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| Number | Title | Issue Date |
| 8111737 | Bidirectional digital communication circuit and a bidirectional digital communication method A bidirectional digital communication circuit and a bidirectional digital communication method for combining multi-channel signals to a duplex digital communication system apply time division multiplexing. The signals can be unidirectional and bidirectional; signals... | 02/07/2012 |
| 7809048 | On-channel repeating apparatus and method for terrestrial digital television broadcasting service A repeater and method for an ATSC terrestrial digital TV broadcasting service. The on-channel repeater includes: a receiving unit for receiving a Radio Frequency (RF) broadcast signal from a main transmitter; a frequency downlink converting unit for converting the r... | 10/05/2010 |
| 7787524 | Wireless communication apparatus An object of the invention is to provide a wireless communication apparatus which can correct error flexibly without wasting consumed resources while maintaining the improvement of reliability resulted from error correction. The wireless communication apparatus (rel... | 08/31/2010 |
| 7526017 | Transmitting device, receiving device, transmission system, and transmission method A transmitter LSI 1 transmits a source clock, transmission data, and a transmission sync signal indicating the timing of the transmission data to a receiver LSI for establishing transmission synchronization between LSIs. The transmitter LSI 1 includes:... | 04/28/2009 |
| 7409029 | Transmission device for automatically set an optimal point for a signal decision making There is provided a flexible transmission device capable of automatically setting an optimal point for a signal decision making with high accuracy, so that highly reliable high-quality signal regeneration control is achieved. A clock timing extraction circuit dynami... | 08/05/2008 |
| 7362796 | Signal relay circuit for securing amplitude of voltage of transmitting signals In a signal relay circuit according to the present invention, while a capacitor serves to pass an AC component of a digital signal having a first potential level and a second potential level higher than the first potential level, a first resistor and a second resist... | 04/22/2008 |
| 7349515 | Method and an apparatus to improve production yield of phase locked loops An apparatus and a method for improving production yield of phase locked loops (PLLs) have been disclosed. One embodiment of the apparatus includes a PLL comprising a charge pump and an offset compensation circuit coupled to the charge pump to provide an offset curr... | 03/25/2008 |
| 7343558 | Configurable automatic-test-equipment system A method and system for measuring a device under test includes connecting a first test instrument and a second test instrument to a programmable logic device. The programmable logic device is configured to comply with interface specifications of the first test instr... | 03/11/2008 |
| 7324449 | Method and apparatus for dynamic backhaul resource management in a wireless communication system Various embodiments are described to address the need to lower backhaul costs for EGPRS operators while maintaining the low and constant delay characteristics they require. 20 msec TRAU frames (221-226) are still used for backhaul to maintain the low a... | 01/29/2008 |
| 7310064 | Rebroadcasting method and system for navigation signals A “synchrolite” or rebroadcasting device allows GPS or GNSS navigation signals received at one or several locations to be processed at a separate location. The signals received by the synchrolite are added to a pilot tone and then encoded with a superimposed spr... | 12/18/2007 |
| 7308023 | Dual function clock signal suitable for host control of synchronous and asynchronous target devices A host device in a data communication system provides a dual-function clock/enable signal at a single output port shared by at least one asynchronous target device and at least one synchronous target device. In the asynchronous operating mode, the host device genera... | 12/11/2007 |
| 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 |
| 7280589 | Source synchronous I/O bus retimer A device configured to recover and repeat source synchronous data. The device is configured to receive source synchronous data via a first interface and recover the received data utilizing a first clock signal which is generated to be approximately ninety degrees ou... | 10/09/2007 |
| 7268602 | Method and apparatus for accommodating delay variations among multiple signals A method and apparatus for accommodating delay variations among multiple signals are provided. According to one embodiment of the invention, transitions of one or more of a plurality of lines between different levels are detected. The timing of a signal affecting re... | 09/11/2007 |
| 7269022 | Low height USB interface connecting device and a memory storage apparatus thereof A connecting device with a low height comprises a connector part, and a set of metal terminals. The connector part has a height compatible with the height of an inner space in a standard USB interface slot socket so as to be inserted into the standard USB interface ... | 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 |
| 7257220 | Method and system for providing extended reach of a digital subscriber line signal A method for providing extended reach of a digital subscriber line signal includes receiving an incoming DSL signal, splitting the DSL signal into separate voice and data signals, demodulating the data signal, requantizing the demodulated data signal, modulating the... | 08/14/2007 |
| 7252072 | Methods and systems of diagnosing fuel injection system error A fueling system for an internal combustion engine. The system has a voltage booster and a fuel injector. The voltage booster is operatively coupled to the injector to selectively drive the injector. A method includes determining compliance of a booster voltage with... | 08/07/2007 |
| 7254345 | Receiver and receiving method capable of detecting an eye aperture size formed by reception data signals In a receiver operable in response to a data signal, an eye aperture size is detected along a time axis by an eye aperture detection circuit and is controlled by a control circuit so that it becomes a maximum. The eye aperture detection circuit determines different ... | 08/07/2007 |
| 7254198 | Receiver system having analog pre-filter and digital equalizer A receiver system suitable for a local area network contains an analog pre-filter (207 or 619), an analog-to-digital converter (210), a digital equalizer (212), and a decoder (605). A symbol-information-carrying input analog signal... | 08/07/2007 |
| 7245160 | Short pulse rejection circuit A short pulse rejection circuit is disclosed. The circuit comprises a signal transition detecting circuit, a control signal generating circuit, a capacitor resetting and charging circuit, and a charge pulse detecting circuit. The signal transition detecting circuit ... | 07/17/2007 |
| 7242721 | Method for estimating the transfer function of a multicarrier signal transmission channel and corresponding receiver The invention concerns a method for estimating the transfer function of a multicarrier signal transmission channel consisting of a temporal succession of symbols of a set of data elements, each of the data elements modulating a carrier frequency of the signal, the d... | 07/10/2007 |
| 7239665 | Selection of pre-computed equalizer based on channel characteristic In some embodiments, a method includes determining a characteristic of a communication channel and selecting, on the basis of the determined characteristic, a pre-computed equalizer characteristic for application to signals received via the communication channel. | 07/03/2007 |
| 7239681 | System and method for maintaining a stable synchronization state in a programmable clock synchronizer A system and method for maintaining a stable synchronization state in a programmable clock synchronizer for effectuating data transfer between first circuitry disposed in a first clock domain and second circuitry disposed in a second clock domain. In a system embodi... | 07/03/2007 |
| 7236518 | Deskewing differential repeater A device including an input to receive a differential waveform pair from a transmission line, the differential waveform pair including a first waveform and a second waveform. The device also includes a repeater to generate a refreshed first output waveform and a ref... | 06/26/2007 |
| 7236550 | Method and apparatus for tail cancellation equalization Subtraction of a signal 111 from a pulse response 110, where signal 111 provides a good approximation of the tail of pulse response 110, can provide a method for canceling the tail of pulse response 110. For continuous data... | 06/26/2007 |
| 7233770 | Communications system using separate receive and transmit frequency hopping hopsets A system communicates with a mobile radio and includes a repeater that is operative for transmitting and receiving communications signals on respective first and second frequency hopping hopset. A mobile radio receives a communication signal from the repeater on the... | 06/19/2007 |
| 7230935 | Physical layer repeater with selective use of higher layer functions based on network operating conditions A physical layer frequency translating repeater (600, 700) for use in a wireless network includes signal processor (710-714) coupled with a signal processing bus (711), a processor (627) and a memory (650). The physical laye... | 06/12/2007 |
| 7218686 | Decision threshold voltage control circuit and decision threshold voltage controlling method of clock and data recovery circuit, optical receiver, and decision threshold voltage control program According to a decision threshold voltage controlling method of feeding an optimum decision threshold voltage to a clock and data recovery circuit which converts an optical input signal into an electric signal, extracts a clock component from an input data signal am... | 05/15/2007 |
| 7209433 | Channel estimation and compensation techniques for use in frequency division multiplexed systems Methods and apparatus for performing channel estimate updates in frequency division multiplexed, e.g., (OFDM), systems are described. After generation of initial channel estimates from received pilots, channel estimates corresponding to individual tones are updated ... | 04/24/2007 |
| 7194045 | Method for determining a reference clock phase from band-limited digital data streams The invention provides a method for recovering a digital datastream, in which a reference clock phase is recovered from the digital datastream, the digital datastream being received in a datastream receiver, low-pass filtered in a low-pass filter device, an edge pos... | 03/20/2007 |
| 7194638 | Device and method for managing power consumed by a USB device A method and device for reducing an amount of power consumed by a USB device (such as a host/hub/peripheral device which may include a receiver, phy, synchronizer, or other component associated with a data path) adapted to communicate using one or more USB signals e... | 03/20/2007 |
| 7187276 | Power 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 |
| 7176786 | Method of isolating data in a power line communications network The present invention provides isolation between a power line local area network and another network such as a power line wide area network. In one embodiment of the present invention, a filter device is installed on the power line supplying power to a structure in ... | 02/13/2007 |
| 7174488 | Echo canceler-based mechanism for performing and reporting fault diagnostic testing of repeatered telecommunication line A repeater-installed fault location mechanism conducts parametric measurements on a segment of wireline to which the repeater is connected, and adjusts taps of an echo cancellation operator in the repeater transceiver equipment, in accordance with the response of th... | 02/06/2007 |
| 7164667 | Integrated wireless distribution and mesh backhaul networks Networks, devices and methods related to wireless networking. A wireless network using nodes that perform both distribution and backhaul functions is provided. These nodes constitute the key elements of a wireless network that would be deployed and controlled by a w... | 01/16/2007 |
| 7162555 | Universal serial bus device having logical circuit for conversive and immediate host reset operation A Universal Serial Bus (USB) device for exchanging data with a USB host connected via a USB cable is provided. In a USB device for exchanging data with a USB host connected via a USB cable, the USB device comprises a USB encoder for outputting USB encoding data; a r... | 01/09/2007 |
| 7139397 | Hybrid architecture for realizing a random numbers generator A hybrid architecture for realizing a random numbers generator comprising a digital circuitry portion able to provide for a random bytes sequence as well as an analog circuitry portion able to provide a seed of the true random type is described. ... | 11/21/2006 |
| 7139308 | Source synchronous bus repeater A device configured to recover and repeat source synchronous data. In one embodiment, the device is configured to receive source synchronous data via a first interface, recover the received data utilizing a corresponding received source synchronous clock signal, and... | 11/21/2006 |
| 7126408 | Method and apparatus for receiving high-speed signals with low latency An apparatus and method for receiving high-speed signals having a wide common-mode range with low input-to-output latency. In one embodiment, the receiver includes an integrator to accumulate charge in accordance with an input signal during an integration time inter... | 10/24/2006 |
