Data transmission system for portable terminal device

Details Data transmission system for portable terminal device Data transmission system for portable terminal device

1992-04-09

1995-06-27

Beausoliel, Jr., Robert W.

Excavating

371 201, 371 55, G06F 1100

Patent

active

054286174

ABSTRACT:
A radio data communication system comprising a data conversion unit in a data transmission section and a data reverse conversion unit in a data receiving section. In the data transmission section, a control unit supplies transmission data to the conversion unit through a transmission data storage unit. The data conversion unit converts the transmission data in another data format. A radio conversion unit sends out the transmission data as a radio wave output. In the data receiving section, a radio demodulating unit receives and demodulates an radio wave input. A received data holding unit holds the received data. The data reverse conversion unit reverse-converts the data. Finally, another control unit analyzes the received data. In this way, a radio data communication system which is protected from the influence of external noise and capable of shortening a communication time can be provided.

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