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7630327 |
Method for data maintenance and integration including interpolation
A system and method of managing collection and maintenance of performance data for a wireless communications network including collecting configuration data for the network, encoding the collected...
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7608468 |
Apparatus and methods for determining overlay and uses of same
Disclosed are techniques and apparatus are provided for determining overlay error or pattern placement error (PPE) across the field of a scanner which is used to pattern a sample, such as a...
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7556423 |
Temperature sensor bow compensation
The output of a solid-state temperature sensor is the ratio of a voltage proportional to a reference voltage. The solid-state temperature sensor used diodes in its sensing and reference circuits,...
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7536264 |
Balancing net inventory using a dynamic expansion coefficient of liquid product relative to temperature changes
Disclosed are methods, systems, and computer program products for balancing net inventory using a dynamic expansion coefficient of liquid product relative to the temperature changes with density....
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7519492 |
Apparatus and method for fully automated closed system quality control of a substance
The present invention provides an apparatus and method for automated quality control of a substance comprising a compartment wherein a substance is located, a monitoring device coupled to the...
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7483802 |
Linearisation apparatus
A method of linearising a non-linear opto-electronic apparatus that includes an opto-electronic Mach-Zehnder modulator that receives an incoming electrical signal for modulating a light signal...
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7460983 |
Signal analysis system and calibration method
A method and apparatus adapted to calibrate a signal path of a signal analysis system such that loading effects of the system are substantially removed from measurements of a device under test. A...
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7444252 |
Linearizer circuit
A linearizer circuit which corrects inherent nonlinearity of a capacitive pressure sensor is provided. The linearizer is based on an operational amplifier configuration including a feedback network...
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7438056 |
Method for setting initial compensation value in sensor complex module
A method for setting an initial compensation value of a sensor complex module, the method including the steps of: reading a preset sensitivity value and an offset; detecting an acceleration value;...
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7398411 |
Self-calibrating time code generator
Provided is a self-calibrating time code generator and method for generating an accurate time code (e.g., an accurate IRIG waveform). The self-calibrating time code generator includes a...
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7380564 |
System and method for a mass flow controller
A system and method for controlling a mass flow controller to have a constant control loop gain under a variety of different types of fluids and operating conditions, and for configuring the mass...
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7379831 |
Error correction in an oversampled ADC using few stored calibration coefficients
An analog-to-digital converter (ADC) exhibiting an uncorrected non-linear transfer function receives measured analog voltage amplitudes and outputs uncorrected digital values. A calibration circuit...
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7373266 |
Sensor calibration using selectively disconnected temperature
Calibration of a sensor circuit that includes a sensor, a temperature measurement circuit and a signal processing path. The sensor senses a physical parameter to be measured and generates an...
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7356424 |
Diagnostic compiler for pipeline analog-to-digital converter, method of compiling and test system employing the same
The present invention is directed to a diagnostic compiler for use with a pipeline analog-to-digital converter (ADC) having code sequences corresponding to stages thereof. In one embodiment, the...
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7277802 |
Method and system for providing a linear signal from a mass flow transducer
A method and system for providing a linear signal from mass flow transducer approximates the error from the original raw signal using discrete sine functions and subtracts the approximated error...
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7246023 |
Flexible process optimizer
A flexible process optimizer for recording and analyzing various parameters to improve the efficiency of a production process. The flexible process optimizer acquires and conditions signals from a...
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7161511 |
Linearization system and method
A system for training a linearization compensation model includes a tone generator for providing at least two different RF tones, receiver path components for processing the RF tones, an...
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7158903 |
Methods for quantitative analysis by tandem mass spectrometry
The present invention provides methods for high throughput analysis of analytes in complex mixtures for unresolved chromatographic peaks including specific embodiment for summing intensities for...
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7148704 |
Charge transfer capacitive position sensor
The position of an object, which may be a user's finger, along a body is sensed capacitively. A measurement circuit meters the simultaneous injection of electrical charge into the two ends of the...
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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...
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7120550 |
Radio-frequency identification circuit oscillator calibration
According to one aspect of the present invention, there is provided a method of calibrating an oscillator within a radio-frequency identification (RFID) circuit for use in an RFID tag. A plurality...
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7117109 |
Procedure for processing measuring data and device to perform the process
A method for processing measuring data and a device to perform the method, wherein the measuring data can be determined by using a measurement system, more particularly a chromatographic analyzing...
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7114368 |
Apparatus and method for verifying the volume of liquid dispensed by a liquid-dispensing mechanism
An apparatus for improving the procedure for quantifying the volume of liquid dispensed by a liquid-dispensing mechanism of an analytical instrument. The apparatus of this invention comprises (a)...
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7110901 |
Correction method for sensor output
Above a measuring object ( 2 ), an LEDs ( 4 ) for use in light irradiation and a CMOS area sensor ( 8 ) with an image-forming lens ( 6 ) interpolated in between are installed. In order to detect...
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7106806 |
Reducing distortion of signals
A predistorter ( 26 ) comprises an array ( 44 ) of band pass filters ( 46 to 52 ) which divide an input signal into components. Each of the components is manipulated using coefficients retrieved...
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7092833 |
Method and circuit for linearizing nonlinear curves
A method for linearizing a nonlinear curve with a linearization circuit ( 1 ), wherein the curve represents the relationship between input signals and output signals of a sensor. An output signal (...
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6795785 |
Testing linearity of methods of chemical analysis
A method for testing the linearity or non-linearity of an actual analyte concentration and a test result, where the actual concentration of the analyte and a test result are determined so that a...
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6772079 |
Method and apparatus for equalization of a signal acquisition system
In a signal acquisition system in accordance with the principles of the present invention, a digital signal acquisition system includes a front end, an equalizer and an output system. The front end...
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6744389 |
A/D-converter with lookup table
The A/D-converter with optional analog preprocessing comprises two analog inputs (I 1 , I 2 ), wherein a converter ( 1, 2 ) is connected to each input for generating a first and a second digital...
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6735535 |
Power meter having an auto-calibration feature and data acquisition capabilities
A power meter is provided having an auto-calibration feature and a data acquisition node for measuring the power usage and power quality of electrical power in an electrical power distribution...
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6721939 |
Electron beam shot linearity monitoring
Electron beam (e-beam) shot linearity monitoring is disclosed. A pattern is written that has a predetermined size and a predetermined form in a predetermined position on a substrate, such as a...
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6711516 |
Method for calibrating spectrophotometric apparatus
Described is a method for calibrating a spectrophotometric apparatus. This method involves obtaining a first set of absorbance measurements of a set of calibrators on a First Apparatus that is in...
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6687635 |
Apparatus and method for compensated sensor output
A compensated sensor includes a sensor, a relatively fast feedthrough path, and a relatively slow compensation path. The relatively fast feedthrough path includes a summer and output circuitry,...
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6650353 |
Method and system for focus control in imaging engine with spatial light modulator
A calibration system for a platesetter or imagesetter is applicable to systems that have a media drum and a carriage, including a light source and a spatial light modulator for selectively exposing...
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6564158 |
Broadband electromagnetic field component measurement system
Apparatus and method having a probe and readout for taking electromagnetic field measurements by acquiring raw data and linearizing the data either during processing or after processing by using a...
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6549866 |
Digital electronic control unit
A digital electronic control unit that provides an efficient, miniature, reliable and cost-effective control mechanism for use in household and commercial appliances. It further is capable of...
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6532430 |
Method for determining a turbine pump RPM profile
A method is provided to determine an rpm profile for a turbine pump from pulse train data obtained from a sensor at the pump. The method eliminates ramp-up spikes from the pulse train by comparing...
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6483596 |
Method of calibrating an apparatus for producing a three-dimensional object, calibration apparatus and method and apparatus for producing a three-dimensional object
The invention refers to a method for calibrating the control of a radiation device producing electromagnetic radiation or particle radiation in a rapid prototyping system. The method comprises the...
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6477477 |
Extended base band multicarrier system
A method for linearizing an amplifier to produce an amplified output signal from a set of carrier frequencies is disclosed in which a set of digital baseband signals corresponding to the set of...
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6449571 |
System and method for sensor response linearization
A system and method for generating a linearized sensor signal p from a sensor signal m using a k th -degree polynomial The coefficients of the k th -degree polynomial can be calculated using a...
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6446019 |
Method and apparatus for calibrating analog sensor measurement
A method for calibrating analog sensor measurements within a computer system is disclosed. The method includes the steps of generating an analog sensor measurement result, reading at least two...
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6421615 |
Torsional vibration measuring instrument and torsional vibration measuring method
A torsional vibration measuring instrument which can be placed in a narrow space to measure the torsional vibration of a rotated object, is portable, avoids the possibility of occurrence of...
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6198296 |
Bridge sensor linearization circuit and method
A linearization circuit includes a sensor circuit having a first terminal receiving an excitation voltage, and second and third terminals producing a sensor output voltage therebetween. A...
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6188969 |
Multi-measurement method of comparing and normalizing assays
A computer-implemented statistical technique is provided for normalizing the response curves of multiple measurement methods. The end result is a group of response curves, one for each measurement...
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6052655 |
System for converting input/output signals where each amplifier section comprises a storage unit containing information items relating to an associated terminal end
A signal converter which receives signals from a plurality of sensor terminal ends to detect physical quantities in a plant and conducts a necessary correction for the signals to send the signals...
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5978743 |
Self-calibration method for a sensor
The method of self-calibrating for a sensor without using an additional device by using data sampling, an approximate value of linear errors obtained by performing the numerical integration of...
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5903855 |
Acceleration sensor
An acceleration sensor includes a sensing unit for detecting impact acceleration and a signal processing unit for measuring the magnitude of the detected acceleration. The signal processing unit...
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5832415 |
Method and apparatus for calibrating a control apparatus for deflecting a laser beam
In a method for calibrating the deflection control of a laser beam a light-sensitive medium (5) is exposed to a laser beam (2) at predetermined positions for generating a test pattern (20),...
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5815418 |
Continuous self-calibrating data acquistion system
A system for and method of compensating for performance differences in a set of information channels is disclosed. The system and method model each channel as linear and characterizes the channel...
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5764067 |
Method and apparatus for sensor signal conditioning using low-cost, high-accuracy analog circuitry
The present invention, generally speaking, provides for highly accurate correction of a sensor output using circuitry that is compact and inexpensive. In accordance with one embodiment of the...
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