IL65420A0 - Method of examining a gem stone - Google Patents

Method of examining a gem stone

Info

Publication number
IL65420A0
IL65420A0 IL65420A IL6542082A IL65420A0 IL 65420 A0 IL65420 A0 IL 65420A0 IL 65420 A IL65420 A IL 65420A IL 6542082 A IL6542082 A IL 6542082A IL 65420 A0 IL65420 A0 IL 65420A0
Authority
IL
Israel
Prior art keywords
examining
gem stone
gem
stone
Prior art date
Application number
IL65420A
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 IL65420A0 publication Critical patent/IL65420A0/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
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B11/00—Measuring arrangements characterised by the use of optical techniques
    • G01B11/02—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness
    • G01B11/022—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness by means of tv-camera scanning

Landscapes

  • Physics & Mathematics (AREA)
  • General 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)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
IL65420A 1981-04-06 1982-04-04 Method of examining a gem stone IL65420A0 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8110751 1981-04-06

Publications (1)

Publication Number Publication Date
IL65420A0 true IL65420A0 (en) 1982-07-30

Family

ID=10520976

Family Applications (1)

Application Number Title Priority Date Filing Date
IL65420A IL65420A0 (en) 1981-04-06 1982-04-04 Method of examining a gem stone

Country Status (3)

Country Link
AU (2) AU554120B2 (en)
BE (1) BE892777A (en)
IL (1) IL65420A0 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06103268B2 (en) * 1989-02-17 1994-12-14 金作 山下 Instrument for observing brilliance of jewels such as diamond and method for photographing jewels using the instrument
GB2490330A (en) 2011-04-26 2012-10-31 De Beers Centenary AG Automatic gemstone orientation apparatus

Also Published As

Publication number Publication date
AU558675B2 (en) 1987-02-05
AU7988182A (en) 1982-10-14
BE892777A (en) 1982-08-02
AU554120B2 (en) 1986-08-07
AU7988082A (en) 1982-10-14

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Legal Events

Date Code Title Description
RH Patent void