BE825975A - Lampe d'analyse, en particulier pour l'examen de pierres precieuses - Google Patents

Lampe d'analyse, en particulier pour l'examen de pierres precieuses

Info

Publication number
BE825975A
BE825975A BE153732A BE153732A BE825975A BE 825975 A BE825975 A BE 825975A BE 153732 A BE153732 A BE 153732A BE 153732 A BE153732 A BE 153732A BE 825975 A BE825975 A BE 825975A
Authority
BE
Belgium
Prior art keywords
examination
precious stones
analysis lamp
lamp
analysis
Prior art date
Application number
BE153732A
Other languages
English (en)
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 filed Critical
Publication of BE825975A publication Critical patent/BE825975A/fr

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
    • G01N21/62—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light
    • G01N21/63—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light optically excited
    • G01N21/64—Fluorescence; Phosphorescence
    • G01N21/6447—Fluorescence; Phosphorescence by visual observation
    • 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

  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Investigating, Analyzing Materials By Fluorescence Or Luminescence (AREA)
BE153732A 1974-02-26 1975-02-26 Lampe d'analyse, en particulier pour l'examen de pierres precieuses BE825975A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE7406627 1974-02-26

Publications (1)

Publication Number Publication Date
BE825975A true BE825975A (fr) 1975-06-16

Family

ID=6643954

Family Applications (1)

Application Number Title Priority Date Filing Date
BE153732A BE825975A (fr) 1974-02-26 1975-02-26 Lampe d'analyse, en particulier pour l'examen de pierres precieuses

Country Status (2)

Country Link
US (1) US3950102A (fr)
BE (1) BE825975A (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4380790A (en) * 1980-11-17 1983-04-19 Innomed Corporation Multi-function light device
US4394580A (en) * 1981-07-27 1983-07-19 L.C.E. Ltd. Method and apparatus for analyzing gems
US4763986A (en) * 1986-11-24 1988-08-16 Sego Marvin A Illuminated jeweler's loupe
US6056420A (en) * 1998-08-13 2000-05-02 Oxygen Enterprises, Ltd. Illuminator
US6585392B2 (en) * 2001-10-04 2003-07-01 Jong-Jiing Shiau Portable lamp having both a germicidal and black-glass lamp tubes
US20040257802A1 (en) * 2003-06-18 2004-12-23 Jacek Helenowski Support rod for a light source
US10352868B2 (en) * 2016-06-29 2019-07-16 Sy Kessler Sales, Inc. Grading lamp for gemstones

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2104079A (en) * 1934-09-29 1938-01-04 Kahn Julian Seth Fraud detector
US3431409A (en) * 1966-09-06 1969-03-04 Gen Plastics Corp Christmas ornament

Also Published As

Publication number Publication date
US3950102A (en) 1976-04-13

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: EICKHORST MANFRED

Effective date: 19840226