[ Hardened units composed of microprocessors and integrated transmitters and receivers installed in the field at large scale mining, construction, and industrial sites to collect data from monitoring and control installations, to transmit the data to central processing facilities, and to receive data transmissions directed to the installations; Hardened units composed of microprocessors and integrated transmitters and receivers installed in the field, affixed to equipment, or worn by personne...

COMPUTER TIME-SHARING SERVICES, INCLUDING INTER-REACTIVE AND REMOTE BATCH COMPUTER SERVICES