Electrical computers and digital data processing systems: input/ – Input/output data processing – Input/output process timing
Reexamination Certificate
2007-09-10
2009-06-23
Dang, Khanh (Department: 2111)
Electrical computers and digital data processing systems: input/
Input/output data processing
Input/output process timing
C710S069000
Reexamination Certificate
active
07552256
ABSTRACT:
A communications system and method are provided for digitally connecting a plurality of data channels, such as sensors, actuators, and subsystems, to a controller using a network bus. The network device interface interprets commands and data received from the controller and polls the data channels in accordance with these commands. Specifically, the network device interface receives digital commands and data from the controller, and based on these commands and data, communicates with the data channels to either retrieve data in the case of a sensor or send data to activate an actuator. Data retrieved from the sensor is converted into digital signals and transmitted to the controller. Network device interfaces associated with different data channels can coordinate communications with the other interfaces based on either a transition in a command message sent by the bus controller or a synchronous clock signal.
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Ellerbrock Philip J.
Grant Robert L.
Konz Daniel W.
Winkelmann Joseph P.
Alston & Bird LLP
Dang Khanh
The Boeing Company
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