|
Match
|
Document |
Document Title |
|
|
7640281 |
Digital signal control using first order holds
A method is provided to reduce delay in signal processing of a digital control system. The method includes receiving outputs from a digital controller at a first frequency. A pre-load data value is...
|
|
|
7639806 |
Fingerprinting digital devices using electromagnetic characteristics of their communications
Methods and apparatus or systems for providing security based on innate characteristics of devices are disclosed. A method of providing security associated with communications from a digital device...
|
|
|
7593483 |
Nonlinear mapping in digital-to-analog and analog-to-digital converters
In a high-fidelity digital modulator, a mapper is provided to minimize quantization noise, jitter, and cross-talk between multiple digital-to-analog or analog-to-digital converters. The mapper...
|
|
|
7587002 |
Wireless transmitting and receiving device and method
A wireless device, method, and signal for use in communication of a wireless packet between transmitting device and a wireless receiving device via a plurality of antennas, wherein a signal...
|
|
|
7583212 |
Reduced noise radio frequency integrated circuit
A radio frequency integrated circuit (RFIC) includes a digital to analog converter, an analog to digital converter, and a low noise amplifier. The digital to analog converter (DAC) is operably...
|
|
|
7570293 |
Image sensor with on-chip semi-column-parallel pipeline ADCS
An imaging device with a semi-column-parallel pipeline analog-to-digital converter architecture. The semi-column-parallel pipeline architecture allows multiple column output lines to share an...
|
|
|
7548742 |
Tuner for radio frequency receivers and associated method
A tuner architecture is disclosed that mixes an analog RF input signal and a digital local oscillator signal to generate a output signal at a desired IF frequency, including low-IF and zero-IF...
|
|
|
7535982 |
Method and apparatus for adjusting phase of sampling frequency of ADC
A method for adjusting a phase of a sampling frequency of ADC is disclosed. The method includes converting an analog signal into a first digital signal according to a first phase of the sampling...
|
|
|
7522901 |
Direct digital conversion tuner and method for using same
A direct sampling tuner includes a low noise amplifier and an optional dynamically configurable band pass filter coupled to the low noise amplifier. The optional filter is configured to pass a...
|
|
|
7519513 |
High bandwidth real time oscilloscope
A method and apparatus for digitizing a data signal, the method comprising the steps of receiving an input analog data signal, splitting the received input analog data signal into a plurality of...
|
|
|
7511646 |
Use of 8-bit or higher A/D for NAND cell value
A system and method, including computer software, for storing digital information uses multiple NAND flash memory cells. Each memory cell is adapted to receive charge during a write operation to an...
|
|
|
7504972 |
Method for increasing the resolution of analog to digital conversion
A method for increasing the resolution of analog to digital conversion made by a microcontroller. A resistive-capacitive network is connected between an input/output port of the microcontroller and...
|
|
|
7505536 |
Energy dispersal circuit and receiver
An energy dispersal circuit, which generates a PRBS (Pseudo Random Binary Sequence) and executes an XOR (exclusive-OR) operation with respect to a data signal and the PRBS based on a bit, includes...
|
|
|
7467036 |
In-vehicle electronic control unit
A first control circuit portion carries out input/output control in cooperation with a microprocessor, a program memory, and a RAM memory. A second control circuit portion is in cooperation with...
|
|
|
7463175 |
Multi-bit data converter using data weight averaging
A method for converting data includes matching dynamic elements by repeatedly selecting a portion of unit elements among N unit elements according to data and a circulation direction. An existence...
|
|
|
7460973 |
Sensing apparatus
A sensing apparatus includes a microprocessor having an A/D converting function of digital-converting an analog electric quantity supplied to an A/D conversion port and taking in a conversion...
|
|
|
7456885 |
Per column one-bit ADC for image sensors
A per column one-bit analog-to-digital converter for an image sensor. The analog-to-digital converter utilizes the difference between a reference signal current and a pixel signal current to obtain...
|
|
|
7436207 |
Integrated circuit device having at least one of a plurality of bond pads with a selectable plurality of input-output functionalities
An integrated circuit device having at least one bond pad is coupled to a selectable plurality of input-output functionalities, e.g., an oscillator input, an analog input, an analog output, a...
|
|
|
7411462 |
Built-in self test method for a digitally controlled crystal oscillator
A novel testing mechanism operative to test large capacitor arrays such as those used in a digitally controlled crystal oscillator (DCXO). The invention is adapted for use in DCXO circuits that...
|
|
|
7403141 |
Wireless local area network device supporting enhanced call functions
A wireless local area network (WLAN) transceiving integrated circuit services voice communications in a WLAN with at least one other WLAN device and includes a WLAN interface, a transcoder, and a...
|
|
|
7375667 |
Discrete synthesis using staggered Nyquist regions avoids guard band induced holes near a Nyquist limit
Staggered consecutive Nyquist regions associated with differing DAC synthesizer clock rates (F CLK ) avoids spectrum lost through disjoint guard bands at the end of or between adjacent Nyquist...
|
|
|
7373281 |
High bandwidth oscilloscope
A method for improving bandwidth of an oscilloscope involves, in preferred embodiments, the use of frequency up-conversion and down-conversion techniques. In an illustrative embodiment the...
|
|
|
7359853 |
Method and system for low bit rate voice encoding and decoding applicable for any reduced bandwidth requirements including wireless
An implementation of the present invention for 4800 bits per second comprises a voice encoder and decoder method and system that uses voice excitation, eliminating the voice/unvoiced pitch...
|
|
|
7319418 |
Sensor with multiplex data output
A method of transmitting data from a sensor ( 1 ) to a receiver ( 4 ) in which each original data word is split in positional fashion into at least two separate short data words (MSN, LSN). The...
|
|
|
7313380 |
Variable resolution A/D converter
A variable resolution analog-to-digital converter includes a sample-and-hold circuit including a plurality of sample-and-hold units which are connected in parallel and selectively activated...
|
|
|
7312735 |
Parallel-to-serial converter
Method and system on an aircraft for converting plural data inputs and plural data outputs from a parallel format to a serial format is provided. The system includes an integrated software module...
|
|
|
7307566 |
Apparatus and method of stabilizing sigma-delta modulator for fractional-N phase-locked-loop
A sigma-delta modulation method with low complexity is provided. To this end, in the present invention, an input signal is forwarded and an output signal is fed back to thus reduce the range of the...
|
|
|
7307563 |
Apparatus and method for performing dithering in communication system using orthogonal frequency division multiplexing scheme
Disclosed are an apparatus and a method for performing dithering in a communication system using an orthogonal frequency division multiplexing scheme. A method for adding dithering noise in a...
|
|
|
7295638 |
Communication device
A direct sequence spread spectrum (DSSS) receiver ( 100 ) consistent with certain embodiments has a frequency generator ( 112 ) that generates a local oscillator signal without use of a...
|
|
|
7283012 |
Tri-state pulse density modulator
A tri-state pulse density modulator includes a first switch device coupled to a high voltage, and a second switch device coupled to a low voltage. An adder receives a pulse density modulation (PDM)...
|
|
|
7280059 |
Systems and methods for mixing domains in signal processing
Signal processors that incorporate two or more domains in the design are provided. In certain embodiments, nonlinear processing is combined with linear processing. For example, in some embodiments,...
|
|
|
7271752 |
Arrangement for the operation of field devices of an administration and maintenance unit of a building
An interface component ( 10 ) for a universal in-/output module with connection points (X 0 , M) for field devices includes an analog-to-digital converter (ADC), a digital-to-analog converter...
|
|
|
7266152 |
Digital signal processing device and digital signal processing method
A device for performing predetermined processing on an input signal that may have a signal amplitude of more than one bit. The input signal is obtained by subjecting one-bit serial signals to...
|
|
|
7257497 |
Sequential frequency band acquisition apparatus for test and measurement instruments
An acquisition apparatus for a test and measurement instrument includes an input to receive an input signal, a digitizer to digitize a selected signal, a bypass path to selectively couple the input...
|
|
|
7250883 |
A/D converter
A compact and highly accurate A/D converter includes series-connected computation cells, the number of which is equal to the number for bits in an output signal. The first computation cell includes...
|
|
|
7230554 |
Noise suppression circuit, ASIC, navigation apparatus, communication circuit, and communication apparatus having the same
The present invention provides an noise suppression circuit comprises an internal circuit which has a high and a low level terminals. The low level terminal is connected to a low level power supply...
|
|
|
7227480 |
Current steering type single flux quantum circuit
Disclosed is a single flux quantum circuit that uses a flux quantum as an information carrier, which generates a SFQ clock signal with little clock jitter and supplies the SFQ clock signal to a SFQ...
|
|
|
7190752 |
Data signal quality evaluation method and apparatus using high speed sampling
The scale and complexity of an apparatus is reduced by omitting a clock extraction section. The apparatus includes: a sampling pulse train generation device which generates an optical or electrical...
|
|
|
7188087 |
Devices, systems and methods for restricting use of digital content
Devices, systems and methods for restricting use of digital content are provided. Among those embodiments which may be construed as providing a method for restricting use of digital data, a...
|
|
|
7188196 |
Method and apparatus for playing analog audio to multiple codec outputs
Method and apparatus for playing analog audio in an electronic audio system having multiple audio codecs, only one of which has a direct hardware connection to the analog audio source. First analog...
|
|
|
7173557 |
Analog/digital converter
An A/D converter for converting an analog input into a binary-encoded word includes a bit-weight memory storing bit weights that include maximum, mimimum, and medium weights. During a conversion...
|
|
|
7170930 |
Receiver
A method of equalizer adaptation involves comparing equalizer output values with a center threshold, and with at least one of a pair of outer thresholds, and adapting the equalizer in order to...
|
|
|
7146288 |
System and method for estimating quantization error in sampled data
A method and apparatus for determining quantization error in data is disclosed. The method comprises gathering a plurality of data points, identifying a range of the data points, separating the...
|
|
|
7146283 |
Calibrating analog-to-digital systems using a precision reference and a pulse-width modulation circuit to reduce local and large signal nonlinearities
A calibration unit and technique for calibrating A/D systems (e.g., data acquisition devices) using a pulse-width modulation (PWM) circuit to reduce nonlinearity. The calibration unit may be...
|
|
|
7142139 |
Powering down of DAC and ADC for receive/transmit modes of operation in a wireless device
A digital-to-analog converter (DAC) disposed in a data transmission path to convert data from a digital format to an analog format to be transmitted is powered down during a receive mode of...
|
|
|
7139684 |
High bandwidth real time oscilloscope
A method and apparatus for digitizing a data signal, the method comprising the steps of receiving an input analog data signal, splitting the received input analog data signal into a plurality of...
|
|
|
7138932 |
Signal converting apparatus for integrating analog-to-digital converter and digital-to-analog converter and integration unit
A signal converting apparatus for integrating an analog-to-digital converter (ADC) and a digital-to-analog converter (DAC) and an integration unit thereof are provided. The present invention...
|
|
|
7129869 |
Superconductor semiconductor integrated circuit
In an A/D converter having a single flux quantum circuit having a flux quantum as an information carrier, a superconducting amplifier circuit driven by an AC current, and a semiconductor circuit,...
|
|
|
7119714 |
Multi-bit digital input using a single pin
Electronic devices, and methods, for transmitting, transferring and/or conveying a multi-bit digital signal as a voltage signal via a single pin. Devices and methods according to the invention...
|
|
|
7113749 |
System and method for measuring a high speed signal
An apparatus is provided for measuring an output of a high-speed data transmission circuit. The apparatus includes a programmable reference voltage generator operable to generate a reference...
|