| |
 |
|
Class Information
Number: 341/147
Name: Coded data generation or conversion > Analog to or from digital conversion > Digital to analog conversion > Function generator
Description: Subject matter wherein a series of digital signals is converted to a series of discrete analog values, these values being a particular mathematical function of the input digital signals.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7391842 |
Direct synthesis clock generation circuits and methods |
Jun. 24, 2008 |
| 7379006 |
Digital to analog converter calculating a difference between multiple indicators of a multi-bit input signal |
May. 27, 2008 |
| 7345610 |
High speed digital-to-analog converter |
Mar. 18, 2008 |
| 7342521 |
System and method for multi-channel delay cell based clock and data recovery |
Mar. 11, 2008 |
| 7286070 |
RF carrier generator and method thereof |
Oct. 23, 2007 |
| 7259705 |
Tracking supply AC regeneration system and method |
Aug. 21, 2007 |
| 7193551 |
Reference voltage generator for use in display applications |
Mar. 20, 2007 |
| 7136003 |
Clockless pulse shaping circuit for controlling a power amplified output |
Nov. 14, 2006 |
| 7126520 |
Segmented sawtooth generator |
Oct. 24, 2006 |
| 7095349 |
Numerically controlled oscillator and method for operating the same |
Aug. 22, 2006 |
| 7092476 |
Direct synthesis clock generation circuits and methods |
Aug. 15, 2006 |
| 7057543 |
Low power method and interface for generating analog waveforms |
Jun. 6, 2006 |
| 7058371 |
Mechanism for modulating wireless communication signals |
Jun. 6, 2006 |
| 6890046 |
Driving waveform generator and method of generating driving waveform |
May. 10, 2005 |
| 6867625 |
Method and apparatus for high frequency digital carrier synthesis from plural intermediate carrier waveforms |
Mar. 15, 2005 |
| 6763407 |
Digital-to-analog converter with plural voltage holding sections, plural step function generators, voltage summing section and integrator |
Jul. 13, 2004 |
| 6657573 |
Phase to sine amplitude conversion system and method |
Dec. 2, 2003 |
| 6653963 |
Method and apparatus for the A/D conversion of analog signals and corresponding A/D converter arrangement |
Nov. 25, 2003 |
| 6639535 |
Digital to analog converter using B spline function |
Oct. 28, 2003 |
| 6549157 |
Digital-to-analog converting device and method used in home networking system with compensation mechanism to reduce clock jitter |
Apr. 15, 2003 |
| 6492924 |
Circuits, systems, and methods for signal processors that buffer a signal dependent current |
Dec. 10, 2002 |
| 6448918 |
Digital/analog converter |
Sep. 10, 2002 |
| 6380878 |
Digital-to-analog conversion circuit |
Apr. 30, 2002 |
| 6359577 |
Multiple digital-to-analog system with analog interpolation |
Mar. 19, 2002 |
| 6356224 |
Arbitrary waveform generator having programmably configurable architecture |
Mar. 12, 2002 |
| 6344813 |
Digital to analogue converter |
Feb. 5, 2002 |
| 6295015 |
Reference generator for demodulator calibration |
Sep. 25, 2001 |
| 6252533 |
Data conversion device |
Jun. 26, 2001 |
| 6191721 |
Time based digital-to-analog conversion of a precision variable amplitude sine wave |
Feb. 20, 2001 |
| 6188343 |
Method and structure for providing a digitally controlled voltage gain amplifier with non-linear gain adjustments |
Feb. 13, 2001 |
| 6172632 |
Bipolar FSK digital waveform synthesizer for modem systems |
Jan. 9, 2001 |
| 5887244 |
Multiple clock generation in a baseband simulator for testing a radio frequency section of a mobile communications transceiver |
Mar. 23, 1999 |
| 5859905 |
Cycle-modulating type of dual-tone multifrequency generator |
Jan. 12, 1999 |
| 5714954 |
Waveform-generating apparatus |
Feb. 3, 1998 |
| 5554987 |
Direct digital synthesizer capable of reducing spurious noise components |
Sep. 10, 1996 |
| 5485153 |
Sinusoidal wave generation apparatus |
Jan. 16, 1996 |
| 5424740 |
Digital-to-analog converter with a Johnson code generator |
Jun. 13, 1995 |
| 5321401 |
Method and apparatus for digital to analog conversion with minimized distortion |
Jun. 14, 1994 |
| 5237324 |
System and method for producing baseband analog modulation signals |
Aug. 17, 1993 |
| 5200751 |
Digital to analog converter using a programmable logic array |
Apr. 6, 1993 |
| 5198818 |
Oversampled digital-to-analog converter for multilevel data transmission |
Mar. 30, 1993 |
| 5146224 |
AC signal generating apparatus for voltage and current standard |
Sep. 8, 1992 |
| 5057699 |
Switch interface for determining position of a plurality of switches using a determined time |
Oct. 15, 1991 |
| 4992792 |
Digital-analog converter for converting digital audio signals |
Feb. 12, 1991 |
| 4990916 |
Single-supply digital-to-analog converter for control function generation |
Feb. 5, 1991 |
| 4975699 |
Error reduction method and apparatus for a direct digital synthesizer |
Dec. 4, 1990 |
| 4973977 |
Digital to amplitude modulated analog converter |
Nov. 27, 1990 |
| 4897654 |
Digital-analog converting method, and apparatus therefor |
Jan. 30, 1990 |
| 4782324 |
Digital signal synthesizer |
Nov. 1, 1988 |
| 4464727 |
Parabolic function generator |
Aug. 7, 1984 |
|
|
|
