Did You Know...
...In 1790, the cost to obtain a patent was between $4 and $5.
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 8040921 | Method and apparatus for controlling the transfer of private information in a communication system Methods and systems for selectively transferring confidential or private information to a user of a communication device are disclosed. In an exemplary method, a trigger event is detected at a first communication device, resulting in the retrieval of a data object f... | 10/18/2011 |
| 7636374 | Hardware apparatus for conditioning pilot symbols for channel estimation using adaptive low-pass filtering A hardware apparatus (10) for conditioning pilot symbols for channel estimation in a mobile radio comprises a time-division multiplexed low-pass filter unit for filtering the received pilot symbols. The time-division multiplexed low-pass filter unit comprises... | 12/22/2009 |
| 7450615 | Apparatus and method for automatically bypassing a load coil in a digital subscriber line circuit An apparatus and method are provided for bypassing a load coil in a Digital Subscriber Line (DSL) circuit. An interface is provided for making a connection with the DSL circuit and receiving a combined multichannel signal. The combined multichannel signal includes a... | 11/11/2008 |
| 7426242 | Orthogonal frequency digital multiplexing correlation canceller A correlation canceller modulates a communication signal over a plurality of channels and an epoch aperture by a plurality of interference response signals corresponding to linear response by one or more filtering effects to generate an inversely correlated communic... | 09/16/2008 |
| 7415086 | Multi-channel communication system for multiple input, multiple output processing of an encoded signal A method and apparatus is disclosed for processing two or more encoded signals received over a multi-channel communication system to cancel or mitigate coupling and the effects of the channel on the two or more encoded signals. In one embodiment a multi-channel comm... | 08/19/2008 |
| 7400651 | Device and method for interpolating frequency components of signal A frequency interpolation apparatus is provided which reproduces a signal similar to an original signal by approximately recovering suppressed frequency components, from an input signal having the suppressed frequency components in a specific frequency band of the o... | 07/15/2008 |
| 7376154 | Non-intrusive method for routing policy discovery Discovering routing policies in information networks. Large networks such as Autonomous Systems are abstracted as a single network element. A plurality of taps on the borders of the abstracted element filter ingress/egress data which is forwarded for collection and ... | 05/20/2008 |
| 7373123 | Multiple tuners in a single radio receiver A radio receiver having multiple AM/FM tuners. A first tuner and a second tuner may be connected with an antenna for generating a first and second composite audio output signal. A dual input digital signal processor may be connected with the first tuner and the seco... | 05/13/2008 |
| 7370247 | Dynamic offset compensation based on false transitions A method and apparatus provide a receiver with an architecture to regulate a bit error rate of the receiver using an offset based on detecting false transitions in received data. In an embodiment, such false transitions in data may be determined in a bang-bang detec... | 05/06/2008 |
| 7369487 | Clustered OFDM with channel estimation An improved OFDM receiver is realized by employing a simplified delay function for the transmissions channel. The simplified delay function yields a simplified frequency-domain correlation that is applied to develop an Eigen matrix U that is used in developing estim... | 05/06/2008 |
| 7356586 | Filtering system and method for voice protocol network analysis A system, method and computer program product are provided for filtering various voice protocols. A plurality of voice protocols is initially displayed. Next, an indication is received from a user as to the selection of the voice protocols. It is further determined ... | 04/08/2008 |
| 7352776 | Line terminator unit for a subscriber line The invention relates to a line terminating device for a subscriber line which transmits and receives broadband signals via a single subscriber line, a broadband signal being composed of a broadband or narrowband audio-frequency data signal and a broadband higher-fr... | 04/01/2008 |
| 7340744 | System and method for optimizing sessions and network resources in a loadbalancing environment A method for loadbalancing in a network environment is provided that includes receiving a create request from an end user for a communications link provided by a network node and communicating a response to the end user in order to establish a communication session.... | 03/04/2008 |
| 7324498 | Apparatus and method for reordering traffic flow templates in a mobile communication system An apparatus and method for reordering traffic flow templates (TFTs) in a mobile communication system. The apparatus and method include a primary GPRS tunneling protocol (GTP) tunnel for transmitting and receiving packet data to and from a mobile station and one or ... | 01/29/2008 |
| 7315279 | Antenna system for producing variable-size beams An antenna system has multiple antenna feed elements combined in a number of element sets independently controlled to provide a beam of a variable size. Multiple input power dividers are provided for dividing an input signal, and multiple phase controllers are respe... | 01/01/2008 |
| 7313168 | Method and apparatus for receiving a CDMA signal A hybrid receiver, and an associated method, for receiving a radio signal carrying transmitted data that is subject to distortion in the transmission channel. The receiver includes a plurality of stages that perform parallel interference cancellation (PIC) to establ... | 12/25/2007 |
| 7289538 | Clock reconstruction for time division multiplexed traffic transported over asynchronous ethernet networks A clock reconstruction mechanism for synchronous TDM communications traffic transported over asynchronous networks such as Ethernet networks. The invention is applicable to edge switches in Metropolitan Area Networks (MANs) that transport legacy TDM traffic using a ... | 10/30/2007 |
| 7284053 | System and method for loadbalancing in a network environment A method for loadbalancing in a network environment is provided that includes receiving a primary create request from an end user for a communications link provided by a network node and communicating a response to the end user in order to establish a communication ... | 10/16/2007 |
| 7282963 | Wide-band circuit coupled through a transmission line To provide a broadband circuit from which a desired circuit characteristic is stably obtained over a wide frequency band with a small number of circuit devices and which can be easily designed. In the case of the broadband circuit to which a circuit device is connec... | 10/16/2007 |
| 7280469 | Efficient implementation of large size FFT A system and method of implementing a Fast Fourier Transform (FFT) function in a high data rate communication network. The communication network, employing technology such as VDSL and DMT or FDM, frequently implements a FFT at a transmitter to transfer frequency dom... | 10/09/2007 |
| 7280523 | Signal processing apparatus and method, and communication system utilizing same A communication system, a method of and an apparatus for communicating messages. N messages are transmitted from an originating station to a relaying station in a signal with frequencies within a bandwidth B, with each of the N messages having frequencies within a u... | 10/09/2007 |
| 7280601 | Method for operating multiple overlapping wireless networks A method is provided for sending ultrawide bandwidth signals from first and second wireless networks across an available wireless bandwidth. This method can provide a gap in the available bandwidth to reduce interference with other devices that might use the frequen... | 10/09/2007 |
| 7256735 | Satellite amplifier system A satellite amplifier system 100 adapted to amplify and distribute flexibly P input transmission channels to N outputs each corresponding to one beam includes a switch 102 having at least P inputs for routing the plurality P of transmission channels to... | 08/14/2007 |
| 7245651 | Dual mode filter for mobile telecommunications A dual mode filter for mobile communication may implement two disparate cellular systems such as GSM and W-CDMA. The same transceiver may be utilized to selectively receive and transmit in either of the two systems. When the system is in a GSM area, the system sends... | 07/17/2007 |
| 7239615 | Multiple wireless communication protocol methods and apparatuses A wireless device is provided with a first wireless transceiver and a second wireless transceiver operative in a coordinated manner and coupled to at least one controller manager. The first wireless transceiver transmits and receives signals in accordance with a fir... | 07/03/2007 |
| 7151423 | Demultiplexer and multiplexer A demultiplexer receives a multiplexed signal, in which a plurality of electrical signals with mutually different frequencies are multiplexed together, and divides the multiplexed signal into the electrical signals. The demultiplexer includes at least one line for p... | 12/19/2006 |
| 7142559 | Packet converting apparatus and method therefor A packet converting apparatus and method is disclosed, in which audio packet data of various types used in cable/radio networks can effectively be converted. The packet converting apparatus includes a bit unpacking unit for bit unpacking first type packet data, a pa... | 11/28/2006 |
| 7130658 | Shared circuitry for WLAN receiver functional units A WLAN (Wireless Local Area Network) receiver having a synchronization unit is provided. The synchronization unit comprises a first functional unit for performing a first signal processing function, a second functional unit for performing a second signal processing ... | 10/31/2006 |
| 7130355 | Amelioration in inter-carrier interference in OFDM In an environment where the transmission medium leading to the receiver is time-variant within a block of received signals, and where transmission medium has an finite impulse response extending over a number of symbols intervals, a receiver that includes a filter t... | 10/31/2006 |
| 7120584 | Method and system for real time audio synthesis A method and system for synthesizing audio speech is provided. A synthesis engine receives from a host, compressed and normalized speech units and prosodic information. The synthesis engine decompresses data and synthesizes audio signals. The synthesis engine can be... | 10/10/2006 |
| 7102699 | Radio frequency distribution network system A consumer electronic device includes circuitry configured to produce a signal corresponding to a selected one of first, second and third radio frequency channel. The circuitry includes a modulator configured to modulate the video signal such that it falls within a ... | 09/05/2006 |
| 7054281 | Multi-channel tuner using a discrete cosine transform A satellite receiver includes a multi-channel tuner for processing a plurality of different transponder signals to simultaneously provide a plurality of different bit streams from at least two of the transponder signals. The multi-channel tuner includes (a) a demult... | 05/30/2006 |
| 7039065 | Telecommunications rack including shelves with nonredundant backplanes used redundantly A telecommunications rack has one or more shelves connected to a narrowband network and to a broadband network for serving a plurality of subscribers. Line termination and network termination equipment are interconnected by a bus internal to the shelf for providing ... | 05/02/2006 |
| 7031265 | Method and apparatus for performing packet detection processing A method and apparatus for performing packet processing is described. A signal having a preamble sequence is received. A detection parameter estimate is derived from the preamble sequence. The detection parameter estimate is evaluated to process at least one packet ... | 04/18/2006 |
| 7012949 | OFDM guard band communication apparatus and method A transmitting apparatus and method may inverse Fourier transform transmit data converted to parallel form to obtain a first signal. The band of a second signal is limited to a guard frequency band adjacent to the band of the first signal, and a signal comprising th... | 03/14/2006 |
| 7002940 | Multiple-stage filtering device and method A filter is provided that is formed of multiple filter stages arranged in series. Each of these filter stages has an input tap at its input that can be selectively connected to a filter input signal, and an output tap at its and output that can be selectively connec... | 02/21/2006 |
| 6996130 | Distributed control system and filtering method used in the distributed control system In a distributed control system in which a plurality of nodes are connected to a transmission line, each node controlling components connected to this node and transmitting a message to other nodes, a message sent by each node includes at least two message-sending c... | 02/07/2006 |
| 6990060 | Polyphase-discrete fourier transform (DFT) sub-band definition filtering architecture A system and method for demultiplexing an RF signal including nested frequency division multiplexed (FDM) channels is disclosed. The system can demultiplex an RF signal including at least two nested sets of FDM channels extending over a bandwidth B. ... | 01/24/2006 |
| 6965616 | Network data transmission synchronization system and method A number of features for enhancing the performance of a cable transmission system in which data is transmitted between a cable modem termination system at a headend and a plurality of cable modems located different distances from the headend. The power transmission ... | 11/15/2005 |
| 6961395 | Time variant filter implementation The present invention relates to the efficient realization of a time variant multi-rate FIR filter cascaded with a time invariant FIR filter. Preferably, the time invariant FIR filter response provides filtering based on channel estimates and the time variant FIR fi... | 11/01/2005 |
