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Class 380/266 - Including a modem


Subclass of Class 380 - Cryptography
Definition: Subject matter including a device converting a digital signal
No. of patents: 97
Last issue date: 09/09/2008


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NumberTitleIssue Date
7424116Method and apparatus for providing authentication in a communication system
A method includes receiving an authentication request from a mobile station (401) and determining whether to forward the request to an authentication agent. When it is determined to forward the request, the request is forwarded to the authentication agent (
09/09/2008
7418598Architecture of an encryption circuit implementing various types of encryption algorithms simultaneously without a loss of performance
An encryption circuit for simultaneously processing various encryption algorithms, the circuit being capable of being coupled with a host system hosted by a computing machine. The circuit comprises an input/output module responsible for the data exchanges between th...
08/26/2008
7369516Adaptive echo canceling
A method for transmitting data signals in full duplex with echo cancellation between a first and a second modem connected by a two-wire channel, wherein a data signal is a function of at least one data symbol in a stream of data symbols generated by a modem comprisi...
05/06/2008
7325250Method and apparatus for preventing radio communication system access by an unauthorized modem
A method and apparatus for preventing radio communication system access by an unauthorized modem. The apparatus comprises a signal detector that determines if an authorization signal has been received from the base station within a specified period of time. The auth...
01/29/2008
7321857Systems and methods for TV navigation with compressed voice-activated commands
A method, apparatus and system that receives speech commands at a remote control device microphone, digitizes those input speech commands, compresses the digitized speech commands, multiplexes control commands with the compressed digitized speech commands, and trans...
01/22/2008
7319717Device and method for enabling communications signals using a medium voltage power line
In one embodiment, a device for enabling communications signals over a medium voltage power line includes a first modem, a second modem, a third modem, and one or more switches. The first modem is electrically coupled to a medium voltage power line and is adapted to...
01/15/2008
7318141Methods and systems to control virtual machines
Methods and systems are provided to control the execution of a virtual machine (VM). A VM Monitor (VMM) accesses VM Control Structures (VMCS) indirectly through access instructions passed to a processor. In one embodiment, the access instructions include VMCS compon...
01/08/2008
7308103Power line communication device and method of using the same
The repeater of the present invention communicates data signals over power lines. The repeater of one embodiment includes at least one modem that receives a data packet and attempts to decrypt the data packet with a first and/or second encryption key. If the packet ...
12/11/2007
7301440Power line communication system and method
The present invention provides a device for providing communications through power lines comprised of multiple conductors by transmitting the data signals through a plurality of the conductors. One embodiment of the present invention may be comprised of a transmit c...
11/27/2007
7302020Encoded multi-access bus system and method
A bus system includes multiple devices and a bus. The bus is connected to each device. Each device may include a type of input/output (I/O) device, such as a random access memory (RAM) or a microprocessor. The bus transfers data between devices. Data of each device ...
11/27/2007
7301658Device transmission tracking
An object is optically scanned to form a corresponding message data in storage. The message data is transmitted over an interconnecting network to an address of an addressed recipient. After receiving an acknowledgement of receipt of the message data from the addres...
11/27/2007
7251151Non-volatile memory comprising means for distorting the output of memory cells
The present invention relates to a non-volatile memory comprising a memory array comprising functional memory cells and non-functional memory cells linked to at least one non-functional word line. A word line address decoder comprises a special decoding section link...
07/31/2007
7243072Providing assistance to a subscriber device over a network
A method (300, 400) of and server (200) for providing assistance with control of a subscriber device is described. The method comprises receiving an instruction message (303) via a network that corresponds to spoken instructions from the subscri...
07/10/2007
7231045Secure transaction modem storing unique indicia
A modem and secure communications method for the modem is disclosed in which the modem is capable of storing identifying indicia unique to the modem. The identifying indicia may include graphics data such as an image of a credit card, a signature, and/or an account ...
06/12/2007
7222242Interface for facilitating facsimile transmissions via wireless communications networks
An interface for facilitating facsimile transmission via a wireless communications device operatively connected to a wireless communications network, including: a modem suitable for being communicatively coupled to a facsimile machine; a controller coupled to the mo...
05/22/2007
7206933Software modem with privileged mode driver authentication
A computer system includes a peripheral device and a processing unit. The processing unit is adapted to execute a driver for interfacing with the peripheral device in a standard mode of operation and an authentication agent in a privileged mode of operation, wherein...
04/17/2007
7197768Software modem for communicating data using encrypted data and unencrypted control codes
A communications system includes a physical layer hardware unit and a processing unit. The physical layer hardware unit is adapted to communicate data over a communications channel. The physical layer hardware unit is adapted to receive unencrypted control codes and...
03/27/2007
7187276Power line communication system and method of using the same
The fiber optic isolator of the present invention transports data signals between high voltage power lines and a communications interface device, bypassing a step down transformer to low voltage power. The communication interface device includes a low voltage power ...
03/06/2007
7185197Method and apparatus to facilitate secure network communications with a voice responsive network interface device
A system for facilitating secure network communications includes a security computer system and corresponding software. The security system is utilized in conjunction with a voice browser residing on a server system. A user accesses the network by placing a call to ...
02/27/2007
7184428Facility management platform for a hybrid coaxial/twisted pair local loop network service architecture
The present invention provides a facility management platform to monitor and view the status of a plurality of individually addressable downstream devices including, but not limited to, addressable terminals, IRG's, settops, cable modems, taps, nodes, and/or hubs at...
02/27/2007
7162634Method for providing security on a powerline-modem network
A method for creating a secure powerline modem network transmits a private key (y) individually to each of the plurality of powerline modem devices (22) to be secured in a network such that each powerline modem device receives the private key in isolation of ...
01/09/2007
7136270Surge protector including data pass-through
A surge suppressor includes a high-pass filter configured to pass signals in the range suitable for use in a powerline network. ...
11/14/2006
7126983Methods and apparatus for communicating commands and data using logical channels
A communication system for a computer includes apparatuses and methods for providing commands and data between a host computer and a multi-channel modem via a single host-to-modem physical channel using multiple logical channels. The communication system suitably in...
10/24/2006
7123719Method and apparatus for providing authentication in a communication system
A method includes receiving an authentication request from a mobile station (401) and determining whether to forward the request to an authentication agent. When it is determined to forward the request, the request is forwarded to the authentication agent (
10/17/2006
7120249Methods and systems for generating encryption keys using random bit generators
A security key, such as an encryption key, is generated so as to make it more difficult for eavesdroppers to identify the key. Specifically, a cryptographically secure random number generator generates a random bit sequence that is included in a seed. This random se...
10/10/2006
7117042Semiconductor device and method for controlling the same
A semiconductor device, which is controlled based on a control signal corresponding to control data includes: a control register in which the control data is set; a sequencer which performs read control of a first control command on a nonvolatile memory in which the...
10/03/2006
7106845Dynamic security system and method, such as for use in a telecommunications system
Rather than employing simple static personal identification numbers (PINs) that are susceptible to hacking, the disclosed security system provides multiple levels of security that may be selected by a user, based on his or her particular level of sensitivity at any ...
09/12/2006
7096353Software modem with privileged mode decryption of control codes
A communications system includes a physical layer hardware unit and a processing unit. The physical layer hardware unit is adapted to communicate data over a communications channel in accordance with assigned transmission parameters and receive an incoming signal ov...
08/22/2006
7089345Method and apparatus for dual porting a single port serial ATA disk drive
A method and an apparatus for providing multiple ports to a single port device are provided. According to the present invention, single port devices that are incapable of communicating across a shared communication bus, and therefore require a point to point communi...
08/08/2006
7075414Device and method for communicating data signals through multiple power line conductors
The present invention provides a device for providing communications through power lines comprised of multiple conductors by transmitting the data signals through a plurality of the conductors. One embodiment of the present invention may be comprised of a transmit c...
07/11/2006
7061985Universal modulator/demodulator
A modulation/demodulation device capable of operating with several types of modulation using different carrier frequencies may include a modulator which modulates at least one signal by a signal of a predetermined duration and representative of a binary information ...
06/13/2006
7046635System for authorizing functionality in adaptable hardware devices
A system for authorizing new or ongoing functional use of an adaptable device. The device generates usage information including the times that the device is used, types of functionality provided, indication of amount and type of resources used, and other information...
05/16/2006
7000106Methods and apparatus for kernel mode encryption of computer telephony
Disclosed is a computer-readable medium containing program instructions for configuring a first computer so that a first telephony client on the first computer may securely communicate with a second telephony client on a second computer via a communication path. The...
02/14/2006
6993417System for energy sensing analysis and feedback
A system is described where the existing proliferation of standard electrical junction boxes in a typical home or building implement a form of “Bio-Feedback for Home Energy”, increasing user awareness and enabling more effective and efficient energy usage. Energ...
01/31/2006
6993610Data storage system having two disk drive controllers each having transmit and receive path connected in common to single port of disk drive via buffer or multiplexer
A data storage apparatus arranged to provide redundancy in a storage enclosure containing multiple Serial ATA disk drives is disclosed. The apparatus comprises at least one disk drive of a kind having a single port for the input and output of serial data and at leas...
01/31/2006
6980091Power line communication system and method of operating the same
The present invention provides a system for operating a power line communications system that is comprised of a plurality of network elements, which may take the form of repeaters, bypass devices, backhaul devices, wireless backhaul devices, enhanced bypass device, ...
12/27/2005
6976074Systems and methods for negotiating transactions between nodes
Distributed computing systems having mechanisms for efficiently coordinating transactions between nodes in the system are provided. One or more nodes may negotiate maximum time periods in which to communicate with each other or a transaction coordinator. A node is d...
12/13/2005
6973124Method and apparatus for signal transmission and reception
A method for communicating serial input data over a transmission link. Serial input data is partitioned into parallel data elements and is coded prior to rotation by an invertible linear mapping. Resulting frames of parallel sign elements are transmitted over the li...
12/06/2005
6965303Power line communication system and method
A method of communicatively coupling power line communication (PLC) devices to a first and second overhead power line conductor that travel in a substantially parallel physical arrangement and in spaced-apart relation is provided. The method may comprise coupling a ...
11/15/2005
6965610System 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 transceiver is provided that includes a physical layer entity (PHY) comprising ...
11/15/2005
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