Invention Grant
US07880902B2 Contactless optical probe and device and method making use thereof
有权
非接触式光探针及其使用的装置和方法
- Patent Title: Contactless optical probe and device and method making use thereof
- Patent Title (中): 非接触式光探针及其使用的装置和方法
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Application No.: US11795285Application Date: 2006-01-11
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Publication No.: US07880902B2Publication Date: 2011-02-01
- Inventor: Frederic Dubois , Michael Bray
- Applicant: Frederic Dubois , Michael Bray
- Applicant Address: FR Charenton-le-Pont FR Paris
- Assignee: Essilor International (Compagnie Generale d'Optique),MB Optique
- Current Assignee: Essilor International (Compagnie Generale d'Optique),MB Optique
- Current Assignee Address: FR Charenton-le-Pont FR Paris
- Agency: Young & Thompson
- Priority: FR0500405 20050114
- International Application: PCT/FR2006/000059 WO 20060111
- International Announcement: WO2006/075090 WO 20060720
- Main IPC: G01B11/14
- IPC: G01B11/14
Abstract:
The probe comprises a light source (20), means for shaping (24, 25, 21) the beam emitted by said light source and the beam coming from a surface arranged close to a target distance, an optical detector unit (22), comprising a pinhole diaphragm (26) and a photoelectric detector (28), providing a voltage peak (31) when said surface is at said target distance and further comprising a diaphragm (27) with a hole larger than said pinhole and a photoelectric detector (29), providing a voltage greater than that produced by said detection sensor (28), except when said surface is a the target distance. The method uses the probe to measure the thickness of an optical lens.
Public/Granted literature
- US20080137100A1 Optical Probe and Device and Method Making Use Thereof Public/Granted day:2008-06-12
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