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Model DR-24: 24-Ch. Digital Telephonic EEG Receiver |
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| The model DR-24
EEG receiver consists of a computer system equipped with high-speed
modem and proprietary EEG processing interface board to decode the
signal from the DT-24 transmitter. Also included is a
24-channel digital-to-analog conversion module to interface the
receiver output to your laboratory EEG recording system.
The DR-24 EEG receiving computer connects to a standard voice grade telephone line. The output from the computer is sent to a D-to-A interface module. The output from the interface is in the form of 24 individual leads (plus a ground lead) which connect directly into the jackbox of your existing EEG system. The output from these leads is a microvolt level analog EEG signal. Your laboratory EEG system will think that it is directly connected to a patient in your laboratory. You will operate your EEG system in the same way as you would for a regular in-house EEG procedure. The only difference being that you patient could just as easily be in the next room, or clear across the country. Through the use of patented processing and buffering schemes, high quality analog EEG signal is continuously streamed to your laboratory EEG system in near real-time. To accommodate data errors and line fluctuations some level of buffering is required. This results in a typical lag time on the order of several seconds. However, the received EEG is of exceptional quality and totally free of the artifacts which are common in analog EEG transmission systems. |
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