Pulse or digital communications – Pulse width modulation
Reexamination Certificate
2005-09-26
2009-06-23
Fan, Chieh M (Department: 2611)
Pulse or digital communications
Pulse width modulation
C375S259000, C340S453000
Reexamination Certificate
active
07551669
ABSTRACT:
A system for multiplexing multiple independent signals includes a transmitter, interconnecting medium, and a receiver. The transmitter encodes a waveform with first and second pieces of information for transmission across the interconnecting medium. The receiver determines the first and second pieces of information using the duty cycle and frequency of the waveform.
REFERENCES:
patent: 5293628 (1994-03-01), Langan et al.
patent: 5905406 (1999-05-01), Sugden et al.
patent: 7126463 (2006-10-01), Bauerle et al.
patent: 7369629 (2008-05-01), Umewaka
Aghdam Freshteh N
Brinks Hofer Gilson & Lione
Fan Chieh M
Harman International Industries Incorporated
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