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Communications, information, maintenance diagnostic and training system

  • US 5,309,351 A
  • Filed: 09/02/1992
  • Issued: 05/03/1994
  • Est. Priority Date: 10/27/1988
  • Status: Expired due to Term
First Claim
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1. A data and communications system useful for providing interchange of data between a host computer, individual personal computers, factory machinery, including process controllers, a portable computing unit, and other controller/computing equipment and devices, comprising, a host computer interconnected with a network of interface units connecting other computers and factory machine/process controllers, said network of interface units includes an infrared link in a wireless network which includes at least one satellite unit including a transmitter for transmitting data via infrared signals, a receiver for receiving data via infrared signals, an encoder/decoder to identify from which unit data is received or to which unit data is to be sent and to implement or remove the encoding protocol of the data stream, a controller unit for processing data relayed through the satellite and controlling the operation of the wireless network, and one or more interface circuits for interfacing the satellite with various communications networks, said satellite unit coupled to the network of interface units for communicating with at least one of the self-contained portable computing units, said infrared link for communicating with a self-contained portable computing unit for two-way communication with said host computer, other computers and machine/process controllers, and a communications link providing for two-way data transfer and control between each of said host computer, other computers, machine/process controller sand said self-contained portable computing unit.

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