Multiplex communications – Communication techniques for information carried in plural... – Combining or distributing information via time channels
Reexamination Certificate
2005-11-22
2005-11-22
Ngo, Ricky (Department: 2663)
Multiplex communications
Communication techniques for information carried in plural...
Combining or distributing information via time channels
C600S437000
Reexamination Certificate
active
06967975
ABSTRACT:
A time-domain communication system in an ultrasonic imaging system includes an ultrasonic probe having an ultrasonic array with ultrasonic array outputs and a time-domain multiplexer with an input connected to each of the ultrasonic array outputs and also having a multiplexer output. The time-domain multiplexer continually cycles through each of the ultrasonic array outputs at a predetermined frequency connecting each of the ultrasonic array outputs to the multiplexer output for a predetermined amount of time. An ultrasonic data processing unit is provided and includes a de-multiplexer connected to the multiplexer output. The de-multiplexer has de-multiplexer outputs and continually cycles through each of the de-multiplexer outputs at the predetermined frequency connecting each of the de-multiplexer outputs to the multiplexer output for the predetermined amount of time. A timing reference is connected to the time-domain multiplexer and the de-multiplexer for providing a single timing reference to determine at least the predetermined frequency.
REFERENCES:
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patent: 5622177 (1997-04-01), Breimesser et al.
patent: 6142946 (2000-11-01), Hwang et al.
patent: 6506160 (2003-01-01), Van Stralen et al.
Fergus Ross John Anderson
Krishnamurthy Vikram Bidare
Van Stalen Nick Andrew
Ferris Derrick W
Fletcher Yoder
General Electric Company
Ngo Ricky
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