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

EP0649040B1 Optical passband filter 失效
标题翻译：光带通滤波器
公开(公告)号：EP0649040B1
公开(公告)日：2003-06-11
申请号：EP94307271.0
申请日：1994-10-05
申请人： AT&T Corp.
发明人： Glance, Bernard , Wilson, Robert Woodrow
IPC分类号： G02B6/34 , H04J14/02
CPC分类号： G02B6/12021 , H04Q11/0003

2. 发明公开

EP0716522A2 Wavelength division multiplexed hybrid ring suitable for use in regional area networks 失效
标题翻译： Hybrider Ring mitWellenlängenmultiplexgeeignetfürdie anwendung in regionalen Netzwerken
公开(公告)号：EP0716522A2
公开(公告)日：1996-06-12
申请号：EP95308760.8
申请日：1995-12-05
申请人： AT&T Corp.
发明人： Glance, Bernard , Marra, William C. , Kaminow, Ivan P. , Schesser, Joel
IPC分类号： H04J14/02 , H04L12/28
CPC分类号： H04J14/028 , H04J14/0227 , H04J14/0241 , H04J14/0283 , H04J14/0286
摘要： Disclosed is a wavelength division multiplexed hybrid ring formed from a plurality of telecommunications links that connect a plurality of switching nodes, each telecommunications link comprising: at least one optical fiber adapted for transporting a plurality of wavelength division multiplexed channels, wherein each of the plurality of optical channels is defined by a different wavelength; and at least one branching unit disposed along the at least one optical fiber, wherein the at least one branching unit includes at least one add-drop multiplexer for adding and dropping predetermined ones of the plurality of optical channels to and from a terminal coupled to the branching unit, and the branching unit is adapted to pass predetermined ones of the plurality of optical channels between the plurality of switching nodes.
摘要翻译：公开了一种由连接多个交换节点的多个电信链路形成的波分复用混合环，每个电信链路包括：至少一个适用于传输多个波分多路复用信道的光纤，其中多个光通道由不同的波长定义; 以及沿着所述至少一个光纤布置的至少一个分支单元，其中所述至少一个分支单元包括至少一个分插复用器，用于将耦合到所述至少一个光纤的终端的多个光通道中的预定的一个分配单元分支单元，并且分支单元适于通过多个交换节点之间的多个光学信道中的预定的一个。

3. 发明公开

EP0246004A3 Single-photodiode optical heterodyne mixers 失效转让
标题翻译：单光子光学异型混合器
公开(公告)号：EP0246004A3
公开(公告)日：1989-06-07
申请号：EP87303851.7
申请日：1987-04-30
申请人： AT&T Corp.
发明人： Glance, Bernard
IPC分类号： H04B10/00
CPC分类号： H04B10/60 , G01J9/04 , H04B10/614 , H04B10/64
摘要： The present invention relates to a single photodiode optical mixer for heterodyne detection of optical signals. In the present optical mixer, a received optical signal and an optical local oscillator signal, which are each polarized along one direction of a polarizing beam-splitter, are directed at a 3 dB beam-splitter. Equal portions of the received signal and local oscillator signal are directed along first and second paths by the beam-splitter for arrival at a polarizing beam-splitter. One of the paths between the two beam-splitters comprises a 90 degree polarization rotator for rotating the polarization of the signal passing therethrough by radians. The output from the polarizing beam-splitter comprises the signal from the first path including a first polarization direction and the signal from the second path including a second polarization direction, which two signals are detected independently by a single photodetector to generate an IF signal which is the sum of the two IF currents.

4. 发明公开

EP0298598A2 Optical communication system with a stabilized group of frequencies 失效
标题翻译：选择Übertragungssystemmit Konstanthalten einer Frequenzgruppe。
公开(公告)号：EP0298598A2
公开(公告)日：1989-01-11
申请号：EP88304989.2
申请日：1988-06-01
申请人： AT&T Corp.
发明人： Glance, Bernard
IPC分类号： H04J14/02 , H01S3/133 , H04B10/14
CPC分类号： H01S3/1303 , H04B10/50 , H04B10/506 , H04B10/572
摘要： An optical communication system is disclosed in which a group, or comb, of intelligence-bearing optical signals are frequency-division-multiplexed and stabilized using a corresponding comb of resonances associated with a Fabry-Perot cavity (101). In one type of application, suitable for a system in which the optical-signals originate at difference locations, there is a separate Fabry-Perot cavity at each location and one resonance of each cavity is aligned with a common reference signal (102). The frequencies of the other optical signals (103) are adjusted into alignment with other resonances of the Fabry-Perot cavity at the respective location. In an application in which the optical signals originate at only one location, they are all aligned with separate resonances of a single Fabry-Perot cavity, which does not need to be adjustable.
摘要翻译：公开了一种光通信系统，其中使用与法布里 - 珀罗腔（101）相关联的相应的谐振梳来对智能承载光信号的组或梳进行频分复用和稳定。在一种类型的应用中，适合于在不同位置处产生光信号的系统，在每个位置处存在单独的法布里 - 珀罗腔，并且每个空腔的一个谐振与公共参考信号（102）对准。将其他光信号（103）的频率调节成与相应位置处的法布里 - 珀罗腔的其它谐振对准。在光信号仅在一个位置产生的应用中，它们都与单个法布里 - 珀罗腔的单独谐振对齐，其不需要是可调节的。

5. 发明授权

EP0618747B1 A controllable optical delay line 失效
标题翻译：可控光延迟线
公开(公告)号：EP0618747B1
公开(公告)日：2003-01-08
申请号：EP94301897.8
申请日：1994-03-16
申请人： AT&T Corp.
发明人： Glance, Bernard , Wilson, Robert Woodrow
IPC分类号： H04Q11/00 , G02B6/28
CPC分类号： G02B6/12021 , G02B6/2861 , H04Q11/0003

6. 发明公开

EP0851617A2 Optical arrangement for amplifying WDM signals 失效
标题翻译： Optische Anordnung zurVerstärkungvon WDM Signalen
公开(公告)号：EP0851617A2
公开(公告)日：1998-07-01
申请号：EP97310379.9
申请日：1997-12-19
申请人： AT&T Corp.
发明人： Glance, Bernard
IPC分类号： H04B10/24 , H04B10/17
CPC分类号： H04B10/2971 , H01S3/06754 , H01S3/06787 , H04J14/0221
摘要： An amplification circuit for amplifying wavelength-division-multiplexed (WDM) optical signals in a fiber-optic network is presented. The amplification circuit amplifies WDM signals propagating simultaneously in both directions through a fiber-optic link with a single unidirectional optical amplifier.
摘要翻译：放大电路，用于放大光纤网络中多个波分复用信号，具有多个用于同时双向传播信号数量的链路。该电路包括一个光放大器。频率路由器电路耦合到网络的第一部分，放大器和网络的第二部分。频率路由器电路从网络的第一部分接收信号的第一子数，并从网络的第二部分接收信号的第二子数，复用信号的两个子数，并且路由多路复用信号到放大器。放大器放大多路复用信号。频率路由器电路从放大器接收放大的信号子数，将其解复用并将放大的第一子信号路由到网络的第二部分，并将放大的第二子信号路由到网络的第一部分。

7. 发明公开

EP0720408A2 Tunable add/drop optical filter providing arbitrary channel arrangements 失效
标题翻译： Abstimmbarer optischerEinfüge-/ Abzweigfilterfürbeliebige Kanalanordnungen
公开(公告)号：EP0720408A2
公开(公告)日：1996-07-03
申请号：EP95308970.3
申请日：1995-12-11
申请人： AT&T Corp.
发明人： Glance, Bernard
IPC分类号： H04Q11/00 , H04J14/02
CPC分类号： H04Q11/0005 , H04J14/021 , H04J14/0212 , H04Q11/0003 , H04Q2011/0016 , H04Q2011/0024 , H04Q2011/0032
摘要： A novel add/drop optical filter providing arbitrary channel arrangements between two input WDM signals and two output WDM signals is presented. The device consists of two WGR's connected by 2x2 optical switches in each WGR branch. The same circuit can also be used as a 2x2 wavelength-space switch for WDM signals. In both cases N 2 channel arrangements between the two outputs are possible when the two input signals each support N channels.
摘要翻译：提出了一种新颖的分插式滤光片，提供两个输入WDM信号和两个输出WDM信号之间的任意通道布置。该设备由两个WGR连接，每个WGR分支中由两个2个光纤交换机连接。相同的电路也可以用作WDM信号的2x2波长空间开关。在两种情况下，当两个输入信号各自支持N个通道时，两个输出之间的N 2通道布置是可能的。

8. 发明公开

EP0671792A1 Laser control arrangement for tuning a laser 失效
标题翻译： Laserstuerungsanordnung zum Abstimmen eines Lasers。
公开(公告)号：EP0671792A1
公开(公告)日：1995-09-13
申请号：EP95301289.5
申请日：1995-02-28
申请人： AT&T Corp.
发明人： Glance, Bernard , Kaminow, Ivan P.
IPC分类号： H01S3/133 , H01S3/106 , G02B6/34
CPC分类号： H01S3/1062 , H01S3/1392 , H01S5/0268 , H01S5/0687
摘要： In a laser control arrangement for tuning a laser a portion of the optical signal exiting a resonator is directed to the input of an optical frequency routing device. The routing device has a plurality of outputs each for receiving one of the frequencies supplied by the laser. Each output is coupled to a photodetector. When the laser emits a frequency of light corresponding to one of the resonant frequencies of the resonator, the resonant frequency will appear on one of the outputs of the routing device and will be detected by the photodetector coupled to that output.
摘要翻译：在用于调谐激光器的激光控制装置中，退出谐振器的光信号的一部分被引导到光频路由装置的输入端。路由设备具有多个输出，每个输出用于接收由激光器提供的频率之一。每个输出耦合到光电检测器。当激光器发射对应于谐振器的谐振频率之一的光的频率时，谐振频率将出现在路由设备的输出之一上，并且将被耦合到该输出的光电探测器检测。

9. 发明公开

EP0618747A3 A controllable optical delay line 失效
标题翻译：可控光延迟线。
公开(公告)号：EP0618747A3
公开(公告)日：1995-08-02
申请号：EP94301897.8
申请日：1994-03-16
申请人： AT&T Corp.
发明人： Glance, Bernard , Wilson, Robert Woodrow
IPC分类号： H04Q11/00 , G02B6/28
CPC分类号： G02B6/12021 , G02B6/2861 , H04Q11/0003
摘要： A variable optical delay line which can delay an optical signal by a selected interval of time comprises an input wavelength router (12) connected to an output wavelength router (22) by means of optical waveguides (18 l -18 N ) of different lengths. A wavelength shifter (13) coupled to the input of the input wavelength router shifts the wavelength of the received signal to a desired wavelength. Depending on the wavelength of the signal from the wavelength shifter, the received signal is directed to a specific one of the waveguides of different lengths to provide a delay which is controllable. The output wavelength router directs the optical signals from the various waveguides of different lengths to a common output waveguide (24).

10. 发明公开

EP0655874A2 Fast tunable channel dropping filter 失效
标题翻译： Schnelles abstimmbares Kanalentnahmefilter。
公开(公告)号：EP0655874A2
公开(公告)日：1995-05-31
申请号：EP94308237.0
申请日：1994-11-09
申请人： AT&T Corp.
发明人： Glance, Bernard
IPC分类号： H04Q11/00 , G02B6/293 , H04J14/02
CPC分类号： G02B6/29382 , G02B6/12021 , G02B6/29395 , H04J14/021 , H04J14/0212 , H04Q11/0005 , H04Q2011/0013 , H04Q2011/0015 , H04Q2011/0022 , H04Q2011/0032 , H04Q2011/0039
摘要： A channel dropping filter includes three frequency routing devices (30,31,32), one which functions as an input device (30) and two which function as output devices (31,32). The first frequency routing device has one input (16) for receiving the input signal and at least N outputs, where N corresponds to the number of frequencies that compose the input signal. The N outputs of the first frequency routing device are each coupled to an optical switch (21). Each optical switch has a first output coupled in consecutive order to one of the N inputs (16₁,...16 N ) of the first output frequency routing device (31) and a second output coupled in consecutive order to one of the N inputs (16₁,...16 N ) of the second output frequency routing device (32). A controller is employed to selectively switch the optical switches between first and second states for directing each optical frequency component demultiplexed by the first frequency routing device to the first and second output frequency routing device, respectively.
摘要翻译：信道丢弃滤波器包括三个频率路由设备（30,31,32），一个用作输入设备（30），另一个用作输出设备（31,32）。第一频率路由设备具有用于接收输入信号和至少N个输出的一个输入（16），其中N对应于组成输入信号的频率数。第一频率路由设备的N个输出分别耦合到光开关（21）。每个光学开关具有连续顺序耦合到第一输出频率路由设备（31）的N个输入（161，... 16N）中的一个的第一输出和连续顺序耦合到N个输入中的一个 161，... 16N）的第二输出频率路由设备（32）。控制器用于在第一和第二状态之间选择性地切换光开关，用于将由第一频率路由设备解复用的每个光频分量分别引导到第一和第二输出频率路由设备。

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