Determining whether hairs on an area of skin have been treated with a light pulse
US12243225B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 3, 2020 |
| Grant date | Mar 4, 2025 |
| Priority date | — |
| Expiry date | Oct 2, 2041 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06T2207/30088
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
According to an aspect, there is provided an apparatus for use with a treatment device. The treatment device is configured to apply a light pulse to skin of a subject to perform a treatment operation to hairs on the skin. The apparatus comprises a processing unit configured to receive one or more images of a first area of the skin from an imaging unit, wherein the imaging unit is arranged to obtain images of the skin of the subject; process the one or more images to determine whether the hairs on the first area of the skin have been treated with a light pulse based on a degree of at least one of carbonisation and curling of the hairs on the first area of the skin as shown in the one or more images; and output a first signal indicating whether the hairs on the first area of skin have been treated with a light pulse.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.