Granted Patent
Utility
US 5,585,797 · App. 08/240,465
Signal processing device having a function of converting an analog signal into a digital signal
Inventor:
Shiro Tsunai
Patented Case
View Patent ↗
Granted: Dec 17, 1996
Filed: May 10, 1994
Inventor
Shiro Tsunai
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.