conductors. Each signal repeater includes circuitry for producing a composite signal in response to the coupled signals. The composite signal has a signal-to-noise ratio typically superior to, but not worse than, the signal-to-noise ratio of the best of the coupled signals. The remainder of the remote devices are independently coupled to at least one of the three-phase conductors so as to facilitate communication with each of the remote devices.
摘要翻译：用于三相配电网络的通信系统由多个远程设备组成，其中某些远程设备用作信号中继器。注入点电路提供一个外部通信信号，该信号耦合到三相导体，使得每个相导体承载相同的，独立的输出通信信号。信号中继器各自耦合到三相导体中的至少两个。每个信号中继器包括响应于耦合信号产生复合信号的电路。复合信号的信噪比通常优于耦合信号的最佳信噪比而不是差于信噪比。远程设备的其余部分独立地耦合到三相导体中的至少一个，以便于与每个远程设备的通信。

3. 发明授权

US4573170A Apparatus and method for sampling multiple carrier signals 失效
标题翻译：多载波信号采样装置及方法
公开(公告)号：US4573170A
公开(公告)日：1986-02-25
申请号：US580504
申请日：1984-02-15
申请人： Waymon A. Melvin, Jr. , Theodore H. York
发明人： Waymon A. Melvin, Jr. , Theodore H. York
IPC分类号： H04B3/54 , H04B7/10 , H04L1/02
CPC分类号： H04B3/542 , H04B2203/5466 , H04B2203/5483 , H04B2203/5491 , H04B2203/5495
摘要： A time diversity carrier signal sampler utilizes a shift register in conjunction with a timer and a plurality of phase samplers. The instantaneous logic level of each phase is measured on a time diversity basis in order to avoid the disadvantageous affects of noise pulses which can occur coincidently on all three phases. The resulting carrier signal data is then provided to a microprocessor for subsequent analysis and phase characteristic determinations. By judiciously selecting the sample and clock frequencies of the shift register, the sampling frequency for each phase and the time between sampling each of the phases can be preselected.
摘要翻译：时间分集载波信号采样器利用移位寄存器与定时器和多个相位取样器结合使用。在时间分集的基础上测量每相的瞬时逻辑电平，以避免可能同时发生在所有三相上的噪声脉冲的不利影响。然后将所得到的载波信号数据提供给微处理器用于随后的分析和相位特性确定。通过明智地选择移位寄存器的采样和时钟频率，可以预先选择每个相位的采样频率和采样每个相位之间的时间。

4. 发明授权

US07084783B1 Electronic meter with enhanced thermally managed communications systems and methods 有权
标题翻译：具有增强的热管理通信系统和方法的电子计量表
公开(公告)号：US07084783B1
公开(公告)日：2006-08-01
申请号：US10217397
申请日：2002-08-13
申请人： Waymon A. Melvin, Jr. , Lars A. Lindqvist , Charles Cunningham, Jr. , Michael A. Murphy , Kenneth C. Shuey
发明人： Waymon A. Melvin, Jr. , Lars A. Lindqvist , Charles Cunningham, Jr. , Michael A. Murphy , Kenneth C. Shuey
IPC分类号： G08B23/00 , G08C15/06
CPC分类号： G01D11/24 , G01D4/002 , Y02B90/241 , Y02B90/243 , Y02B90/244 , Y02B90/248 , Y04S20/32 , Y04S20/325 , Y04S20/327 , Y04S20/52
摘要： An electronic meter that is capable of handling an analog cellular phone or radio modem under the meter cover provides significant improvements in the thermal management and power handling that is associated with a circuit switched wireless device. The electronic meter comprises a power supply capable of delivering the transmitter power plus the associated losses due to transmitter efficiency. It is desirable to deliver the high power over a wide range of AC input voltages (typically from about 90 to 530 VAC). The meter packaging allows the power supply and the analog cellular modem to operate in an enclosed metering package without exceeding the operating temperatures of the electronic components. The packaging adapts to increased steady state (idle) conditions as well as increased transmit conditions.
摘要翻译：能够在仪表盖下处理模拟蜂窝电话或无线电调制解调器的电子计量表提供与电路交换无线设备相关联的热管理和功率处理方面的显着改进。该电子仪表包括能够传送发射机功率加上由于发射机效率引起的相关损耗的电源。期望在宽范围的AC输入电压（通常为约90至530VAC）下传送高功率。仪表包装允许电源和模拟蜂窝调制解调器在封闭的计量包装中运行，而不超过电子组件的工作温度。封装适应增加的稳态（空闲）条件以及增加的传输条件。

5. 发明授权

US4355303A Receiver for a distribution network power line carrier communication system 失效
标题翻译：接收机用于配电网电力线载波通信系统
公开(公告)号：US4355303A
公开(公告)日：1982-10-19
申请号：US252664
申请日：1981-04-09
申请人： John S. Phillips , Waymon A. Melvin, Jr.
发明人： John S. Phillips , Waymon A. Melvin, Jr.
IPC分类号： H04B3/56 , H04L27/22 , H04B3/02 , H04B15/00
CPC分类号： H04L27/22 , H04B3/56 , H04B2203/5416 , H04B2203/5425 , H04B2203/5483 , H04B2203/5491
摘要： A receiver for a distribution network power line carrier communication system is magnetically coupled to a distribution power line. A carrier signal, phase-shift keyed modulated by an information signal and carried by the distribution power line, is thereby coupled to the receiver circuitry. A first receiver amplification circuit includes an automatic gain control circuit, to prevent saturation of the receiver electronics, and a feedback circuit to determine the gain. The automatic gain control circuit utilizes a field effect transistor which cooperates with the amplifier's feedback circuit to modify the gain. The drain source resistance of the field effect transistor is varied in accord with the magnitude of the received noise or modulated carrier signal to lower the amplifier's gain when excessive positive or negative noise or modulated carrier signal peaks are encountered. The modulated carrier signal is then processed through several filter stages and further amplified. Finally, the information signal is removed from the modulated carrier by a phase shift keyed demodulator. The information is available for input to a remote device which is responsive thereto for performing any of a variety of automated functions.
摘要翻译：用于分配网络电力线载波通信系统的接收机磁耦合到分配电力线。由信号信号调制并由分配电力线承载的载波信号，相移被耦合到接收机电路。第一接收机放大电路包括自动增益控制电路，以防止接收器电子设备的饱和，以及用于确定增益的反馈电路。自动增益控制电路利用与放大器的反馈电路配合来改善增益的场效应晶体管。当遇到过多的正或负噪声或调制载波信号峰值时，场效应晶体管的漏源电阻根据接收到的噪声或调制载波信号的大小而变化，以降低放大器的增益。然后通过几个滤波器级对经调制的载波信号进行处理，并进一步放大。最后，通过相移键控解调器从调制载波中移除信息信号。该信息可用于向响应于此的远程设备的输入，以执行各种自动功能中的任一种。

6. 发明授权

US4841281A Apparatus for controlling a switching amplifier 失效
标题翻译：用于控制开关放大器的装置
公开(公告)号：US4841281A
公开(公告)日：1989-06-20
申请号：US64148
申请日：1987-06-16
申请人： Waymon A. Melvin, Jr.
发明人： Waymon A. Melvin, Jr.
IPC分类号： H02J13/00 , H04B3/54 , H04B3/58
CPC分类号： H04B3/58 , H02J13/0034 , H04B3/542 , H04B2203/5416 , H04B2203/5425 , H04B2203/5483 , H04B2203/5491 , H04B2203/5495 , Y02E60/7892 , Y04S40/146
摘要： An apparatus for controlling the output of a switching amplifier includes a signal dividing circuit which generates a delayed replica of the carrier signal and a doubled signal having twice the carrier frequency. The doubled signal is effective for establishing a second time delayed signal relative to the first time delayed signal. The first and second time delayed signals are logically operated on so that a three state output representing the carrier signal is attained. A summing amplifier utilizes the two time delayed signals to generate this three state output whereby if the two time delayed signals are out-of-phase, a zero voltage is connected to the drive portion of the switching amplifier thereby limiting the output of the switching amplifier.

7. 发明授权

US4032911A Signal repeater for power distribution line communication systems 失效
标题翻译：电力分配线通信系统信号中继器
公开(公告)号：US4032911A
公开(公告)日：1977-06-28
申请号：US661594
申请日：1976-02-26
申请人： Waymon A. Melvin, Jr.
发明人： Waymon A. Melvin, Jr.
IPC分类号： H04B3/58 , H04M11/04
CPC分类号： H04B3/58
摘要： A half-duplex communication repeater for use with power distribution lines. The repeater includes two receivers, two signal generators, a single power amplifier, and a control circuit. The control circuit coordinates the operation of the receivers and the signal generators and prevents the application of the signals from both generators simultaneously to the signal amplifier. The outputs of the two signal generators are applied to transmission gates which are both coupled to the signal amplifier. When an appropriate signal is detected by one receiver, it produces an output signal which is coupled to a latching circuit. The latching circuit turns on the appropriate transmission gate to pass the signal from the corresponding signal generator to the signal amplifier. Due to the operation of the latching circuit, a signal detected simultaneously by the other receiver will not cause the other transmission gate to turn on and apply two signals simultaneously to the signal amplifier. A third transmission gate may be coupled to the common output connections of the other two transmission gates for providing a load on the gate devices to reduce the signal transfer through the gate devices when they are in the turned-off condition.

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