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Class Information
Number: 330/147
Name: Amplifiers > Plural signal inputs
Description: Subject matter wherein at least two separate and independent sources of signal energy are coupled to the input of the amplifying device.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7408406 |
Mode selection amplifier circuit usable in a signal acquisition probe |
Aug. 5, 2008 |
| 7403069 |
Trifferential amplifier and trifferential amplifier system |
Jul. 22, 2008 |
| 7276971 |
Multi-operational amplifier system |
Oct. 2, 2007 |
| 7236054 |
Multi-operational amplifier system |
Jun. 26, 2007 |
| 7098733 |
Methods and circuits for selectable gain amplification by subtracting gains |
Aug. 29, 2006 |
| 6809595 |
Method of multiplexing column amplifiers in a resistive bolometer array |
Oct. 26, 2004 |
| 6788153 |
Method of multiplexing column amplifiers in a resistive bolometer array |
Sep. 7, 2004 |
| 6535060 |
System and method for noise and spurious supression in power amplifier systems |
Mar. 18, 2003 |
| 6489845 |
Multiplexing amplifier |
Dec. 3, 2002 |
| 6388517 |
Input change-over type amplifier and frequency change-over type oscillator using the same |
May. 14, 2002 |
| 6069533 |
Circuit and method for automatically adjusting common mode rejection ratio |
May. 30, 2000 |
| 6054902 |
High-frequency amplifier |
Apr. 25, 2000 |
| 5652543 |
Amplifier array for high-frequency signals and multiplexer configuration including the amplifier array |
Jul. 29, 1997 |
| 5586114 |
Multiplexing instrumentation preamplifier |
Dec. 17, 1996 |
| 5459434 |
Detector amplifier for standby system |
Oct. 17, 1995 |
| 5406223 |
Amplifier system for low level sensor signal |
Apr. 11, 1995 |
| 5361038 |
Active load applications for distributed circuits |
Nov. 1, 1994 |
| 5352987 |
Analog multiplexer |
Oct. 4, 1994 |
| 5304950 |
Low power, low noise preamplifier with offset voltage cancellation |
Apr. 19, 1994 |
| 5276404 |
Constant current video amplifier |
Jan. 4, 1994 |
| 5148121 |
Amplifier circuit designed for use in a bipolar integrated circuit, for amplifying an input signal selected by a switch circuit |
Sep. 15, 1992 |
| 5107224 |
Wideband single-ended voltage-to-current converter and gain-control circuit |
Apr. 21, 1992 |
| 5075633 |
Instrumentation amplifier with single supply capacity and simplified gain equation |
Dec. 24, 1991 |
| 5027081 |
High gain differential-to-single ended amplifier having a tee network feedback loop |
Jun. 25, 1991 |
| 4994755 |
Active balun |
Feb. 19, 1991 |
| 4891706 |
Analog and digital video display system |
Jan. 2, 1990 |
| 4799026 |
Multifunction amplifier |
Jan. 17, 1989 |
| 4764733 |
Asymmetrical dual input amplifier |
Aug. 16, 1988 |
| 4760346 |
Switched capacitor summing amplifier |
Jul. 26, 1988 |
| 4683441 |
Apparatus for establishing the differences between multiple pairs of analog input signals |
Jul. 28, 1987 |
| 4633188 |
Mixer/amplifier circuit |
Dec. 30, 1986 |
| 4616190 |
Differential amplifier with current steering to enhance slew rate |
Oct. 7, 1986 |
| 4553105 |
Multistage linear amplifier for a wide range of input signal levels |
Nov. 12, 1985 |
| 4536716 |
Stereo amplifier circuit for bichannel signals |
Aug. 20, 1985 |
| 4484146 |
Differential amplifier containing a low-pass filter |
Nov. 20, 1984 |
| 4423386 |
Multisignal amplification |
Dec. 27, 1983 |
| 4380766 |
Multi-channel amplifier apparatus |
Apr. 19, 1983 |
| 4263561 |
Amplifier arrangement with suppression of spurious signals |
Apr. 21, 1981 |
| 4218950 |
Active ladder filter for voicing electronic musical instruments |
Aug. 26, 1980 |
| 4186354 |
Summing amplifier for developing a squelch and meter voltage in a radio receiver |
Jan. 29, 1980 |
| 4085381 |
Amplifiers |
Apr. 18, 1978 |
| 3968458 |
Microwave power reflector using edge-guided mode |
Jul. 6, 1976 |
| 3967218 |
Edge-guided wave directional combiner |
Jun. 29, 1976 |
| 3960043 |
Filter circuit |
Jun. 1, 1976 |
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