Resources Contact Us Home
Browse by Category: Main > Electrical & Energy
Class Information
Number: 330/82
Name: Amplifiers > Signal feedback > At least one push-pull signal stage > Positive and negative feedback
Description: Subject matter including at least one signal feedback means wherein the signal feedback at the amplifier device input means has a component in phase with the input signal at this point in the circuit, and at least one signal feedback means wherein the signal feedback at the amplifier device input means has a component opposite in phase with the input signal at the amplifier input to which such feedback is applied.

Patents under this class:

Patent Number Title Of Patent Date Issued
8446217 Dual-loop feedback amplifying circuit May. 21, 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
7969246 Systems and methods for positive and negative feedback of cascode transistors for a power amplifier Jun. 28, 2011
7459971 Amplifier circuit Dec. 2, 2008
5604461 Transformerless output vacuum tube audio amplifier Feb. 18, 1997
4004241 Hybrid feedback amplifier of a push-pull type Jan. 18, 1977

  Recently Added Patents
Wireless control system for a patient support apparatus
Compact light shield for flash photography
Compact semiconductor memory device having reduced number of contacts, methods of operating and methods of making
Modular utility rack
Compounds, compositions and use
Battery loading and unloading mechanism
Plants and seeds of hybrid corn variety CH817100
  Randomly Featured Patents
Disc channel for cooling rotor blade roots
Controlled heat induced rapid delivery of pharmaceuticals from skin depot
Apparatus for producing thermoplastic yarns
Semiconductor light receiving element and optical pick-up device having the semiconductor light receiving element
Substantially lattice-like composite material having a large percentage of open spaces and method of making it
Method and apparatus for scalable disambiguated coherence in shared storage hierarchies
Light transmitting building panel
Image reading device, an image reading method, a computer program product for storing an image reading sequence, and an image forming apparatus
Audio-output for a portable radio telephone utilizing a vehicle's AM/FM radio