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

US5809010A Tributary protection system 失效
标题翻译：支流保护系统
公开(公告)号：US5809010A
公开(公告)日：1998-09-15
申请号：US528635
申请日：1995-09-14
申请人： Paul Alan Bruce
发明人： Paul Alan Bruce
IPC分类号： H04J3/14 , H04Q11/04 , H04L1/22
CPC分类号： H04J3/14 , H04J2203/006
摘要： The present invention provides a novel tributary protection system for a telecommunications system employing multiplexed lines. To overcome problems with separate line controllers which select the multiplexers to be used, the invention teaches a system wherein each tributary channel interfaces with the multiplexers Mux 1, Mux 2 via a protection device MPD which can switch the tributaries between a first multiplex Mux 1 and a second multiplex Mux 2 when the performance of the system employing the operational multiplexer Mux 1 has been degraded.
摘要翻译：本发明提供一种用于采用多路复用线路的电信系统的新型支路保护系统。为了克服选择要使用的多路复用器的单独线路控制器的问题，本发明教导了一种系统，其中每个辅助信道经由保护装置MPD与多路复用器Mux 1，Mux2接口，保护装置MPD可以在第一多路复用复用器1和当采用操作多路复用器复用器1的系统的性能已经劣化时的第二多路复用复用器2。

2. 发明授权

US5946086A Optical mean power controller with provisionable output levels 失效
标题翻译：光学平均功率控制器，具有可配置的输出电平
公开(公告)号：US5946086A
公开(公告)日：1999-08-31
申请号：US988392
申请日：1997-12-10
申请人： Paul Alan Bruce
发明人： Paul Alan Bruce
IPC分类号： G01J1/02 , G01J1/22
CPC分类号： G01J1/22
摘要： A mean optical power controller that controls power using a voltage controlled optical attenuator (VCOA) is disclosed. This controller uses a control loop in which a signal indicative of the present optical power level is compared to a signal indicative of the desired optical power level, with the difference then being used as input into the VCOA. This controller generates the required variety of signals indicative of the desired optical power level, or reference signals, without having to rely on a CPU. It does this by storing in a local storage means the voltage-values of the reference signals required to realize each supported user-defined optical power level. During the operation of the controller, the voltage-value corresponding to each selected power-level is passed to one or more DACs, where it is converted into a reference signal. A plurality of DACs can be used, which each convert a fraction of each voltage-value, so as to implement a logarithmic relation between the user-defined power levels and the voltage-values. This provides fine control over the optical power level, over a sufficiently large range of values.
摘要翻译：公开了一种使用压控光衰减器（VCOA）来控制功率的平均光功率控制器。该控制器使用控制回路，其中将指示当前光功率电平的信号与指示期望光功率电平的信号进行比较，其差值然后用作VCOA的输入。该控制器产生指示期望的光功率电平或参考信号的所需的各种信号，而不必依赖于CPU。它通过在本地存储器中存储实现每个支持的用户定义的光功率电平所需的参考信号的电压值来实现。在控制器的操作期间，对应于每个选择的功率电平的电压值被传递到一个或多个DAC，在那里它被转换成参考信号。可以使用多个DAC，每个DAC转换每个电压值的一部分，以便实现用户定义的功率电平和电压值之间的对数关系。这可以在足够大的值范围内提供对光功率电平的精细控制。

3. 发明授权

US06574016B1 Method and apparatus for ancillary data in a wavelength division multiplexed system 有权
标题翻译：波分复用系统中辅助数据的方法和装置
公开(公告)号：US06574016B1
公开(公告)日：2003-06-03
申请号：US09199327
申请日：1998-11-25
申请人： James St. Leger Harley , Ping Wan , Paul Alan Bruce
发明人： James St. Leger Harley , Ping Wan , Paul Alan Bruce
IPC分类号： H04T1402
CPC分类号： H04J14/0298 , H04J14/0258 , H04J14/0273 , H04J14/0276
摘要： This invention provides method and apparatus for ancillary data in a wavelength division multiplexed (WDM) system. According to the invention, a low bit rate channel is provided over a amplitude modulated sub-carrier that is in turn used to amplitude intensity modulate an optical data signal that is output from a transmitter in the network. Data carried by the low bit rate channel can by used by another network element (NE) to determine the identity of the channel source, thereby allowing the NE to verify its connectivity to that source via the network. This invention is particularly useful in metropolitan optical networks (MON) where inexpensive methods of determining network connectivity are required.
摘要翻译：本发明提供了一种波分复用（WDM）系统中辅助数据的方法和装置。根据本发明，一个低比特率信道被提供在一个幅度调制子载波上，该调制子载波又被用来调制从网络中的发射机输出的光数据信号的幅度强度。低比特率信道携带的数据可以由另一个网元（NE）使用，以确定信道源的身份，从而允许网络通过网络验证其与该源的连接。本发明在需要廉价的确定网络连接的方法的城市光网络（MON）中特别有用。

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