Automatic information acquisition system

Details Automatic information acquisition system Automatic information acquisition system

1991-01-31

1993-03-23

Chin, Stephen

Pulse or digital communications

Repeaters

Testing

4551612, H04L 2714

Patent

active

051970848

ABSTRACT:
The automatic information acquisition system includes a process for the control of a tunable radio receiver to automatically receive, decode, and store digitally-coded information which has been transmitted by radio. Key elements of the system include a general-purpose digital computer, a tunable radio receiver, a hardware signal decoder (multi-mode data controller), a hardware interface (Mark/Space detector), and controlling software. The software causes the radio receiver to scan a pre-set range of frequencies in search of suitably formatted signals, as determined by the Mark/Space detector. When a suitable signal is located, the receiver scanning stops, the specific signal coding is identified, and the signal is decoded, with the received information being recorded on computer storage media. If the transmitted frequency shifts, the software will retune the receiver to prevent loss of signal. If the signal is lost due to termination, fading, or interference, the software will abandon it in search of a new signal. This process continues indefinitely.

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