| Patent Number |
Title Of Patent |
Date Issued |
| 6654366 |
Use of virtual gateway in H.323 system |
November 25, 2003 |
| A method for improving the scalability of H.323 systems is described. The method allows a H.323 port to be made busy. This prevents other incoming, or outgoing, calls from using the port. In one embodiment, a virtual port address is provided in response to an address query request. Only |
| 6651178 |
Communication module having power supply requirement identification |
November 18, 2003 |
| A system and method for developing a cost efficient electronic power supply system that handles a range of supported electronic circuits is provided. The electronic power supply system adaptively configures the power applied to electronic circuits. Thereby, eliminating redesign of a powe |
| 6650901 |
System and method for providing user-configured telephone service in a data network telephony sy |
November 18, 2003 |
| A system and method for providing location information and other information about a calling telephone to the caller during a telephone connection in a data network telephony system. Data network telephones may be provisioned and otherwise configured for operation with an extensive d |
| 6650712 |
Low complexity method and apparatus for FSK signal reception |
November 18, 2003 |
| Disclosed is an apparatus and method for low complexity, phase independent reception of FSK signals. A finite series of delay elements produces a plurality of equidistant samples of a received FSK signal. The plurality of equidistant samples is processed by an arithmetic unit using a pha |
| 6650658 |
Controlled aliasing to simplify service selection |
November 18, 2003 |
| A system and method for a handshake protocol for digital subscriber line (DSL) and similar telecommunication systems that makes beneficial use of aliasing to select and decode signaling tones. In particular, the invention carefully selects signaling tones at frequencies such that hig |
| 6650546 |
Chip component assembly |
November 18, 2003 |
| A chip component assembly is provided that includes a plurality of chip components each having respective first and second terminal elements, the first terminal elements being joined to corresponding solder pads on a printed circuit board, the solder pads being in communication with |
| 6647389 |
Search engine to verify streaming audio sources |
November 11, 2003 |
| An automated method for periodically evaluating media streams on a network of computers. The invention is used to determine the availability of various media streams and identify various characteristics of each stream. By repeatedly obtaining the addresses, attempting to establish co |
| 6646656 |
Graphical representation of the connections between network devices and their configuration |
November 11, 2003 |
| Network supervising apparatus comprising a store (21), in use, storing information relating to the components (12, 13, 14) of the network, the links (16) between those components, and the type of each link, a visual display apparatus (18) connectable with said store and including process |
| 6646635 |
Stylus apparatus and method for transmitting light |
November 11, 2003 |
| A stylus apparatus and method includes a manually operable lightpipe for transmitting light. The manually operable lightpipe includes a body portion for transmitting the light, the body portion having an outer surface. The manually operable lightpipe further including a receiving end |
| 6643710 |
Architecture to fragment transmitted TCP packets to a requested window size |
November 4, 2003 |
| Architecture to fragment transmitted transmission control protocol (TCP) packets to a requested window size. Specifically, one embodiment of the present invention includes a method for implementing transmission control protocol segmentation within hardware. The method includes the hardwa |
| 6643358 |
Telephone answering apparatus and method for confirming an acoustic command signal |
November 4, 2003 |
| A telephone answering apparatus for confirming an acoustic command signal includes a controller operatively connected to an acoustic signal detector and to an acoustic signal generator. The controller initiates the transmission of an acoustic response signal to a remote user in response |
| 6643340 |
Carrier phase derived symbol timing |
November 4, 2003 |
| A method and apparatus for symbol timing initialization in a multi-carrier receiver. The method uses phase measurements from a plurality of the individual carriers to make an initial determination of the symbol boundary. The method measures the phases of two carriers, preferably the |
| 6643289 |
Method of MPOA status change notification |
November 4, 2003 |
| A method of notification and handling of device status changes in MPOA enabled ATM based networks. In a first method notification of changes in device status configuration are provided by selectively releasing one or more Data Direct VCs that were previously established be LECs connectin |
| 6643271 |
Adjustable gain transmit cancellation in a full-duplex modem data access arrangement (DAA) |
November 4, 2003 |
| An improved data access arrangement device for use in full-duplex two-wire communication systems having a transmission impedance characteristic. The DAA includes a transmit amplifier and a receive amplifier adapted for connection to a two-wire line, a codec connected to the transmit ampl |
| 6643265 |
Apparatus for and method of releasing stuck virtual circuits in an asynchronous transfer mode ne |
November 4, 2003 |
| An apparatus for and a method of locating and releasing stuck virtual circuits in an ATM network device. Memory resources are freed that would otherwise be lost due to the last cell of a frame not being received on a particular virtual circuit. Two flags: a sticky first_cell flag and a |
| 6643259 |
Method for optimizing data transfer in a data network |
November 4, 2003 |
| The present invention relates to a method for optimizing data flow in a data network. Data that is to be transferred across the network at a constant bitrate is handled differently by a Transmission Control Protocol (TCP) layer compared to other data. A TCP congestion control process is |
| 6642801 |
Oscillator using virtual stages for multi-gigabit clock recovery |
November 4, 2003 |
| In a high speed digital communication receiver, an n-stage oscillator of frequency f has a plurality of n stages with n variable analog delays connected to respective ones of the n stages, outputs of the n variable analog delays providing n successive cycles of a clock signal of frequenc |
| 6640262 |
Method and apparatus for automatically configuring a configurable integrated circuit |
October 28, 2003 |
| A method and apparatus for automatically configuring a configurable integrated circuit. One embodiment comprises a method for automatically loading data including configuration data to a configurable integrated circuit upon initialization of a system in which the configurable integra |
| 6640250 |
Method and apparatus for previewing and selecting a network resource using a rotary knob for use |
October 28, 2003 |
| Disclosed is an apparatus and method for selecting wide area network resources, such as resources identified by URL values, using a rotary knob for user input. A client device having a display and a rotary knob is used for accessing network resources via a public network using an applica |
| 6639901 |
Apparatus for and method for supporting 802.1Q VLAN tagging with independent VLAN learning in LA |
October 28, 2003 |
| An apparatus for and a method of extending the ATM Forum LAN Emulation standard to support 802.1Q VLAN tagging with Independent VLAN Learning. A standard LEC entity is modified to perform the VLAN tagging method that supports Independent VLAN Learning. Since the LES may also respond to |
| 6636505 |
Method for service provisioning a broadband modem |
October 21, 2003 |
| A method for automatically provisioning a broadband communication service to a subscriber having a broadband modem. The method includes the step of transmitting a service request from the broadband modem to a central office, which is associated with a network service provider. The networ |
| 6636485 |
Method and system for providing quality-of-service in a data-over-cable system |
October 21, 2003 |
| A method and system for quality-of-service in a data-over-cable system is provided. A cable modem in a data-over-cable system makes a connection request to a cable modem termination system with a requested quality-of-service. The requested quality-of-service includes class-of-service |
| 6636092 |
Digital receive phase lock loop with cumulative phase error correction |
October 21, 2003 |
| A digital PLL's stability and immunity to jitter are improved by deriving the correction to the state machine count from an average over several computations of the phase error. The PLL stability is improved by retaining all of the phase errors measured during a succession of plural |
| 6633628 |
Apparatus and method for selecting a supported signal path for a transceiver |
October 14, 2003 |
| A method and apparatus for selecting a supported signal path for a transceiver in a communication system is provided. An exemplary embodiment of the apparatus includes a relay for selecting a first test signal path from a first signal path and a second signal path. A signal detector |
| 6633617 |
Device and method for compensating or creating doppler effect using digital signal processing |
October 14, 2003 |
| Doppler shift compensation by interpolation of a new sample between successively received signal samples using stored values of an interpolation function. The interpolation function has a non-zero amplitude in an argument range symmetrical about zero argument and zero amplitude outsi |
| 6633565 |
Apparatus for and method of flow switching in a data communications network |
October 14, 2003 |
| An apparatus and associated method for performing flow switching (tag switching) in a frame switching environment. The flow switching apparatus provides a mechanism whereby flows are identified and tags assigned to them. The identification and assignment of tags to flows is made Inde |
| 6633542 |
Method of establishing a flow in an ATM based MPOA network |
October 14, 2003 |
| A method of controlling the route used for a flow in an environment comprising a default routing path and a shortcut path in an MPOA enabled ATM based network. A data field is added to the Ingress Cache table in the Ingress MPOA Client (I-MPC) to indicate whether the flow is to be routed |
| 6633277 |
Compact 3-state data entry device |
October 14, 2003 |
| A data entry system having a base. The base has a plurality of rotatable cylindrical controls. The controls are rotated into a plurality of positions, each of the plurality of positions represent a control sequence. Each control sequence represents one of a plurality of alphanumeric |
| 6633230 |
Apparatus and method for providing improved stress thresholds in network management systems |
October 14, 2003 |
| A network management apparatus and method for determining an optimum threshold value for a monitored characteristic of a network is described. The optimum threshold value is determined by counting a number of previously received events generated from values for a monitored characteri |
| 6628754 |
Method for rapid noise reduction from an asymmetric digital subscriber line modem |
September 30, 2003 |
| A method for rapid noise reduction from a splitterless ADSL modem. The modem stores a value for the power level of its transmitter in a table along with transmission characteristics of the telephone loop. The stored value for its power level is the power level that was previously suc |
| 6628623 |
Methods and systems for determining switch connection topology on ethernet LANs |
September 30, 2003 |
| A method of determining an Ethernet LAN switch topology including the steps of a) establishing a communications link between a network management server and a switch in an Ethernet LAN, thereby defining the switch as a root switch, b) identifying each of a plurality of switches attached |
| 6625684 |
Application specific integrated circuit with dual-mode system for externally accessible data bus |
September 23, 2003 |
| An application specific integrated circuit includes a multiplicity of operational blocks each of which includes at least one respective data bus and at least one respective visibility bus and a respective addressable multiplexer for selecting between those buses to provide an output on a |
| 6625148 |
Self routing interconnect cross-switch |
September 23, 2003 |
| A self routing cross-switch device and method is provided with a mesh interconnect having high speed connections (e.g., connections at 10 Gbps). A plurality of input MUX elements are connected to the mesh interconnect. Each MUX element looks at a header of a frame arriving at the input M |
| 6625119 |
Method and system for facilitating increased call traffic by switching to a low bandwidth encode |
September 23, 2003 |
| A method and apparatus for increasing call capacity in a packet switched telephony system in an emergency mode. The telephony system includes a management system, which detects an emergency, such as a surge in incoming media streams, a surge in traffic elsewhere in the system, a potentia |
| 6622031 |
Antenna flip-up on removal of stylus for handheld device |
September 16, 2003 |
| An antenna configuration for storing and deploying an antenna used with a hand-held wireless device, and method thereof. The device housing has a molded opening for holding a stylus element used with the device. The antenna is also stored in the housing within the molded opening, and the |
| 6622018 |
Portable device control console with wireless connection |
September 16, 2003 |
| A system and method for controlling a remote device over a wireless connection. In one embodiment, a hand-held computer system having a Bluetooth-enabled transceiver is used to control other Bluetooth-enabled devices. A wireless connection between a transceiver and a remote device is |
| 6621790 |
Link aggregation repeater process |
September 16, 2003 |
| An aggregate link system is provided with cooperating link aggregation member devices defining a link aggregation. An end device is provided. Network links connect the end device to each of the link aggregation member devices. One or more of the network links define an aggregate link. |
| 6621714 |
Apparatus and method for harnessing optical fiber to a circuit board |
September 16, 2003 |
| An apparatus and method for retaining a length of fiber optic cable to a circuit board includes a body portion. The body portion of the apparatus includes at least a pair of spaced legs extending from the body portion, each of the legs is adapted to be received in a mounting opening form |
| 6618395 |
Physical coding sub-layer for transmission of data over multi-channel media |
September 9, 2003 |
| A method and apparatus for transporting data over a plurality of serial channels. A plurality of parallel data word are generated from a parallel data word of greater width. The plurality of parallel data words are scrambled in a predetermined manner utilizing a side scrambler to generat |
| 6618393 |
Method and apparatus for transparent support of network protocols with header translation |
September 9, 2003 |
| Methods and apparatus for permitting a host system such as a general-purpose computer to communicate over a network with a remote peer where the host system does not provide native network protocol support for protocols required by the network elements, such as a remote router or bri |
| 6618013 |
Retractable antenna assembly |
September 9, 2003 |
| The invention discloses a retractable antenna system for wireless communication devices. The invention allows the entire antenna assembly, including ground plane and impedance matching circuitry, to be moved away from the wireless communication device and extend beyond any housing, such |
| 6617837 |
Frequency locked loop speed up |
September 9, 2003 |
| A method is provided for testing a communication circuit. Power is applied to a clock recovery circuit. A precharge bit is provided to the clock recovery circuit after applying power to the clock recovery circuit. A predetermined number of pulses is provided to a charge pump coupled to a |
| 6614809 |
Method and apparatus for tunneling across multiple network of different types |
September 2, 2003 |
| A system and method are shown for establishing tunnel connections across multiple networks of differing types. A tunnel media translator device is connected to both a first and second network of different types. The translator receives a tunnel connection set-up request (SCCRQ) from a |
| 6614792 |
Proxy MPC for providing MPOA services to legacy lane clients in an asynchronous transfer mode ne |
September 2, 2003 |
| A proxy MPOA client in a VLAN that is otherwise populated by legacy LECs such that the MPOA services for these LECs are provided centrally by the proxy MPC. A standard MPC enabled edge device is adapted to provide MPC services to legacy LECs that are not MPOA aware. Such an edge device |
| 6614787 |
System and method for efficiently handling multicast packets by aggregating VLAN context |
September 2, 2003 |
| A method and system for efficiently handling multicast packets by aggregating VLAN (virtual local area network) context. In one embodiment, multicast registration information is received for a first client in one VLAN and then multicast registration information for the second client in |
| 6614757 |
Method of local flow control in an asynchronous transfer mode network utilizing PNNI routing pro |
September 2, 2003 |
| A method of performing flow control in a PNNI network wherein a node that becomes congested advertises this fact to the network thus eliminating additional call requests and other messages that it cannot handle due to the current load. The method utilizes the Maximum Cell Rate (MCR) and |
| 6614756 |
Method of detecting and recovering from signaling congestion in an asynchronous transfer mode ne |
September 2, 2003 |
| A method of detecting a signaling congestion situation in a transmitter within a communications switch and for handling and recovering from the congestion. The method functions to (1) monitor the level of the transmit queue for each output port and (2) to monitor the level of the signali |
| 6614350 |
Method and system for effecting a security system upon multiple portable information devices |
September 2, 2003 |
| A method and system for effecting a security web upon multiple devices. In one embodiment of the invention, multiple devices are enabled to respond as authorized members of a security web such that each device acts as a co-monitoring device within the web. Further, each device transmits |
| 6612874 |
Rotating connector adapter with strain relief |
September 2, 2003 |
| A connector adapter that can be used to directly connect a peripheral device to a host device. The connector adapter is adjustable so as to allow selective reorientation of the peripheral with respect to the host device. The connector adapter includes a limiting mechanism that restricts |
| 6612856 |
Apparatus and methods for preventing cable-discharge damage to electronic equipment |
September 2, 2003 |
| A connector assembly for protecting against cable discharge with respect to static charges that may accumulate on cables and other conductors. The connector assembly comprises a modular plug that mates with a modular jack. The modular jack comprises a plurality of resilient contacts that |
