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Class Information
Number: 330/118
Name: Amplifiers > Including a push-pull stage
Description: Subject matter including two amplifiers as defined in the class definition, the input electrodes of each of the amplifying devices of the two amplifiers being balanced to ground or some other convenient electrical reference plane, the source of electrical signal being such, and so coupled to the input electrodes, that at any instant the signal on each input electrode is substantially equal and opposite in sign to the signal on the other input electrode; and wherein the signal on the output electrodes of each of the amplifying devices is similarly balanced to a convenient electrical reference plane.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7193458 |
Power supply for guitar amplifier |
Mar. 20, 2007 |
| 6937093 |
Cathode-coupled pentode valve amplifier with servo offset controlled push-pull output stage |
Aug. 30, 2005 |
| 6621335 |
Class D amplifier with passive RC network |
Sep. 16, 2003 |
| 6140870 |
Hybrid thermionic valve and solid state audio amplifier |
Oct. 31, 2000 |
| 5912585 |
Vacuum tube audio amplifying circuit |
Jun. 15, 1999 |
| 5872512 |
Apparatus and method for reducing errors in a battery operated sensing circuit |
Feb. 16, 1999 |
| 5793252 |
Power amplifier with switchable voicing elements |
Aug. 11, 1998 |
| 5668499 |
Tube type power amplifier with distortion control |
Sep. 16, 1997 |
| 5572099 |
Motor speed control with current limit |
Nov. 5, 1996 |
| 5498996 |
High-power, high-fidelity tube amplifier |
Mar. 12, 1996 |
| 5363056 |
Circuit for linearization of amplified electronic signals |
Nov. 8, 1994 |
| 5302912 |
Push-pull audio amplifier with crossover distortion compensation |
Apr. 12, 1994 |
| 4918394 |
Audio frequency power amplifier with improved circuit topology |
Apr. 17, 1990 |
| 4797628 |
Distributed push-pull amplifier |
Jan. 10, 1989 |
| 4751472 |
High frequency amplifier |
Jun. 14, 1988 |
| 4713624 |
Power amplifier with modified dynamic response |
Dec. 15, 1987 |
| 4644289 |
Variable power amplifier for audio frequency signals and method |
Feb. 17, 1987 |
| 4455536 |
Push-pull microwave amplifier |
Jun. 19, 1984 |
| 4337439 |
Wide band amplifiers |
Jun. 29, 1982 |
| 4153882 |
High-efficiency amplifier |
May. 8, 1979 |
| 4047120 |
Transient suppression circuit for push-pull switching amplifiers |
Sep. 6, 1977 |
| 4028633 |
Drive control to prevent simultaneous conduction in push-pull switching amplifier |
Jun. 7, 1977 |
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