IL74806A - Method of examining an unfinished gemstone - Google Patents

Method of examining an unfinished gemstone

Info

Publication number
IL74806A
IL74806A IL74806A IL7480685A IL74806A IL 74806 A IL74806 A IL 74806A IL 74806 A IL74806 A IL 74806A IL 7480685 A IL7480685 A IL 7480685A IL 74806 A IL74806 A IL 74806A
Authority
IL
Israel
Prior art keywords
gemstone
unfinished
examining
unfinished gemstone
Prior art date
Application number
IL74806A
Other versions
IL74806A0 (en
Original Assignee
Gersan Ets
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 Gersan Ets filed Critical Gersan Ets
Publication of IL74806A0 publication Critical patent/IL74806A0/en
Publication of IL74806A publication Critical patent/IL74806A/en

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B21/00—Microscopes
    • G02B21/18—Arrangements with more than one light path, e.g. for comparing two specimens
    • 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)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Optics & Photonics (AREA)
  • Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
IL74806A 1984-05-29 1985-04-03 Method of examining an unfinished gemstone IL74806A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB848413605A GB8413605D0 (en) 1984-05-29 1984-05-29 Examining unfinished gemstone

Publications (2)

Publication Number Publication Date
IL74806A0 IL74806A0 (en) 1985-07-31
IL74806A true IL74806A (en) 1987-12-31

Family

ID=10561599

Family Applications (1)

Application Number Title Priority Date Filing Date
IL74806A IL74806A (en) 1984-05-29 1985-04-03 Method of examining an unfinished gemstone

Country Status (4)

Country Link
BE (1) BE902452A (en)
GB (2) GB8413605D0 (en)
IL (1) IL74806A (en)
IN (1) IN164711B (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7544681B2 (en) 2001-09-27 2009-06-09 Ramot At Tel Aviv University Ltd. Conjugated psychotropic drugs and uses thereof
US8046274B2 (en) 2002-01-25 2011-10-25 Menahem Sevdermish Method for digital color grading of gems and communication thereof
AU2002348714A1 (en) * 2002-02-13 2003-09-04 Arvindbhai Lavjibhai Patel Laser machine for examination, planning and marking raw diamond
US8035807B2 (en) * 2005-11-12 2011-10-11 Gemex Systems, Inc. Engraved gemstone viewer
US8377990B2 (en) 2006-07-17 2013-02-19 Ramot At Tel-Aviv University Ltd. Conjugates comprising a psychotropic drug or a GABA agonist and an organic acid and their use in treating pain and other CNS disorders
WO2009101616A1 (en) 2008-02-11 2009-08-20 Ramot At Tel Aviv University Ltd. Novel conjugates for treating neurodegenerative diseases and disorders
JP2013513600A (en) 2009-12-09 2013-04-22 バイオラインアールエックス リミテッド Cognitive improvement method
US8916610B2 (en) 2010-09-22 2014-12-23 Ramot At Tel-Aviv University Ltd. Acid addition salt of a nortriptyline-GABA conjugate and a process of preparing same
CN102975519B (en) * 2012-02-21 2015-02-11 苑执中 Born pair diamond certificate manufacture method

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB361514A (en) * 1930-10-06 1931-11-26 Robert Conacher Malcolm Improvements in or relating to optical comparators
GB657588A (en) * 1949-05-12 1951-09-19 Cecil Douglas Wylde Improvements in optical comparators for the manufacture of precision tools or parts
GB804654A (en) * 1956-05-02 1958-11-19 Adolph Razdow Apparatus for and method of inspecting of members or mechanical parts
GB993370A (en) * 1962-06-25 1965-05-26 George Banko Linear optical comparator for a machine tool
GB1203640A (en) * 1967-10-17 1970-08-26 Deputy Minister Of The Ministe Stereoscopic determination of the roughness of surfaces
US3619064A (en) * 1968-09-18 1971-11-09 Trw Inc Moire gauging systems

Also Published As

Publication number Publication date
GB8512835D0 (en) 1985-06-26
IL74806A0 (en) 1985-07-31
GB2159636B (en) 1987-08-26
BE902452A (en) 1985-09-16
GB2159636A (en) 1985-12-04
IN164711B (en) 1989-05-13
GB8413605D0 (en) 1984-07-04

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Legal Events

Date Code Title Description
KB Patent renewed
RH1 Patent not in force