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8917102 Method, capacitance meter, computer program and computer program product for improved capacitance measurement  
A method for measuring a capacitance using a capacitance meter. The capacitance meter includes an AC power source with a controllable frequency which is fed to a capacitor to measure its...
8901917 Element measurement circuit and method thereof  
An element measurement circuit is provided, comprising a oscillator for generating a first oscillation clock and second oscillation clock, a frequency divider for dividing the first oscillation...
8901916 Detecting malicious hardware by measuring radio frequency emissions  
A method of testing an electronic device includes measuring radio frequency emissions at a plurality of positions relative to a trusted unit of a particular electronicdevice during operation of...
8866468 DF/dT trigger system and method  
A dF/dT trigger system and method includes instantaneously triggering on a frequency deviation of a data signal, which can be associated with an SSC signal. After receiving a signal at an input...
8847604 Semiconductor device with a test circuit and a reference circuit  
Implementations are presented herein that include a test circuit and a reference circuit.
8705675 Device and method for receiving RF signals based on heterodyne architecture using complex IF subsampling  
An RF signal reception device including: a transposition device of signals of frequency fRF to a first intermediate frequency IF1
8664933 Frequency measuring apparatus  
A frequency measuring apparatus includes: a counter section adapted to count a signal including a pulse signal for a predetermined time period, and output a binary count value corresponding to a...
8653808 Method for frequency detection and detecting variation of frequency  
Method for frequency detection and detecting variation of frequency is disclosed. The method comprises the following steps. First of all, a pointer is provided over an electromagnetic position...
8648622 Method and device for monitoring a frequency signal  
A method for monitoring a frequency signal provided within a unit is disclosed. The method comprises a step of receiving one or more binary signal levels of a cycle signal (CLK) or a control...
8638088 Load detection for switched-mode power converters  
In one embodiment, a method for detecting a load in a switched-mode power converter is provided. The switched-mode power converter includes high and low-side power switches which are configured to...
8575914 ***WITHDRAWN PATENT AS PER THE LATEST USPTO WITHDRAWN LIST***
Frequency measuring apparatus
 
A frequency measuring apparatus includes: a counter section adapted to count a signal including a pulse signal for a predetermined time period, and output a binary count value corresponding to a...
8508213 Frequency measurement device  
A frequency measurement device for measuring a frequency of a signal to be measured including a pulse signal, includes: a signal multiplier section that multiplies the signal to be measured by n...
8497672 Acceleration sensor  
The present embodiments provide an acceleration sensor, which enables highly accurate detection and has an extremely compact size. The acceleration sensor of the present embodiments is provided...
8466689 Methods and systems for monitoring capacitor banks  
A method of monitoring a capacitor bank comprising a plurality of capacitor strings connected in parallel, each capacitor string comprising a plurality of capacitors connected in series is...
8461821 Frequency measuring apparatus  
A frequency measuring apparatus includes: a high-order digit calculation section adapted to measure an input signal and output a high-order digit value of a frequency value of the input signal; a...
8384372 Non-linear electrical actuation and detection  
A method and system is disclosed to detect and analyze an electric signal based on movement between an element and a counter electrode influenced by a nonlinear electric field produced by an...
8275334 Remote detection of electronic devices  
An apparatus and method for detecting solid-state electronic devices are described. Non-linear junction detection techniques are combined with spread-spectrum encoding and cross correlation to...
8269480 Method and apparatus for identifying and reducing spurious frequency components  
A method for identifying and reducing spurious frequency components is provided. A method in accordance with at least one embodiment of the present disclosure may include generating a digital...
8169236 Frequency detection mechanism for a clock generation circuit  
A frequency detection mechanism for a clock generation unit on an integrated circuit includes a clock generation unit and a detection unit. The clock generation unit may generate an output clock...
8125250 Frequency detection mechanism for a clock generation circuit  
A frequency detection mechanism for a clock generation unit on an integrated circuit includes a clock generation unit and a detection unit. The clock generation unit may generate an output clock...
8081003 Circuit arrangement with a test circuit and a reference circuit and corresponding method  
Implementations are presented herein that include a test circuit and a reference circuit.
7982451 Sensing instrument  
In adopting a structure in which an oscillator circuit unit and an instrument main body including a measuring unit are separately formed in a sensing instrument measuring the concentration of or...
7933559 RF test chamber  
A system for testing radio frequency (RF) communications of a device capable of such communications is provided. The system includes a chamber for isolating the device from RF interference, an...
7900098 Receiver for recovering and retiming electromagnetically coupled data  
In one embodiment, the present invention includes a system having an electromagnetic coupler probe to electromagnetically sample signals from a device under test or a link under test and a...
7855545 Sinusoidal modulated signal clarification tool using various oscillator systems  
A sinusoidal modulated signal and noise are applied to a system consisting of two oscillators of the so-called General Type, which can be, but are not limited to, the Van der Pol type, Rotator...
7847597 Precision frequency change detector  
A frequency change detector splits a frequency standard signal into two undelayed frequency signals, one of which is delayed by a predetermined amount. The delayed signal is then mixed with the...
7795858 Methods and apparatus for computing and using a spectral map for performing nonlinear calibration of a signal path  
In one embodiment, a spectral map for performing nonlinear calibration of a signal path is developed by 1) identifying a set of frequency locations for a set of particular output signal spurs that...
7750618 System and method for testing a clock circuit  
A test circuit determines whether a frequency of an output clock signal of a clock circuit is above an output threshold frequency. An input clock signal of the clock circuit is set to an elevated...
7701239 Detection circuit  
A detection circuit includes: a control signal updating circuit configured to update a digital control signal for controlling drive of a sensor based on a clock having a predetermined frequency; a...
7692419 Method and apparatus for enhanced frequency measurement  
A system and method for enhanced frequency measurement. Embodiments provide an effective mechanism for reducing error associated with frequency measurements by amplifying the frequency of the...
7650248 Integrated circuit for in-system signal monitoring  
In-system signal monitoring using an integrated circuit such as a programmable logic device is described. An analog-to-digital converter is disposed in the programmable logic device. A sampling...
7605805 Electrical touch sensor and human interface device using the same  
An electrical touch sensor is provided. The electrical touch sensor includes: a touch detection part having at least one touch pad and generating a first signal having a same delay time regardless...
7598723 Method and apparatus for detecting resonance in electrostatically driven elements  
A method and system is disclosed that can be used to directly detect and analyze an electric signal electrostatically induced a semi-conductive or conductive element at resonance. Through...
7567877 System and method for computing the frequency of a low frequency wave  
The present invention provides a system for computing the frequency of a low frequency wave. The system includes: a wave producer (3) configured for sending out a first wave with a high frequency;...
7429896 Frequency stability measuring apparatus  
A frequency stability measuring apparatus for measuring a frequency fluctuation of a signal outputted from a given signal source includes: a reference signal output unit that outputs a reference...
7426368 Satellite broadcasting converter, control circuit incorporated therein, and detector circuit used in such control circuit  
In a broadcasting satellite converter adapted to be connected to a BS tuner and fed with a power supply voltage signal from the broadcasting satellite tuner, a receiver circuit includes a mixer,...
7298130 Signal detector  
A circuit for detecting whether an intermittent clock waveform signal of 50 MHz is received or not includes an offset receiver, a charge pump, a capacitor and a hysteresis comparator. A circuit...
7272078 Efficient clock calibration in electronic equipment  
A representative measurement indicating a relative oscillation speed of a reference clock during a representative calibration period is ascertained. Multiple calibration periods are defined...
7113877 Signal detection  
A method, apparatus, and system for detecting a signal of interest. According to some embodiments, a power of a frequency component of a signal is determined. The power is accumulated for a first...
7062164 Detection of data transmission rates using passing frequency-selective filtering  
A data receiver, which could be an optical transceiver, a modem, a router hub, is capable of detecting the transmission rate of incoming data. The data is converted to electrical waves appropriate...
7043383 Frequency error detection apparatus and method based on histogram information on input signals  
A frequency error detection apparatus and method based on histogram information of an input signal. The apparatus includes an A/D converter for and converting an analog signal into digital values;...
7003262 Method and device for determining sideband ratio of superconduction mixer using comb generator  
The present invention provides a method and device for determining the sideband ratio of a superconducting mixer using a comb generator. The method includes the steps of: (a) tentatively adjusting...
6979995 Frequency measuring circuit and resonant pressure sensor type differential pressure/pressure transmitter using the frequency measuring unit  
A time difference signal having a pulse width corresponding to the time difference between an output of a resonant pressure sensor and a reference clock is prepared. The pulse width of the time...
6867599 Load-pulled measurement with reference circuit  
A load-pulled oscillator system in which the oscillator is switched between a distributed measurement section, coupled to a material being monitored, and a constant lumped reference load.
6868135 Method and apparatus for correcting for a phase shift between a transmitter and a receiver  
A method and apparatus for correcting for a phase shift between a transmitter and receiver comprising the steps of: a) transmitting a signal from a transmitter (14);b) receiving the transmitted...
6842049 Method of and apparatus for detecting difference between the frequencies, and phase locked loop circuit  
An apparatus for detecting a difference between frequencies includes a beat waveform generator which generates a beat waveform signal having a frequency which is equal to a difference between...
6806698 Quantifying a difference between nodal voltages  
A method and apparatus that uses the difference between two nodal voltages, such as a temperature-independent voltage and a temperature-dependent voltage, to determine the actual temperature at a...
6788044 Frequency change measuring device  
A frequency change measuring device includes frequency divider for frequency dividing a measuring signal to produce frequency-divided signals, first counter for counting the frequency-divides...
6738269 Line linkage protective device for electricity generation equipment  
A device includes a governor for controlling the frequency of the generator of a private power generation equipment, function generating means having a function characteristic for detecting the...
6717282 Combined motor and generator dynamometer system  
A turboshaft or shafted engine, as used in helicopter, aircraft, locomotive, marine engines, and the like, is tested in accordance with a routine maintenance schedule. The turboshaft is drivingly...

Matches 1 - 50 out of 318 1 2 3 4 5 6 7 >