Patent · US Active

Method and device for estimating the optical power of corrective lenses in a pair of eyeglasses worn by a spectator

US9228920B2 · kind B2 · utility

9Cited by

8References

7Claims

0Family size

Assignee

Thomson Licensing · FR

Inventors

Laurent Blonde · Yutz, FR
Sylvain Thiebaud · Cesson-Sévigné, FR
Didier Doyen · Savigny-le-Temple, FR

Key dates

Filing date	Dec 3, 2012
Grant date	Jan 5, 2016
Priority date	—
Expiry date	Apr 4, 2033

Classification

Technology area (CPC G)Physics
CPC primaryG06V40/193
WIPO fieldMeasurement
WIPO sectorInstruments

Abstract

This invention relates to a method for estimating the optical power of corrective lenses in a pair a eyeglasses worn by a spectator, characterized in that it comprises the following steps:

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.