DK118480A - Apparat til visuel duplikering af smyttesten - Google Patents

Apparat til visuel duplikering af smyttesten

Info

Publication number
DK118480A
DK118480A DK118480A DK118480A DK118480A DK 118480 A DK118480 A DK 118480A DK 118480 A DK118480 A DK 118480A DK 118480 A DK118480 A DK 118480A DK 118480 A DK118480 A DK 118480A
Authority
DK
Denmark
Prior art keywords
test
duplication
visual
visual duplication
test test
Prior art date
Application number
DK118480A
Other languages
English (en)
Inventor
T F Ritzi
Original Assignee
Geminstrument
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 Geminstrument filed Critical Geminstrument
Publication of DK118480A publication Critical patent/DK118480A/da

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)
DK118480A 1978-07-28 1980-03-19 Apparat til visuel duplikering af smyttesten DK118480A (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US05/928,771 US4266871A (en) 1978-07-28 1978-07-28 Apparatus for visually duplicating gemstones
PCT/US1979/000535 WO1980000372A1 (en) 1978-07-28 1979-07-23 Apparatus for visually duplicating gemstones

Publications (1)

Publication Number Publication Date
DK118480A true DK118480A (da) 1980-03-19

Family

ID=25456729

Family Applications (1)

Application Number Title Priority Date Filing Date
DK118480A DK118480A (da) 1978-07-28 1980-03-19 Apparat til visuel duplikering af smyttesten

Country Status (7)

Country Link
US (1) US4266871A (da)
EP (1) EP0007809B1 (da)
JP (1) JPS55500433A (da)
DE (1) DE2965818D1 (da)
DK (1) DK118480A (da)
IE (1) IE48380B1 (da)
WO (1) WO1980000372A1 (da)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0041391B1 (en) * 1980-06-04 1985-10-02 Gersan Establishment Method and system for examining a gem stone
US4620791A (en) * 1984-07-03 1986-11-04 Combastet Michel P Light processor
US5143212A (en) * 1989-10-05 1992-09-01 K. G. Roberts & Associates, Inc. Gemstone color communication kits
USD328612S (en) 1989-10-05 1992-08-11 K. G. Roberts & Associates, Inc. Simulated gemstone color guide
US5182616A (en) * 1991-04-03 1993-01-26 K. G. Roberts & Associates Color communication kits
JPH0711488B2 (ja) * 1992-12-18 1995-02-08 株式会社泰光 カット面が形成された宝石の拡大視装置
US5966673A (en) * 1997-01-10 1999-10-12 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
ES2277184T3 (es) 2004-10-25 2007-07-01 Nestec S.A. Capsula con medios de cierre hermetico.
US9262284B2 (en) * 2006-12-07 2016-02-16 Lenovo Enterprise Solutions (Singapore) Pte. Ltd. Single channel memory mirror

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US961852A (en) * 1909-02-01 1910-06-21 Tamaki Fujita Universal photometer.
US2742813A (en) * 1952-10-17 1956-04-24 Zeininger Henry Percy Projection apparatus for displaying precious stones
US2867916A (en) * 1954-10-19 1959-01-13 Bertram Michael Landemann Apparatus for optically mixing colors
US2960909A (en) * 1957-01-07 1960-11-22 Jr Robert M Shipley Method for determination of color of gems
JPS5423270B1 (da) * 1970-03-13 1979-08-13
GB1416568A (en) * 1972-10-20 1975-12-03 Wilson S S Method of and apparatus for evaluating registering and identifying gemstones
AT344419B (de) * 1973-03-20 1978-07-25 Dihaco Diamanten Handels Co Vorrichtung zur feststellung der bewertungsdaten von farbedelsteinen, insbesondere brillanten
DE2537089C3 (de) * 1975-08-20 1978-08-10 Original Hanau Quarzlampen Gmbh, 6450 Hanau Anordnung zur Messung des Unterschiedes zwischen den Farben einer Farbprobe und eines Farbmusters

Also Published As

Publication number Publication date
EP0007809A1 (en) 1980-02-06
JPS55500433A (da) 1980-07-17
DE2965818D1 (en) 1983-08-11
EP0007809B1 (en) 1983-07-06
IE791395L (en) 1980-01-28
US4266871A (en) 1981-05-12
IE48380B1 (en) 1984-12-26
WO1980000372A1 (en) 1980-03-06

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Legal Events

Date Code Title Description
PBP Patent lapsed
AHB Application shelved due to non-payment