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Document Title 

6735607 
Transparent data access and interpolation apparatus and method therefor
An apparatus (20) and method (22) for transparently accessing and interpolating data are provided. Consecutive data values (24) of a function are generated and indexed. Evenindexed data values... 

6718253 
Method for forming an actuating variable
A method for forming an actuating variable to be output periodically by a control unit in output periods for controlling an apparatus, in particular the ignition or fuel injection of internal... 

6711597 
Interpolation method using preemphasized input samples
A method for producing a plurality of successive output data values defining an output curve that approximates an input curve defined by a plurality of input sample values, the output data values... 

6704758 
Interpolation method for smooth convergence correction
A method for generating a convergence correction curve from a plurality of successive output data values determined from a plurality of input sample values smaller in number than the plurality of... 

RE38427 
Linear interpolation operator
A linear interpolation operator for determining the value y of a function of x when one knows the value y1 corresponding to x1, and a value y2 corresponding to x2 (where x2


6606047 
Methods and apparatus for estimating clipped samples during analog to digital conversion
A circuit, for digitizing an analogue signal includes an analogue to digital converter, a clip processor adapted to estimate a value for clipped digital signal samples, and a buffer adapted to... 

6567831 
Computer system and method for parallel computations using table approximation
A method optimizes function evaluations performed by of a VLIW processor through enhanced parallelism by evaluating the function by table approximation using decomposition into a Taylor series. 

6526428 
Method and apparatus for determining interpolated intermediate values of a sampled signal
A method and apparatus determines interpolated intermediated values of a sampled signal. In order to determine interpolated intermediate values of a sampled signal, such as a digital mobile radio... 

6510442 
System and method for improved digital differential analyzer
A digital differential analyzer (DDA) is described that avoids using comparisons, and instead uses shifts, multiplies, and adds. Shifts are less costly to use in terms of processor time, and... 

6453330 
Highprecision bilinear interpolation
A circuit is provided for performing a highprecision bilinear interpolation operation. The circuit includes a first interpolation operator for interpolating two operands representing a pair of... 

6351757 
Method for conserving memory storage during an interpolation operation
A method for conserving memory storage during the execution of a interpolation operation uses a pool of interpolation commands. When a interpolation operation is requested, it is performed using... 

6337992 
Predictive bolus tracking
A method for determining a time for acquiring contrastenhanced images from a CT scanner of a subject into whom a contrast medium has been injected, the method including: identifying a region of... 

6321245 
Method and system for performing fast division using non linear interpolation
The present invention discloses a method and a system for performing fast division using non linear interpolation. A storage stores xaxis and yaxis coordinates (X0, Y0) of a plurality of non... 

6307900 
Method and apparatus for recovering digital data by employing asynchronous data sampling techniques
A digital data detection system, equipped with an interpolation apparatus, for generating decoded data by detecting information stored on a magnetic storage medium by interpolating sampled data... 

6278747 
Method and apparatus for performing digital detection of data stored on an optical medium
A method and apparatus for detecting data written on a recording medium are disclosed. The recording medium, such as an optical or magnetic medium, is initially sensed by a transducer to produce... 

6256653 
Multifunction bipartite lookup table
A multifunction lookup table for determining output values for predetermined ranges of a first mathematical function and a second mathematical function. In one embodiment, the multifunction... 

6255866 
Digital phase analyzer and synthesizer
A digital phase synthesizer includes a source of successive phase data signals. An interpolator generates successive edge placement data signals in response to each of the successive phase data... 

6249766 
Realtime downsampling system for digital audio waveform data
A downsampling system for digital waveforms performs realtime, "on the fly", conversions and results in data of acceptable quality for many applications including applications dealing primarily... 

6230177 
Method and apparatus for performing fast fourier transforms
The method and apparatus employ a texture filter in a graphics processor to perform a transform such as, for example, a Fast Fourier Transform. The texturizer can include an array of linear... 

6219464 
Source data interpolation method and apparatus
A method of generating an upsampled target pixel positioned between two lines of input source data includes the step of comparing pixels of different lines of the source data in a region... 

6199083 
Computer implemented method for interpolating a value corresponding to a point represented by binary coordinates
According to one approach, the present invention is embodied in a computer system and a computer implemented method for interpolating a color value for a pixel that is represented by a pair binary... 

6163786 
Digital interpolating system and method
A digital interpolating system transmits a digital output value that is within a linear range defined by a minimum value and a maximum value input into the system. Another input value, a control... 

6157937 
High speed interpolation circuit with small circuit scale
An interpolation circuit for calculating the value of an arbitrary point by interpolation using the values of points on the boundaries of a domain which surrounds the arbitrary point comprises a... 

6128637 
Arithmetic unit and operating method
Methods and systems consistent with the present invention provide an arithmetic unit, which uses a high speed yet small circuit, using a highly precise method for numerical interpolation that uses... 

6108679 
Discontinuous signal interpolation circuit
An input phase signal having a presentation range from 0 radian to a value smaller than 2π radian is input to a least significant side shift register 11 and to a discontinuity detector 3. The... 

6073151 
Bitserial linear interpolator with sliced output
Delayed versions of a bitserial input sequence are created. When the interpolation involves scaled versions of the input sequence, scaled versions of the input sequence are produced. The... 

6061410 
Frequency ratio estimation arrangement and method thereof
A communication system includes a data sampling rate converter that uses a closedloop control arrangement to convert an input signal at a first sampling rate to a second, asynchronous, sampling... 

6018597 
Method and apparatus for changing or mapping video or digital images from one image density to another
A method and apparatus for resizing digital or stored images initially retrieves a onedimensional sample of the image, such as a line of pixels. A final image size D is determined so that the... 

5999719 
Ion implantation process simulation device realizing accurate interpolation of ion implantation profiles and simulation method therefor
An ion implantation process simulation device includes a Dual Pearson data extracting unit for generating a Dual Pearson data table from ion implantation profile data, a Dual Pearson data for... 

5969284 
Music apparatus using boolean and numerical parameters settable by manipulator
A parameter setting apparatus is provided in an electronic music instrument for editing a configure of parameters in accordance with a manipulation amount to set a tone generator which creates a... 

5951625 
Interpolated lookup table circuit
An interpolated lookup table circuit includes an input port for receiving an input signal having a first plurality of bits (N bits) including a first portion (Q bits) and a second portion (NQ... 

5949695 
Interpolator using a plurality of polynomial equations and associated methods
An interpolator includes: a first quadratic coefficient generator for generating a first coefficient set fitting a first quadratic equation to input samples y0, y1 and y2 at x1, x0, and x1,... 

5935198 
Multiplier with selectable booth encoders for performing 3D graphics interpolations with two multiplies in a single pass through the multiplier
A multiplier array is modified to perform interpolations. The interpolations use a normalized first operand A between 0 and 1. The interpolation is the function B * A+C * (1A). Standard... 

5937010 
Sample interpolator and method of generating additional samples of a sampled waveform using a programmable sample divider
A programmable digital modulator and methods of modulating digital data for transmission by a communication system according to operating parameters selected for various applications are provided.... 

5925093 
Sampling frequency converting apparatus
A sampling frequency converting apparatus according to present invention is such an apparatus in which, when a first digital signal of a sampling frequency Fsi is converted into a second digital... 

5922043 
Reduced hardware linear interpolator
A linear interpolator for determining a weighted average between first and second terms having first and second weights, respectively. The linear interpolator includes a first multiplier for... 

5920494 
Method and device for varying interpolation factors
A method and device for varying interpolation factor of at least one positiondependent, periodic signal in a position measurement system. The method and device allows switching between one of a... 

5918202 
Electric interpolating apparatus and position information detecting apparatus using such apparatus
An interpolating process is performed on an input periodic signal using at least one first circuit board and a second board. Each first circuit board includes a partial circuit for performing the... 

5917734 
Parallel decimator method and apparatus
A decimation device has a sampler, a memory and an adder in the decimation stage. The sampler and the adder from a partial sample for storage in the memory at a sample time. At a next sample time... 

5898878 
Data processing system having capability to interpolate processing coefficients
A method and apparatus is provided for generating an interrupt signal in a data processing system, the interrupt signal being supplied to a control processor of the system to indicate the... 

5892348 
Matrix interpolation
A method of memory matrix interpolation in an ASIC processor requires a reduced amount of program code and memory space in the interpolation routine by shifting values in the interpolation routine... 

5886911 
Fast calculation method and its hardware apparatus using a linear interpolation operation
The present invention relates to a fast calculation method and, more particularly, to a fast calculation method and its hardware apparatus using a linear interpolation operation. Primarily, the... 

5883821 
Data transformation system performing data transformation employing interpolating operation
A simplified arithmetic expression is used deed upon a divided segment in an interpolating solid body to be used for an interpolating operation, where an objective point for interpolation is... 

5880980 
Distributed decimation sample rate conversion
A system for decimating a source signal with a source sample rate by a noninteger factor to a sink signal with a sink sample rate is disclosed. The system first determines a decimation factor... 

5862063 
Enhanced wavetable processing technique on a vector processor having operand routing and slot selectable operations
An apparatus and a method for massaging audio signal perform interpolation, dynamic filtering, and panning on the audio signal represented as a matrix of input values. In the interpolation... 

5850227 
Bit map stretching using operand routing and operation selective multimedia extension unit
A routable operand and selectable operation processor multimedia extension unit is employed to stretch pixel bit images in a video system using an efficient, parallel technique. For a series of... 

5844139 
Method and apparatus for providing dynamically variable time delays for ultrasound beamformer
A phased array sector scanning ultrasonic system includes a separate receive channel for each respective element in an ultrasonic transducer array. Each receive channel imparts a delay to the echo... 

5831193 
Method and device for forming a tone waveform by combined use of different waveform sample forming resolutions
The number of waveform samples per unit time, i.e., waveform sample forming resolution is variably set depending on characteristics of a tone to be generated, such as construction of harmonic... 

5817964 
Electronic musical instrument and method for storing a plurality of waveform sampling data at a single address
Waveform memory (12) stores a plurality of consecutive waveform sampling value data at a single address. Even when some waveform sampling values are skipped in a process of reproducing a musical... 

5815419 
Data interpolating circuit
The present invention provides a data interpolating circuit for npoint data interpolating between two digital data signals. This data interpolating circuit comprises a first hold circuit Y0 for... 