Resources Contact Us Home
Browse by Category: Main > Electrical & Energy
Class Information
Number: 330/122
Name: Amplifiers > Including a push-pull stage > Input and/or output coupling for push-pull
Description: Subject matter involving specific details or distinctive characteristics of the input and/or output circuits coupling the source to the amplifying devices and the amplifying devices to a load, respectively.

Patents under this class:

Patent Number Title Of Patent Date Issued
8446228 Oscillator circuit May. 21, 2013
8416968 Audio device and audio input/output method Apr. 9, 2013
8022776 Origami cascaded topology for analog and mixed-signal applications Sep. 20, 2011
7321752 Linear amplification arrangement with non-linear amplifier element for a mobile radio device Jan. 22, 2008
7145392 Methods and apparatus for variable harmonic distortion Dec. 5, 2006
7030690 Operational amplifier with selectable performance characteristics Apr. 18, 2006
5838196 Transformer-coupled amplifier Nov. 17, 1998
5731740 Circuit bias via transformer Mar. 24, 1998
5498996 High-power, high-fidelity tube amplifier Mar. 12, 1996
5107223 Phase inverter and push-pull amplifier using the same Apr. 21, 1992
4554510 Switching fiber optic amplifier Nov. 19, 1985
4066975 Audio amplifier with improved stability Jan. 3, 1978
4047120 Transient suppression circuit for push-pull switching amplifiers Sep. 6, 1977
3995226 Audio amplifier Nov. 30, 1976

  Recently Added Patents
Facial recognition using a sphericity metric
Advocate for facilitating verification for the online presence of an entity
Generating compiled code that indicates register liveness
Systems and methods for switching supply load current estimation
Method of making and using an alpha-glucanase composition to reduce or remove biofilm
Image forming apparatus, control method of image forming apparatus, and storage medium
Reflective mask blank and method of manufacturing a reflective mask
  Randomly Featured Patents
Method and apparatus for communication between a vehicle based computing system and a remote application
Semiconductor pressure sensor having strain gauge and circuit portion on semiconductor substrate
Ink jet recording apparatus
Method of forming semiconductor chips, the semiconductor chips so formed and chip-stack package having the same
Reduced profile electromechanical valve actuator
Air-conditioning system for a motor vehicle
Ultra thin-type form panel, a form employing the same, and a method for constructing a foundation
Bone morphogenetic protein (BMP)--6
Method for metering and dispensing device
Gas valve weather cap