GB8810724D0 - Sensing narrow band of frequencies - Google Patents

Sensing narrow band of frequencies

Info

Publication number
GB8810724D0
GB8810724D0 GB888810724A GB8810724A GB8810724D0 GB 8810724 D0 GB8810724 D0 GB 8810724D0 GB 888810724 A GB888810724 A GB 888810724A GB 8810724 A GB8810724 A GB 8810724A GB 8810724 D0 GB8810724 D0 GB 8810724D0
Authority
GB
United Kingdom
Prior art keywords
frequencies
narrow band
sensing
sensing narrow
band
Prior art date
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
Application number
GB888810724A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Gersan Ets
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
Priority to GB888810724A priority Critical patent/GB8810724D0/en
Publication of GB8810724D0 publication Critical patent/GB8810724D0/en
Priority to GB8910414A priority patent/GB2219394B/en
Priority to JP1114037A priority patent/JPH0285750A/en
Priority to AU34539/89A priority patent/AU626860B2/en
Priority to EP93105401A priority patent/EP0552821A2/en
Priority to DE198989304642T priority patent/DE345949T1/en
Priority to BR898902134A priority patent/BR8902134A/en
Priority to EP93105399A priority patent/EP0552819A2/en
Priority to ZA893366A priority patent/ZA893366B/en
Priority to CA000598957A priority patent/CA1334895C/en
Priority to EP93105400A priority patent/EP0552820A2/en
Priority to EP19890304642 priority patent/EP0345949A3/en
Priority to US07/810,355 priority patent/US5206699A/en
Priority to GB9202514A priority patent/GB2251305B/en
Priority to GB9202515A priority patent/GB2251306B/en
Priority to AU10778/92A priority patent/AU646542B2/en
Priority to AU10776/92A priority patent/AU646719B2/en
Priority to US08/031,585 priority patent/US5351117A/en
Pending legal-status Critical Current

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
GB888810724A 1988-05-06 1988-05-06 Sensing narrow band of frequencies Pending GB8810724D0 (en)

Priority Applications (18)

Application Number Priority Date Filing Date Title
GB888810724A GB8810724D0 (en) 1988-05-06 1988-05-06 Sensing narrow band of frequencies
GB8910414A GB2219394B (en) 1988-05-06 1989-05-05 Sensing a narrow frequency band of radiation and examining objects or zones
JP1114037A JPH0285750A (en) 1988-05-06 1989-05-06 Radiation having narrow frequency band and detection of gem
EP19890304642 EP0345949A3 (en) 1988-05-06 1989-05-08 Sensing a narrow frequency band of radiation and examining objects or zones
ZA893366A ZA893366B (en) 1988-05-06 1989-05-08 Sensing a narrow band of frequencies
EP93105400A EP0552820A2 (en) 1988-05-06 1989-05-08 Sorting diamonds or other minerals
DE198989304642T DE345949T1 (en) 1988-05-06 1989-05-08 DETECTING RADIATION IN A NARROW FREQUENCY BAND, AND TESTING OBJECTS OR AREAS.
BR898902134A BR8902134A (en) 1988-05-06 1989-05-08 APPARATUS FOR AND PROCESS OF EXAMINING OBJECTS OR EXAMINING AN ARTICLE
EP93105399A EP0552819A2 (en) 1988-05-06 1989-05-08 Sorting diamonds or other minerals
AU34539/89A AU626860B2 (en) 1988-05-06 1989-05-08 Sensing a narrow frequency band of radiation and gemstones
CA000598957A CA1334895C (en) 1988-05-06 1989-05-08 Sensing a narrow frequency band of radiation and gemstones
EP93105401A EP0552821A2 (en) 1988-05-06 1989-05-08 Monitoring an apparatus which uses scanned radiation
US07/810,355 US5206699A (en) 1988-05-06 1991-12-18 Sensing a narrow frequency band of radiation and gemstones
GB9202514A GB2251305B (en) 1988-05-06 1992-01-27 Sorting diamonds or other minerals.
GB9202515A GB2251306B (en) 1988-05-06 1992-01-27 Monitoring an apparatus which uses scanned radiation
AU10778/92A AU646542B2 (en) 1988-05-06 1992-02-06 Monitoring an apparatus which uses scanned radiation
AU10776/92A AU646719B2 (en) 1988-05-06 1992-02-06 Sorting diamonds or other minerals
US08/031,585 US5351117A (en) 1988-05-06 1993-03-15 Sensing a narrow frequency band and gemstones

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB888810724A GB8810724D0 (en) 1988-05-06 1988-05-06 Sensing narrow band of frequencies

Publications (1)

Publication Number Publication Date
GB8810724D0 true GB8810724D0 (en) 1988-06-08

Family

ID=10636445

Family Applications (1)

Application Number Title Priority Date Filing Date
GB888810724A Pending GB8810724D0 (en) 1988-05-06 1988-05-06 Sensing narrow band of frequencies

Country Status (2)

Country Link
GB (1) GB8810724D0 (en)
ZA (1) ZA893366B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9223818D0 (en) * 1992-11-13 1993-01-06 De Beers Ind Diamond Body scanning system

Also Published As

Publication number Publication date
ZA893366B (en) 1991-01-30

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