IL43465A - Gem identification - Google Patents

Gem identification

Info

Publication number
IL43465A
IL43465A IL43465A IL4346573A IL43465A IL 43465 A IL43465 A IL 43465A IL 43465 A IL43465 A IL 43465A IL 4346573 A IL4346573 A IL 4346573A IL 43465 A IL43465 A IL 43465A
Authority
IL
Israel
Prior art keywords
light
lens
accordance
gemstone
focal point
Prior art date
Application number
IL43465A
Other languages
English (en)
Other versions
IL43465A0 (en
Original Assignee
Yeda Res & Dev
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Yeda Res & Dev filed Critical Yeda Res & Dev
Priority to IL43465A priority Critical patent/IL43465A/en
Publication of IL43465A0 publication Critical patent/IL43465A0/xx
Priority to US05/511,383 priority patent/US3947120A/en
Priority to CH1401574A priority patent/CH577287A5/xx
Priority to DE2450194A priority patent/DE2450194C2/de
Priority to GB45556/74A priority patent/GB1480936A/en
Priority to FR7443412A priority patent/FR2248502B1/fr
Priority to BE152123A priority patent/BE824074A/fr
Publication of IL43465A publication Critical patent/IL43465A/en

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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/389—Precious stones; Pearls
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V20/00—Scenes; Scene-specific elements
    • G06V20/80—Recognising image objects characterised by unique random patterns

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Pathology (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Theoretical Computer Science (AREA)
  • Multimedia (AREA)
  • Food Science & Technology (AREA)
  • Medicinal Chemistry (AREA)
  • Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
IL43465A 1973-10-23 1973-10-23 Gem identification IL43465A (en)

Priority Applications (7)

Application Number Priority Date Filing Date Title
IL43465A IL43465A (en) 1973-10-23 1973-10-23 Gem identification
US05/511,383 US3947120A (en) 1973-10-23 1974-10-02 Gem identification
CH1401574A CH577287A5 (fr) 1973-10-23 1974-10-18
DE2450194A DE2450194C2 (de) 1973-10-23 1974-10-22 Vorrichtung zur Erzeugung und Aufzeichnung eines reproduzierbaren Lichtreflex-Identifikationsmusters eines geschliffenen Edelsteins
GB45556/74A GB1480936A (en) 1973-10-23 1974-10-22 Gemstone identification
FR7443412A FR2248502B1 (fr) 1973-10-23 1974-12-31
BE152123A BE824074A (fr) 1973-10-23 1975-01-03 Procede et dispositif permettant d'identifier une pierre precieuse polie

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IL43465A IL43465A (en) 1973-10-23 1973-10-23 Gem identification

Publications (2)

Publication Number Publication Date
IL43465A0 IL43465A0 (en) 1974-01-14
IL43465A true IL43465A (en) 1976-12-31

Family

ID=11047408

Family Applications (1)

Application Number Title Priority Date Filing Date
IL43465A IL43465A (en) 1973-10-23 1973-10-23 Gem identification

Country Status (7)

Country Link
US (1) US3947120A (fr)
BE (1) BE824074A (fr)
CH (1) CH577287A5 (fr)
DE (1) DE2450194C2 (fr)
FR (1) FR2248502B1 (fr)
GB (1) GB1480936A (fr)
IL (1) IL43465A (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6473164B1 (en) 2000-02-16 2002-10-29 Gemological Institute Of America, Inc. Systems, apparatuses and methods for diamond color measurement and analysis
US7260544B1 (en) 2000-10-12 2007-08-21 Gemological Institute Of America, Inc. System and methods for evaluating the appearance of a gemstone
USRE44963E1 (en) 1997-01-10 2014-06-24 Diamond Technologies, Inc. System and method for computerized evaluation of gemstones

Families Citing this family (38)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4125770A (en) * 1975-01-03 1978-11-14 Lang Andrew R Diamond identification
EP0042361A1 (fr) * 1980-06-17 1981-12-23 GRETAG Aktiengesellschaft Procédé et dispositif pour l'identification automatique de pierres précieuses
NL8203013A (nl) * 1982-07-28 1984-02-16 Unie Van Kunstmestfab Bv Werkwijze en inrichting voor het bepalen van de verzadigingstemperatuur van een oplossing.
GB8706422D0 (en) * 1987-03-18 1987-04-23 British Petroleum Co Plc Identification method
JPH03103751A (ja) * 1989-09-19 1991-04-30 Sekiyu Shigen Kaihatsu Kk ジルコン色彩測定による地質年代測定装置
US5124935A (en) * 1990-11-30 1992-06-23 Omphalos Recovery Systems Inc. Gemstone identification, tracking and recovery system
GB2317693B (en) * 1995-07-24 1999-10-06 Gersan Ets Examining a diamond
US6331708B2 (en) 1995-07-24 2001-12-18 Gersan Establishment Examining a diamond
GB2303699A (en) * 1995-07-24 1997-02-26 Gersan Ets A method and apparatus for detecting layers of synthetic diamond
CA2162532C (fr) * 1995-11-09 2001-01-30 Dana J. Vanier Systeme d'enregistrement des pierres precieuses
US5932119A (en) * 1996-01-05 1999-08-03 Lazare Kaplan International, Inc. Laser marking system
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
US5983238A (en) * 1997-12-26 1999-11-09 Diamond Id Gemstons identification tracking and recovery system
US6450402B1 (en) 1999-05-05 2002-09-17 T.I.D. (The Identifying Diamond) Inc. Identification device
US6308891B1 (en) 1999-05-05 2001-10-30 T.I.D. (The Identifying Diamond) Inc. Jewelry identification
TR200401858T4 (tr) 2001-12-13 2004-09-21 Overseas Diamonds Technologies N.V. Kıymetli taşın bir özelliğinin belirlenmesi için veri üreten bir cihaz ve kıymetli taşın bir özelliğini belirlemek için yöntemler.
US6786733B2 (en) * 2002-10-15 2004-09-07 Overseas Diamonds Inc. Computer-implemented method of and system for teaching an untrained observer to evaluate a gemstone
US7193694B2 (en) * 2005-05-02 2007-03-20 William Underwood Method for grading gemstone cut and symmetry
US7436498B2 (en) * 2005-06-08 2008-10-14 Sarin Technologies Ltd. Apparatus for determining the shape of a gemstone
EP1764610A1 (fr) * 2005-09-14 2007-03-21 Overseas Diamonds Technologies N.V. Améliorations dans des méthodes et des appareillages de visionnement de pierre gemme
CN1815192A (zh) * 2006-03-14 2006-08-09 王辉 珠宝内部结构检测方法及其装置
US8319145B2 (en) * 2006-07-10 2012-11-27 Lazare Kaplan International, Inc. System and method for gemstone micro-inscription
US9262284B2 (en) * 2006-12-07 2016-02-16 Lenovo Enterprise Solutions (Singapore) Pte. Ltd. Single channel memory mirror
US20090234754A1 (en) * 2008-03-11 2009-09-17 Dave Lapa Apparatus, a method, and a system for gemstone evaluation and gemology tutoring over the internet
US8270719B2 (en) * 2008-10-14 2012-09-18 Gemological Appraisal Association, Inc. Gem pattern matching algorithm to determine the percentage match of a target gem pattern to a database of gem patterns
US8498847B2 (en) * 2009-05-29 2013-07-30 Pnina Gelman Cut grading gemstones, evaluation and representation of symmetry and proportion
US9128062B2 (en) 2011-07-05 2015-09-08 Gemological Appraisal Association, Inc. Gemstone registration system
CN102963153B (zh) * 2012-02-21 2015-08-26 苑执中 钻石指纹证书制作方法
SG10201609555YA (en) * 2013-08-12 2017-01-27 Caratell Pte Ltd Method and system for certification and verification of gemstones
AT514332B1 (de) * 2013-08-27 2014-12-15 Swarovski D Kg Anordnung zur Analyse eines durch Brechung und Reflexion an einem Schmuckstein hervorgerufenen Lichtmusters
IN2013MU03810A (fr) * 2013-12-05 2015-08-07 Sahajanand Technologies Private Ltd
WO2015183947A1 (fr) 2014-05-27 2015-12-03 Gemological Appraisal Association, Inc. Système de récupération et d'enregistrement de pierres précieuses, et systèmes permettant d'évaluer la performance à la lumière d'une pierre précieuse et capture de caractéristiques médico-légales d'une pierre précieuse
WO2016092568A2 (fr) * 2014-12-09 2016-06-16 Sahajanand Technologies Pvt. Ltd. Vérification de pierre précieuse
WO2016185472A1 (fr) 2015-05-21 2016-11-24 Sarine Color Technologies Ltd. Système et procédé d'identification unique d'une pierre précieuse
EP3388822B1 (fr) 2017-04-14 2023-09-27 Inexto Sa Procédé de calcul d'un identifiant unique pour une pierre précieuse présentant des facettes
WO2019211765A1 (fr) * 2018-05-01 2019-11-07 Sahajanand Technologies Pvt. Ltd. Traitement de lot de gemmes
IT202300002427A1 (it) * 2023-02-13 2024-08-13 Ludovico Marini Procedimento di identificazione di una gemma

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1799604A (en) * 1926-11-03 1931-04-07 Fayette F Read Method and apparatus for identifying crystals
JPS5015597Y1 (fr) * 1969-08-24 1975-05-15
GB1337741A (en) * 1970-06-09 1973-11-21 Vickers Ltd Testing reflecting surfaces
BE789234A (fr) * 1971-09-29 1973-01-15 Colorant Schmuckstein G M B H Procede et dispositif pour l'enregistrement des qualites de pierres de bijouterie

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USRE44963E1 (en) 1997-01-10 2014-06-24 Diamond Technologies, Inc. System and method for computerized evaluation of gemstones
US6473164B1 (en) 2000-02-16 2002-10-29 Gemological Institute Of America, Inc. Systems, apparatuses and methods for diamond color measurement and analysis
US7260544B1 (en) 2000-10-12 2007-08-21 Gemological Institute Of America, Inc. System and methods for evaluating the appearance of a gemstone
US7834987B2 (en) 2000-10-12 2010-11-16 Gemological Institute Of America, Inc. Systems and methods for evaluating the appearance of a gemstone

Also Published As

Publication number Publication date
FR2248502B1 (fr) 1979-10-05
IL43465A0 (en) 1974-01-14
DE2450194A1 (de) 1975-05-28
US3947120A (en) 1976-03-30
GB1480936A (en) 1977-07-27
DE2450194C2 (de) 1986-07-17
FR2248502A1 (fr) 1975-05-16
BE824074A (fr) 1975-07-03
CH577287A5 (fr) 1976-07-15

Similar Documents

Publication Publication Date Title
IL43465A (en) Gem identification
DE3063065D1 (en) Device for the treatment of a workpiece with a laser beam
DE3482143D1 (de) Optische vorrichtung zum erfassen von codezeichen.
FR2617986A1 (fr) Systeme optique et appareil chirurgical comportant ledit systeme
KR880701389A (ko) 주사장치
FR2434387A2 (fr) Dispositif optique pour determiner l'angle de sortie des rayons lumineux dans une bande de materiau balayee par un spot lumineux
ATE76506T1 (de) Vorrichtung zum beleuchten von bauteilen aus transparentem material bei der fehlerpruefung.
US6870606B2 (en) Process for measuring the surface of a polished precious stone
NO173033C (no) Optikk for maaling av krummingsvariasjon
KR900018925A (ko) 광학 정보 기억용 웨지 프리즘 어셈블리
CN106062528A (zh) 用于识别并定位眼科镜片上的微型蚀刻物的光学仪器
US4863225A (en) Reflection holograms formed by scanning
US3970358A (en) Coherent, quasi-monochromatic light source
SU1581231A3 (ru) Устройство дл построчного считывани полутоновых прозрачных оригиналов
US2459418A (en) Light spot and reflector means for alignment of cameras for title purposes
JPS5483853A (en) Measuring device
JPS55154443A (en) Laser induced damage evaluating apparatus
JP2529376B2 (ja) 光ディスク原盤の作成装置
JPS5690246A (en) Optical defect detection device
GB1280211A (en) Device for measuring the diameter of thin fibres
SU844995A1 (ru) Интерферометр дл контрол поверхно-СТи дЕТАли
US4190338A (en) Data recording camera
US1913867A (en) Method and apparatus for controlling projection of light by sound waves
SU362217A1 (ru) Оптическое контрольное устройство
JPS5249851A (en) Optical device