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Fig. 1 | International Journal of Health Geographics

Fig. 1

From: A comparison of commercial and custom-made electronic tracking systems to measure patient flow through an ambulatory clinic

Fig. 1

Infrared (IR) tracking system overview: (1) the patient is given a battery-powered IR tag. (2) The tag is activated by an infrared signal from exam room or open area receivers. (3) The tag emits a 900 MHz radiofrequency signal with tag number to access points. (4) Access points send the IR tag number and receiver location data to a computer via Wi-Fi routers. (5) A computer runs data collection software

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International Journal of Health Geographics

ISSN: 1476-072X