Granted Patent
Utility
US 5,754,890 · App. 08/595,345
System for automatic identification of a computer data entry device interface type using a transistor to sense the voltage generated by the interface and output a matching voltage level
Inventors:
Todd E. Holmdahl, Glade B. Bacon
Patented Case
View Patent ↗
Granted: May 19, 1998
Filed: Feb 1, 1996
Inventors
Todd E. Holmdahl
Glade B. Bacon
Assignee (at issue)
Microsoft Corporation
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.