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Document Title 

8339295 
Method and system for managing digital to time conversion
A method and system for managing Digital to Time Conversion (DTC) is provided. The method comprises receiving a first Radio Frequency (RF) signal and a second RF signal. The second RF signal is a... 

7809338 
Local oscillator with nonharmonic ratio between oscillator and RF frequencies using wideband modulation spectral replicas
A novel and useful apparatus for and method of local oscillator (LO) generation with noninteger multiplication ratio between the local oscillator and RF frequencies. The LO generation schemes... 

7778610 
Local oscillator with nonharmonic ratio between oscillator and RF frequencies using XOR operation with jitter estimation and correction
A novel and useful apparatus for and method of local oscillator (LO) generation with noninteger multiplication ratio between the local oscillator and RF frequencies. The LO generation schemes... 

7707235 
Freerunning numericallycontrolled oscillator using complex multiplication with compensation for amplitude variation due to cumulative roundoff errors
A method and apparatus for efficiently generating complex sinusoids of a desired frequency by multiplying a phasor by a predetermined value once every sampling interval, and using the highest... 

6518802 
Circuits and methods for generating an accurate digital representation of a sinusoidal wave
A numerically controlled oscillator that generates an accurate digital representation of a repeating waveform such as a sinusoidal wave. Based on the desired output frequency, multiple samples are... 

5519647 
Apparatus for and method of generating an approximation function
An apparatus (5) for generating an approximation function based on first pairs ((X1, Y1) to (X6, Y6)) of values associating a dependent variable (Y1 to Y6) with an independent variable (X1 to X6),... 

5495160 
Digital sine wave generator and motor controller
Digital sinusoidal waves are generated using a method based on an error measuring algorithm used to generate a synthesized circle. X and Y waves are generated stepwise to follow the contour of a... 

5341317 
Curvilinear approximation method
A method for approximately representing a first curve having anchor points and a control point, wherein the first curve is subdivided into a plurality of segments and an approximate curve is... 

4999797 
Method of and device for circle generation
A machineimplemented circlegeneration method calculates a sequence of coordinates (xn, yn) of points approximating a circle or circular arc according to the iterative formula: ##EQU1## or an... 

4866631 
Method for generating offset surface data
A method for generating offset surface data representing a tool path of a tool traversing patches which are mutually adjoining at boundary lines where there is no continuity of the osculating... 

4835722 
Curve generation in a display system
A curve generator for a display system with an arc generator has for generating an arc (10) of a circle (14) from data defining the locations of two end points P1 and P3 and an intermediate point... 

4789954 
Method for generating quadratic curve signal
Assuming that a given equation representing a quadratic curve is: F(x, y)=ax2 +bxy+cy2 +dx+ey+f=0,the method for generating quadratic curve signals repeatedly selects a point close to F (x, y)=0... 

4736201 
High speed image drawing method and apparatus therefor
The tangent α of the tangential line of an image to be drawn at each point in an orthogonal XY coordinate system is classified into two angle regions, a first angle region, where a condition... 

4692887 
Circle and circular arc generator
A circle and circular arc generator has a digital differential analyzer (DDA) for receiving coordinates on and a radius of a circle having its center at a specific point and for generating x and y... 

4604695 
Nibble and word addressable memory arrangement
Apparatus is provided for addressing a memory by word and by one of a number of nibbles within a word, with the ability to increment or decrement nibble and word addresses and thereby access... 

4493032 
Method and apparatus for positioning using circular interpolation
A method and apparatus are disclosed for providing very precise incremental motion of a numerically controlled machine tool, or other similarly controlled object, along a circularly arced path.... 

4484298 
Method and device for generation of quadratic curve signal
A method and system for generation of a quadratic curve signal expressed by f(x, y)=0 nonparametrically on coordinates X, Y, wherein, when linear microcoefficients in the directions x, y are... 

4371933 
Bidirectional display of circular arcs
An improved method and apparatus are disclosed for generating circular arcs of any arc length greater than zero up to and including a full circle of 360 degrees. The method and apparatus can... 

4314351 
Curvegenerating device for visual display of symbols on a cathoderay screen
The curvegenerating device serves in particular to produce signals relating to a circular line from simple algorithms. The device comprises means for computing a parameter ΔL defined by ##EQU1##... 

4272808 
Digital graphics generation system
A real time digital graphics display system is disclosed for generating circles, arcs and vectors. The system utilizes Taylor's formula to determine the successive coordinates of the points along... 

4240034 
Digital frequency synthesizer
A digital frequency synthesizer is disclosed wherein a series of binary level signals are produced, the level of such signals changing at a frequency related to a selected frequency f. The... 

4135424 
Variable function generator
A fully digitalized functionoftime generator suitable for use as a tone envelope generator in a digital electronic musical instrument, comprising: a clock pulse generator for generating a clock... 

4115863 
Digital stroke display with vector, circle and character generation capability
The digital stroke display generates vectors by applying clock pulses to an up/down counter which through a digitaltoanalog converter provides the deflection voltage for one of the display X or... 

4023027 
Circle/graphics CRT deflection generation using digital techniques
A system for generating respective X and Y beam deflection command signals as respective running binary counts in X and Y deflection counters utilizing digital computations based on the straight... 

3917932 
Generation of digital functions
A method and system for determining the advance of a curve to be created on an XY plane, wherein the distances X and Y between the current position of the curve and a specific point assumed in... 

3809868 
SYSTEM FOR GENERATING ORTHOGONAL CONTROL SIGNALS TO PRODUCE CURVILINEAR MOTION
A system for producing orthogonal control signals for display or tool control purposes. The orthogonal control signals are generated in response to received point and slope data for each of a... 

3763363 
NUMERICAL CURVE GENERATOR IN A MACHINE TOOL SYSTEM
A method and system for determining the advance of a curve to be created on an XY plane, wherein the distances X and Y between the current position of the curve and a specific point assumed in... 

3728528 
CIRCULAR INTERPOLATION BY FINITE DIFFERENCES
A sine cosine generator is described which can iteratively rotate an initial condition vector at a predetermined rate thus producing points which lie on a circle whose radius is determined by the... 

3691551 
SYSTEM FOR GENERATING TRACING SIGNALS FOR DISPLAYING OR RECORDING CHARACTERS
In a display or recording device such as cathode ray tube or ink jet recording apparatus, the characters or indicia to be displayed or recorded are resolved into a plurality of strokes... 

3674999 
NUMERICAL FUNCTION GENERATOR
A numerical function generator for use with numerical control systems in generating linear and nonlinear numerical functions including circular and parabolic functions. The input data indicative... 

3634667 
DIGITAL INTERPOLATOR
A two dimensional curve f(x, y)= 0 to be followed up or reproduced is replaced with at least one straight line segment and/or circular arc. Supplied with the data defining the kind of the... 

3619582 
NUMERICAL CONTROL PULSE DISTRIBUTION METHODS
In a line tracing apparatus under the control of pulses distributed in at least one of the X and Y directions, a digital control pulse distribution method in which several possible points are... 

3524049 
DIGITAL CURVE COMPUTER FOR MACHINE TOOL SYSTEMS
959,268. Curve tracking. LICENTIA PATENT  VERWALTUNGS  G. m. b. H. April 11, 1963 [April 13, 1962], No. 14554/63. Addition to 953,922. Drawings to Specification. Heading G4A. Additional... 

3506812 
CIRCULAR INTERPOLATION SYSTEM


3376412 
Digital frequency filter and function generator


3254203 
Numerical curve generator, such as for machine tool systems


3080555 
Function generator


2998190 
Accumulator


2933249 
Accumulator
