77801951
Aug 11, 2009
Aug 10, 2010
RADIO TRANSMITTERS AND RECEIVERS FOR WIRELESS VOICE AND DATA; WIRELESS INPUT/OUTPUT LINKAGE DEVICES, NAMELY, RADIO FREQUENCY TRANSMITTERS, RADIO RECEIVERS, AND RADIO TRANSCEIVERS, FOR CONNECTING REMOTE INSTRUMENTS, DEVICES, DATA LOGGERS, RTU's, SENSORS, INDUSTRIAL AUTOMATION EQUIPMENT TO PROGRAMMABLE LOGIC CONTROLLERS, HUMAN OR HUMAN-MACHINE INTERFACES, DISTRIBUTED CONTROL SYSTEMS, AND INDUSTRIAL OR COMMERCIAL LOCAL AREA NETWORKS
Electrical and Scientific Apparatus