Did You Know...
...that a workman who left the soap mixing machine on too long was responsible for making Ivory Soap? He was so embarrassed by his mistake that he threw the mess in a stream. Imagine his dismay when the evidence of his error floated to the surface! Result: Ivory soap, the soap that floats.
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| Number | Title | Issue Date |
| 7433559 | Temperature-compensated grating package and method of making the same A temperature-compensated fiber grating package which provides a temperature dependant stress on a fiber Bragg grating to substantially compensate for temperature dependant variations of the Bragg wavelength. The package includes a base, a fiber grating bonded to th... | 10/07/2008 |
| 7116503 | Precision continuous surface guided optical module carrier and method of using same An optical module inspection circuit on an optical platform includes an optical module carrier for precisely aligning optical devices with optical interfaces of inspection equipment located at fixed positions in the optical module inspection circuit. The module-incl... | 10/03/2006 |
| 6985488 | Method and apparatus for transporting packet data over an optical network A method, apparatus and network for transporting layer-2 frames, such as Ethernet MAC, ATM AAL5, and Frame Relay, over SONET, SDH, or OTN transport networks is disclosed. The method establishes “pseudo-wires” between, for example, SONET switches and directly on ... | 01/10/2006 |
| 6980568 | Method and apparatus for system clock synchronization According to one embodiment, a method is disclosed. The method comprises receiving a first set of clock signals from a first clock unit at a second clock unit whenever the first clock unit is operating. The method further includes receiving a signal indicating that ... | 12/27/2005 |
| 6975955 | Method and system for managing manufacturing test stations An exemplary embodiment of the invention is a method of managing test files among a plurality of test stations for testing products. The method includes obtaining a test file having a test file name and assigning a unique identifier to the test file. Enforcement cri... | 12/13/2005 |
| 6965619 | Flexible multiplexer/demultiplexer and method for transport of optical line data to a wide/metro area link A method and apparatus are provided for flexible time-division multiplexing, and demultiplexing, of serial line data, from 1-n client lines, based on the SONET standard (e.g. OC-48 or OC-192) whereby a predetermined and reconfigurable number of STS-1s are allocated ... | 11/15/2005 |
| 6965622 | Wavelength locking scheme and algorithm for ultra-high density WDM system The present invention is directed toward a laser wavelength locking scheme suitable for incorporation into WDM systems having channel spacings of 25 GHz or less. In a preferred embodiment, light output from the laser is supplied to a filtering element, such as an in... | 11/15/2005 |
| 6959139 | Optical fiber management system and method and fiber bender thereof A fiber bending apparatus for bending an optical fiber in a networking device and an optical fiber management system and method are provided. The fiber bender has an arcuate main body which is attached to the end of an optical fiber above the male connector and part... | 10/25/2005 |
| 6952529 | System and method for monitoring OSNR in an optical network An apparatus and method for measuring optical signal to noise ratio (OSNR) in a node of an optical data network is disclosed. A peak power level and an average power level are measured for an optical input to an optical detector. The OSNR is determined by selecting ... | 10/04/2005 |
| 6950830 | Stress-test information database structure and method of use A database architecture and method of using a database is disclosed. The database is intended for use with a product stress testing system in which a large number of different modules may be subjected to a variety of stressors including environmental stressors and f... | 09/27/2005 |
| 6950592 | Fiber optic cable management system One or more fiber optic cable management systems provided with an optical communications housing for managing and routing fiber optic cables. Each fiber optic cable management system includes a series of saddle brackets, and a channel for routing and separating matr... | 09/27/2005 |
| 6944190 | Methods and apparatuses for serial transfer of SONET framed data between components of a SONET system A plurality of transmission circuits transmit data over one or more output lines. A plurality of receiving circuits receive data over one or more of a set of input lines A plurality of parallel-serial conversion circuits coupled to the plurality of transmission circ... | 09/13/2005 |
| 6944029 | Electrical circuit pack ejector system that provides a preemptive warning to the circuit pack An electrical circuit pack ejector system provides a preemptive warning to the circuit pack that allows redirection and disabling of circuit pack functionality prior to ejection and subsequent disconnection of power and input/output signal contacts. The ejector syst... | 09/13/2005 |
| 6934914 | System to optimize received power in an optical network System to optimize received power at an input to a component in a network element that forms part of an optical network. The system includes a graphical user interface (GUI) that guides an installer to allow optimal setting for a variable optical attenuator (VOA) to... | 08/23/2005 |
| 6931196 | Optical device including dynamic channel equalization An optical device including dynamic channel equalization is provided. In an exemplary multiplexer or line amplifier configuration the device includes a plurality of separate optical paths, each of which receiving a separate group of optical signals. Each group of op... | 08/16/2005 |
| 6928247 | WDM ring transmission system An optical fiber ring is provided carrying a plurality of WDM optical signals, each at a respective one of a plurality of wavelengths. Each optical signal carries data associated with a corresponding group of TDM add/drop multiplexers coupled to an optical path spac... | 08/09/2005 |
| 6920105 | Interface receive for communications among network elements An interface receiver coupled among a plurality network elements of at least one network is provided, comprising at least one random access memory (RAM) and at least one comparator. Time slot network (TS net) data frames comprising switching event information are re... | 07/19/2005 |
| 6918070 | Network performance monitoring and restoration based on transmission code violations A network element (NE) in a communications network decodes a data stream received over a communication link. Upon synchronization with the data stream, the NE determines a performance metric for the link based on a number of transmission code violations. In response... | 07/12/2005 |
| 6907201 | Optical power transient control system and method A system and method for optical power transient control and prevention in communication networks. An optical signal propagating on a network is demultiplexed into individual spectral bands, e.g. at an OADM, and an optical power monitor point is included into each ba... | 06/14/2005 |
| 6906734 | Method, system and storage medium for displaying communication network connections A user interface for managing connections across multiple cross connects of a communication network. The user interface provides for creating, viewing and removing connections in the cross connect. The user interface displays the relative position of cross connects ... | 06/14/2005 |
| 6903864 | Method and apparatus for amplification of an optical signal A method and apparatus for amplifying an optical signal in an optical network is provided. In an embodiment of the present invention, an optical amplifying module is disclosed for use in an optical network. The optical amplifying module comprises a variable optical ... | 06/07/2005 |
| 6904241 | Power balanced optical add multiplexer and power balancing methods therefore To improve a power balance of an optical add multiplexer, an add amplifier is optically coupled to an add path of an optical add module. A through loss associated with a signal passing through the add module, and an add loss associated with a signal travelling an ad... | 06/07/2005 |
| 6904462 | Method and system for allocating protection path resources An embodiment of the invention is a method of allocating protection path resources including defining a working path and obtaining a link vector for each of a plurality of protection paths. The link vector includes a plurality of link vector elements. A proposed lin... | 06/07/2005 |
| 6904542 | System for group-based distributed protection switching System for providing distributed group-based protection switching at a network element in a communication network. The communication network includes a plurality of interconnected network elements, and wherein the network element includes first and second card logic... | 06/07/2005 |
| 6900931 | Three-stage optical amplifier having flat spectral gain A three stage optical amplifier is disclosed having a substantially flat gain profile. The amplifier includes a variable optical attenuator coupled between second and third stages of the amplifier and a dispersion compensating element. The attenuation of the optical... | 05/31/2005 |
| 6898702 | System and method for staggered starting of embedded system modules in an optical node A system and method for staggering the starting of embedded system modules of an optical node is disclosed. The embedded system modules of an optical node may be communicatively coupled to a shared data resource required by the embedded system modules during a start... | 05/24/2005 |
| 6885825 | Power balanced optical add/drop multiplexer and power balancing methods therefore To improve a power balance of an optical add/drop multiplexer, an add amplifier is optically coupled to an add path of an optical add/drop module. A through loss associated with a signal passing through the add/drop module, a drop loss associated with a signal trave... | 04/26/2005 |
| 6885822 | Wavelength and filter arrangement for WDM networks In a ring having first and second adjacent nodes, and two fibers carrying information between the first and second nodes, the first fiber carries information in one direction, while the second fiber carries information in another direction. Each fiber includes wavel... | 04/26/2005 |
| 6885828 | Optical signal receiver and method with decision threshold adjustment based on a total percentage error indicator field of the invention An optical receiver configuration and method of controlling an optical signal receiver adjusts a decision threshold to reduce the bit error rate (BER). The receiver includes a comparator having a data input and a digital data output. An error detection & correction ... | 04/26/2005 |
| 6880239 | In-service field pin retrofit tool kit for telecommunications equipment A tool kit for servicing a telecommunications device that utilizes pin connectors connecting electronic modules to the backplane. The tool kit includes one or more pin insertion tools for inserting new pins into pin connectors disposed on the backplane. One or more ... | 04/19/2005 |
| 6877117 | Optical signal receiver and method with decision threshold adjustment based on a relative percentage error indicator An optical receiver configuration and method of controlling an optical signal receiver adjusts a decision threshold to reduce the bit error rate (BER). The receiver includes a comparator having a data input and a digital data output. An error detection & correction ... | 04/05/2005 |
| 6871326 | Defect management system and method A defect management system and method includes a centralized database operatively connected to operator, troubleshooter, reworker and inspector workstations via a network. A defect information management application program is installed on the workstations and gener... | 03/22/2005 |
| 6870860 | Semi-transparent time division multiplexer/demultiplexer A semi-transparent time division multiplexer/demultiplexer that transmits low rate tributaries from one location to another using a high rate aggregate connection, while preserving substantially all of the TOH and payload for each tributary signal. Transparency of t... | 03/22/2005 |
| 6865148 | Method for routing network switching information A method for routing network switching information includes generating at one Time Slot Network (TS Net) data firame from at least one data frame of a first type. The TS Net data frame comprises switching event information. The TS Net data frame is transferred and s... | 03/08/2005 |
| 6860641 | Faceplate electrostatic discharge attenuating waveguide Faceplate, energy-attenuating, waveguide extensions are provided for use with an optical communications module having a circuit board. The circuit board has a plurality of transceivers adjacent to corresponding openings in a front portion of a faceplate, outside a p... | 03/01/2005 |
| 6859431 | System and method for calculating protection routes in a network prior to failure A system and method for automatically generating a protection route as an alternative to a working route through a network of switches prior to network failure. A switch selects the proposed protection route so that the protection route is disjoint from the working ... | 02/22/2005 |
| 6859676 | Method of improving quality of manufactured modules A method of improving the quality of manufactured modules includes logging manufacturing information to a database and utilizing a knowledge base to determine defects of a manufactured module. A quality ticket is issued for defective modules that is used to log and ... | 02/22/2005 |
| 6854054 | System and method of memory management for providing data storage across a reboot A memory management system, method and computer readable medium for use in a circuit pack or circuit card such as in a node in an optical network are described. The memory management system includes memory that provides persistent storage over a reboot and a memory ... | 02/08/2005 |
| 6850483 | Method and system for protecting frame relay traffic over SONET rings A frame relay (FR) protection method generates an OAM frame to other nodes upon detecting a defect on a SONET ring. The protection frame comprises a type of failure and a location of failure. A node that detected the defect transmits the protection frame to other no... | 02/01/2005 |
| 6848062 | Mesh protection service in a communications network An embodiment of the invention is a network element including a monitor module for monitoring received network traffic on a uni-directional, first working link and detecting a failure in the first working link. A controller in communication with the monitor module i... | 01/25/2005 |
