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:
Dec. 25, 2007
Filed:
Jul. 01, 2005
Applicant:
Markus Berner, Niederhasli, CH;
Inventor:
Markus Berner, Niederhasli, CH;
Assignee:
MHT Optic Research AG, Niederhasli, CH;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01J 3/46 (2006.01);
U.S. Cl.
CPC ...
Abstract
The Apparatus for determining the color stimulus specification of a translucent object, for example of a tooth, comprises an illumination device as well as an image capture device. For illuminating the object under test with light in different wave length portions, the illumination device comprises an LED array with a plurality of sequentially energizable light emitting diodes. Several different types of light emitting diodes are provided, each emitting light in a different wave length portion.