Network device interface for digitally interfacing data channels to a controller via a network
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
G06F-013/38
출원번호
US-0735146
(2000-12-12)
발명자
/ 주소
Ellerbrock, Philip J.
Grant, Robert L.
Konz, Daniel W.
Winkelmann, Joseph P.
출원인 / 주소
The Boeing Company
대리인 / 주소
Alston & Bird LLP
인용정보
피인용 횟수 :
87인용 특허 :
23
초록▼
The present invention provides a network device interface and method 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 poll
The present invention provides a network device interface and method 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 then converted by the network device interface into digital signals and transmitted back to the controller. In one advantageous embodiment, the network device interface uses a specialized protocol for communicating across the network bus that uses a low-level instruction set and has low overhead for data communication.
대표청구항▼
The present invention provides a network device interface and method 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 poll
The present invention provides a network device interface and method 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 then converted by the network device interface into digital signals and transmitted back to the controller. In one advantageous embodiment, the network device interface uses a specialized protocol for communicating across the network bus that uses a low-level instruction set and has low overhead for data communication. ving the second data from the first computer. 44. A computer-readable medium having computer-executable instructions for using the Remote Procedure Call model to enable communications between a first object located on a first computer and a second object located on a second computer, the first and second objects conforming to the Distributed Component Object Model, the first and second computers connected by a network, the computer-executable instructions performing steps comprising: receiving, at the second computer, a call to an interface of the second object from the first object on the first computer, wherein the interface of the second object is identified only with a DCOM interface pointer identifier; performing RPC utility functions on the received call; passing the received call to a DCOM dispatching function so as to bypass an RPC dispatching function; invoking a stub; and accessing the interface of the second object identified by the DCOM interface pointer identifier. 45. The computer-readable medium of claim 44 wherein the receiving comprises: storing, on the second computer, a second data into a first receive buffer, wherein the first rec
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