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Class Information
Number: 330/105
Name: Amplifiers > Signal feedback > From impedance in series with output load (e.g., current feedback)
Description: Subject matter wherein the signal feedback is from an impedance in series with the output load which receives the amplified signal, whereby the signal feedback voltage is proportional to the current flowing in the output load.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 6501255 |
Differential current source with active common mode reduction |
Dec. 31, 2002 |
| 5815040 |
Wide bandwidth, current sharing, MOSFET audio power amplifier with multiple feedback loops |
Sep. 29, 1998 |
| 5796305 |
Amplifier arrangements with high damping factor |
Aug. 18, 1998 |
| 5781068 |
Transadmittance amplifier for a motor |
Jul. 14, 1998 |
| 5734728 |
Portable sound speaker system and driving circuit therefor |
Mar. 31, 1998 |
| 5719526 |
Internal load monitor for amplifier |
Feb. 17, 1998 |
| 5705951 |
Method for correction of error signals in a signal amplification system and an apparatus used for that purpose |
Jan. 6, 1998 |
| 5245296 |
Audio amplifier circuit and method of operation |
Sep. 14, 1993 |
| 5153499 |
Precision voltage controlled current source with variable compliance |
Oct. 6, 1992 |
| 5036228 |
Temperature compensation circuit for negative impedance driving apparatus |
Jul. 30, 1991 |
| 4897610 |
Negative-feedback amplifier with accurately defined input or output impedance combined with high or low output or input impedance respectively |
Jan. 30, 1990 |
| 4797933 |
Bass amplifier with high frequency response |
Jan. 10, 1989 |
| 4766396 |
Current source type current output circuit using current mirrors |
Aug. 23, 1988 |
| 4638258 |
Reference load amplifier correction system |
Jan. 20, 1987 |
| 4628275 |
Efficient power amplifier for high capacitive devices |
Dec. 9, 1986 |
| 4598212 |
Driver circuit |
Jul. 1, 1986 |
| 4482866 |
Reference load amplifier correction system |
Nov. 13, 1984 |
| 4340865 |
Electric amplifier circuits that respond to an input signal of either polarity to produce an output signal having a polarity corresponding to that of the input signal |
Jul. 20, 1982 |
| 4321552 |
Amplifier comprising a first and a second amplifier element |
Mar. 23, 1982 |
| 4290024 |
Voltage-to-current converter circuit |
Sep. 15, 1981 |
| 4274016 |
Voltage-to-current converter |
Jun. 16, 1981 |
| 4260954 |
Amplifier load correction system |
Apr. 7, 1981 |
| 4253070 |
Feedback arrangement |
Feb. 24, 1981 |
| 4236118 |
Stabilized remote sensing high fidelity apparatus |
Nov. 25, 1980 |
| 4223273 |
Power amplifying device for driving loudspeakers |
Sep. 16, 1980 |
| 4185249 |
Bipolar signal to current converter |
Jan. 22, 1980 |
| 4092494 |
Loud-speaker enclosure with electrical feed-back |
May. 30, 1978 |
| 4001703 |
Transmission line interface circuit |
Jan. 4, 1977 |
| 3972002 |
Dual feedback amplifier |
Jul. 27, 1976 |
| 3970953 |
Distortion-free amplifiers |
Jul. 20, 1976 |
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