SE7701268A - Seen and apparatus for bestemning of edelstenars quality - Google Patents

Seen and apparatus for bestemning of edelstenars quality

Info

Publication number
SE7701268A
SE7701268A SE7701268A SE7701268A SE7701268A SE 7701268 A SE7701268 A SE 7701268A SE 7701268 A SE7701268 A SE 7701268A SE 7701268 A SE7701268 A SE 7701268A SE 7701268 A SE7701268 A SE 7701268A
Authority
SE
Sweden
Prior art keywords
gem
inclusions
light
apparatus
edelstenars
Prior art date
Application number
SE7701268A
Other languages
Swedish (sv)
Inventor
G K Bruck
Original Assignee
Dihaco Diamanten Handels Co
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
Priority to DE19762604410 priority Critical patent/DE2604410A1/en
Priority to DE19762623595 priority patent/DE2623595A1/en
Application filed by Dihaco Diamanten Handels Co filed Critical Dihaco Diamanten Handels Co
Publication of SE7701268A publication Critical patent/SE7701268A/en

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00Investigating or analysing materials by the use of optical means, i.e. using infra-red, visible or ultra-violet light
    • G01N21/84Systems specially adapted for particular applications
    • G01N21/87Investigating jewels

Abstract

Process and apparatus for determining the presence and location of inclusions within gems. A gem is initially scanned or irradiated along X and Y co-ordinates by a light bundle whose cross-section perpendicular to the scanning tracks is at least equal to the spacing between adjacent tracks. The intensity of light passing through the gem is measured to determine the possible existence of any inclusions. The gem and the source of light are next moved relative to each other along the Z co-ordinate, so that the focal point of the light rays moves within the gem to pinpoint the location of any inclusions therein.
SE7701268A 1974-09-18 1977-02-04 Seen and apparatus for bestemning of edelstenars quality SE7701268A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
DE19762604410 DE2604410A1 (en) 1974-09-18 1976-02-05 Evaluation of precious stones - using narrow light beam whose cross section is equal to smallest inclusion to be detected
DE19762623595 DE2623595A1 (en) 1976-05-26 1976-05-26 Evaluation of precious stones - using narrow light beam whose cross section is equal to smallest inclusion to be detected

Publications (1)

Publication Number Publication Date
SE7701268A true SE7701268A (en) 1977-08-06

Family

ID=25770010

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7701268A SE7701268A (en) 1974-09-18 1977-02-04 Seen and apparatus for bestemning of edelstenars quality

Country Status (9)

Country Link
US (1) US4152069A (en)
JP (1) JPS52119243A (en)
CA (1) CA1086521A (en)
CH (1) CH614288A5 (en)
FR (1) FR2340546B3 (en)
GB (1) GB1566325A (en)
IL (1) IL51384A (en)
IT (1) IT1085202B (en)
SE (1) SE7701268A (en)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE875482A (en) * 1979-04-11 1979-10-11 Chandesais Jean L J Improved ring lights for microscopes
JPS5892920A (en) * 1981-11-30 1983-06-02 Karuniyuu Kogaku Kogyo Kk Measuring device for diamond color
JPS60108735A (en) * 1983-11-18 1985-06-14 Matsushita Electric Ind Co Ltd Striae checking device of raw rock crystal
DE9005845U1 (en) * 1990-05-23 1990-07-26 Fa. Carl Zeiss, 7920 Heidenheim, De
JPH06103269B2 (en) * 1990-07-06 1994-12-14 金作 山下 Observation or imaging method and apparatus of jewelry such as diamond
US5422718A (en) * 1993-05-10 1995-06-06 The Center For Innovative Technology Elastic-part immersion cell for analyzing microstructures in materials
GB2286251B (en) * 1994-01-25 1997-07-09 Gersan Ets Examining a diamond for synthetic diamond
FR2718232B1 (en) * 1994-03-31 1996-05-24 Saint Gobain Vitrage Method and device for measuring the optical quality of the surface of a transparent object.
US5966673A (en) 1997-01-10 1999-10-12 Diamond Technologies, Inc. System and method for computerized evaluation of gemstones
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
US6473164B1 (en) 2000-02-16 2002-10-29 Gemological Institute Of America, Inc. Systems, apparatuses and methods for diamond color measurement and analysis
JP4663855B2 (en) * 2000-08-02 2011-04-06 株式会社ほほえみブレインズ How to identify decorative gems
US7260544B1 (en) * 2000-10-12 2007-08-21 Gemological Institute Of America, Inc. System and methods for evaluating the appearance of a gemstone
EP1211503B2 (en) * 2000-12-04 2015-12-02 Diamcad A method and apparatus for locating inclusions in a diamond stone
US20030223054A1 (en) * 2002-05-29 2003-12-04 Natural Crystal Information Systems Method and apparatus for identifying gemstones
US20050004824A1 (en) * 2003-05-09 2005-01-06 Sunkist Growers Inc. System and method for concurrent recording, using and recovering a multi-referenced data in a real-time control system for a plant product sorting system
AU2003902855A0 (en) * 2003-06-06 2003-06-26 Holloway, Garry Ian Method and apparatus for examining a diamond
WO2006033102A1 (en) * 2004-09-21 2006-03-30 Zvi Porat A system and method for three-dimensional location of inclusions in a gemstone
DE102005039679A1 (en) * 2005-08-22 2007-03-08 Galatea Ltd. Method for determining the value of an object
US7800741B2 (en) * 2005-08-22 2010-09-21 Galatea Ltd. Method for evaluation of a gemstone
US9262284B2 (en) * 2006-12-07 2016-02-16 Lenovo Enterprise Solutions (Singapore) Pte. Ltd. Single channel memory mirror
US20140279337A1 (en) * 2013-03-12 2014-09-18 The Rapaport 2012 Family Trust Systems and methods for bundling diamonds into valued groupings
US10006868B2 (en) 2013-06-18 2018-06-26 Arvindbhai Lavjibhai Patel Method and device for gemstone evolution
BE1025152B1 (en) * 2017-04-19 2018-11-19 Octonus Finland Oy Improved method for analyzing a gemstone

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2960909A (en) * 1957-01-07 1960-11-22 Jr Robert M Shipley Method for determination of color of gems
AT344419B (en) * 1973-03-20 1978-07-25 Dihaco Diamanten Handels Co Apparatus for determining the evaluation data of colored gemstones, in particular brilliant
DE2444644A1 (en) * 1974-09-18 1976-04-08 Dihaco Diamanten Handels Co A method and apparatus for determining and groessenbestimmung of inclusions in gemstones

Also Published As

Publication number Publication date
FR2340546B3 (en) 1979-10-05
CH614288A5 (en) 1979-11-15
IL51384A (en) 1978-08-31
IL51384D0 (en) 1977-04-29
JPS52119243A (en) 1977-10-06
FR2340546A1 (en) 1977-09-02
CA1086521A1 (en)
US4152069A (en) 1979-05-01
CA1086521A (en) 1980-09-30
IT1085202B (en) 1985-05-28
GB1566325A (en) 1980-04-30

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