Interleaved data communications system for controlling multiple

Details Interleaved data communications system for controlling multiple Interleaved data communications system for controlling multiple

1996-10-11

1998-04-14

Elmore, Reba I.

Excavating

371 30, 356 39, 356 40, 436 45, H03M 1300, G01N 3348, G01N 3500

Patent

active

057401853

ABSTRACT:
A centrifuge network communication system for transmitting instructions to, and receiving data from, a plurality of centrifuge instruments using a central data controller. The central data controller transmits instructions to the centrifuge instruments in the form of discrete data packets, including (a) a centrifuge arbitration packet containing at least one command for a centrifuge instrument, (b) a command execution packet, commanding a centrifuge instrument that has previously received a centrifuge arbitration packet to execute the at least one command contained in the centrifuge arbitration packet, and (c) a transmit acknowledge packet commanding a centrifuge instrument that has previously received a command execution packet to transmit data generated in response to the centrifuge arbitration packet to the central data controller. Due to the interleaving of the data packets, a command execution packet transmitted to a first centrifuge instrument (n) further acts as a command arbitration packet for a second centrifuge instrument (n+1), and a transmit acknowledge packet transmitted to the first centrifuge instrument (n) further functions as a command execution packet for the second centrifuge instrument (n+1) and a centrifuge arbitration packet for a third centrifuge instrument (n+2).

REFERENCES:
patent: 4837160 (1989-06-01), Mesevol et al.
patent: 4873633 (1989-10-01), Mezel et al.
patent: 5465082 (1995-11-01), Chaco
patent: 5620898 (1997-04-01), Yavemko et al.

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