Reconfigurable data bus

Details Reconfigurable data bus Reconfigurable data bus

1976-01-23

1977-06-28

Yusko, Donald J.

Communications: electrical

Digital comparator systems

179 15AL, 179 15A, 340147C, 340147T, H04J 314, H04Q 900

Patent

active

040328937

ABSTRACT:
A digital data communication system having a plurality of digital nodal communication devices interconnected by a digital data bus in a fixed physical manner in which the data bus structure may be electrically reconfigured without physical modification of the digital data bus. The ability to reconfigure the digital data bus is accomplished by the insertion of a digital reconfigurable data bus module into the position on the digital data bus previously held by one of the digital nodal communication devices and the connection of the replaced digital nodal communication device to the digital reconfigurable data bus module. The digital reconfigurable data bus module contains a transceiver mechanism capable of receiving and transmitting digital information to and from the digital data bus, an adapter mechanism for communicating with the replaced digital nodal communication device and a switching mechanism capable of the multiple switching of data from the adapter section which is connected to the replaced digital nodal communication device to the transceiver section which is connected to the digital data bus.
The digital reconfigurable data bus module allows a fixed configuration of nodal devices and connecting devices to provide the function of tree structured buses, ring structured buses, dedicated channels or combinations of any of them. The module facilitates the receipt, switching and retransmission of data on any selected bus pattern.

REFERENCES:
patent: 3890471 (1975-06-01), Hachenburg
patent: 3925621 (1975-12-01), Collins et al.
patent: 3932841 (1976-01-01), Deerfield
patent: 3963870 (1976-06-01), Couder et al.
"Universal Communication Controller Having a Tree Structure," A. Couder et al., IBM Tech. Disclosure Bulletin, vol. 18, No. 1, 6-1975, pp. 148, 149.
"Attachment Device for Interface Switch Unit," J. R. Carthew, IBM Tech. Disclosure Bulletin, vol. 12, No. 12, May 1970, pp. 2251, 2252.
"Input/Output Module," E. J. Annunziata et al., IBM Tech. Disclosure Bulletin, vol. 14, No. 1, June 1971, pp. 264-268.

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