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| Number | Title | Issue Date |
| 8130948 | Addressing of groups of broadcast satellite receivers within a portion of the satellite footprint A method and system enables the selective addressing of groups of broadcast receivers within part of a satellite footprint. It uses two satellites having a common transmission band to transmit respective signals, and at receivers in the footprint the phases of the s... | 03/06/2012 |
| 7936872 | Client proximity detection method and system A system and method in a wireless network for discovering which resources (e.g., other wireless computing devices) are proximate a user's wireless computing device. Wireless signal strengths with respect to various base stations are compared with the signal strength... | 05/03/2011 |
| 7415043 | Code division multiple access (CDMA) method and apparatus for protecting and authenticating wirelessly transmitted digital information A spread spectrum method and apparatus for protecting and authenticating wirelessly transmitted digital information using numerous techniques. The apparatus may be a wireless code division multiple access (CDMA) communication system, a base station, a wireless trans... | 08/19/2008 |
| 7362867 | Apparatus and method for generating scrambling code in UMTS mobile communication system A scrambling code generating apparatus of a downlink transmitter in a UMTS mobile communication system, which uses one primary scrambling code for separation of base stations and multiple secondary scrambling codes for channel separation. The apparatus includes a fi... | 04/22/2008 |
| 7356141 | Baud rate modulation encoding/decoding method and device for remote controller A encoding/decoding method and device for a remote controller utilizing a baud rate to encrypt data for transmission. The encoding device includes an encoder encoding an identification code into an encrypted code; and an interpreter interpreting the un-encoded porti... | 04/08/2008 |
| 7336220 | Method and apparatus for equalizing broadband chirped signal In order to generate a signal for canceling a chirped signal, a transmitter generates a cancellation signal along with the transmitted signal, using a single term variable complex gain multiplier adapted to cancel the chirped signal only at its instantaneous frequen... | 02/26/2008 |
| 7327998 | System and method of providing a geographic view of nodes in a wireless network A geographic view rendering tool receives geographic location data for nodes in a wireless network and renders a geographic view displaying the nodes at their corresponding geographic locations. The geographic view may be displayed overlaying a digital map. The geog... | 02/05/2008 |
| 7315162 | Reducing power consumption of electrical meters The invention contemplates an electrical power meter and method of operating the electrical power meter. The inventive power meter includes a power supply for converting alternating current (AC) voltage to a direct current (DC) voltage for powering the electronic co... | 01/01/2008 |
| 7312721 | Data collector for an automated meter reading system The invention includes an electronic utility meter, a data collector/meter and a method for communicating data in an automated meter reading system. The inventive method includes communicating data with a network and a first electronic utility meter, and communicati... | 12/25/2007 |
| 7313198 | Self calibrating transmit path correction system A transmit path correction system (34) for compensating for digital DC offsets, I/Q gain imbalances and I/Q phase imbalances includes a mixed signal forward path (36) and a mixed signal feedback path (38). The forward pat (36), which is o... | 12/25/2007 |
| 7305117 | Methods and tangible objects employing machine readable data The present invention relates generally to steganography. In one implementation we provide a method comprising: receiving optical scan data representing at least a portion of a physical object. The physical object includes information steganographically hidden there... | 12/04/2007 |
| 7301476 | Dynamic self-configuring metering network A dynamic self-configuring system for collecting metering data comprises a collector meter. The collector meter scans for meters that are operable to directly communicate with the collector and registers such meters as level one meters. The collector transmits instr... | 11/27/2007 |
| 7280061 | Digital-to-analog converter using a frequency hopping clock generator Method and device for reducing the signal images at the output of a digital/analog converter. In a method for reducing the signal images at the output of a digital/analog converter, a frequency hopping clock generator provides a digital data signal whose data rate i... | 10/09/2007 |
| 7277871 | Digital watermark system A digital watermark embedding apparatus generates an echo signal, which is delayed a time period corresponding to digital watermark information to be embedded with respect to each tone signal that forms an original audio signal, and inserts the generated echo signal... | 10/02/2007 |
| 7274754 | Method and apparatus for frequency division multiplexing A radio transmitter and receiver arrangement includes a transmitter and a receiver. The transmitter generates an electromagnetic carrier that varies in frequency throughout a channel interval, and modulates the carrier with an information signal during the channel i... | 09/25/2007 |
| 7269233 | Algorithm of bit synchronization for a digital FSK correlation receiver An algorithm for bit synchronization in a frequency shift keying (FSK) receiver. In the algorithm, a training sequence is received from a transmitter. The training sequence has a plurality of bits. A starting point of a next bit received by the FSK receiver after th... | 09/11/2007 |
| 7263203 | Digital watermarks An iterative encoding technique assesses trial watermark encoding of an object, and redresses any detected shortcomings in one or more successive re-encodings of the object. Other improvements concern web crawler-based watermark detectors, novel uses of meta-data in... | 08/28/2007 |
| 7262709 | System and method for efficient configuration in a fixed network automated meter reading system Meters are configured using either a program update method or a meter update method. In the program update method, meters associated with a specified configuration program are identified and configured with updated parameters. In the meter update method, a specified... | 08/28/2007 |
| RE39759 | Time domain radio transmission system A time domain communications system wherein a broadband of time-spaced signals, essentially monocycle-like signals, are derived from applying stepped-in-amplitude signals to a broadband antenna, in this case, a reverse bicone antenna. When received, the thus transmi... | 08/07/2007 |
| 7239666 | Communication system A communication system that can satisfactorily communicate with a mobile station by a transmitter and receiver of a simple arrangement wherein a plurality of carriers having different frequencies are transmitted simultaneously and data is transmitted on the basis of... | 07/03/2007 |
| 7239250 | System and method for improved transmission of meter data The system includes a number of first meters, which are typically battery powered transmit only devices. The system includes a number of two-way meters, which are operable to both transmit and receive data. The first meters transmit their data to the collector eithe... | 07/03/2007 |
| 7227855 | Resource allocation in a wireless network A data stream is transmitted between a base station and user terminal. A first resource that is available to transmit a page is selected at the base station and the page transmitted from the base station via the first resource. The page is received at the user termi... | 06/05/2007 |
| 7227350 | Bias technique for electric utility meter The invention contemplates an electrical power meter and method of operating the same, where the meter has electronic components (e.g., a power supply and a voltage sensing circuit) and receives alternating current (AC) voltage from an electrical power line. The inv... | 06/05/2007 |
| 7218907 | Method and circuit for down-converting a signal Methods, systems, and apparatuses for down-converting an electromagnetic (EM) signal by aliasing the EM signal are described herein. Briefly stated, such methods, systems, and apparatuses operate by receiving an EM signal and an aliasing signal having an aliasing ra... | 05/15/2007 |
| 7187906 | Method and system for configurable qualification and registration in a fixed network automated meter reading system A dynamic self-configuring system for collecting metering data comprises a collector meter. The collector meter scans for meters that are operable to directly communicate with the collector and registers such meters as level one meters. The collector transmits instr... | 03/06/2007 |
| 7184953 | Transcoding method and system between CELP-based speech codes with externally provided status An apparatus for processing CELP-based frames includes a first module for extracting a CELP parameter from a source codec, a second module coupled to the first module adapted to interpolate between a CELP parameter of the source codec and a destination codec, the CE... | 02/27/2007 |
| 7176807 | System for automatically enforcing a demand reset in a fixed network of electricity meters Methods and systems of enforcing a demand reset in a meter that communicates via a wireless network. When billing data is received by a server, it is accompanied by a demand reset counter. The counter is compared to a counter stored on the server. If they received c... | 02/13/2007 |
| 7173966 | Compensation for non-linear distortion in a modem receiver A method and modem receiver for receiving serial data from a transmission link, for recovering data from the received data, and for synchronizing the receiver timing to that of the transmitter are disclosed. A receiver equalizer includes a filter and quantizer in th... | 02/06/2007 |
| 7170425 | System and method for creating multiple operating territories within a meter reading system The present invention enables multiple operating territories to be defined, named, and managed within a meter reading system. Each operating territory may correspond to a geographic sub-section of the meter reading system that is regulated by a particular regulatory... | 01/30/2007 |
| 7167460 | Method and apparatus for providing variable rate data in a communications system using non-orthogonal overflow channels A variable rate transmission system where a packet of variable rate data is transmitted on a traffic channel if the capacity of the traffic channel is greater than or equal to the data rate of the packet. When the rate of the packet of variable rate data exceeds the... | 01/23/2007 |
| 7145474 | Dynamic self-configuring metering network A dynamic self-configuring system for collecting metering data comprises a collector meter. The collector meter scans for meters that are operable to directly communicate with the collector and registers such meters as level one meters. The collector transmits instr... | 12/05/2006 |
| 7142106 | System and method of visualizing network layout and performance characteristics in a wireless network A system for visually detailing the layout of a wireless network and for providing performance statistics regarding the network. Graphical diagrams are generated in accordance with a request wherein the diagrams illustrate nodes and data collectors in the wireless n... | 11/28/2006 |
| 7142617 | Narrow band chaotic frequency shift keying A system and method for signal transmission and reception by narrow band chaotic frequency shift keying includes a forward error correction encoder for receiving input data, a data packetizer in signal communication with the forward error correction encoder, a compr... | 11/28/2006 |
| 7126494 | Remote access to electronic meters using a TCP/IP protocol suite An electronic meter incorporates a TCP/IP protocol suite and an HTTP server to provide two-way access to the meter data. Alternatively, the TCP/IP protocol suite may be incorporated into a gateway serving multiple meters connected through a power line or wireless tw... | 10/24/2006 |
| 7127007 | Method, apparatus and system for high-speed transmission on fiber optic channel Multi-carrier modulation fiber optic systems constructed using a series of electrical carriers, modulating the data on the electrical carriers and combining the carriers to form a wideband signal. The wideband signal can then be intensity modulated on a laser and co... | 10/24/2006 |
| 7119713 | Dynamic self-configuring metering network A dynamic self-configuring system for collecting metering data comprises a collector meter. The collector meter scans for meters that are operable to directly communicate with the collector and registers such meters as level one meters. The collector transmits instr... | 10/10/2006 |
| 7111168 | Digital watermarking systems A variety of systems responsive to watermarked documents are detailed. In one, watermarking is employed to facilitate secure online transactions. In another, a system for exchanging data is provided. One system includes a user terminal and a central site. The user t... | 09/19/2006 |
| 7103085 | Wireless communications system with secondary synchronization code based on values in primary synchronization code A wireless communication system. The system comprises transmitter circuitry (BST1), the transmitter circuitry comprising encoder circuitry (50) for transmitting a plurality of frames (FR). Each of the plurality of frames comprises a primary synchroniza... | 09/05/2006 |
| 7099292 | Spread spectrum communications using a reference and a message signal system and method A spread spectrum remote unit produces a message signal having message data. A reference signal is produced. The reference signal is used to recover the message data from a combined spread spectrum signal. The reference signal and the message signal is combined as a... | 08/29/2006 |
| 7092427 | Direct sequence modulation using time, frequency, and/or on-off keying A pair of radio frequency communication devices and a communication method are provided according to the invention. A transmitter includes a data source providing a data stream and a radio frequency modulation device. The radio frequency modulation device communicat... | 08/15/2006 |
