Multiplex communications – Communication over free space – Having a plurality of contiguous regions served by...
Reexamination Certificate
2002-11-18
2010-02-02
Ho, Duc C (Department: 2419)
Multiplex communications
Communication over free space
Having a plurality of contiguous regions served by...
Reexamination Certificate
active
07656846
ABSTRACT:
An apparatus and method for providing wireless communication for a Programmable Logic Controller (PLC). The PLC includes a central processing unit (CPU) card mounted on the backplane of the PLC, a CPU mounted on the CPU card and a means for wireless radio frequency communication coupled to the CPU so that the means for radio frequency communication and CPU communicate without using the PLC module bus.
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Metts Bryan
Shetty Kojakully
Singh Yuvbir
Thomas Peter G.
Armstrong Teasdale LLP
Conklin, Esq. Mark A.
GE Fanuc Automation North America Inc.
Ho Duc C
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