Granted Patent
Utility
US 5,754,076 · App. 08/357,252
Differential circuit having a variable current circuit for producing an exponential or a square transfer characteristic
Inventor:
Katsuji Kimura
Patented Case
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Granted: May 19, 1998
Filed: Dec 13, 1994
Inventor
Katsuji Kimura
Assignee (at issue)
NEC 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.