Inventor

DI VITA PIETRO

IT15 patents

⚠️ This page may combine multiple inventors who share the name “DI VITA PIETRO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

CSELT CENTRO STUDI LAB TELECOM

13 patents

US4925472AMay 15, 1990

Method of reducing optical-fiber attenuation

CSELT CENTRO STUDI LAB TELECOM15 citations81

US4349276ASep 14, 1982

Method of and system for determining refractive-index profiles of optical fibers

CSELT CENTRO STUDI LAB TELECOM8 citations73

US4288143ASep 8, 1981

Method of and apparatus for the measurement of mode field radius in single-mode fibres

CSELT CENTRO STUDI LAB TELECOM9 citations72

US4664516AMay 12, 1987

Method of and apparatus for the measurement of the refractive-index profile in monomode optical fibres

CSELT CENTRO STUDI LAB TELECOM10 citations72

US4657388AApr 14, 1987

Method of and apparatus for measuring the cut-off wavelength of the first higher order mode in optical fibers

CSELT CENTRO STUDI LAB TELECOM7 citations72

US4929264AMay 29, 1990

Apparatus for reducing optical-fiber attenuation

CSELT CENTRO STUDI LAB TELECOM4 citations62

US4662744AMay 5, 1987

Method of and apparatus for measuring transverse moments of an electromagnetic field associated with an optical beam

CSELT CENTRO STUDI LAB TELECOM3 citations61

US4934819AJun 19, 1990

Apparatus for measuring transverse moment of an electromagnetic field associated with an optical beam

CSELT CENTRO STUDI LAB TELECOM5 citations60

US4703488AOct 27, 1987

Semiconductor lasers

CSELT CENTRO STUDI LAB TELECOM4 citations57

SIP

1 patent

US5367372ANov 22, 1994

Method of and apparatus for measuring the geometric characteristics of nominally cylindrical guiding structures

SIP24 citations86

CALZAVARA MASSIMO

1 patent

US4741615AMay 3, 1988

Method and device for measuring coupling losses in single mode optical fibers

CALZAVARA MASSIMO8 citations65