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:
Jan. 18, 2005
Filed:
Nov. 25, 2002
Applicant:
Peter Ehbets, Zürich, CH;
Inventor:
Peter Ehbets, Zürich, CH;
Assignee:
Gretag-Macbeth AG, Regensdorf, CH;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01J 342 ;
U.S. Cl.
CPC ...
Abstract
A spectrophotometer including an optical measurement head, a spectrometer and a control electronic. The measurement head is equipped with a multi-channel illumination arrangement having exclusively light emitting diodes as spectrally continuous light source. Each illumination channel includes a light emitting diode, whereby each light emitting diode is separately controllable. In combination with the control electronic, an illumination with electronically adjustable spectral characteristics is hereby realized.