Granted Patent
Utility
US 5,483,150 · App. 08/017,200
Transistor current switch array for digital-to-analog converter (DAC) including bias current compensation for individual transistor current gain and thermally induced base-emitter voltage drop variation
Inventors:
Phillip Elliott, Dwight D. Birdsall, Lloyd Frederick Linder, Kelvin T. Tran
Patented Case
View Patent ↗
Granted: Jan 9, 1996
Filed: Feb 5, 1993
Inventors
Phillip Elliott
Dwight D. Birdsall
Lloyd Frederick Linder
Kelvin T. Tran
Assignee (at issue)
Hughes Aircraft Company
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.