US 11,794,365 B2
Personal care appliance
Judith Habermann, Frankfurt (DE); Alexander Tessmann, Neu-Anspach (DE); and Hauke Bruening, Oberursel (DE)
Assigned to The Gillette Company LLC, Boston, MA (US)
Filed by The Gillette Company LLC, Boston, MA (US)
Filed on Oct. 1, 2021, as Appl. No. 17/492,070.
Prior Publication US 2023/0103785 A1, Apr. 6, 2023
This patent is subject to a terminal disclaimer.
Int. Cl. B26B 21/46 (2006.01); B26B 21/16 (2006.01); B26B 21/22 (2006.01); B26B 21/40 (2006.01)
CPC B26B 21/46 (2013.01) [B26B 21/16 (2013.01); B26B 21/222 (2013.01); B26B 21/4056 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A consumer appliance comprising:
a body;
a cartridge removably mounted to the body, the cartridge having a surface with a first colored region and a second colored region;
a control circuit positioned within the body;
a first emitter that projects a first light at the first colored region and a second light at the second colored region;
a first light sensor mounted to the body that sends a first signal to the control circuit based on a color of light reflected from the first colored region; and
a second light sensor mounted to the body that sends a second signal to the control circuit based on a color of the light reflected from the second colored region.