Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Electrical & Energy
Class Information
Number: 330/119
Name: Amplifiers > Including a push-pull stage > Coupling to or from cathode in push-pull
Description: Subject matter wherein the two amplifying devices in push-pull are vacuum tube amplifying devices and wherein the input electrodes or the output electrodes are the cathode electrodes of the vacuum tube amplifying devices.










Patents under this class:

Patent Number Title Of Patent Date Issued
8446228 Oscillator circuit May. 21, 2013
8022776 Origami cascaded topology for analog and mixed-signal applications Sep. 20, 2011
7173488 Vacuum tube power amplifier switchable between push-pull and single ended configurations Feb. 6, 2007
6937093 Cathode-coupled pentode valve amplifier with servo offset controlled push-pull output stage Aug. 30, 2005
6507240 Hybrid audio amplifier Jan. 14, 2003
6265938 Linear high-voltage drive stage and cathode-follower high-fidelity power amplifier implementing same Jul. 24, 2001
5859565 Cathode-follower high-fidelity power amplifier Jan. 12, 1999











 
 
  Recently Added Patents
Systems and methods for picture based communication
Integrated circuit devices having conductive structures with different cross sections
Non-visual presentation of information on an electronic wireless device
Photoconductor cartridge
Boundary acoustic wave device
Technique for manufacturing bit patterned media
Mounting apparatus for PCI card
  Randomly Featured Patents
Seat belt configuration having individual belt retractors for the shoulder belt and the lap belt
Envelope assembly
Paint can rim cover and lid combination
Method for manufacturing nitride semiconductor stacked structure and semiconductor light-emitting device
Thermoplastic elastomer composition, process for the preparation there of, hose made by using the composition, and process for the production thereof
Multistage blowdown valve for a compressor system
Organic EL panel and filter for same
Plant hanger
Natural circulation boiling water reactor and handling method thereof
Harvesting/packing system