Granted Patent
Utility
US 4,587,552 · App. 06/529,136
Apparatus for generating the magnitude of the vector sum of two orthogonal signals as for use in a digital TV receiver
Inventor:
Danny Chin
Patented Case
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Granted: May 6, 1986
Filed: Sep 2, 1983
Inventor
Danny Chin
Assignee (at issue)
RCA 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.