US 12,087,438 B2
Liquid dispensing system creating and maintaining a personalized bubble with a defined radius and concentration
Jennifer Ruth Tillotson, Cambridge (GB); and Stephen Temple, Impington (GB)
Assigned to SENSORY DESIGN & TECHNOLOGY LTD, Saffron Walden (GB)
Appl. No. 16/634,788
Filed by SENSORY DESIGN & TECHNOLOGY LTD, Saffron Walden (GB)
PCT Filed Jul. 26, 2018, PCT No. PCT/GB2018/052097
§ 371(c)(1), (2) Date Jan. 28, 2020,
PCT Pub. No. WO2019/025763, PCT Pub. Date Feb. 7, 2019.
Claims priority of application No. 1712210 (GB), filed on Jul. 29, 2017.
Prior Publication US 2020/0211703 A1, Jul. 2, 2020
Int. Cl. G16H 40/67 (2018.01); A61B 5/00 (2006.01); A61B 5/16 (2006.01); A61M 21/02 (2006.01); B05B 12/00 (2018.01); G16H 20/70 (2018.01); G16H 50/20 (2018.01); A24F 47/00 (2020.01); A61M 21/00 (2006.01)
CPC G16H 40/67 (2018.01) [A61B 5/165 (2013.01); A61B 5/4803 (2013.01); A61B 5/4839 (2013.01); A61M 21/02 (2013.01); B05B 12/00 (2013.01); G16H 20/70 (2018.01); G16H 50/20 (2018.01); A24F 47/00 (2013.01); A61M 2021/0016 (2013.01); A61M 2209/088 (2013.01)] 26 Claims
OG exemplary drawing
 
1. A method of creating and maintaining a personalized bubble of scent, the method comprising:
providing a wearable device comprising a perfume reservoir, a perfume dispenser coupled to a scent reservoir, and a controller;
controlling said wearable device to dispense a pulse volume of perfume from said scent reservoir at a pulse interval; and
determining said pulse volume and said pulse interval to maintain a mass per unit volume concentration of said perfume above a threshold level within a defined radius from said wearable device.