Resources Contact Us Home
Browse by Category: Main > Electrical & Energy
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:
1 2

Patent Number Title Of Patent Date Issued
8502600 Combiner-less multiple input single output (MISO) amplification with blended control Aug. 6, 2013
8461924 Systems and methods of RF power transmission, modulation, and amplification, including embodiments for controlling a transimpedance node Jun. 11, 2013
8410849 Systems and methods of RF power transmission, modulation, and amplification, including blended control embodiments Apr. 2, 2013
8390374 Apparatus and method for amplification with high front-end gain in the presence of large DC offsets Mar. 5, 2013
8374279 Modulation device for a transmission path, method for signal processing in a transmission path, and transmission path having the modulation device Feb. 12, 2013
8120423 OP-AMP sharing with input and output reset Feb. 21, 2012
8023588 Adaptive predistortion of non-linear amplifiers with burst data Sep. 20, 2011
8013675 Combiner-less multiple input single output (MISO) amplification with blended control Sep. 6, 2011
7952429 Multiple-input and multiple-output amplifier having pseudo-differential inputs May. 31, 2011
7940119 Multiple-input and multiple-output amplifier using mutual induction in the feedback network May. 10, 2011
7911272 Systems and methods of RF power transmission, modulation, and amplification, including blended control embodiments Mar. 22, 2011
7863977 Fully differential non-inverted parallel amplifier for detecting biology electrical signal Jan. 4, 2011
7728664 Low noise amplifier with multiple inputs and multiple outputs Jun. 1, 2010
7702119 Multi-input gain control circuit Apr. 20, 2010
7656232 Wideband variable gain amplifier with clipping function Feb. 2, 2010
7642849 Multiple-input and multiple-output amplifier Jan. 5, 2010
7639072 Controlling a power amplifier to transition among amplifier operational classes according to at least an output signal waveform trajectory Dec. 29, 2009
7518454 Operational amplifier selecting one of inputs, and an amplifying apparatus using the OP amplifier the verification method Apr. 14, 2009
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

1 2

  Recently Added Patents
Method, apparatus and article for detection of transponder tagged objects, for example during surgery
Use of cocoa extract
PEGylated, extended insulins
Power supply architecture system designer
Web-based royalty system and user interface
Hydrating lounge chair
Device for preparing a body fluid for a bacteriological analysis
  Randomly Featured Patents
Weeding tool for mounting on fingers of user's hand
Silica xerogel
Golf club head
Closures with cast sealing gasket
Ballast self oscillating inverter with phase controlled voltage feedback
Main unit of entrance television phone system
Apparatus for releasably coupling a trailer or other vehicle accesory to a vehicle
Electromagnetic contactor
Electronic device, production method thereof, and plasma process apparatus
Indoor greenhouse