US 12,214,095 B2
Disinfection device and disinfection system
Ryota Tomizawa, Susono (JP); Shozo Takaba, Chiryu (JP); Ayako Shimizu, Numazu (JP); Hojung Jung, Sunto-gun Shizuoka-ken (JP); Daisuke Sato, Toyota (JP); and Yasuhiro Kobatake, Nagoya (JP)
Assigned to TOYOTA JIDOSHA KABUSHIKI KAISHA, Toyota (JP)
Filed by TOYOTA JIDOSHA KABUSHIKI KAISHA, Toyota (JP)
Filed on Jul. 21, 2022, as Appl. No. 17/870,122.
Claims priority of application No. 2021-135645 (JP), filed on Aug. 23, 2021.
Prior Publication US 2023/0053825 A1, Feb. 23, 2023
Int. Cl. A61L 2/10 (2006.01)
CPC A61L 2/10 (2013.01) [A61L 2202/11 (2013.01); A61L 2202/14 (2013.01); A61L 2202/25 (2013.01)] 8 Claims
OG exemplary drawing
 
1. A disinfection system that disinfects an inside of a vehicle, the disinfection system comprising:
a plurality of ultraviolet irradiators including a first ultraviolet irradiator positioned at a front portion of a passenger compartment of the vehicle and a second ultraviolet irradiator positioned at a rear portion of the passenger compartment of the vehicle;
a recognition sensor that recognizes a situation of the inside of the vehicle, the recognition sensor including a camera; and
a control device configured to automatically control the plurality of ultraviolet irradiators based on the situation of the inside of the vehicle, which is recognized by the recognition sensor, to disinfect the inside of the vehicle, wherein:
the control device is configured to selectively switch on and off the plurality of ultraviolet irradiators, and
the control device is configured to determine a first elapsed time since a previous irradiation by the first ultraviolet irradiator at the front portion relative to a first threshold time, and a second elapsed time since another previous irradiation by the second ultraviolet irradiator at the rear portion relative to the first threshold time.