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Class Information
Number: 341/152
Name: Coded data generation or conversion > Analog to or from digital conversion > Digital to analog conversion > With intermediate conversion of digital value to time interval
Description: Subject matter wherein the input digital signal is converted to intermediate signals which are a measure of a time interval or a series of intervals representative of the input digital signals.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7391346 |
Switching amplifier system and method |
Jun. 24, 2008 |
| 7382301 |
Method and apparatus for converting PWM signal to analog output voltage |
Jun. 3, 2008 |
| 7379003 |
Multi-channel display driver circuit incorporating modified D/A converters |
May. 27, 2008 |
| 7358884 |
Methods and systems for implementing a Digital-to-Analog Converter |
Apr. 15, 2008 |
| 7333400 |
Regulated low power control system for electrostatic actuators |
Feb. 19, 2008 |
| 7327300 |
System and method for generating a pulse width modulated signal having variable duty cycle resolution |
Feb. 5, 2008 |
| 7321328 |
Single bit DAC with tristate driver |
Jan. 22, 2008 |
| 7307565 |
Signal processing system with delta-sigma modulation and FIR filter post processing to reduce near out of band noise |
Dec. 11, 2007 |
| 7301488 |
Digital PWM controller for preventing limit cycle oscillations |
Nov. 27, 2007 |
| 7298309 |
Digital-to-analog converter (DAC) using multiple PWMs and method thereof |
Nov. 20, 2007 |
| 7292171 |
Method and device for the version of digital signals with heterogeneous formats and application thereof to the digital amplification of audio signals |
Nov. 6, 2007 |
| 7283078 |
Digital-to-analog converter |
Oct. 16, 2007 |
| 7271744 |
Imprint-free coding for ferroelectric nonvolatile counters |
Sep. 18, 2007 |
| 7271754 |
Digital pulse-width modulator |
Sep. 18, 2007 |
| 7242330 |
Dynamic compensation of analog-to-digital converter (ADC) offset errors using filtered PWM |
Jul. 10, 2007 |
| 7236112 |
Self-tuning output digital filter for direct conversion delta-sigma transmitter |
Jun. 26, 2007 |
| 7227487 |
Digital saturation handling in integral noise shaping of pulse width modulation |
Jun. 5, 2007 |
| 7221297 |
D/A converter and output amplifying circuit |
May. 22, 2007 |
| 7215272 |
Schemes to implement multi-level PWM in digital system |
May. 8, 2007 |
| 7209064 |
Signal processing system with spreading of a spectrum of harmonic frequencies of a pulse width modulator output signal |
Apr. 24, 2007 |
| 7199744 |
Circuits and methods for reducing interference from switched mode circuits |
Apr. 3, 2007 |
| 7183959 |
Method and system for implementing a reduced latency, wideband pulse density modulation digital to analog converter |
Feb. 27, 2007 |
| 7176824 |
Imprint-free coding for ferroelectric nonvolatile counters |
Feb. 13, 2007 |
| 7161519 |
PWM modulation circuit and class D amplifier using such PWM modulation circuit |
Jan. 9, 2007 |
| 7161518 |
Method and apparatus for driving two-dimensional modulator arrays |
Jan. 9, 2007 |
| 7142819 |
Circuits and methods for controlling switching noise in switched-mode circuits |
Nov. 28, 2006 |
| 7126510 |
Circuit calibration system and method |
Oct. 24, 2006 |
| 7038606 |
Digital signal processing device and audio signal reproduction device |
May. 2, 2006 |
| 7012556 |
Signal processing system and method |
Mar. 14, 2006 |
| 6992610 |
PWM signal generator and PWM signal generating method |
Jan. 31, 2006 |
| 6965335 |
Methods for output edge-balancing in pulse width modulation systems and data converters using the same |
Nov. 15, 2005 |
| 6940437 |
Multibit delta-sigma modulator with variable-level quantizer |
Sep. 6, 2005 |
| 6933873 |
PWM-based measurement interface for a micro-machined electrostatic actuator |
Aug. 23, 2005 |
| 6914548 |
Programmable DC voltage generator |
Jul. 5, 2005 |
| 6885330 |
Data converters with ternary pulse width modulation output stages and methods and systems using the same |
Apr. 26, 2005 |
| 6861815 |
Motor control drive circuit |
Mar. 1, 2005 |
| 6856269 |
D/A conversion method and D/A converter |
Feb. 15, 2005 |
| 6853957 |
Date and time processing in computers |
Feb. 8, 2005 |
| 6853325 |
Pulse width modulation digital amplifier |
Feb. 8, 2005 |
| 6850177 |
Digital to analog convertor |
Feb. 1, 2005 |
| 6842134 |
Highly accurate digital to analog converter |
Jan. 11, 2005 |
| 6831582 |
Method and circuit configuration for mixing a digital signal with an analogue signal |
Dec. 14, 2004 |
| 6798369 |
Precision, wide band pulse width modulator for digital to analog conversion |
Sep. 28, 2004 |
| 6717540 |
Signal preconditioning for analog-to-digital conversion with timestamps |
Apr. 6, 2004 |
| 6703957 |
Digital-to-analog converter |
Mar. 9, 2004 |
| 6674383 |
PWM-based measurement interface for a micro-machined electrostatic actuator |
Jan. 6, 2004 |
| 6653998 |
LCD driver for layout and power savings |
Nov. 25, 2003 |
| 6651036 |
RMS-to-DC converter with fault detection and recovery |
Nov. 18, 2003 |
| 6628221 |
Signal amplifying method, signal amplifier and devices related therewith |
Sep. 30, 2003 |
| 6606046 |
Method and apparatus for digital-to-analog conversion with an effective pulse width modulation |
Aug. 12, 2003 |
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