JPS55500433A - - Google Patents
Info
- Publication number
- JPS55500433A JPS55500433A JP50124879A JP50124879A JPS55500433A JP S55500433 A JPS55500433 A JP S55500433A JP 50124879 A JP50124879 A JP 50124879A JP 50124879 A JP50124879 A JP 50124879A JP S55500433 A JPS55500433 A JP S55500433A
- Authority
- JP
- Japan
- Legal status (The legal status 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 status listed.)
- Pending
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)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US05/928,771 US4266871A (en) | 1978-07-28 | 1978-07-28 | Apparatus for visually duplicating gemstones |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS55500433A true JPS55500433A (ja) | 1980-07-17 |
Family
ID=25456729
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP50124879A Pending JPS55500433A (ja) | 1978-07-28 | 1979-07-23 |
Country Status (7)
Country | Link |
---|---|
US (1) | US4266871A (ja) |
EP (1) | EP0007809B1 (ja) |
JP (1) | JPS55500433A (ja) |
DE (1) | DE2965818D1 (ja) |
DK (1) | DK118480A (ja) |
IE (1) | IE48380B1 (ja) |
WO (1) | WO1980000372A1 (ja) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3172491D1 (en) * | 1980-06-04 | 1985-11-07 | Gersan Ets | 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 |
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 |
DK1700548T4 (en) | 2004-10-25 | 2019-02-11 | Nestec Sa | Beverage Production System |
US9262284B2 (en) * | 2006-12-07 | 2016-02-16 | Lenovo Enterprise Solutions (Singapore) Pte. Ltd. | Single channel memory mirror |
Family Cites Families (8)
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 (ja) * | 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 |
-
1978
- 1978-07-28 US US05/928,771 patent/US4266871A/en not_active Expired - Lifetime
-
1979
- 1979-07-23 JP JP50124879A patent/JPS55500433A/ja active Pending
- 1979-07-23 WO PCT/US1979/000535 patent/WO1980000372A1/en unknown
- 1979-07-27 DE DE7979301504T patent/DE2965818D1/de not_active Expired
- 1979-07-27 EP EP79301504A patent/EP0007809B1/en not_active Expired
- 1979-08-08 IE IE1395/79A patent/IE48380B1/en unknown
-
1980
- 1980-03-19 DK DK118480A patent/DK118480A/da not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
US4266871A (en) | 1981-05-12 |
DE2965818D1 (en) | 1983-08-11 |
WO1980000372A1 (en) | 1980-03-06 |
IE48380B1 (en) | 1984-12-26 |
EP0007809B1 (en) | 1983-07-06 |
DK118480A (da) | 1980-03-19 |
IE791395L (en) | 1980-01-28 |
EP0007809A1 (en) | 1980-02-06 |