Apparatus and method for filtering voiceband and metering tone frequencies of a mixed voice/data signal
A Standard patent application filed on 09 March 2001 credited to Swam, Steven M.
Details
Application number :
2001257580
Application type :
Standard
Application status :
LAPSED
Under opposition :
No
Proceeding type :
Invention title :
Apparatus and method for filtering voiceband and metering tone frequencies of a mixed voice/data signal