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Vladimir Zworykin, television pioneer ; Talking about an invention in which he played a critical role.
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| Number | Title | Issue Date |
| 7313130 | Spectrally compatible mask for enhanced upstream data rates in DSL systems A method and apparatus for providing extended upstream data transmission in a band having a lowest frequency f0 by an end user terminal unit in an asymmetric digital subscriber line communication between a central office terminal unit and the end user ter... | 12/25/2007 |
| 7313176 | Programmable on chip regulators with bypass A device and a method for processing high data rate serial data includes circuitry for recovering or generating a clock based with varying amounts of phase noise or jitter based upon a particular application. To achieve the foregoing, regulated and unregulated power... | 12/25/2007 |
| 7313202 | Asynchronous serial data receiver for packet transfer A receiver provides a differential signal of first and second signals as received serial data. A tracking circuit receives the received serial data and a clock signal to generate a synchronous clock signal based on the clock signal by tracking the received serial da... | 12/25/2007 |
| 7313199 | Power amplifier linearization A system for linearizing the output of a high power amplifier (HPA) designed to transmit an RF modulated signal includes in its transmit section a digital up-converter for processing baseband input signals and generating a desired digital RF waveform, T(s). The desi... | 12/25/2007 |
| 7313154 | TDD frame format A method of operating in a point-to-multipoint communication system with a base station and a plurality of remote stations, wherein the communication system enables transmission of data in a multicast mode with different Quadrature Amplitude Modulation (QAM) levels,... | 12/25/2007 |
| RE39956 | Communication system At the transmitter side, carrier waves are modulated according to an input signal for producing relevant signal points in a signal space diagram. The input signal is divided into, two, first and second, data streams. The signal points are divided into signal point g... | 12/25/2007 |
| 7310056 | Method and system for adjustable sample rate conversion Described herein is a method and system for sampling rate conversion. A clamped cubic spline interpolator (CCSI) may be utilized to interpolate or decimate a source signal to provide samples at times based on a sink rate. The source clock and sink clock may be drive... | 12/18/2007 |
| 7310529 | Packet data traffic control for cellular wireless networks Data traffic over a plurality of data communications links of a wireless data communications system is controlled by identifying a poorly performing wireless link, and interrupting data communications over the poorly performing link. The data throughput of remaining... | 12/18/2007 |
| 7308025 | Transmitters providing cycle encoded signals In some embodiments, the inventions includes a transmitter including a cycle encoding circuit to receive a data input signal and to provide a full cycle encoded signal in response thereto by continuously joining portions of different encoding signals. Some of the en... | 12/11/2007 |
| 7308024 | Modulation scheme for FDD/TDD transceivers Cordless communication techniques for cordless communication devices having a handset unit and a base unit are provided. Such techniques can utilize a modulation method for Frequency Division Duplex/Time Division Duplex (FDD/TDD) that overcomes deficiencies of prior... | 12/11/2007 |
| 7308004 | Method and apparatus of multiplexing and demultiplexing communication signals A method and apparatus for multiplexing and demultiplexing communication signals are described herein. In one embodiment, an apparatus includes first sample logic to sample a plurality of communication signals each including a clock component and a non-clock compone... | 12/11/2007 |
| 7305059 | Method and device for the clocked output of asynchronously received digital signals A method and device for the uniform output of asynchronously transmitted digital values is provided, including: receiving the digital values in a receiver from a transmission path; outputting the digital values from the receiver on the basis of an output clock for f... | 12/04/2007 |
| 7302848 | Force compensated comb drive A force compensated comb drive for a microelectromechanical system includes a MEMS mechanism for providing an output signal representative of a physical quantity; a comb drive for actuating the MEMS mechanism; a comb drive circuit for providing a drive signal to the... | 12/04/2007 |
| 7305037 | Calibration system for a communications system A calibration system for a communication system is provided featuring a transmitter circuit, a receiver circuit, a transmission medium having a transfer function for transmitting a signal between the transmitter and receiver circuits, and a calibration system respon... | 12/04/2007 |
| 7305006 | System for allowing a single device to share multiple transmission lines A front end, such as can be used in a Home Phoneline Networking Alliance network, may connected to a plurality of transmission lines. Each of the plurality of transmission lines may connected to one or more devices, such as a plain old telephone service device or an... | 12/04/2007 |
| 7305023 | Receivers for cycle encoded signals In some embodiments, the inventions includes a transmitter including a cycle encoding circuit to receive a data input signal and to provide a full cycle encoded signal in response thereto by continuously joining portions of different encoding signals. Some of the en... | 12/04/2007 |
| 7305048 | Burst mode receiver and method for stable reception of packet data on telephone line A receiver performing a stable operation in a burst mode is provided. The receiver transmits packet data using a preamble, and has good acquisition performance so that a synchronization part converges on a preamble interval. For the acquisition performance, the rece... | 12/04/2007 |
| 7305024 | Method of fixing frequency complex up-conversion phase and gain impairments A technique associated with transceiver systems solves transmitter impairments when the system has both receiver and transmitter operating with the same local oscillator frequency but with independent phase and gain impairments. ... | 12/04/2007 |
| 7301995 | Direct digital access arrangement circuitry and method for connecting to phone lines An isolation system is provided that is suitable for use in telephony, medical instrumentation, industrial process control and other applications. Preferred embodiments of the invention comprise a capacitive isolation barrier across which a digital signal is communi... | 11/27/2007 |
| 7301893 | Linear space-time block code with block STTD structure Space-time block code with structure of a block STTD. 2×2 blocks allow partial orthogonality for low-complexity detection and optimized diversity gain and coding gain. ... | 11/27/2007 |
| 7301997 | Method and apparatus for improved high-speed adaptive equalization A method and apparatus for improved high-speed adaptive equalization that may operate effectively even in systems experiencing severe interference by using one or more error generators and taking multiple samples across a bit interval. Advantageously, a preferred em... | 11/27/2007 |
| 7302021 | Digital broadcast receiving apparatus In a digital broadcast receiving apparatus for amplifying a received modulated digital signal wave with automatically adjusted gain and demodulating the modulated signal wave to a digital signal, a tuner frequency-converts the modulated digital signal wave to genera... | 11/27/2007 |
| 7301904 | System and method for maximizing throughput in a telecommunications system Provided is a system and method for maximizing throughput in a telecommunications network. The method is operable to select and service a request for a communication session by selecting a bit rate and assigning the bit rate to the request. The method selects the re... | 11/27/2007 |
| 7301908 | Method and apparatus for rescheduling a communication system channel after a channel property change Techniques for rescheduling one or more timing intervals associated with a channel of a communication system. Responsive to a detected change in a property of the channel, a rescheduling algorithm identifies a given one of the timing intervals, within a schedule for... | 11/27/2007 |
| RE39928 | Communication system At the transmitter side, carrier waves are modulated according to an input signal for producing relevant signal points in a signal space diagram. The input signal is divided into, two, first and second, data streams. The signal points are divided into signal point g... | 11/27/2007 |
| 7302017 | System and method for adaptive matched filter signal parameter measurement A robust and flexible system for signal parameter measurements in the field of signal processing dynamically uses signal parameters from previous signal detections and parametric priorities to adaptively control and process the signal in an efficient and reliable ma... | 11/27/2007 |
| 7301894 | Method for providing fault tolerance in an XDSL system An XDSL system may include an active unit and a standby unit. The active unit may include a plurality of line circuits, which can be used to form XDSL loops with far end units. The standby unit may be synchronized with the active unit. In response to an indication, ... | 11/27/2007 |
| RE39927 | Communication system At the transmitter side, carrier waves are modulated according to an input signal for producing relevant signal points in a signal space diagram. The input signal is divided into, two, first and second, data streams. The signal points are divided into signal point g... | 11/27/2007 |
| 7301440 | Power 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 |
| RE39929 | Communication system At the transmitter side, carrier waves are modulated according to an input signal for producing relevant signal points in a signal space diagram. The input signal is divided into, two, first and second, data streams. The signal points are divided into signal point g... | 11/27/2007 |
| 7295049 | Method and circuit for rapid alignment of signals Circuits and methods for aligning two or more signals including a first and second signal. In one embodiment, a shift register generates two or more shifted copies of the second signal, and each of a plurality of phase detectors receives the first signal and one of ... | 11/13/2007 |
| 7295603 | Method and system for virtual exchange reference impact (VERI) for use in mixed spectrum management in DSL A method and apparatus implements a Virtual Exchange Reference Impact (VERI) technique to define a pattern to shape the spectrum of a cabinet deployed system to minimize its impact, e.g., FEXT, into an exchange deployed system while achieving effective cabinet syste... | 11/13/2007 |
| 7295972 | Method and apparatus for blind source separation using two sensors A method and apparatus to separate first and second mixture signals received from two sensors and transformed into the frequency domain in two or more source signals. The signal separation method includes: calculating a global signal absence probability for each fra... | 11/13/2007 |
| 7295826 | Integrated frequency translation and selectivity with gain control functionality, and applications thereof Methods and apparatuses for frequency selectivity and frequency translation, and applications for such methods and apparatuses, are described herein. The method includes steps of filtering an input signal, and down-converting the filtered input signal. The filtering... | 11/13/2007 |
| 7295817 | Wireless data communication unit A wireless data communication unit (700) shares a data communication resource with a plurality of other data communication units. The wireless data communication unit (700) receives channel status information from a wireless serving communication unit ... | 11/13/2007 |
| 7295623 | High-speed communications transceiver A communication system is disclosed that allows high data-rate transmission of data between components. N-bit parallel data is transmitted in K-frequency separated channels on the transmission medium so as to fully take advantage of the overall bandwidth of the tran... | 11/13/2007 |
| 7295570 | Determining a profile for an interface of a network device Selecting a profile for an interface of a network device includes accessing profile sequences, where each profile sequence corresponds to an interface. Each profile sequence includes profiles that provide parameters for communicating data. The following are repeated... | 11/13/2007 |
| 7295569 | Selecting a profile for an interface of a network device according to a margin Selecting a profile for an interface of a network device includes accessing profile sequences, where each profile sequence corresponds to an interface. Each profile sequence includes profiles that provide parameters for communicating data. The following are repeated... | 11/13/2007 |
| 7295599 | Digital conversion and compensation system According to one aspect of the invention, a system is provided which includes an adaptive compensation component and a conversion component. The adaptive compensation component performs spectral and linearity compensation on input digital signals to generate output ... | 11/13/2007 |
| 7291938 | Power supply apparatus and method based on parasitic power extraction Power supply apparatus and method based on parasitic power extraction is disclosed. Power is extracted from signals that are inbound and/or outbound from an equipment. The extracted power is converted to dc voltages for a device associated with the equipment. The po... | 11/06/2007 |
