GB2198551B - Integrating cavity - Google Patents

Integrating cavity

Info

Publication number
GB2198551B
GB2198551B GB08729705A GB8729705A GB2198551B GB 2198551 B GB2198551 B GB 2198551B GB 08729705 A GB08729705 A GB 08729705A GB 8729705 A GB8729705 A GB 8729705A GB 2198551 B GB2198551 B GB 2198551B
Authority
GB
United Kingdom
Prior art keywords
integrating cavity
integrating
cavity
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.)
Expired
Application number
GB08729705A
Other versions
GB2198551A (en
GB8729705D0 (en
Inventor
Christopher Mark Welbourn
Martin Phillip Smith
Andrew David Garry Stewart
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.)
SPANDREL ETS
Spandrel Establishment
Original Assignee
SPANDREL ETS
Spandrel Establishment
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
Priority claimed from GB848425274A external-priority patent/GB8425274D0/en
Application filed by SPANDREL ETS, Spandrel Establishment filed Critical SPANDREL ETS
Priority to GB08729705A priority Critical patent/GB2198551B/en
Publication of GB8729705D0 publication Critical patent/GB8729705D0/en
Publication of GB2198551A publication Critical patent/GB2198551A/en
Application granted granted Critical
Publication of GB2198551B publication Critical patent/GB2198551B/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
    • B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
    • B07C5/34—Sorting according to other particular properties
    • B07C5/342—Sorting according to other particular properties according to optical properties, e.g. colour
    • B07C5/3425—Sorting according to other particular properties according to optical properties, e.g. colour of granular material, e.g. ore particles, grain
    • 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
    • G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/47—Scattering, i.e. diffuse reflection
    • G01N21/4738—Diffuse reflection, e.g. also for testing fluids, fibrous materials
    • G01N21/474—Details of optical heads therefor, e.g. using optical fibres
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2201/00—Features of devices classified in G01N21/00
    • G01N2201/06—Illumination; Optics
    • G01N2201/065—Integrating spheres

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)
  • Spectrometry And Color Measurement (AREA)
GB08729705A 1984-10-05 1987-12-21 Integrating cavity Expired GB2198551B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB08729705A GB2198551B (en) 1984-10-05 1987-12-21 Integrating cavity

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB848425274A GB8425274D0 (en) 1984-10-05 1984-10-05 Signal responsive to parameter of objects
GB08729705A GB2198551B (en) 1984-10-05 1987-12-21 Integrating cavity

Publications (3)

Publication Number Publication Date
GB8729705D0 GB8729705D0 (en) 1988-02-03
GB2198551A GB2198551A (en) 1988-06-15
GB2198551B true GB2198551B (en) 1988-11-02

Family

ID=26288313

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08729705A Expired GB2198551B (en) 1984-10-05 1987-12-21 Integrating cavity

Country Status (1)

Country Link
GB (1) GB2198551B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9103552D0 (en) * 1991-02-20 1991-04-10 Gersan Ets Classifying or sorting
GB9418049D0 (en) * 1994-09-07 1994-10-26 Gersan Ets Examining a diamond
GB9802982D0 (en) * 1998-02-13 1998-04-08 United Utilities Plc Optical measurement
ITBO20040798A1 (en) * 2004-12-23 2005-03-23 Enea Ente Nuove Tec INTEGRATING BALL UNIT FOR RADIATION ATTENUATION.

Also Published As

Publication number Publication date
GB2198551A (en) 1988-06-15
GB8729705D0 (en) 1988-02-03

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20041001