The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Feb. 28, 2023
Filed:
Jun. 21, 2018
Koninklijke Philips N.v., Eindhoven, NL;
Johannes Hendrikus Maria Spruit, Waalre, NL;
Cristian Nicolae Presura, Veldhoven, NL;
Steven Charles Deane, Cambridge, GB;
KONINKLIJKE PHILIPS N.V., Eindhoven, NL;
Abstract
A method () for detecting one or more caries using an imaging device (), the method including the steps of: (i) directing () light from a first light source () toward a tooth (); (ii) measuring (), with an optical sensor (), transmission of light from the first light source through the tooth; (iii) directing () light from a second light source () toward the tooth, wherein the second light source directs light at the tooth at a different angle relative to the first light source; (iv) measuring (), with the optical sensor, reflectance from the tooth of light from the second light source; (v) comparing () the measured transmission to the measured reflectance; and (vi) determining (), based at least in part on said comparison, whether a caries is present in the tooth.