Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Inventor:
Swanson; Hilmer Irvin
Address:
Quincy, IL
No. of patents:
4
Patents:












Patent Number Title Of Patent Date Issued
5969571 Pulse duration amplifier system October 19, 1999
A pulse duration modulation (PDM) amplifier system having a plurality of PDM carrier signals of like frequency but unlike phase. A first pair of PDM amplifiers responds to a common modulating input signal. Each amplifier pulse duration modulates a corresponding one of the PDM carrier
5903188 Modulator having improved discharging unwanted capacitance May 11, 1999
A pulse step modulator comprising is disclosed including a plurality of series connected unit step modules, each including a DC voltage source and an associated actuatable switch for, when on, turning on the associated module to provide a unit step voltage. An output circuit is connected
5861776 High efficiency RF amplifier January 19, 1999
An RF power amplifier system is provided including a plurality of the DC voltage sources of different magnitudes. An RF source provides an RF drive signal. N RF actuatable power amplifiers are provided. Each amplifier, when actuated, is connectable to a selected one of the voltage source
5754082 N-way combiner May 19, 1998
An N-way power combiner is presented herein for combining N RF signals. This combiner includes N input ports each for receiving an RF input signal. N transmission paths respectively extend from the N input ports to a common output port. N reject loads are respectively associated with the










 
 
  Recently Added Patents
Electronic device package and fabrication method thereof
System and method for efficient association of a power outlet and device
Solid-state imaging apparatus
Advanced joint detection in a TD-SCDMA system
Rate controlled first in first out (FIFO) queues for clock domain crossing
Aisle barrier
Methods for integrating the production of cellulose nanofibrils with the production of cellulose nanocrystals
  Randomly Featured Patents
Method and system for reproducing identification characters
Instant win gaming ticket and method
Hierarchical system and method for managing power usage among server data processing systems
Roller slot door mechanism
Handbag
Backlight unit and liquid crystal device using backlight units
Anti-theft trailer assembly and trailer hitch lock
Pharmaceutical compositions for the therapy of involutive cerebral syndromes
Connector assembly
Inkjet printer and method for connecting ink cartridges