Telephonic communications – Supervisory or control line signaling – Signal receiver
Patent
1996-09-27
2000-06-20
Smith, Creighton
Telephonic communications
Supervisory or control line signaling
Signal receiver
379 9327, H04M 100
Patent
active
060786604
ABSTRACT:
A method and device for decoding a sequence of signals in which information is derived, in part, from a duration of (a) one of the signals and/or (b) an inter-signal pause between two of the signals. The method and device may also be used to decode a signal to form decoded information, derived, in part, from a duration of the signal.
REFERENCES:
patent: 4843620 (1989-06-01), Hagedorn
patent: 5422945 (1995-06-01), Wyatt
Codispoti Joseph S.
Siemens Information and Communication Systems, Inc.
Smith Creighton
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