Fig. 6
From: Monitoring of the daily living activities in smart home care
Measured waveform of CO2 (ppm) in R104 of SHC (1.2.2014–27.2.2014). (dd.mm.yyyy hh:mm:ss): 1 arrival (6.2.2017 9:14:00), 2 departure (6.2.2017 9:24:00), 3 arrival (6.2.2017 9:34:00), 4 departure (6.2.2017 10:45:00), 5 arrival (6.2.2017 11:15:00), 6 departure (6.2.2017 12:05:00), t1—open doors (6.2.2017 13:16:00–14:07:00), t2 (6.2.2017 14:07:00–8.2. 2017 11:06:00) closed windows and doors, forced ventilation off—natural dispersion of CO2 concentration in the space of room R104