Invention Grant
- Patent Title: Measuring instrument for measuring parameters necessary for producing spectacles
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Application No.: US17278926Application Date: 2019-09-24
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Publication No.: US11543686B2Publication Date: 2023-01-03
- Inventor: Jonathan Wermes , David Encaoua
- Applicant: INTERACTIF VISUEL SYSTEME (I V S)
- Applicant Address: FR Clichy
- Assignee: INTERACTIF VISUEL SYSTEME (I V S)
- Current Assignee: INTERACTIF VISUEL SYSTEME (I V S)
- Current Assignee Address: FR Clichy
- Agency: Lerner, David, Littenberg, Krumholz & Mentlik, LLP
- Priority: FR1858645 20180924
- International Application: PCT/EP2019/075746 WO 20190924
- International Announcement: WO2020/064758 WO 20200402
- Main IPC: H04N5/232
- IPC: H04N5/232 ; A61B3/14 ; G02C13/00 ; A61B3/00
Abstract:
The invention concerns a method for measuring parameters necessary for producing corrective spectacles using an instrument (1) comprising the following steps: S1: positioning the wearer at a predefined distance from the frame (2) of the instrument (1), S2: placing a screen (5) of the instrument (1) opposite the wearer and displaying at least one image, S3: placing the frame of the corrective spectacles on the face of the wearer, S4: substituting the screen (5) with a one-way mirror (4) of the instrument, S5: taking the measurements.
Information query
