Resources Contact Us Home
Browse by Category: Main > Electrical & Energy
Class Information
Number: 330/166
Name: Amplifiers > Interstage coupling > Transformer coupling > With additional reactive coupling
Description: Subject matter wherein, between the primary and secondary of the transformer, there is an additional capacitive or inductive reactor element which carries part of the signal current coupled between the two devices.

Patents under this class:

Patent Number Title Of Patent Date Issued
5404113 High efficiency power amplifier Apr. 4, 1995
5345189 Vectorial signal combiner for generating an amplitude modulated carrier by adding two phase modulated constant envelope carriers Sep. 6, 1994
4994761 VHF power amplifier Feb. 19, 1991
4348645 Buffer amplifier circuit used in wideband tuner Sep. 7, 1982
4196397 Synchro power buffer amplifier Apr. 1, 1980
4170761 Remotely powered intermediate amplifier for communications transmission Oct. 9, 1979
4124822 Isolation amplifier Nov. 7, 1978

  Recently Added Patents
Methods and systems for identifying and changing resolutions to cause an aspect ratio of a printed image to match an aspect ratio of image data
Release layer
Maize variety hybrid X03A157
Automatic setup of reflector instances
Fluid conduit with PTC fabric heating
Method for manufacturing a substrate for a display device
LED driving circuit, LED illumination appliance, LED illuminator, and LED illumination system
  Randomly Featured Patents
Method and device for driving electro-optical light shutter
Laundry machine
Oil balance system and method for compressors
Thickness estimation using conductively related calibration samples
Rotational grapple
Enhanced quality of identification in a data communications network
Fail safe obstruction detector for door operators and door operator system incorporating such detector
Two-dimensional optical encoder with multiple code wheels
Image screen and method of forming anti-reflective layer thereon
Power distribution center