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:
Mar. 09, 2010
Filed:
Feb. 17, 2009
Applicants:
Guido Chiaretti, Novate Milanese, IT;
Antonio Fincato, Cameri, IT;
Inventors:
Guido Chiaretti, Novate Milanese, IT;
Antonio Fincato, Cameri, IT;
Assignee:
STMicroelectronics s.r.l., Agrate Brianza (MI), IT;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02F 1/035 (2006.01); H01Q 1/06 (2006.01);
U.S. Cl.
CPC ...
Abstract
A phase shift device of an optical fiber signal includes an actuator for changing the signal phase in at least one fiber portion by inducing the phase change by thermo-optical effect. An antenna system incorporating phase shift devices using the thermo-optical effect find particular utility in automotive and telecommunications fields.