Resources Contact Us Home
Browse by Category: Main > Electrical & Energy
Class Information
Number: 330/172
Name: Amplifiers > Interstage coupling > Coupling from cathode
Description: Subject matter wherein the signal output is coupled form the cathode electrode of the preceding vacuum tube amplifier device of the two cascaded amplifying devices, to the input of the following amplifier device.

Sub-classes under this class:

Class Number Class Name Patents
330/173 D.c. coupling 2

Patents under this class:

Patent Number Title Of Patent Date Issued
8315290 UWB multi-burst transmit driver for averaging receivers Nov. 20, 2012
8160118 UWB dual burst transmit driver Apr. 17, 2012
5680074 Tube amplifier having specific configuration with four tubes Oct. 21, 1997

  Recently Added Patents
Magnetic circuit and speaker using same
Image sorting device, method, program, and integrated circuit and storage medium storing said program
Hand-held optical probe based imaging system with 3D tracking facilities
Architecture, system and method for testing resistive type memory
System and method for distributed security
Process for preparation of Efavirenz
Integrated circuit packaging system with heat slug and method of manufacture thereof
  Randomly Featured Patents
Semiconductor device and method for manufacturing the same
Humidifier manifold for a ventilator breathing circuit
Microwave edge guide mode signal splitter and combiner
Container pouring apparatus
Sintered metallic parts using extrusion process
Method of forming synthetic resin formed articles
Container for tape cassettes
Method and apparatus for on-line determination of fiber orientation and anisotropy in a non-woven web
Barrel shower
Electro-static fuel mixture system