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:
Jun. 09, 2009
Filed:
Dec. 07, 2007
Applicant:
Niko Santeri Porjo, Piikkiö, FI;
Inventor:
Niko Santeri Porjo, Piikkiö, FI;
Assignee:
Nokia Corporation, Espoo, FI;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 6/42 (2006.01); G02B 6/43 (2006.01);
U.S. Cl.
CPC ...
Abstract
A system, including an optical source configured to emit optical signals, and an optical receiver configured to receive optical signals; a housing having one or more optical windows; a user-detachable reflector attached to the housing, configured to enable emitted optical signals exiting an optical window to be reflected, so that the optical signals re-enter the housing via an optical window for reception by the optical receiver; and a calibrator configured to calibrate an output of the optical receiver using optical signals received by the optical receiver.