METHOD AND DEVICE FOR PROVIDING FEEDBACK ON MOVEMENT OF ROTARY RAZOR PERFORMED BY USER Russian patent published in 2022 - IPC B26B19/38 B26B19/14 

FIELD: shaving devices.

SUBSTANCE: method for providing feedback to a user on the movement of a rotary razor performed by the user during shaving includes a stage of receiving, during a time interval, information about a type of movement, determined for the movement of the rotary razor performed by the user. The degree of occurrence in the time interval of each of types of movement is determined. It is determined, which type of movement has the highest degree of occurrence in the time interval. Feedback is provided to the user to increase the degree of occurrence of rotational movement of the rotary razor around the central area. Each point on the user’s skin in the central area is in contact with the rotary razor for at least part of the rotational movement. A certain type of movement with the highest degree of occurrence is not a “no movement” type of movement. The invention also includes a computer-readable medium, a device for providing feedback to the user about the movement of the rotary razor, performed by the user, and a shaving system.

EFFECT: improvement of the shaving efficiency.

14 cl, 7 dwg