Assignee: NEC America, Inc.

Location: Melville, NY
No. of patents: 35

Number	Title	Issue Date
7124156	Apparatus and method for immediate non-sequential state transition in a PN code generator A power of a square matrix is determined in a time approximately proportional to the upper integer of the base-2 logarithm of the order of the matrix. A preferred embodiment uses two types of look-up tables and two multipliers for a matrix of 15×15, and is applied ...	10/17/2006
6728210	Multi-logical access for a serial data link A multi-logical access for a serial data link designed with a multi-logical serial interface protocol which permits multi-drop applications to communicate in a time division multiplex mode over a singular drop or physical serial link such as an RS-232 link. Data is ...	04/27/2004
6721414	Cable management system An article of manufacture is provided including a computer usable medium having a computer readable program code device embodied therein for graphically representing and managing a telecommunications cable system. Managing includes tracking all hardware components c...	04/13/2004
6708044	Apparatus and method for automated band selection via synthesizer bit insertion A method and apparatus for providing time-critical band selection in a communication device with dual band or multi-band switching, or, alternatively, for providing dual mode or multi-mode time critical operating ability. The mobile station typically has a transmitt...	03/16/2004
6625272	Telemanagement system with single point of entry A computer readable program code comprising creating and managing a master database for maintaining a copy of information contained in at least one PBX and adjunct system databases; providing a single user interface for entering data into the master datab...	09/23/2003
6580709	Sonet system and method which performs TSI functions on the backplane and uses PCM buses partitioned into 4-bit wide parallel buses A SONET network interface for interconnecting a high speed unit (HSU) with low speed interface units (LSUs) is provided for enabling transmission of signals therebetween. The interface includes: a bus for interfacing the HSU with each of the LSUs to enabl...	06/17/2003
6529599	Flexible tributary unit protection method for a trunk-multiplexed metallic interface In a telephone system having multiple working metallic interface units, a method and a structure provide protection by assigning to each metallic interface unit a partner unit, which is another metallic interface unit. Under this arrangement, when a failu...	03/04/2003
6504924	Telemanagement system with single point of entry A telecommunication management system drawn to processing communication between a client application single user interface, a master database, and a PBX and adjunct system, comprising connecting to the client application single user interface through a fi...	01/07/2003
6498839	Telemanagement system with modular features and database synchronization An article of manufacture including a computer usable medium having software embodied therein for managing at least one telephone system having a PBX switch and database and at least one adjunct system and database. The software including code for: creati...	12/24/2002
6473504	Telemanagement system with single point of entry A telecommunication management system drawn to configuring a Service Provider telemanagement program module by a client application, where the Service Provider supports multiple systems, the method steps comprise sending a request for Service Provider ver...	10/29/2002
6445786	Telemanagement system with single point of entry A telecommunications management system that deploys a single-point-of-entry and synchronous database system. In addition to controlling commonly used PBX systems, the management system controls adjunct systems such as voice mail and 911 emergency systems ...	09/03/2002
6411700	Telemanagement system with single point of entry A telecommunications management system that deploys a unique Single-Point-of-Entry and Synchronous Data Base system. The system of the present invention is an integrated suite of system control and application software modules used to manage one or more t...	06/25/2002
6314283	Cellular phone subsidy lock A cellular phone subsidy lock which ensures that a cellular phone, sold to an end-user at a price subsidized by a cellular carrier, is activated only on the subsidizing carrier's network, and not on a competitor's network. A secure carrier code, specific ...	11/06/2001
6314478	System for accessing a space appended to a circular queue after traversing an end of the queue and upon completion copying data back to the queue A circular queue system is implemented using either a `mirror space` appended to the circular portion of the queue (or buffer) or an `borrow` space appended to the circular portion of the queue (or buffer). In each implementation, address verification or ...	11/06/2001
5878039	Bus rate adaptation and time slot assignment circuit for a sonet multiplex system An interface device is provided which may be used to perform rate adaptation and time slot assignment, in either the transmit or receive directions, in a multiplexing unit for interfacing a high rate optical carrier line to a plurality of lower rate infor...	03/02/1999
5848065	Optimized universal card slot system for sonet multiplex equipment A universal tributary interface group approach for SONET multiplex equipment in which the shelf is partitioned into regions and each region can be provisioned to support different service types. The universal tributary group system includes an equipment s...	12/08/1998
5815490	SDH ring high order path management A method of managing a telecommunication subnetwork system composed of a number of network elements coupled together through an optical medium to form a Synchronous Digital Hierarchy (SDH) network ring. Each of the network elements receives upon initiatio...	09/29/1998
5781410	Densely packed telecommunications equipment enclosure A telecommunications equipment enclosure, designed to be placed outdoors at a remote location, houses equipment to provide a large number of voice channels, an AC power supply, an AC/DC distribution panel, protector panels, a back-up battery plant, multip...	07/14/1998
5678004	Authentication apparatus and process A wide-area computer network system provides bandwidth based on network demand, throughput, and delay requirements, distribution of network load over multiple, parallel connections from the originating node to a destination node, a method of enabling effi...	10/14/1997
5631897	Apparatus and method for incorporating a large number of destinations over circuit-switched wide area network connections In a wide-area computer network system providing bandwidth based on network demand, throughput, and delay requirements, distribution of network load over multiple, parallel connections from the originating node to a distinction node, an apparatus and meth...	05/20/1997
5630303	Remote enclosure anchor frame and installation method An anchor frame for securely fastening a remote housing to a concrete pad, formed from one piece of sheet-metal to hold anchor bolts and wires in place when pouring a concrete pad for a remote enclosure, so that the bolts are properly aligned for attachin...	05/20/1997
5631928	Enhanced B3ZS decoder and method for identifying true zero-substitutions An enhanced B3ZS decoder which substantially improves error-multiplication performance is disclosed. A string of four bits is examined to detect whether it satisfies two specific criteria. The first criterion is that every valid zero-substitution pattern ...	05/20/1997
5510786	CMI encoder circuit A Coded Marked Inversion (CMI) encoding circuit having a completely synchronous and digital implementation for encoding a stream of digital data in non-return-to-zero (NRZ) format into the CMI format. The encoding circuit includes a clock for providing a ...	04/23/1996
5473274	Local clock generator A local clock system uses a numerically controlled oscillator referenced to a stable oscillator to generate local clock signals under microprocessor control. Two feedback loops provide inputs to the microprocessor for maintaining synchronization with the ...	12/05/1995
5412652	Sonet ring subnetwork management method A method of managing a telecommunication subnetwork system composed of a number of network elements coupled together through an optical medium to form a Synchronous Optical NETwork (SONET) ring. Each of the network elements receives upon initiation or rec...	05/02/1995
5406455	Snap-in card guide A holder for holding polygonal shaped objects (i.e., printed circuit boards) and adapted to be slidably engaged with a rigid U-shaped enclosure, includes first and second integrally-formed frames and a mechanism for locking the frames into the U-shaped en...	04/11/1995
5398236	Asynchronous transfer mode link recovery mechanism An inter-node communications link failure recovery system for ATM nodes in which connections are quickly switched from a faulty link to one or more existing links. Within a node, alternate connection routes are predetermined for every connection originati...	03/14/1995
5390180	SONET DS-N desynchronizer A SONET/DS-N desynchronizer and method for receiving an incoming stream of SONET (Synchronous Optical NETwork) data, having a controller for controlling numerically controlled oscillator and clock circuit which provide a desynchronized clock for smoothly ...	02/14/1995
5367598	Interface chassis for fiber optic transport system An interface housing which has a fiber spool to store slack in the fiber trunks and a card cage to interface the trunk mounted on the door of the housing. The door is hinged on one side of the housing so that, when the door swings open, the entire card ca...	11/22/1994
5355362	Digital loop carrier system A telecommunication network which includes a SONET-based digital subscriber loop carrier system that supports wideband and narrowband services. The digital subscriber loop carrier system includes a common module for performing common functions of the syst...	10/11/1994
5337351	Feature interaction arbitrator A Feature Interaction Arbitrator (FIA) for identifying the existence of interactions among various telephone call features (e.g., call forwarding busy line and call waiting) and for resolving these interactions. The FIA manages feature interactions in thr...	08/09/1994
5337208	In-line AC current limiter An AC current limiter, which is connected in series with a transmission line and which operates in two modes, a conductive mode and a protective mode, includes first and second transistors coupled in parallel with first and second diodes, respectively and...	08/09/1994
5311511	SONET DS-N desynchronizer A SONET/DS-N desynchronizer and method for receiving an incoming stream of SONET (Synchronous Optical NETwork) data, having a controller for controlling either a direct digital synthesis circuit that provides a desynchronized clock for smoothly adapting t...	05/10/1994
5195110	Clock recovery and decoder circuit for a CMI-encoded signal A method and digital circuit for decoding and recovering a data clock from an incoming stream of Coded Marked Inversion (CMI) encoded data. The CMI encoded data is applied to a shift register where the data is sampled at a rate greater than the incoming t...	03/16/1993
5113187	CMI encoder circuit A circuit having a completely synchronous and digital implementation for encoding a stream of digital data (NRZ form) into the coded marked inversion (CMI) format. The circuit includes a state machine having a predetermined number of defined legal and ill...	05/12/1992

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Assignee: NEC America, Inc.