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Data Processing: Measuring, Calibrating, Or Testing > Measurement System In A Specific Environment > Electrical Signal Parameter Measurement System > Waveform Analysis > Frequency FrequencyFrequency patent applications listed are from June 2005 to current and include Date, Patent Application Number, Patent Title, Patent Abstract summary and are linked to the corresponding patent application page.12/07/06 - 20060276984 - Method for determining internal pressure of a vehicle tyre Disclosed are different processes for the determination of the internal pressure, particularly of the minimum pressure of the tire of a motor vehicle during driving operation, through an analysis of the characteristic vibration behavior of the wheel, whereby the standardized amplitude is determined from the vibration spectrum determined and the ... 11/23/06 - 20060265160 - Arrangement for monitoring a frequency converter An arrangement and method for monitoring a frequency converter, said frequency converter being a voltage-controlled PWM frequency converter provided with a control unit (12) and having an uncontrolled or a mains-frequency controlled mains bridge (10) connectable to an alternating-current source (UL1, UL2, UL3), a direct-voltage intermediate circuit and a controlled ... 10/19/06 - 20060235634 - Method for operating a measuring instrument A method for operating a measuring instrument whose measuring operation is clocked at a measuring frequency. The measured data acquired in the measuring operation are subjected to a frequency analysis and the measuring frequency is automatically controlled as a function of the frequency spectrum thus acquired. In this fashion a ... 09/21/06 - 20060212241 - Rfid tag imager In one embodiment, a system for obtaining an image of an RFID tag comprising a transponder and a tag antenna is provided, the system comprising: a plurality of inductors, each inductor being associated with a capacitor to form a resonant tank circuit, wherein each resonant tank circuit has a first ... 08/31/06 - 20060195279 - Method and system for the detection and/or removal of sinusoidal interference signals in a noise signal A method and a system for the detection and/or removal of sinusoidal interference signals in/from a noise signal transforms a measured signal (x(t), x(μ·Δt)) composed of a limited number of sinusoidal interference signals (Ak·ej(ωkt+φk), Ak·ej(μ·ωkΔt+φk)) and a white noise signal (w(t), w(μ·Δt)) into a subspace containing its white noise components ... 08/24/06 - 20060190201 - Derivation of composite step-function response where ω0 is the initial frequency and Fs is the sample rate frequency. For reduction in calculation expense an impulse response segment is calculated over a narrow range of data about each reflection event. The resulting estimated impulse response is accumulated to produce the composite step response for the band ... 07/27/06 - 20060167641 - Terahertz detection using a multi-mode signal A technique for generating and detecting an EM signal in the THz range involves generating EM energy having multiple modes, selecting at least two of the modes of the EM energy to provide a multi-mode EM signal, subjecting the multi-mode EM signal to mixing, and isolating a beat signal component ... 07/13/06 - 20060155491 - Frequency determination Simple conventional frequency measurement circuits comprise two counters as essential elements. In such counters a problem may occur that the count value has a relative error of ±1/N, corresponding to the measurement interval. According to the present invention, pairs of intermediate count values of the counters are used to estimate ... 06/22/06 - 20060136157 - Dynamic cut-off frequency varying filter A method and apparatus are disclosed. The apparatus includes a store of at least one historical sensor measurement, a store of potential cut-off frequencies, and a filter. Each potential cut-off frequency is associated with a respective potential difference between a sensor measurement and the stored historical sensor measurement. The filter ... 06/01/06 - 20060116834 - Test method and test apparatus for digital-analog converter A cyclic pattern data is input into a digital-analog (DA) converter that converts predetermined digital data into analog data. The cyclic pattern data has a symmetrical waveform when output from the DA converter. Even-numbered high harmonic components 2f0, 4f0 with respect to a fundamental frequency f0 of the cyclic pattern ... 04/20/06 - 20060085151 - Motor control device A technique for smoothly speed-controlling a speed of a motor whose time constant is relatively small, such as a supersonic motor, under a relatively rough speed control profile and a simple configuration is disclosed. According to this technique, a frequency division number calculating section 1 changes a division number A ... 02/23/06 - 20060041395 - System and method for integrating environmental sensors and asynchronous ubication repeaters forming an n-point spatially random virtual lattice network A system for integrating environmental sensors and asynchronous ubication repeaters forming an n-point spatially random virtual lattice network (100) includes a ubication repeater (101) for communicating both positional and environmental information to a two-way radio transceiver (102) used by police or firefighters. The ubication repeater (101) initially determines its position ... 02/09/06 - 20060031034 - Frequency alignment acceleration control for a motor Method and apparatus for accelerating a multi-phase motor having a rotatable rotor are disclosed. The method incorporates use of a motor control circuit to predict a subsequent loss of frequency lock between the motor control circuit and a motor while the motor control circuit and the motor remain frequency locked, ... 08/18/05 - 20050182578 - Dynamic voltage controller The present invention relates to processing apparatus utilizing dynamic scaling of voltage (DVS), and in particular although not exclusively to a controller for such apparatus. The invention is especially applicable to software defined radio (SDR), but is not so limited and may be applied to other re-configurable electronic systems. The ... 08/04/05 - 20050171714 - Position sensor A low cost x-y digitising system is described for use in consumer electronic devices, such as portable digital assistants, mobile telephones, web browsers and the like. The digitiser includes a resonant stylus, an excitation winding for energising the resonant stylus and a set of sensor windings for sensing the signal ... 06/23/05 - 20050137815 - Digital frequency measurement system and method with automatic frequency control A digital frequency measurement system including first and second digital differentiators responsive to first and second digital quadrature signals representative of first and second quadrature modulated input signals that represent binary data having a center frequency equal to a predetermined IF frequency for generating first and second differentiated signals, first ... ### FreshPatents.com Support |