| Patent Number |
Title Of Patent |
Date Issued |
| 6937610 |
Method and protocol for a medium access control layer for local area networks with multiple-prio |
August 30, 2005 |
| A Medium Access Control ("MAC") Layer protocol and a method for contention resolution using the protocol is provided for networks with multiple priority traffic. The protocol is used where a physical layer connected to a transmission medium uses a carrier modulation scheme with multiple |
| 6934740 |
Method and apparatus for sharing common data objects among multiple applications in a client dev |
August 23, 2005 |
| Disclosed is software architecture and method for sharing data objects among multiple applications in a client device. The architecture includes a server process in the client device for processing a template, such as a SHTML template for the Extended Markup Language (XML), based on a te |
| 6934263 |
Spanning tree with protocol for bypassing port state transition timers |
August 23, 2005 |
| Mechanisms for use on designated ports in spanning tree protocol entities allow such ports to transition to a forwarding state on the basis of actual communication delays between neighboring bridges, rather than upon expiration of forwarding delay timers. The logic that manages transitio |
| 6933896 |
Extendable planar diversity antenna |
August 23, 2005 |
| The present invention is a retractable/extendable diversity antenna that provides the appropriate polarization in a horizontal orientation. The antenna structure is placed within a Type II PCMCIA PC card package and may be extended or retracted with one touch. The antenna structure is |
| 6928059 |
Efficient method of deducing network topology including endstations |
August 9, 2005 |
| A technique for discovering the topology of a computer network and which relies on initially resolving the positions of end stations on the network and subsequently resolving the topology of remaining devices. This technique specifically involves querying a port of a managed device for a |
| 6925078 |
Network adaptor driver with destination based ordering |
August 2, 2005 |
| A network transmitter (driver or adaptor/driver combination) reorders packets received for transmission from a higher layer protocol based on packet destinations. The invention reduces bottlenecks at the transmitter and potentially throughout network intermediate system. Destination base |
| 6925076 |
Method and apparatus for providing a virtual distributed gatekeeper in an H.323 system |
August 2, 2005 |
| A method and apparatus for improving the scalability of H.323 systems is described. An H.323 gateway can be modified to store call state information associated with a call on at least one of the ports of the modified H.323 gateway. The modified H.323 gateway can send registration, ad |
| 6921296 |
Card cage and electronic card apparatus and system |
July 26, 2005 |
| One or more keys (101, 102, 103) can be integrally formed of a card cage and positioned to extend into the card-receiving openings of the card slots that comprise the card cage. The cards can then have key-receiving openings (112, 114, 116) that accommodate such keys. By matching the key |
| 6920559 |
Using a key lease in a secondary authentication protocol after a primary authentication protocol |
July 19, 2005 |
| The present invention provides a method and system for using a key lease in a secondary authentication protocol after a primary authentication protocol has been performed. In one embodiment, the primary authentication protocol comprises a strong, secure, computationally complex authe |
| 6920172 |
Dual purpose spread spectrum radio receivers with controlled frequency rejection |
July 19, 2005 |
| A receiver for a direct sequence spread spectrum signal subject to interference from a locally transmitted or received frequency-hopped spread spectrum signal includes a programmable notch filter which is controlled in accordance with the code sequence of a frequency-hopped signal to |
| 6917592 |
LNS high availability and load balancing with LNS-to-LNS state offloading |
July 12, 2005 |
| A primary LNS, a peer LNS and a LAC are coupled to each other via a network A CPE is coupled to the LAC. A first tunnel is established between the CPE and the LAC using the network and information is transmitted through the first tunnel. A determination is made as to whether the primary |
| 6915448 |
Storage disk failover and replacement system |
July 5, 2005 |
| A storage assembly includes a plurality of multi-unit storage device is provided with a failover procedure that does not require hot-swap capability. Individual units are aggregated into a storage array by an aggregation procedure such as RAID. When a failure occurs data from the fai |
| 6914952 |
Superframe alignment to a pre-existing ADSL data exchange |
July 5, 2005 |
| A digital subscriber line network allows a plurality of remote modems to communicate without interfering with the communication to the central office. Each symbol of a superframe is converted to a tone vector, and the tone vectors are integrated over a plurality of superframes. The tone |
| 6914897 |
System and method for accessing radio programs using a data network telephone in a network based |
July 5, 2005 |
| A system and method of accessing radio programming from radio stations that communicate radio programming on a data network. The radio programming is accessed as radio or audio signals formatted in radio-over-data packets to a data network telephone. The data network telephone is a telep |
| 6912206 |
Discovery of phones on a network, such as a LAN |
June 28, 2005 |
| In a computer network, a process for discovering devices in the network, including network phones, and constructing a topological map of the network; and associated apparatus for retrieving an icon relating to the phones and displaying the map including the phones therein. |
| 6908324 |
Connector scheme to allow physical orientation of a computer peripheral |
June 21, 2005 |
| An adapter mechanism for facilitating re-orientation of a plug having an original orientation that is unsuitable for a peripheral device is presented. Re-orientation of a peripheral device is possible in an embodiment by advancing a symmetrical interface to another mating position ex |
| 6898279 |
Methods and computer readable media for creating dialing strings useful in an international dial |
May 24, 2005 |
| Methods and computer readable media are provided for creating a dialing string. The dialing strings are used in a dial-up session to establish a communications link for transferring data between computing configurations from an origination location to a destination location. In a preferr |
| 6898210 |
System and method for providing a local area network utilizing remote transceivers |
May 24, 2005 |
| A system and method for providing a local area network utilizing discrete multitone transceivers includes at least two discrete multitone transceivers each of which may be capable of communicating with the central office and with other discrete multitone transceivers in communication |
| 6898188 |
Gatekeeper simulator in a LAN telephony system |
May 24, 2005 |
| An apparatus for and a method of simulating the functionality of the gatekeeper in a LAN telephony system. The gatekeeper simulator of the present invention enables tester personnel to manually control the behavior of the gatekeeper and its environment. The gatekeeper simulation plat |
| 6892229 |
System and method for assigning dynamic host configuration protocol parameters in devices using |
May 10, 2005 |
| A system and method for obtaining configuration parameters from a dynamic host configuration protocol (DHCP) server in a network device that uses an off-the-shelf operating system. The operating system has a resident client that obtains a set of configuration parameters and assigns the p |
| 6891887 |
Multi-carrier LAN adapter device using interpolative equalizer |
May 10, 2005 |
| A LAN adapter device using an interpolative equalizer. The LAN adapter device allows LAN computing devices to connect to the LAN medium. The adapter devices are internal or external to the LAN devices and provide a transceiver and protocol stacks for the LAN devices to communicate with |
| 6883023 |
Method apparatus and communications system for companion information and network appliances |
April 19, 2005 |
| The invention provides an information appliance and a network appliance (or telephone) that function independently as well as with each other as companion appliances. The information appliance stores user information corresponding to a particular user. The telephone is linked to network. |
| 6882661 |
System for detection of asynchronous packet rates and maintenance of maximum theoretical packet |
April 19, 2005 |
| A system transfers a data stream including data packets separated by non-packet words from a first clock domain to a second clock domain. It includes an elasticity buffer into which the data stream is written in a cyclic sequence under the control of the clock frequency in the first |
| 6882630 |
Spanning tree with rapid propagation of topology changes |
April 19, 2005 |
| Modifications to the spanning tree algorithm allow bad news to propagate quickly by providing that protocol entities on bridges process inferior information sent by the designated bridge for each LAN. In addition, bridges use per port hello timers to stimulate information propagation, |
| 6882622 |
Flow control system for network devices |
April 19, 2005 |
| A network device which includes means for receiving data packets over a link, a memory for the packets, means for providing an indication that the occupancy of the memory is less than a first watermark, and means responsive to the indication for providing a sequence of pause frames c |
| 6882217 |
Cubic spline predistortion, algorithm and training, for a wireless LAN system |
April 19, 2005 |
| The present invention includes methods and devices to apply predistortion to correct nonlinearities of a power amplifier in an OFDM symbol transmission system. More particularly, predistortion is patterned to take into account clipping of symbols and to match an effective input range of |
| 6880020 |
Method and system for installing different communications jacks into an intelligent data concent |
April 12, 2005 |
| Embodiments of the present invention facilitate coupling electronic devices to an intelligent data concentrator. The intelligent data concentrator is operable for multiplexing data signals from a plurality of client devices to a network interface using client interfaces. Embodiments of t |
| 6877145 |
Automatic generation of interconnect logic components |
April 5, 2005 |
| A program tool automatically generating interconnect logic for a system-on-a-chip is based on a library of operational cores and on a architecture which requires all data exchange between cores to proceed via shared memory, which may be `off-chip`. The architecture includes a data ag |
| 6874047 |
System and method for implementing an SMBus/I2C interface on a network interface card |
March 29, 2005 |
| A system and method for implementing an SMBus/I.sup.2 C interface in a computer connectable to a network. The system includes a plurality of devices communicably coupled to an SMBus. The system operates at a first clock rate when the system is awake, and at a second clock rate less than |
| 6873701 |
System and method for DTMF detection using likelihood ratios |
March 29, 2005 |
| A system and method for determining DTMF coefficients stores a plurality of reference templates, at least some of said reference templates representative of likelihood ratios. A plurality of LPC coefficients is received. The LPC coefficients are representative of an input signal. The |
| 6870830 |
System and method for performing messaging services using a data communications channel in a dat |
March 22, 2005 |
| A system and method for performing messaging between telephones in a data network telephone system. The message communications may be managed by a messaging application connected to the data network. The messaging application detects when a telephone is connected to another telephone and |
| 6868088 |
Automatic detector of media interface protocol type |
March 15, 2005 |
| A detector for determining which interface protocol is in use by a serialiser/deserialiser, and comprising detecting channels composed of clocked delays and bit comparators for detecting the presence of idle signals coded according to either ten-bit or five-bit protocols using either |
| 6865673 |
Method for secure installation of device in packet based communication network |
March 8, 2005 |
| A method of installing a network device in a packet-based data communication network and checking the authenticity of the installation includes: (a) communicating identification information of the device to a management system; (b) installing the device; (c) obtaining from a protocol |
| 6865223 |
Equalizer adapter for a pulse amplitude modulation receiver |
March 8, 2005 |
| A receiver has an equalizer with plural equalization settings, which compensates for distortion in a received signal, and an adapter for selecting one of those settings which optimally compensates for the distortion. The adapter employs a trial and error procedure for evaluating equa |
| 6862286 |
Tracking dynamic addresses on a network |
March 1, 2005 |
| In a computer network of devices, at least some of the devices (i.e. the DCHP devices) have a static (e.g. MAC) address which does not change over time and a dynamic (e.g. IP) address which may change over time. There is disclosed a method and computer program for mapping the static addr |
| 6859051 |
Systems and methods for impedance synthesis |
February 22, 2005 |
| The present invention synthesizes a prescribed impedance. The impedance is synthesized by generating a current having a value substantially equal to a voltage divided by a prescribed impedance. Sensing the line voltage and converting that sensed line voltage to its digital equivalent acc |
| 6857072 |
System and method for enabling encryption/authentication of a telephony network |
February 15, 2005 |
| A system and method for enabling encryption and/or authentication services on a telephony network. A portable information device, such as a personal digital assistant is used to exchange encryption and/or authentication data with a second portable information device. The portable informa |
| 6857027 |
Intelligent network topology and configuration verification using a method of loop detection |
February 15, 2005 |
| A system and method are disclosed for detecting and preventing bridge loops in a relatively low cost bridge module designed for installation in a network hub. The bridge operates to monitor an intra-hub communication path of the network hub to detect bridge protocol data units transmitte |
| 6857021 |
Proximity-based registration on a data network telephony system |
February 15, 2005 |
| Proximity-based registration of a user to a data network appliance on a data network telephony system. A portable information device, such as a PDA (Personal Digital Assistant) or passive proximity-based security badge, is associated with the user. When the portable information device |
| 6856683 |
Method for reducing noise from a non-linear device that shares a customer loop with an asymmetri |
February 15, 2005 |
| A method for reducing noise from a non-linear device, such as a telephone, that shares a customer loop with a splitterless Asymmetric Digital Subscriber Line modem. The non-linearity of the device can cause some of the upstream signal to bleed into the downstream signal band. The modem |
| 6856616 |
System and method for providing service provider configurations for telephones using a central s |
February 15, 2005 |
| A system and method for providing service provider configured telephone service to a user of a data network telephone. The user connects a data network telephone to the data network. The data network telephone may establish a connection to a telephone configuration server. The data n |
| 6854015 |
System for isolating ethernet network traffic |
February 8, 2005 |
| A card, particularly a digital line card is provided for use with a chassis having a slot for receiving the digital line card. The chassis has an Ethernet bus for receiving packets from the line card and has a power supply and power strip for supplying power to the line card. The line ca |
| 6853637 |
Converged home gateway |
February 8, 2005 |
| A local area network connected to an infrastructure access device that provides the home LAN with access to voice, data and television services. The infrastructure access device includes a gateway to voice over Internet Protocol services, an interface to a data network for data access, a |
| 6853622 |
Link aggregation repeater process |
February 8, 2005 |
| An aggregate link system and process is provided with cooperating link aggregation member devices defining a link aggregation. An connected devices is provided. Network links connect the connected devices to each of the link aggregation member devices. One or more of the network links |
| 6851080 |
Automatic activation of ASIC test mode |
February 1, 2005 |
| An automatic scan test enable signal assertion system and method responds to transitions in signals communicated via selected pins that are not dedicated solely to testing operations. Pins are utilized to communicate a trigger signal and a stage progression signal. The trigger signal pro |
| 6847693 |
Method and device providing data derived timing recovery for multicarrier communications |
January 25, 2005 |
| A method and a device for providing timing recovery in a multicarrier transmission system is provided. The data derived timing recovery apparatus with the timing error controller adjusts the sampling rate at the receiver. The data derived timing recovery apparatus uses decision direc |
| 6847635 |
Method to transmit silence compressed voice over IP efficiently in DOCSIS cable networks |
January 25, 2005 |
| A method to use the data packet carrying ability of cable TV networks as described in DOCSIS to accurately and quickly transmit a voice call from a cable user to another user over a cable TV cable. The cable telephone, or cable modem, is given the ability to detect when voice activity fr |
| 6842797 |
USB adapter for burst mode communications |
January 11, 2005 |
| Disclosed is device and method for improved burst communication on a USB bus. In one embodiment, a USB Ethernet adapter device uses the USB Interrupt Channel to send a message to an Ethernet class driver, via the host USB stack, that the Ethernet adapter device has data to transmit on |
| 6842790 |
Host computer virtual memory within a network interface adapter |
January 11, 2005 |
| A system and method of mapping a host computer address space into a network interface adapter (NIA) address space. A network interface processor within the NIA requests a memory allocation from the host computer. The host computer responds with an assigned base address in the host comput |
| 6839360 |
FIFO storage including pointer misalignment detection |
January 4, 2005 |
| A FIFO store for data packets and their respective status words includes space for the writing of a predetermined sync word or one of a cyclic sequence of predetermined sync words with each status word. The sync word can be used to prevent forwarding of a packet and as an aid to fault |
