171559 ⎘
Arrangements for measuring frequencies; Arrangements for analysing frequency spectra Arrangements for measuring frequency, e.g. pulse repetition rate; Arrangements for measuring period of current or voltage
Determining a phase and a frequency of an electric quantity of an operating electrical device
#302Electric circuit evaluation method
#303Method for measuring the frequency of an electrical signal and an electrical measuring system
#304Frequency detection apparatus with internal output voltage which changes along with input signal frequency
#305MEASURING APPARATUS, MEASURING METHOD, AND MEASURING PROGRAM
#306Handling resonances in a power transmission system
#307Semiconductor device and measurement method
#308Frequency Adaptive Line Voltage Filters
#309Clock amplitude detection
#310Method for the rapid interrogation of a passive sensor, in particular of the surface acoustic waves type, and system for measuring the unique frequency of such a sensor
#311Multi-tunable superconducting circuits
#312Measurement and modulation in real time of the electrical consumption of a plurality of electrical appliances
#313Apparatus and method for detecting frequency
#314Method for Estimating Frequencies and Phases in Three Phase Power System
#315Nonlinear system identification for optimization of wireless power transfer
#316Transformer based sensor arrangement
#317METHOD AND DEVICE FOR DETECTING ISOLATED OPERATION OF POWER GENERATION INSTALLATIONS
#318Nonlinear system identification for optimization of wireless power transfer
#319Condition monitoring by cross-correlation of switching-mode power supplies
#320QUANTIFYING SILICON DEGRADATION IN AN INTEGRATED CIRCUIT
#321Nonlinear system identification for optimization of wireless power transfer
#322Nonlinear system identification for object detection in a wireless power transfer system
#323System and method for verifying the operating frequency of digital control circuitry
#324State monitoring or diagnostics system
#325DETERMINING HIGH FREQUENCY OPERATING PARAMETERS IN A PLASMA SYSTEM
#326Duty cycle detecting circuit for pulse width modulation
#327SYSTEM AND METHOD FOR MONITORING AC RIPPLE
#328Integrated circuit comprising frequency change detection circuitry
#329Measurement apparatus and measurement method
#330Frequency determination circuit and method
#331PIEZOELECTRIC RESONATOR, ETCHING AMOUNT DETECTING DEVICE, AND OSCILLATOR
#332System and method for power supply testing
#333Method for obtaining electric power information
#334ALTERNATING-CURRENT ELECTRICAL QUANTITY MEASURING APPARATUS AND ALTERNATING-CURRENT ELECTRICAL QUANTITY MEASURING METHOD
#335Timing-drift calibration
#336INFERRING THE PERIODICITY OF DISCRETE SIGNALS
#337Reference-less frequency detector
#338Dynamic characterisation of amplifier AM-PM distortion
#339Electric potential measuring apparatus
#340Frequency difference calculation circuit, a satellite signal receiving apparatus and frequency difference calculation method
#341Oscillation circuit, integrated circuit, and abnormality detection method
#342System and method for verifying the operating frequency of digital control circuitry
#343Domain identification and separation for precision measurement of waveforms
#344Method and arrangement for frequency determination
#345Digital circuit and method for measuring AC voltage values
#346Frequency mask trigger with non-uniform bandwidth segments
#347PULSE WIDTH MODULATED VOLTAGE MEASURING CIRCUIT AND METHOD
#348CABINET WITH TAMPER DETECTION SYSTEM AND METHOD
#349System and method for ground fault detection and fault type evaluation
#350Battery test circuit with energy recovery
#351Displacement tamper sensor and method
#352Signaling circuit and method to detect zone status
#353Latching over-current protection circuit and method
#354Current meter
#355Current measurement
#356Digital implementation of a tracking filter
#357FINE FREQUENCY OFFSET ESTIMATION METHOD AND APPARATUS
#358Method for suppression of spurs from a free running oscillator in frequency division duplex (FDD) and time division duplex (TDD) wireless systems
#359Frequency measuring and control apparatus with integrated parallel synchronized oscillators
#360Frequency judgment device, voltage comparator circuit, and frequency measurement device
#361High resolution capture
#362Reference-less frequency detector
#363High frequency interconnect structures, electronic assemblies that utilize high frequency interconnect structures, and methods of operating the same
#364METHOD OF SUBSYNCHRONOUS RESONANCE DETECTION
#365Apparatus and method for real time harmonic spectral analyzer
#366System and method for detecting a fundamental frequency of an electric power system
#367Method and system for determining parameters of sinusoidal signals
#368DF/dT trigger system and method
#369Method and device for monitoring the state of a network
#370Complex adaptive phase discriminator
#371Duty factor probing of a triac-based dimmer
#372System and method for frequency measurement based on quadratic forms
#373Bulk acoustic wave resonator sensor
#374Phase measuring device and frequency measuring device
#375Method and arrangement for estimating angular frequency
#376Digital implementation of a tracking filter
#377Differential target antenna coupling (DTAC)
#378METHOD AND APPARATUS FOR DIRECT RF TO DIGITAL CONVERTER
#379Frequency measuring apparatus
#380Spectral analysis and FMCW automotive radar utilizing the same
#381Plasma supply device
#382System and method for power supply testing
#383Driving switches of a plasma load power supply
#384Protecting high-frequency amplifers
#385Determining high frequency operating parameters in a plasma system
#386Method and apparatus for detecting clock frequency deviation
#387Reducing the ringing of actuator elements in ultrasound based health monitoring systems
#388Frequency measurement apparatus
#389METHOD OF INSTANTANEOUSLY DETERMINING OR ESTIMATING THE FREQUENCY OR AMPLITUDE OF AN INPUT SIGNAL
#390Methods and systems for determining a received signal frequency
#391Duty cycle detecting circuit for pulse width modulation
#392Method for ascertaining a mains frequency in a voltage signal, and mains analyzer
#393Isolating a control signal source in a high frequency power supply
#394RF power supply
#395Plasma supply device
#396High frequency power supply
#397Radio frequency power supply
#398METHOD AND SYSTEM FOR DETERMINING FREQUENCY
#399Method and an apparatus for frequency measurement
#400Apparatus and method for measuring pulse rate
#401System and method for measuring resonance frequencies of quantum sensor based on multi-photon excitation
#402Frequency measurement for load shedding and accurate magnitude calculation
#403System and method for very low frequency detection of an event signature
#404Systems and method for noise-cancellation
#405Aging-sensitive recycling sensors for chip authentication
#406Systems and methods for wirelessly transmitting power and data from an active headpiece to a cochlear implant
#407Control algorithm for power electronics based on time durations
#408Load pull method for transistors driven by modulated signal
#409Systems and methods for analog to digital converter failure identification
#410Aging-sensitive recycling sensors for chip authentication
#411Method and system for performing vector spectral measurements of a radio frequency (RF) signal having a repetitive waveform
#412Wide-range fast-lock frequency acquisition for clock and data recovery
#413Frequency extension module for microwave and millimeter wave spectrum analyzers