Matches 151 - 200 out of 541 < 1 2 3 4 5 6 7 8 9 10 11 >
Match Document Document Title
7089475 Error correction of data across an isolation barrier  
A communication isolation system is provided that may employ error correction techniques for the data communicated across an isolation barrier used for connecting electronic circuitry to a...
7089033 Mobile terminal having UWB and cellular capability  
A transceiver capable of handling both UWB and narrowband calls includes a mechanism for detecting when a signal from one of the narrowband systems will interfere the UWB communication and...
7085285 xDSL communications systems using shared/multi-function task blocks  
A communications system including a shared signal circuit for performing a set of signal processing operations on both receive data and transmit data. The signal processing circuit is also shared...
7075980 Digital connection detection technique  
A technique is described for reliably determining whether a direct digital connection exists between a transmitting server modem and a receiving client modem. Such a determination is an essential...
7072449 System and method for establishing a power level for a communication signal transmitted in a conductor  
A method of establishing a transmission power level for signals transmitted in a conductor is provided in an environment where signal interference is present between the signals in the conductor...
7069062 Transceiver capable of causing series resonance with parasitic capacitance  
A transceiver for inducing electric fields according to data to be transmitted in an electric field propagating medium, and carrying out at least data transmission by using induced electric fields,...
7058524 Electrical power metering system  
A wireless electrical power metering system is provided. A processor having a multichannel power line transceiver, a wireless transceiver, and a power meter attached thereto measures power...
7054374 Differential simultaneous bi-directional receiver  
When signaling over cables or other media having significant return impedance, it is generally more efficient to use two conductors to carry two simultaneous bi-directional signals differentially,...
7042934 Crosstalk mitigation in a modem pool environment  
In a modem pool system capable of mitigating alien crosstalk, a system including a first modem pool including at least two modems, at least one protected line connected to one of the modems, at...
7039103 Asymmetric digital subscriber line methods suitable for long subscriber loops  
Systems and methods are described for asymmetric digital subscriber loops. A method includes utilizing a circuit having a first end and a second end, the circuit having a first amplification...
7031346 System for providing extended range ADSL service with auxiliary pots channel over single-line digital subscriber link  
Relatively low cost asymmetric digital subscriber line (ADSL) service and auxiliary POTS service are delivered over extended distances (e.g., at least 20–25 kft), by a hybrid ADSL-SDSL...
7026917 Power line communication system and method of operating the same  
The present invention provides communications via multiple power lines that are communicatively coupled to each other at a coupling location, which for example may be at a substation. In one...
7027399 Data communication device  
A device for use in a modem configuration that enables the transfer of data from a host signal processor (HSP) to an A/D-D/A converter or CODEC with less data loss, with low noise and that can send...
7020187 Integrated modem and line-isolation circuitry with HDLC framing and associated method  
An improved modem architecture and associated method that integrates modem and line-isolation circuitry so as to achieve modem functionality and system-side isolation functionality on a single...
7010026 Enhanced line card and packetizing CPE for lifeline packet voice telephone  
A voice and data communication system whereby a line card digitizes and packetizes voice communications signals upon the failure of Customer Premises Equipment (CPE). The system comprises a line...
7003024 Semiconductor device  
A semiconductor device comprises a DSP (Digital Signal Processor), a CPU for controlling the DSP and an interface circuit. The interface circuit comprises an input circuit, a gain-adjusting circuit...
6999519 Multicast radio communication system and apparatus  
A multicast radio data communication system comprising a master and a plurality of slave stations uses a retransmission protocol. Data is transmitted by the master station and received by the slave...
6989734 Modulated data transfer between a system and its power supply  
A power supply that includes networking capabilities where networking data is sent and received to and from other systems over the power line and to and from the rest of the system that is being...
6987800 DSL transmission system with far-end crosstalk cancellation  
The invention relates to a far-end crosstalk canceling circuit for a digital subscriber line transmission system, the transmission system including a plurality of line termination modems receiving...
6987824 Method and system for clock/data recovery for self-clocked high speed interconnects  
A method and system is provided for clock/data recovery for self-clocked high speed interconnects. A data signal is received and then equalized. The equalized data signal then provides the trigger...
6987965 Programmable wireless electrode system for medical monitoring  
A wireless, programmable system for bio-potential signal acquisition (e.g., electrocardiogram (ECG) data) includes a base unit and a plurality of individual wireless, remotely programmable...
6985968 State machine architecture partitionable into control and data planes  
A system and method for optimizing state machine transitional performance in a high speed link (HSL) protocol stack at an application node disposed in a network. An input event decoder and a state...
6985519 Software modem for communicating data using separate channels for data and control codes  
A communications system includes a physical layer hardware unit and a processing unit. The physical layer hardware unit is adapted to receive user data over a first communications channel and...
6980588 Apparatus for handling high speed data communication signals and method for manufacture thereof  
An apparatus for handling high speed data communication signals in at least one input channel. Each communication signal is encoded in signal excursions in at least one predetermined format. The...
6977960 Self test circuit for evaluating a high-speed serial interface  
A data transceiver including a self-test data generator for generating test data, which includes a first pseudo-random number generator programmable so as to allow the operator to input the test...
6978149 Transceiver control with sleep mode operation  
A transceiver which keeps circuitry associated with a receiver in a powered down state during periods when a Received Signal Strength Indicator (RSSI) indicates that a signal being received is...
6971021 Non-wire contact device application for cryptographic module interfaces  
Non-contact interfaces to cryptographic modules include non-contact inputs, which may contain magnetic coupling, RF coupling, infrared coupling, optical coupling or acoustical coupling to load...
6970516 Programmable polarity for high speed differential interfaces  
A system generally having a first circuit, a second circuit, and a pair of non-crossing conductive paths. The first circuit may be configured to convert between (i) a serial signal on a first...
6970501 Method and apparatus for automatic selection and operation of a subscriber line spectrum class technology  
The present invention provides a communication device, such as a modem, that is capable of detecting whether it is capable of operating in a mode that is compatible with one or more of the Spectrum...
6970515 Line driver for asymmetric digital subscriber line system  
A line driver couples a data transceiver to a transmission line having a load impedance Z via a transformer with a turns ratio of 1:n, the data transceiver transmitting signals in a first frequency...
6970525 High-speed, high granularity baud clock generation  
A baud clock ( 15 ) for use by a serial communication interface ( 67 ) is generated by dividing a base clock of the serial communication interface by one of a plurality of possible composite...
6968218 Method and apparatus for electrically coupling digital devices  
Apparatus for electrically coupling a first digital device ( 408 ) and a second digital device ( 406 ) includes an interface circuit at the first digital device coupled at an interface node ( 230 )...
6968386 System for transferring data files between a user workstation and web server  
System for transferring a data file from a web server to a user workstation through a network and reciprocally, the user workstation including a hard disk ( 205 ) for storing the data file being...
6965610 System and method for providing compatibility between different transceivers in a multi-pair communication system  
A system and method are disclosed that provide for compatibility between different generations of transceivers, such as Gigabit Ethernet transceivers. According to the invention, a novel...
6965648 Source synchronous link integrity validation  
A system may perform interconnect BIST (IBIST) testing on source synchronous links. The system may perform, at normal operating frequency, a source synchronous link test that tests a victim line on...
6963627 Method and apparatus for interfacing to E1 or T1 networks  
An apparatus including a frame buffer memory; a set of frame synchronizers coupled to the frame buffer memory; and, a set of receivers coupled to the buffer memory and a corresponding frame...
6959398 Universal asynchronous boundary module  
An application specific integrated circuit (ASIC) employs various logic blocks. The blocks may include logic circuits that operate at different clock rates. Consequently, an interface logic block...
6954491 Methods and systems for sending side-channel data during data inactive period  
The present invention relates to a serial interface transmission system with more than one data line, in which the transmitted data has in-band and out-of-band characters. More particularly, the...
6954850 Electronic device that uses a pager network for remote reprogramming of the device  
A portable electronic device is disclosed that is reprogrammable through a pager network. The device includes a communications port. The device also includes a data transceiver for transmitting...
6948184 System and method for calibrating power level during initial ranging of a network client device  
A system and method for calibrating power level during initial ranging of a network client device, such as cable modem facilitates communications between a network client device and a network...
6944760 Method and apparatus for protecting identities of mobile devices on a wireless network  
A method and apparatus for protecting the identities of mobile devices on a wireless network are described. A proxy gateway couples the wireless network to a wired network and maintains data...
6944213 Adaptive hybrid for a digital subscriber line analog front end  
An analog front end for communicating discrete multitone modulated signals on a subscriber line includes a hybrid network for eliminating near-end echos. The hybrid network includes a hybrid input,...
6912208 Method and apparatus for equalization and crosstalk mitigation  
A method and apparatus for noise cancellation in a multi-channel communication system is disclosed. In one embodiment this system is configured to cancel FEXT on a victim channel utilizing the...
6912252 Distributed communicating system, distributed communication data, distributed transmitting means and distributed receiving means  
Data is transmitted certainly even if some trouble happens on one of the communicating lines and masking effect of the information is enhanced. In the case that data including A, B and C stored in...
6904082 DSL rate adaptation  
A method for enhancing the bit rate and/or margin at which quadrature amplitude modulation (QAM) communication is performed includes the steps of varying a spectral allocation and constellation...
6898210 System and method for providing a local area network utilizing remote transceivers  
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...
6895310 Vehicle related wireless scientific instrumentation telematics  
An in-vehicle device data communicates with data processing resources, including global network based data processing resources for the purpose of programming and receiving data from an in-vehicle...
6895518 Power and frequency adjustable UART device  
The present invention embodiment comprises an arrangement of integrated circuits with a UART device that is configurable to operate in a power-reduced mode while the clock frequency of serial data...
6891887 Multi-carrier LAN adapter device using interpolative equalizer  
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...
6888882 Reducing collisions in a radio communications system  
A method and apparatus are provided that allows a predetermined training sequence to be selected from among different choices. According to one aspect of the present invention, the invention...
Matches 151 - 200 out of 541 < 1 2 3 4 5 6 7 8 9 10 11 >