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Class Information
Number: 330/207A
Name: Amplifiers > Miscellaneous > Class d
Description:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7619471 |
Class D amplifier with increased efficiency |
Nov. 17, 2009 |
| 7619469 |
Current switched circuit for switch mode power amplifiers |
Nov. 17, 2009 |
| 7609110 |
Filterless class-D speaker driver with less switching |
Oct. 27, 2009 |
| 7602245 |
Method, apparatus and system for reducing DC coupling capacitance at switching amplifier |
Oct. 13, 2009 |
| 7589590 |
Circuit architecture having differential processing for use in half bridges and full bridges and methods therefore |
Sep. 15, 2009 |
| 7586370 |
Class D amplifier |
Sep. 8, 2009 |
| 7586369 |
Pulse modulation type electric power amplifier |
Sep. 8, 2009 |
| 7579907 |
Switching amplifier |
Aug. 25, 2009 |
| 7579910 |
Low distortion switching amplifier circuits and methods |
Aug. 25, 2009 |
| 7573330 |
High efficiency digital power amplifier |
Aug. 11, 2009 |
| 7557650 |
Electronic signal generator with modulated cyclic ratio, compensated for variations in its power supply voltage |
Jul. 7, 2009 |
| 7554398 |
Integration improvement technique for switching amplifiers |
Jun. 30, 2009 |
| 7554399 |
Protection circuit and method for protecting switching power amplifier circuits during reset |
Jun. 30, 2009 |
| 7551028 |
Signal generators for current-mode three-level digital amplifiers |
Jun. 23, 2009 |
| 7548110 |
Power amplifier and method for reducing common noise of power amplifier |
Jun. 16, 2009 |
| 7545212 |
Class ad audio amplifier |
Jun. 9, 2009 |
| 7538611 |
Audio amplifier with high power and high efficiency |
May. 26, 2009 |
| 7528653 |
Class-D amplifier with noise-immunity feedback |
May. 5, 2009 |
| 7528662 |
Signal amplification apparatus and signal amplification method |
May. 5, 2009 |
| 7525378 |
Circuit for reducing crosstalk |
Apr. 28, 2009 |
| 7518444 |
PWM feedback/feed-forward protection |
Apr. 14, 2009 |
| 7518450 |
Digital amplifier |
Apr. 14, 2009 |
| 7518451 |
High efficiency switch-mode power amplifier |
Apr. 14, 2009 |
| 7508263 |
Digital amplifying apparatus with noise reduction |
Mar. 24, 2009 |
| 7501889 |
Method and apparatus for implementing soft switching in a class D amplifier |
Mar. 10, 2009 |
| 7501886 |
Low distortion class-D amplifier |
Mar. 10, 2009 |
| 7498881 |
Switching audio power amplifier and method for pop noise suppression |
Mar. 3, 2009 |
| 7492218 |
Digital amplifier apparatus and method of resetting a digital amplifier apparatus |
Feb. 17, 2009 |
| 7492219 |
Power efficient amplifier |
Feb. 17, 2009 |
| 7479829 |
Class D amplifier and infrared data receiving apparatus using the same |
Jan. 20, 2009 |
| 7471144 |
Low distortion class-D amplifier |
Dec. 30, 2008 |
| 7468631 |
Class D amplifier |
Dec. 23, 2008 |
| 7468630 |
Superconducting switching amplifier |
Dec. 23, 2008 |
| 7466194 |
DC offset mitigation in a single-supply amplifier |
Dec. 16, 2008 |
| 7463088 |
PWM digital amplifier with high-order loop filter |
Dec. 9, 2008 |
| 7463089 |
Class D audio power amplifier for mobile applications |
Dec. 9, 2008 |
| 7449947 |
Reduction of voltage spikes in switching half-bridge stages |
Nov. 11, 2008 |
| 7449948 |
Amplifier |
Nov. 11, 2008 |
| 7436255 |
Power supply feed forward analog input filter component mismatch correction |
Oct. 14, 2008 |
| 7432759 |
Elimination of pop-up noise in class D amplifier |
Oct. 7, 2008 |
| 7429890 |
PWM digital amplifier with high-order loop filter |
Sep. 30, 2008 |
| 7427893 |
Circuit and method for controlling the power mode a class-D amplifier |
Sep. 23, 2008 |
| 7425864 |
Recovery from clipping events in a class D amplifier |
Sep. 16, 2008 |
| 7417503 |
Method for high efficiency audio amplifier |
Aug. 26, 2008 |
| 7417504 |
Startup and shutdown click noise elimination for class D amplifier |
Aug. 26, 2008 |
| 7414471 |
Common-mode technique for a digital I/P class D loop |
Aug. 19, 2008 |
| 7411447 |
Dynamic pulse width modulation amplifiers |
Aug. 12, 2008 |
| 7411448 |
Class-D amplifier |
Aug. 12, 2008 |
| 7405615 |
Method of impulse acreage modulation digital power processing and its device |
Jul. 29, 2008 |
| 7400194 |
Method of amplifying a digital signal and device therefor |
Jul. 15, 2008 |
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