Pulse or digital communications – Pulse width modulation
Reexamination Certificate
2007-06-19
2007-06-19
Fan, Chieh M. (Department: 2611)
Pulse or digital communications
Pulse width modulation
C375S295000, C375S219000, C375S222000, C327S031000, C370S205000
Reexamination Certificate
active
10423812
ABSTRACT:
To transmit digital signals, binary signals are transformed into a series of pulses, the pulses being modulated in their pulse length as a function of an information content of the binary signals. In a corresponding circuit configuration, a modulation unit is connected to a first signal line for receiving the binary signals, the modulation unit transforming the received binary signals into the series of pulses and outputting them to a second signal line. In the process, a signal level of the pulses is also varied as a function of a state of one of the binary signals. By using a modulated pulse it is possible to transmit more than one data bit on a single data line during a clock cycle. This permits a comparatively high data throughput rate.
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Fan Chieh M.
Greenberg Laurence A.
Lee Siu M.
Locher Ralph E.
Stemer Werner H.
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