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6173010 |
Method for initializing apparatus for transferring asymmetrical data
A method is provided for initializing an apparatus for transferring asymmetrical data, in which initializing time is reduced using a previously stored result. The method includes the steps of (a)...
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6169762 |
Interface devices providing electrical isolation
Embodiments of the present invention are directed to interface devices that provide an interface between a first device and a second device, where the interface device provides electrical isolation...
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6167077 |
Using multiple high speed serial lines to transmit high data rates while compensating for overall skew
A transceiver pair is connected by a plurality of high speed serial lines that are tightly integrated into an enhanced communications system. The communications system includes a base transceiver,...
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6151355 |
Wireless modem
A modem unit, typically a wireless modem unit, has a bidirectional digital data port, a modem, a transceiver, and a microcontroller programmed to control the unit according to a control program....
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6137849 |
System and method for communicating data over a high-speed bus
The present invention is generally directed to a method and apparatus for transferring data from an integrated circuit that is capable of bidirectional data communication. In accordance with one...
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6128335 |
Software rate adaptable modem with forward compatible and expandable functionality and method of operation
A high speed software modem is described which uses a selectable, desirable portion of the total available bandwidth of a transmission channel. In a preferred embodiment, the invention is...
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6125139 |
Narrowband digital cordless telephone
A digital cordless telecommunications unit that serves for communications when paired with a similar unit and connected with a network is disclosed. The unit receives analog receive voice signals...
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6118834 |
Rate adaptation in a non-uniform non-transparent data channel
Rate adaptation method and equipment in a telecommunication system for data transmission employ a frame-structured data transmission protocol between the telecommunication equipment of the...
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6115414 |
System for setting up a wireless connection for exchanging information with another system, which system is provided with a transceiver device for transmitting and receiving information in a wireless manner, and also modulator/demodulator device
A known system having a transceiver device (such as a radiotelephone or walkie-talkie) for the transmission and reception of speech information via a speech channel in a wireless manner is only...
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6112084 |
Cellular simultaneous voice and data including digital simultaneous voice and data (DSVD) interwork
A system and method of simultaneously conducting a data transfer and a voice call between a mobile station and a radio telecommunications network having a mobile switching center (MSC) which serves...
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6112260 |
Method and apparatus for redirecting input/output device data in a computer system through use of debug registers
A computer system implements a standard modem without the use of a microcontroller. Instead, a digital signal processor is provided on an expansion card, but with direct links to the computer...
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6107912 |
Wireless modem jack
A wireless power line carrier data communication device is provided. The device is specifically adapted to meet the requirements of high-speed modem data transmission, such as is typically required...
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6108562 |
Travel converter for a mobile telephone
A method and apparatus for effectuating communication between a mobile telephone and at least one communication network not supported by the mobile telephone. A converter interfaces to a mobile...
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6091739 |
High speed databus utilizing point to multi-point interconnect non-contact coupler technology achieving a multi-point to multi-point interconnect
A high-speed data bus utilizes non-contact coupler technology which allows point to multi-point broadcasting of a data signal to multiple sinks at very high (Gb/s) speeds. These...
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6088362 |
Key telephone system without common control
A multi-line key telephone system not having a key service unit includes three analog telephone lines to which up to eight, three-line telephones may be connected to provide enhanced service...
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6084906 |
ADSL transceiver implemented with associated bit and energy loading integrated circuit
An ADSL transceiver includes a new circuit and various iterative initialization and fine tuning routines for optimizing the bit and energy configurations of data sub-channels in a multi-channel...
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6081527 |
Asynchronous transfer scheme using multiple channels
A data transfer device for transferring packets of data across an asynchronous boundary separating a first time domain from a second time domain, and, a method for transferring the packets of data...
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6078613 |
System and method for bridging multiple communication devices to a single communication connection
A transceiver capable of transmitting and receiving current-driven communication signals is implemented within a communication system, for example a subscriber loop associated with the...
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6078967 |
System for upgrading functionality of a peripheral device utilizing a removable ROM having relocatable object code
An apparatus is disclosed for extending functionality to a peripheral. The apparatus included a peripheral device having a processor, a dedicated storage device containing an enabling algorithm...
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6075830 |
Method and apparatus for adapting an asynchronous bus to a synchronous circuit
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6067289 |
Process for transmitting data in a communication net
For transmitting GSM data in a communication network (PSTN), a predefined frame format (TRAU) is preserved in the communication network (PSTN) for mobile stations (TL1, TL2). This predefined frame...
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6067316 |
Circuit for combined xDSL and other services
A system and method for a communication to communicate both POTS and XDSL are provided. In accordance with one aspect of the invention, in improved central office line card circuit is provided,...
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6061826 |
Hardware-optimized reed-solomon decoder for large data blocks
An error computation processor for use in a Reed Solomon decoder for computing the error locations and magnitudes of a large data block having a maximum of t errors over a desired Galois field. The...
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RE36673 |
Viceband data set
A full duplex, synchronous data set (10) includes primary signal processing circuitry which generates a modulated transmit data signal in response to serial data from a terminal interface (17). The...
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6052409 |
Device and method for generating and detecting tones in a digital data communications device
In a digital communication device adapted to be coupled to a digital network and having an analog port adapted for interconnecting an analog device to the digital communication device, a device for...
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6049566 |
High efficiency signaling with minimum spacecraft hardware
A method is disclosed for efficiently transmitting large numbers of data channels through a satellite (24). The method uses a block encoder (28) that encodes the data channels with a block code to...
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6047021 |
Methods and apparatus for exchanging data
The present invention is a communication unit for exchanging data. More specifically, the unit includes an initiator and a responder that exchange data with a single time base. In one embodiment,...
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6031868 |
Asymmetric digital subscriber loop transceivers
An asymmetrical modem system wherein a modem at a first location transmits information to a modem at a second location on a downstream signal and the modem at the second location transmits...
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6031583 |
High frequency video isolation system
A high frequency video isolation circuit comprising: a modulating signal source for producing a modulating signal having a frequency of several hundred megahertz; an input multiplier for...
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6028850 |
Wireless transceiver and frequency plan
The present invention provides for an improved transceiver architecture using fewer frequency synthesizers. The number of frequency synthesizers is reduced by utilizing an existing frequency source...
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6021158 |
Hybrid wireless wire-line network integration and management
A modem that operates selectively in the voice-band frequency band and at higher frequency bands is provided. This modem supports multiple line codes, like DMT and CAP. The modem uses a Digital...
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6014410 |
Transmission-reception system which transmits and receives data via signal transmission line
A transmitter in a semiconductor device of transmission side charges a signal transmission line to a reference potential via a resistor, and outputs pulse signal according to data to one end of the...
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6006073 |
Apparatus and method for improvement of transmission quality in a point-to-multipoint radio transmission system
The radio transmission system includes at least one base station (BS1,BS2) and several participant stations (T111, . . . ,T222), in which the radio transmission range (Z1,Z2) belonging to each base...
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5991335 |
Method and system for line isolation
A method and apparatus for transceiving data across an isolation boundary in a communication network between a user device on a user side of the isolation boundary and a line-side associated with a...
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5987060 |
System and method of radio communications with an up-down digital signal link
The invention provides radio communications with an up-down signal link. In accordance with the purpose of the invention, as embodied and broadly described herein, the invention is directed to a...
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5970087 |
Transmission device
A transmission device includes: a first transmission unit that transmits data between the transmission device and an information processing device; a second transmission unit that receives data...
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5970096 |
Synchronous serial transfer apparatus and synchronous serial transfer method
In a synchronous serial transfer apparatus, the number of lines which are necessary for a serial transfer is reduced, and even when a master/slave operation is to be performed, a serial transfer is...
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5953371 |
Multipoint to point radiocommunications network
A data collection system in which a number of remote terminals (RT) transmit data packets for reception by one or more fixed data collectors (FDC) or a portable data collector (PDC). Each remote...
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5946303 |
Automatic configuration of a remote communication interface via the alarm indication signal
A method for communicating configuration information between two interface devices connected to a communication link in a system in which each device is capable of generating and recognizing an...
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5926509 |
Twisted pair communicatons line system
A transmission system for transmitting analog color video signals wherein a cable comprising multiple twisted pairs is employed, and certain of these pairs are coupled to carry selected color...
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5922062 |
Combined IDE and SCSI disk controller interface for common hardware reference platforms
A universal disk controller for microprocessor systems is capable of use as a PCI interface with either SCSI drives or IDE drives. To effect selection of the appropriate one of the IDE or SCSI...
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5923705 |
UART based autobauding without data loss
The cellular telephone includes a universal asynchronous receive and transmit (UART) chip for receiving data in a serial format from an external source, such as a laptop computer, and for...
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5920592 |
Data transmitter-receiver
A data transmitter-receiver for reducing high-frequency noise which leads to a cause of performance deterioration of a radio instrument, and for eliminating dissipation current. The data...
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5912921 |
Concurrent multiple data rate communications in a wireless local area network
A wireless local area network (WLAN) provides optimal data throughput by operating at multiple data rates simultaneously. The WLAN includes a network master communicating with a plurality of remote...
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5910965 |
Adaptive predistortion using over-the-hop feedback
A method and system for predistorting a signal before transmission of the signal to compensate for nonlinearities introduced when the signal is transmitted to a receiver. A signal received on a...
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5909463 |
Single-chip software configurable transceiver for asymmetric communication system
A transceiver (5) for an asymmetric communication system such as asymmetric digital subscriber line (ADSL) includes a configuration register (71) defining operation at either a central office (CO)...
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5909464 |
Serial communications interface that supports multiple interface standards
An interface for connecting data-terminal-equipment (DTE) to a range of data-communication-equipment (DCE) using a multiplicity of interface standards is provided. The interface includes a DTE...
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5903601 |
Power reduction for UART applications in standby mode
A power reduction system for a UART system having a controllable oscillator for producing free-running clock signals. A controlled clock synchronizer having an output terminal is coupled to the...
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5903621 |
Integrated communication system
A transmission and receiving system, includes a transmit interface unit, a transmit signal processing unit, a transmit signal converting unit and a microwave transmitting unit all a first location....
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5903607 |
Method and device for encoding and transmitting bidirectional data from a master circuit to a slave circuit
A method and device for encoding and transmitting a clock signal, a supply voltage and bidirectional digital data from a master circuit to a slave circuit, including the steps of: holding a first...
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