ZA893364B - Sensing a narrow frequency band of radiation and gemstones - Google Patents

Sensing a narrow frequency band of radiation and gemstones

Info

Publication number
ZA893364B
ZA893364B ZA893364A ZA893364A ZA893364B ZA 893364 B ZA893364 B ZA 893364B ZA 893364 A ZA893364 A ZA 893364A ZA 893364 A ZA893364 A ZA 893364A ZA 893364 B ZA893364 B ZA 893364B
Authority
ZA
South Africa
Prior art keywords
gemstones
sensing
radiation
frequency band
narrow frequency
Prior art date
Application number
ZA893364A
Inventor
Andrew David Garry Stewart
David Garry Stewart Andrew
Robin Wyncliffe Smith
Wyncliffe Smith Robin
Martin Phillip Smith
Phillip Smith Martin
Daniel Johannes Brink
Johannes Brink Daniel
Martin Cooper
Cooper Martin
Christopher Mark Welbourn
Mark Welbourn Christopher
Paul Martin Spear
Martin Spear Paul
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 ZA893364B publication Critical patent/ZA893364B/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
    • 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
    • G01N21/65—Raman scattering

Landscapes

  • Health & Medical Sciences (AREA)
  • Physics & Mathematics (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)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
ZA893364A 1988-05-06 1989-05-08 Sensing a narrow frequency band of radiation and gemstones ZA893364B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB888810723A GB8810723D0 (en) 1988-05-06 1988-05-06 Identifying specific objects/zones

Publications (1)

Publication Number Publication Date
ZA893364B true ZA893364B (en) 1991-01-30

Family

ID=10636444

Family Applications (6)

Application Number Title Priority Date Filing Date
ZA893363A ZA893363B (en) 1988-05-06 1989-05-08 A method of identifying specific objects or zones
ZA893365A ZA893365B (en) 1988-05-06 1989-05-08 Identifying gemstones
ZA893367A ZA893367B (en) 1988-05-06 1989-05-08 Identifying the position of objects or zones
ZA893362A ZA893362B (en) 1988-05-06 1989-05-08 A method of identifying individual objects or zones
ZA893368A ZA893368B (en) 1988-05-06 1989-05-08 Identifying gemstones
ZA893364A ZA893364B (en) 1988-05-06 1989-05-08 Sensing a narrow frequency band of radiation and gemstones

Family Applications Before (5)

Application Number Title Priority Date Filing Date
ZA893363A ZA893363B (en) 1988-05-06 1989-05-08 A method of identifying specific objects or zones
ZA893365A ZA893365B (en) 1988-05-06 1989-05-08 Identifying gemstones
ZA893367A ZA893367B (en) 1988-05-06 1989-05-08 Identifying the position of objects or zones
ZA893362A ZA893362B (en) 1988-05-06 1989-05-08 A method of identifying individual objects or zones
ZA893368A ZA893368B (en) 1988-05-06 1989-05-08 Identifying gemstones

Country Status (3)

Country Link
GB (1) GB8810723D0 (en)
IN (4) IN174124B (en)
ZA (6) ZA893363B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5404387A (en) * 1992-11-13 1995-04-04 Hammond; David J. Body scanning system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5404387A (en) * 1992-11-13 1995-04-04 Hammond; David J. Body scanning system

Also Published As

Publication number Publication date
GB8810723D0 (en) 1988-06-08
IN174052B (en) 1994-09-03
IN174124B (en) 1994-09-17
IN174122B (en) 1994-09-17
ZA893363B (en) 1991-01-30
ZA893365B (en) 1991-01-30
ZA893362B (en) 1991-01-30
IN174165B (en) 1994-10-01
ZA893368B (en) 1991-01-30
ZA893367B (en) 1991-01-30

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