BE893859A - Methode et appareil pour l'examen des pierres precieuses - Google Patents
Methode et appareil pour l'examen des pierres precieusesInfo
- Publication number
- BE893859A BE893859A BE0/208609A BE208609A BE893859A BE 893859 A BE893859 A BE 893859A BE 0/208609 A BE0/208609 A BE 0/208609A BE 208609 A BE208609 A BE 208609A BE 893859 A BE893859 A BE 893859A
- Authority
- BE
- Belgium
- Prior art keywords
- examination
- precious stones
- precious
- stones
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/87—Investigating jewels
Landscapes
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB08123661A GB2103355B (en) | 1981-08-03 | 1981-08-03 | Examining a gemstone |
Publications (1)
Publication Number | Publication Date |
---|---|
BE893859A true BE893859A (fr) | 1982-11-16 |
Family
ID=10523652
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE0/208609A BE893859A (fr) | 1981-08-03 | 1982-07-16 | Methode et appareil pour l'examen des pierres precieuses |
Country Status (4)
Country | Link |
---|---|
US (1) | US4529305A (fr) |
BE (1) | BE893859A (fr) |
GB (1) | GB2103355B (fr) |
IL (1) | IL66292A (fr) |
Families Citing this family (23)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4737032A (en) * | 1985-08-26 | 1988-04-12 | Cyberware Laboratory, Inc. | Surface mensuration sensor |
US4705401A (en) * | 1985-08-12 | 1987-11-10 | Cyberware Laboratory Inc. | Rapid three-dimensional surface digitizer |
US5206699A (en) | 1988-05-06 | 1993-04-27 | Gersan Establishment | Sensing a narrow frequency band of radiation and gemstones |
GB8826224D0 (en) * | 1988-11-09 | 1988-12-14 | Gersan Anstalt | Sensing shape of object |
GB9127548D0 (en) * | 1991-12-31 | 1992-02-19 | 3D Scanners Ltd | Scanning sensor |
US6044170A (en) * | 1996-03-21 | 2000-03-28 | Real-Time Geometry Corporation | System and method for rapid shape digitizing and adaptive mesh generation |
US5870220A (en) * | 1996-07-12 | 1999-02-09 | Real-Time Geometry Corporation | Portable 3-D scanning system and method for rapid shape digitizing and adaptive mesh generation |
US6980283B1 (en) | 1997-12-18 | 2005-12-27 | Imagestatistics, Inc. | Method and associated apparatus for the standardized grading of gemstones |
US6020954A (en) * | 1997-12-18 | 2000-02-01 | Imagestatistics, Inc. | Method and associated apparatus for the standardized grading of gemstones |
AU3991799A (en) | 1998-05-14 | 1999-11-29 | Metacreations Corporation | Structured-light, triangulation-based three-dimensional digitizer |
IL126809A (en) * | 1998-10-29 | 2001-08-26 | Sarin Technologies Ltd | Apparatus and method of examining the shape of gemstones |
US6608670B2 (en) | 1999-03-16 | 2003-08-19 | Wizard Of Ink & Co. | Laser verification and authentication raman spectrometer (LVARS) detecting the stokes and/or anti-stokes emission |
US7065242B2 (en) | 2000-03-28 | 2006-06-20 | Viewpoint Corporation | System and method of three-dimensional image capture and modeling |
DE60030569D1 (de) † | 2000-12-04 | 2006-10-19 | Diamcad | Verfahren und Vorrichtung zur Ortung von Einschlüssen in einem Diamantstein |
AT410602B (de) * | 2001-12-12 | 2003-06-25 | Swarovski & Co | Verfahren zur vermessung der oberfläche eines geschliffenen schmucksteines |
IL159577A0 (en) * | 2002-02-13 | 2004-06-01 | Arvindbhai Lavjibhai Patel | Laser machine for examination, planning and marking raw diamond |
US7315356B2 (en) * | 2004-05-13 | 2008-01-01 | Haske Martin D | Fire demonstration tool and method for using thereof |
US7755072B2 (en) * | 2004-09-21 | 2010-07-13 | Zvi Porat | System and method for three-dimensional location of inclusions in a gemstone |
US7436498B2 (en) * | 2005-06-08 | 2008-10-14 | Sarin Technologies Ltd. | Apparatus for determining the shape of a gemstone |
US8436986B2 (en) * | 2007-04-03 | 2013-05-07 | Opal Producers Australia Limited | Apparatus and methods for assessment, evaluation and grading of gemstones |
GB0919235D0 (en) | 2009-11-03 | 2009-12-16 | De Beers Centenary AG | Inclusion detection in polished gemstones |
CN112513621B (zh) * | 2020-08-18 | 2023-09-05 | 香港应用科技研究院有限公司 | 视觉检测宝石的装置和方法 |
US11333606B2 (en) | 2020-08-18 | 2022-05-17 | Hong Kong Applied Science And Technology Research Institute Co., Ltd. | Apparatus and method for visually inspecting gemstones |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3244065A (en) * | 1956-01-16 | 1966-04-05 | Jerome H Lemelson | Camera apparatus for producing a plane pictorial representation of a three dimensional surface |
US3625618A (en) * | 1969-10-23 | 1971-12-07 | Infrared Ind Inc | Optical contour device and method |
-
1981
- 1981-08-03 GB GB08123661A patent/GB2103355B/en not_active Expired
-
1982
- 1982-07-06 US US06/395,245 patent/US4529305A/en not_active Expired - Lifetime
- 1982-07-09 IL IL66292A patent/IL66292A/xx not_active IP Right Cessation
- 1982-07-16 BE BE0/208609A patent/BE893859A/fr not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
GB2103355A (en) | 1983-02-16 |
GB2103355B (en) | 1985-08-07 |
US4529305A (en) | 1985-07-16 |
IL66292A (en) | 1988-07-31 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
RE20 | Patent expired |
Owner name: GERSAN ESTABLISHMENT Effective date: 20020716 |