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...Daniel Webster invented a "bull plow" to pull out tree stumps. It didn't catch on because it was huge and required four oxen to pull it!
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| Number | Title | Issue Date |
| 7280590 | Receiver termination network and application thereof A receiver termination network is included in a high-speed receiver that also includes a receiver analog front-end and a data recovery module. The receiver termination network includes a DC matched termination circuit and an AC coupled bias circuit. The DC matched t... | 10/09/2007 |
| 7277478 | Method for transmitting data between a base station and a transponder In known methods for the transmission of data, the data transmission rate is reduced by bit errors especially at high carrier frequencies. In the new method, the data transmission rate can be significantly increased due to the increased reliability in the data trans... | 10/02/2007 |
| 7277492 | Transmission apparatus, transmission control method, reception apparatus, and reception control method Radio resources are saved. The base station 101 determines a possibility of transmitting data to the terminal 102, and transmits the indicator indicating the possibility of transmitting the data to the terminal 102. The terminal 102 gener... | 10/02/2007 |
| 7274732 | Echo cancellation in communication systems with asymmetric data rates A communication device (e.g., a modem) is disclosed as including logic that processes a transmit signal before providing a signal to an echo canceler. The processing may include low pass filtering and decimation of the transmit signal. The low pass filter's cut-off ... | 09/25/2007 |
| 7274752 | Maximum ratio transmission An arrangement where a transmitter has a plurality of transmitting antennas that concurrently transmit the same symbol, and where the signal delivered to each transmitting antenna is weighted by a factor that is related to the channel transmission coefficients found... | 09/25/2007 |
| 7274874 | Idle-pattern output control circuit used in a Gigabit Ethernet-passive optical network An idle pattern output-control circuit used in a point-to-multipoint communication based Gigabit Ethernet-passive optical network (GE-PON) is provided. In a GE-PON having an optical-line terminal (OLT), a plurality of optical-network units (ONUs) connected to each o... | 09/25/2007 |
| 7274730 | QoS control method for transmission data for radio transmitter and radio receiver using the method A radio transmitter/receiver having a QoS control unit for outputting the transmission data in order taking the quality of service (QoS) into consideration. In the case where the information transmission rate for a radio section is not lower than a threshold value, ... | 09/25/2007 |
| 7274326 | System for digital multi-bandwidth intermediate frequency processing and tracking Signal processing systems for radar installations are provided for simultaneous processing of one or more IF signals of dynamically varying frequency and bandwidth with a single analog signal path. The signal processing system includes, but is not limited to, a conv... | 09/25/2007 |
| 7274736 | Multiple path equalization for multicarrier systems A dual path equalization structure is used to equalize DMT systems operating over channels in which different impairments dominate the performance of different parts of the channel. Two TEQ/DFT structures are used to process the received signal, each optimized for a... | 09/25/2007 |
| 7274731 | Non-chronological system statistics A communications device apparatus and method is detailed that allows for improved system statistics gathering of network communication links, dataports, and system status. The improved communications device apparatus and method utilizes a relative time reference or ... | 09/25/2007 |
| 7272171 | Variable state length initialization Through the use of a variable state length initialization, both the transmitter and the receiver can have control of the length of one or more initialization states. For example, a transmitter can send information, such as a message, to the receiver at the commencem... | 09/18/2007 |
| 7272173 | Activation of multiple xDSL modems with implicit channel probe A communication apparatus and method utilizing a Digital Subscriber Line (xDSL) modem that is selectively connected to a central communication apparatus to perform a full duplex communication. A communicator transmits a plurality of Mode Request (MR) signals to the ... | 09/18/2007 |
| 7272172 | System and method for selectable mask for LDSL The present invention overcomes various problems by defining two upstream masks (U1, U2) and two downstream masks (D1, D2) and using a mask selectable system for the long reach digital subscriber line (LDSL), in which a unique modem featu... | 09/18/2007 |
| 7272174 | Upstream data transmission A process transmits digital data to an A/D converter via an analog channel. The process includes generating a sequence of output signals by precoding a sequence of input signal points to precompensate for ISI in the analog channel. In the precoding is matched to the... | 09/18/2007 |
| 7271765 | Applications processor including a database system, for use in a wireless location system An Applications Processor (14) including a centralized database system is used in a wireless location system (WLS). The APs 14 may be used to manage resources in the WLS, including signal collection systems (SCSs 10) and TDOA location processors... | 09/18/2007 |
| 7272170 | Single oscillator transceiver A frequency plan is provided for particular use in a transceiver. Advantageously, a single oscillator may be used to generate desired frequency signal. One or more power splitters receive the signal and equally divide the signal into first and second signals having ... | 09/18/2007 |
| 7272108 | Channel estimation in orthogonal frequency-division multiplexing (OFDM) systems A system and method for estimating channel characteristics in orthogonal frequency-division multiplexing (OFDM) systems with transmitter diversity is presented. The disclosed approach is compatible with the Institute of Electrical and Electronics Engineers (IEEE) â€... | 09/18/2007 |
| 7272114 | Physical layer and physical layer diagnostic system with reversed loopback test A physical layer and a physical layer diagnostic system allow the physical layer of a network device to be tested without requiring the physical layer to be connected to a medium access controller. The physical layer includes a medium-side interface. A plurality of ... | 09/18/2007 |
| 7272359 | Communicating signals according to a quality indicator using multiple antenna elements One or more quality indicators are established at a first communication device having antenna elements. The quality indicators indicate a quality of one or more communication links between the first communication device and one or more second communication devices. ... | 09/18/2007 |
| 7269209 | Discrete multitone transmission and reception Discrete multitone transmission assigns bits to tones for transmission. The bits are assigned using permutations of bits and tones that cycle through a sequence of permutations in successive frames. ... | 09/11/2007 |
| 7269211 | Residual echo reduction for a full duplex transceiver A hybrid circuit within a full-duplex transceiver transmits an outgoing signal outward on a communication channel at the same time it receives an incoming signal arriving via the communication channel, and the outgoing and incoming signals sum to form a combined sig... | 09/11/2007 |
| 7269208 | Device for sending/receiving digital data capable of processing different bit rates, in particular in a VDSL environment A device for sending/receiving digital data is capable of processing different bit rates from a group of predetermined bit rates. The device may include a channel coding/decoding stage including an interleaver, a deinterleaver, and a memory whose minimum size is fix... | 09/11/2007 |
| 7269212 | Low-latency equalization in multi-level, multi-line communication systems Low-latency equalization mechanisms for multi-PAM communication systems are disclosed that reduce delay and complexity in signal correction mechanisms. The equalization mechanisms tap into input signals for a multi-PAM signal driver, and compensate for attenuation a... | 09/11/2007 |
| 7269400 | Wireless peripheral interface with universal serial bus port A wireless peripheral interface is used for coupling with a Universal Serial Bus (USB) port for connecting a wireless peripheral with a host computer or controller. Wireless peripheral devices (e.g., keyboard, mouse, trackball, touch pad, joysticks, and game control... | 09/11/2007 |
| 7269775 | Correcting for data losses with feedback and response A digital content transmission and reception system that uses feedback and re-transmission of missing content is described. A content transmission system broadcasts a complete set of digital content to a plurality of content reception systems via a communication lin... | 09/11/2007 |
| 7268524 | Voltage regulator with adaptive frequency compensation A voltage regulator includes a first and second amplifier stage, an output stage, and a variable zero circuit. The first amplifier stage is coupled to receive a reference voltage and introduces a first pole of the voltage regulator. The second amplifier stage is cou... | 09/11/2007 |
| 7269202 | Radio apparatus, swap detecting method and swap detecting program In a user signal processing unit USP, adaptive array processing is performed for a reception signal vector X(t) from array antennas #1 to #4. Based on an output signal y(t) of an adaptive array and a reference signal, an amount of frequency offset Δθ... | 09/11/2007 |
| 7265620 | Wide-band high-gain limiting amplifier with parallel resistor-transistor source loads An amplifier has a wide bandwidth and a high gain by using parallel loads. Each load has a load resistor and a load p-channel transistor in parallel. The drain voltages of differential n-channel transistors can be set by the load resistors, while switching current i... | 09/04/2007 |
| 7266171 | Phase-locked loop circuit and radio communication apparatus using the same A communication apparatus includes a phase-locked loop circuit which receives a first signal having a frequency and converts it into an output signal having a transmission frequency and includes a current output type phase comparator which converts a phase differenc... | 09/04/2007 |
| 7266104 | Time division protocol for an AD-HOC, peer-to-peer radio network having coordinating channel access to shared parallel data channels with separate reservation channel An ad-hoc, peer-to-peer radio system includes a series of radio terminals forming a service group, each radio terminal having a transceiver for communicating with terminals in the same service group, computer means, and memory for storing program software. Within th... | 09/04/2007 |
| 7266107 | Apparatus and method for allocating a common channel in a CDMA mobile communication system Disclosed is a method for setting a common channel for a packet data service by an SRNC through a UE and a DRNC when the UE is handed over from a first Node B to a second Node B as the UE moves to the second Node B, in a mobile communication system. The SRNC transmi... | 09/04/2007 |
| 7263120 | Semiconductor device to reduce power individually to each circuit A semiconductor device capable of reducing power consumption. In the semiconductor device having a plurality of data transmitter-receiver circuits using clock signals on frequencies prescribed in the unified standard as transmit/receive clock signals, an oscillator ... | 08/28/2007 |
| 7263293 | Indoor wireless voice and data distribution system A wireless voice and data system for improving coverage in an enclosed area includes a hub device for transceiving RF signals with a signal source positioned generally removed from an enclosed area. The hub device includes voice hardware for processing voice signals... | 08/28/2007 |
| 7263148 | Source synchronous CDMA bus interface A wireless IC interconnect system and a source synchronous CDMA (SS-CDMA) bus interface facilitate interconnections between first and second IC locations. A signal conveyed using the wireless system is modulated and capacitively coupled to a transmission medium, and... | 08/28/2007 |
| 7262724 | System and method for adjusting dynamic range of analog-to-digital converter Techniques for adjusting the dynamic range of an A/D converter in response to various conditions are disclosed. A value output by the A/D converter is utilized to determine if the A/D converter is operating at or above its current dynamic range capabilities (i.e., t... | 08/28/2007 |
| 7260163 | Noise blanker using an adaptive all-pole predictor and method therefor A noise blanker (40, 106) monitors and removes noise from a sampled signal by adaptive filtering (98, 150) the sampled signal to generate trained adaptive filter prediction coefficients. The sampled signal is provided as an output signal when the noise... | 08/21/2007 |
| 7260361 | Locating interfering devices in wireless networks using channel adaptation metrics A method, apparatus and system relate to detecting an interfering device in a wireless network such as a wireless local area network (WLAN). In wireless networks using orthogonal frequency division multiplexing (OFDM) and adaptive bit loading (ABL), adaptive modulat... | 08/21/2007 |
| 7260400 | Method and apparatus for transmitting and receiving control message in wireless access communication system A registration response (REG_RSP) message is generated which includes a type field, a length field, and an integrated CID (Connector Identifier) field. The integrated CID field includes an integrated CID inserted thereinto. The integrated CID is configured by using ... | 08/21/2007 |
| 7259482 | Distance extender and method making use of same A distance extender (100, 200) for increasing a distance between a first device (145) and a second device (150) in electrical communication with the first device includes an electrical cable (130, 230) electrically coupled between the fir... | 08/21/2007 |
| 7260067 | Spectrum and bin reassignment protocol for ADSL A system and method for improving communications, wherein Frequency Division Multiplexed (FDM) modems are communicatively coupled over a bi-directional channel. Bandwidth is apportioned to satisfy a desired downstream-to-upstream data rate ratio by measuring upstrea... | 08/21/2007 |
