Inventor
MURPHY TIMOTHY J
US17 patents
⚠️ This page may combine multiple inventors who share the name “MURPHY TIMOTHY J”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
ALLEN BRADLEY CO
7 patentsUS4882702ANov 21, 1989
Programmable controller with I/O expansion module located in one of I/O module positions for communication with outside I/O modules
ALLEN BRADLEY CO264 citations97
US4809217AFeb 28, 1989
Remote I/O port for transfer of I/O data in a programmable controller
ALLEN BRADLEY CO73 citations95
US5745708AApr 28, 1998
Method for and apparatus for operating a local communications module in arbitrating for mastership of a data transfer across a back plane bus in industrial automation controller
ALLEN BRADLEY CO79 citations93
US5764927AJun 9, 1998
Backplane data transfer technique for industrial automation controllers
ALLEN BRADLEY CO70 citations92
US4918589AApr 17, 1990
Method and apparatus for linking processors in a hierarchical control system
ALLEN BRADLEY CO49 citations91
US5881247AMar 9, 1999
System having a plurality of frame bytes capable of identifying addressed recipients and assert a busy signal onto the backplane bus to forthrightly abort the message transfer
ALLEN BRADLEY CO29 citations89
US5111070AMay 5, 1992
DC input circuit with controlled leakage current
ALLEN BRADLEY CO16 citations66