Electrical computers and digital data processing systems: input/ – Intrasystem connection – Bus expansion or extension
Reexamination Certificate
2005-12-27
2005-12-27
Perveen, Rehana (Department: 2112)
Electrical computers and digital data processing systems: input/
Intrasystem connection
Bus expansion or extension
C710S301000
Reexamination Certificate
active
06981086
ABSTRACT:
An instrumentation system which extends channel-based switched fabric architectures to provide instrumentation signaling functions. The system comprises a chassis including slots for receiving inserted modules. The chassis includes a backplane which provides for inter-module communication, including a channel-based switched fabric bus, such as the InfiniBand bus, and instrumentation signaling lines for instrumentation signaling functions. The signaling lines may include a local bus for adjacent slot communication of analog and/or digital signals, reference clock lines for transmitting system reference clock signals to synchronize operations of inserted modules, a trigger bus including trigger lines which connect to corresponding slots to communicate trigger signals between the inserted modules for synchronizing operations between the modules, and/or a star trigger bus including dedicated trigger lines connecting a star trigger controller slot to each instrumentation slot for communicating precision trigger signals generated by an inserted star trigger controller module to the inserted modules.
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Clark Christopher A.
Haddad Michel
Peck Joseph E.
Wetzel Mark
Hood Jeffrey C.
Meyertons Hood Kivlin Kowert & Goetzel P.C.
National Instruments Corporation
Perveen Rehana
Vu Trisha
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