Apparatus and method for effecting redundant control data transf

Details Apparatus and method for effecting redundant control data transf Apparatus and method for effecting redundant control data transf

1977-09-01

1978-07-18

Thomas, James D.

Boots, shoes, and leggings

235307, 364424, G06F 1550, G06F 300, G06F 1108

Patent

active

041019580

ABSTRACT:
Apparatus for controlling the data exchange among redundant computation channels for use such as in a digital flight control system includes a register into which a tic is entered when selected data is written into a main memory, the position of the tic in the register corresponding positionally to the address of the main memory at which the data is being written. Subsequently, the tic containing register is searched, and when a tic is found, the data is retrieved from the main memory. The data thus retrieved is multiplexed in sets with raw sensor data and transmitted to the other redundant channels in serial format. The tic register in one embodiment is a RAM addressable concurrently with the main memory.

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