Koninklijke Philips Corporation N.V.

Koninkliike Philips N.v.

Walter Hermans

Babu Varghese

Marco Baragona

Arnoldus Johannes Martinus Jozeph Ras

Wouter Hendrik Cornelis Spoorendonk

Willem Auke Westerhof

Pascal Jean Henri Bloemen

Martijn Van Zutphen

Sahil Wadhwa

Willem Minkes

Cornelis Willem Hameetman

Anna Ezerskaya

Arnold Johannes Martinus Jozeph Ras

An apparatus for obtaining images for use in determining one or more properties of skin of a subject, the apparatus comprising an image sensor unit for generating an image of a skin sample, wherein the skin sample corresponds to an area of skin of the subject within a field of view, FOV, of the image sensor unit when the skin of the subject is spaced a predetermined working distance from the image sensor unit; a first light arrangement comprising one or more light sources for illuminating the skin of the subject; and a second light arrangement comprising one or more light sources for illuminating the skin of the subject. The one or more light sources in the first light arrangement are spaced from the image sensor unit and arranged such that light emitted by the light sources in the first light arrangement that is specularly reflected by a skin sample at the predetermined working distance is incident on the image sensor unit, and the one or more light sources in the second light arrangement are spaced from the image sensor unit and arranged such that light emitted by the light sources in the second light arrangement that is specularly reflected by a skin sample at the predetermined working distance is not incident on the image sensor unit.

Obtaining images for use in determining one or more properties of skin of a subject

The invention provides a system () comprising a sensor () for measuring a skin parameter, the sensor () comprising a plurality of spatially separated light sources () configured to provide light source light (), and one or more detectors () configured at a first distance (d) from each of the light sources (), wherein the first distance (d) is selected from the range of 5-80 mm, wherein the sensor () is configured to provide the light source light () with optical axes (OL) under an angle (a) relative to an optical axis (O) of the one or more detectors () selected from the range of 10-80&#xb0;, wherein the sensor () comprises at least three light sources (), wherein the light sources () are configured to provide unpolarized light source light (), wherein the system () further comprises an analysis system () wherein the analysis system () is configured to generate a corresponding skin sensor value on the basis of a detector response of the one or more detectors () at one or more wavelengths selected from a spectral range of 350-780 nm.

Optical skin sensor using optimal spectral bands to minimize the effect of probe pressure

The invention provides a system () comprising a sensor () for measuring a skin parameter, the sensor () comprising (i) a plurality of spatially separated light sources () configured to provide light source light (), and (ii) a detector () configured at a first distance (d) from each of the light sources (), wherein the first distance (d) is selected from the range of 5-80 mm, wherein the sensor () is configured to provide the light source light () with optical axes (OL) under an angle (&#x3b1;) relative to an optical axis (O) of the detector () selected from the range of 10-80&#xb0;, wherein the sensor () comprises at least three light sources (), wherein the light sources () are configured to provide unpolarized light source light (), wherein the sensor () further comprises (iii) a sensor opening () downstream of the light sources () and upstream of the detector () for propagation of the light source light () out of the sensor () and for entrance of reflected sensor light () into the sensor (), and (iv) a sensor window (), of a material () transmissive for the light source light (), configured downstream of the light sources (), configured upstream of the sensor opening (), and configured upstream of the detector () with a second distance (d) to the sensor opening () of at least 3 mm.

Skin sensor

There is provided a system () and method for determining a water or lipid level of skin. The system () comprises at least two electrodes () suitable for contacting skin, and a signal generator () configured to generate an electrical signal at a frequency across the at least two electrodes (). The system () is configured to measure a conductivity between the at least two electrodes (). The system () is further configured to determine a water or lipid level of skin based on the measured conductivity and the frequency of the electrical signal.

Determining a water and a lipid level of skin

There is provided a system () and method for determining a water or lipid level of skin. The system () comprises at least two electrodes () suitable for contacting skin, and a signal generator () configured to generate an electrical signal at a frequency across the at least two electrodes (). The system () is configured to measure a permittivity between the at least two electrodes (). The system () is further configured to determine a water or lipid level of skin based on the measured permittivity and the frequency of the electrical signal.

Determining a water or lipid level of skin

Growing community of inventors

Overpelt, Belgium

Walter Hermans