Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Electrical & Energy
Class Information
Number: 330/50
Name: Amplifiers > With dummy tube
Description: Subject matter including in addition to the amplifying device of the vacuum tube type, a similar vacuum tube, with the cathode unheated, so that the additional tube does not serve as an active element but merely presents impedance relations in the circuit similar to those of the amplifying device vacuum tube, usually for neutralizing the effects of the amplifying device interelectrode impedances.










Patents under this class:

Patent Number Title Of Patent Date Issued
8284953 Circuit and method of reducing pop-up noise in a digital amplifier Oct. 9, 2012
7046081 Amplifier circuit with passive gain step circuit May. 16, 2006
6564062 Pilot search to determine processor loading May. 13, 2003











 
 
  Recently Added Patents
Network decoys
Data storage device and block selection method for a flash memory
Portable computer display structures
Continuous geospatial tracking system and method
Circuit breakers
Demand based power allocation
Dynamic data filtering system and method
  Randomly Featured Patents
Luggage caster
Method and apparatus for laying wire arrays
Arrangement for mounting disk drive in drive dock
Toothpaste compositions containing improved amorphous precipitated silicas
Motorcycle grab bar
Method of circulating ground water in ground regions with a fall of ground water level
On-chip emulator communication for debugging
CPU implemented method for backing up modified data sets in non-volatile store for recovery in the event of CPU failure
Fiberglass swimming pool
System and method for crystal growing