公开(公告)号：US20240393231A1

公开(公告)日：2024-11-28

申请号：US18686129

申请日：2022-09-01

Applicant: L'OREAL

Inventor： Benjamin ASKENAZI ,  Tal MARCU ,  Thibault CHAUFFIER ,  Thierry WASSERMAN

IPC: G01N21/01 ,  A61B5/00 ,  G01N33/483

Abstract: The sample holder (12) for supporting a hair strand comprises at least a first arm (24), the first arm (24) comprising an inner face (28) and an outer face (30), the sample holder (12) defining a housing (32) for receiving the hair strand delimited at least in part by the first arm (24).
The first arm (24) comprises a through orifice arranged facing the housing (32) for receiving the hair strand and intended to removably receive an optic (18) of a hair strand analysis device (16), the first arm (24) comprising attachment means intended to removably attach the optic (18) of the analysis device (16) to the outer face (30) of the first arm (24).

公开(公告)号：US20220087596A1

公开(公告)日：2022-03-24

申请号：US17433084

申请日：2020-01-23

Applicant: L'OREAL

Inventor： Tal MARCU ,  Thierry WASSERMAN

IPC: A61B5/00 ,  G01J3/02 ,  G01J3/10

Abstract: The present application is directed to a device for inspecting a keratinous surface of a user, preferably a hair sample, comprising a housing in which an image sensor is arranged to receive measurement light emitted from a measuring area configured to accommodate the keratinous surface, through a measurement window in a front wall of the housing, over a corresponding imaging light path, the device being further equipped with an illumination ring arranged in the housing rear of the measurement window around the imaging light path, said illumination ring having two opposed partially peripheral illumination portions separated by two opposed complementary partially peripheral non-illuminating portions, the illuminating portions being further configured to illuminate the measuring area through the measurement window over a illumination light path, said illumination light path having an angle of incidence comprised between 30 to 60°, preferably about 45°.