专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

1. 发明授权

US6157475A Optical channel regulator and method 失效
标题翻译：光通道调节器和方法
公开(公告)号：US6157475A
公开(公告)日：2000-12-05
申请号：US212972
申请日：1998-12-16
申请人： J. Michael Dugan , Kenneth Y. Maxham
发明人： J. Michael Dugan , Kenneth Y. Maxham
IPC分类号： H04B10/17 , H04B10/18 , H04J14/02 , H04B10/08
CPC分类号： H04B10/2971 , H04B10/25073 , H04J14/0221
摘要： An optical channel regulator (46) is provided. The optical channel regulator (46) includes a tapped optical coupler (60) receiving an optical line carrying an optical signal. The tapped optical coupler (60) provides substantially all of the optical signal as an output. An electrically variable optical attenuator (64) receives the output of the tapped optical coupler (60) and attenuates the optical signal responsive to a feedback control signal. A second tapped optical coupler (66) receives an output of the attenuator (64). The second coupler (66) provides substantially all of the received optical signal as an output and provides a remaining portion of the optical signal as a tapped output. An optical detector (68) then receives the tapped output and provides an output signal representing the optical signal. A comparator (70) receives the output signal of the optical detector (68) and a reference signal. The comparator (70) compares the output signal and the reference signal and provides the feedback control signal to the attenuator (64) responsive to the comparison. As part of a multi-channel communication system, the regulator is used to adjust the levels of each channel for automatically maintaining channel balance and equalization.
摘要翻译：提供光通道调节器（46）。光通道调节器（46）包括接收光纤线路的光纤耦合器（60）。轻敲的光耦合器（60）提供基本上所有的光信号作为输出。电可变光衰减器（64）接收抽头光耦合器（60）的输出，并响应反馈控制信号衰减光信号。第二抽头光耦合器（66）接收衰减器（64）的输出。第二耦合器（66）提供基本上所有接收到的光信号作为输出，并提供光信号的剩余部分作为抽头输出。光检测器（68）然后接收抽头输出并提供表示光信号的输出信号。比较器（70）接收光检测器（68）的输出信号和参考信号。比较器（70）比较输出信号和参考信号，并根据比较将反馈控制信号提供给衰减器（64）。作为多通道通信系统的一部分，调节器用于调整每个通道的电平，以自动维持通道平衡和均衡。

2. 发明授权

US5374973A Optical amplifier 失效
标题翻译：光放大器
公开(公告)号：US5374973A
公开(公告)日：1994-12-20
申请号：US124730
申请日：1993-09-21
申请人： Kenneth Y. Maxham , John M. Dugan
发明人： Kenneth Y. Maxham , John M. Dugan
IPC分类号： H01S3/13 , H01S3/131 , H01S5/0683 , H01S5/50 , G02F1/39
CPC分类号： H01S3/1301 , H01S3/06754 , H01S5/0683 , H01S5/50
摘要： Various optical amplifier configurations are disclosed. In one configuration, an optical amplifier provides an amplified output signal through use of a pumping device. The output signal is split to an output and a feedback input. The feedback signal is converted to a current which is sensed by a controller. The controller adjusts the amount of current to the pumping device in various instances. In one instance, the current is controlled to prevent overdriving the pumping device. In another instance, the current is controlled to maintain the output signal at a substantially constant level. In another configuration, the optical amplifier is coupled to a ratio computation block which measures the operating efficiency of the pumping device. Additional components detect an undesirable efficiency and provide a warning of the same.
摘要翻译：公开了各种光放大器配置。在一种配置中，光放大器通过使用泵送装置提供放大的输出信号。输出信号分为输出和反馈输入。反馈信号被转换成由控制器感测的电流。控制器在各种情况下调节泵送装置的电流量。在一种情况下，控制电流以防止过载驱动泵送装置。在另一种情况下，控制电流以将输出信号保持在基本上恒定的水平。在另一种配置中，光放大器耦合到测量泵送装置的操作效率的比率计算块。附加组件检测到不期望的效率并提供相同的警告。

3. 再颁专利

USRE39378E1 Optical channel regulator and method 有权
标题翻译：光通道调节器和方法
公开(公告)号：USRE39378E1
公开(公告)日：2006-11-07
申请号：US10802118
申请日：2004-03-16
申请人： J. Michael Dugan , Kenneth Y. Maxham
发明人： J. Michael Dugan , Kenneth Y. Maxham
IPC分类号： H04J14/02 , H04B10/18
摘要： An optical channel regulator (46) is provided. The optical channel regulator (46) includes a tapped optical coupler (60) receiving an optical line carrying an optical signal. The tapped optical coupler (60) provides substantially all of the optical signal as an output. An electrically variable optical attenuator (64) receives the output of the tapped optical coupler (60) and attenuates the optical signal responsive to a feedback control signal. A second tapped optical coupler (66) receives an output of the attenuator (64). The second coupler (66) provides substantially all of the received optical signal as an output and provides a remaining portion of the optical signal as a tapped output. An optical detector (68) then receives the tapped output and provides an output signal representing the optical signal. A comparator (70) receives the output signal of the optical detector (68) and a reference signal. The comparator (70) compares the output signal and the reference signal and provides the feedback control signal to the attenuator (64) responsive to the comparison. As part of a multi-channel communication system, the regulator is used to adjust the levels of each channel for automatically maintaining channel balance and equalization.
摘要翻译：提供光通道调节器（46）。光通道调节器（46）包括接收光纤线路的光纤耦合器（60）。轻敲的光耦合器（60）提供基本上所有的光信号作为输出。电可变光衰减器（64）接收抽头光耦合器（60）的输出，并响应反馈控制信号衰减光信号。第二抽头光耦合器（66）接收衰减器（64）的输出。第二耦合器（66）提供基本上所有接收到的光信号作为输出，并提供光信号的剩余部分作为抽头输出。光检测器（68）然后接收抽头输出并提供表示光信号的输出信号。比较器（70）接收光检测器（68）的输出信号和参考信号。比较器（70）比较输出信号和参考信号，并根据比较将反馈控制信号提供给衰减器（64）。作为多通道通信系统的一部分，调节器用于调整每个通道的电平，以自动维持通道平衡和均衡。

4. 发明授权

US06411407B1 Method for providing a bidirectional optical supervisory channel 有权
标题翻译：提供双向光监控通道的方法
公开(公告)号：US06411407B1
公开(公告)日：2002-06-25
申请号：US09156794
申请日：1998-09-17
申请人： Kenneth Y. Maxham
发明人： Kenneth Y. Maxham
IPC分类号： H04B1008
CPC分类号： H04B10/2918 , H04B10/0773 , H04B10/0775 , H04B2210/071 , H04B2210/078
摘要： Optical supervisory channels are provided in an optical fiber network by receiving, in a first network element (10), a first optical supervisory channel signal (12) at a first wavelength (&lgr;1) from a first direction (14) on a first optical fiber (16), and by transmitting, from the first network element (10), a second optical supervisory channel signal (18) at a second wavelength (&lgr;2) in a second direction (20) and also on the first optical fiber (16). An amplified optical wavelength division multiplexed transmission system utilizing these supervisory signals divides a revenue-traffic amplifying region of an optical amplifier, with a lower portion being used for transmission in the first direction and an upper portion being used for transmission in the second direction. Both the first and second wavelengths are located outside of a flat-gain amplifying region of the optical amplifier.
摘要翻译：通过在第一网络元件（10）中从第一光纤上的第一方向（14）接收第一波长（lambd1）的第一光监控信道信号（12），在光纤网络中提供光监控信道（16），并且通过在第二方向（20）和第一光纤（16）上从第一网络元件（10）发送第二波长（lambd2）的第二光监控信道信号（18）。利用这些监控信号的放大的光波分复用传输系统将光放大器的收费业务放大区域划分为下部，用于沿第一方向传输，上部用于沿第二方向传输。第一和第二波长都位于光放大器的平面增益放大区的外侧。

5. 发明授权

US5923450A Optical channel regulator and method 有权
公开(公告)号：US5923450A
公开(公告)日：1999-07-13
申请号：US164224
申请日：1998-09-30
申请人： J. Michael Dugan , Kenneth Y. Maxham
发明人： J. Michael Dugan , Kenneth Y. Maxham
IPC分类号： H04B10/17 , H04B10/18 , H04J14/02
CPC分类号： H04B10/2971 , H04B10/25073 , H04J14/0221
摘要： An optical channel regulator (46) is provided. The optical channel regulator (46) includes a tapped optical coupler (60) receiving an optical line carrying an optical signal. The tapped optical coupler (60) provides substantially all of the optical signal as an output. An electrically variable optical attenuator (64) receives the output of the tapped optical coupler (60) and attenuates the optical signal responsive to a feedback control signal. A second tapped optical coupler (66) receives an output of the attenuator (64). The second coupler (66) provides substantially all of the received optical signal as an output and provides a remaining portion of the optical signal as a tapped output. An optical detector (68) then receives the tapped output and provides an output signal representing the optical signal. A comparator (70) receives the output signal of the optical detector (68) and a reference signal. The comparator (70) compares the output signal and the reference signal and provides the feedback control signal to the attenuator (64) responsive to the comparison. As part of a multi-channel communication system, the regulator is used to adjust the levels of each channel for automatically maintaining channel balance and equalization.

6. 发明授权

US07130537B1 Safety shutdown system for a WDM fiber optic communications network 有权
标题翻译： WDM光纤通信网络的安全关闭系统
公开(公告)号：US07130537B1
公开(公告)日：2006-10-31
申请号：US09648019
申请日：2000-08-25
申请人： Kenneth Y. Maxham
发明人： Kenneth Y. Maxham
IPC分类号： H04B19/08
CPC分类号： H04B10/291 , H04B10/077 , H04B10/07955
摘要： A fiber optic communications network includes multiple transmitters and multiple receivers connected by an optical WDM transmission link, the receivers having output channels for providing signals to terminal devices, each receiver including a demodulator to detect and recover a received signal, and the network includes at least one optical amplifier having a shutdown input for actuating the safety shut down of the network upon detecting a disconnect in the transmission line. The system includes circuitry connected to the output of each of the demodulators for sensing the presence of a valid signal and for determining whether a predetermined number of valid signals are present at the demodulators. If the number of valid signals detected is less than the predetermined majority number, the safety shutdown function is actuated.
摘要翻译：光纤通信网络包括通过光WDM传输链路连接的多个发射机和多个接收机，所述接收机具有用于向终端设备提供信号的输出信道，每个接收机包括用于检测和恢复接收到的信号的解调器，并且该网络至少包括一个光放大器具有关闭输入，用于在检测到传输线中的断开时致动网络的安全关闭。该系统包括连接到每个解调器的输出的电路，用于感测有效信号的存在并用于确定解调器上是否存在预定数量的有效信号。如果检测到的有效信号的数量小于预定的多数，则启动安全关闭功能。

7. 发明授权

US4614906A Series circuit regulating apparatus 失效
标题翻译：串联电路调节装置
公开(公告)号：US4614906A
公开(公告)日：1986-09-30
申请号：US751396
申请日：1985-07-03
申请人： Kenneth Y. Maxham
发明人： Kenneth Y. Maxham
IPC分类号： G05F1/577
CPC分类号： G05F1/577 , Y10T307/445
摘要： Current regulating apparatus for connecting a plurality of different impedance loads in series across a high voltage power source with protection means in the event of the failure in the shorted or open condition of the series connected load portions.
摘要翻译：电流调节装置，用于在串联连接的负载部分的短路或断开状态下发生故障时，将多个不同阻抗负载串联连接在高压电源上与保护装置。

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式