GB2592551B - Measurement of rough gemstones - Google Patents

Measurement of rough gemstones Download PDF

Info

Publication number
GB2592551B
GB2592551B GB1908919.2A GB201908919A GB2592551B GB 2592551 B GB2592551 B GB 2592551B GB 201908919 A GB201908919 A GB 201908919A GB 2592551 B GB2592551 B GB 2592551B
Authority
GB
United Kingdom
Prior art keywords
measurement
rough gemstones
gemstones
rough
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.)
Active
Application number
GB1908919.2A
Other versions
GB2592551A (en
GB2592551A8 (en
GB201908919D0 (en
GB2592551B8 (en
Inventor
John Portsmouth Andrew
Harris Phillip
Bodhinayake Sudatta
He Hong Qi
Anthony Harries Trevor
Ralph Powell Graham
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.)
De Beers UK Ltd
Original Assignee
De Beers UK Ltd
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 De Beers UK Ltd filed Critical De Beers UK Ltd
Priority to GB1908919.2A priority Critical patent/GB2592551B8/en
Publication of GB201908919D0 publication Critical patent/GB201908919D0/en
Priority to PCT/EP2020/064227 priority patent/WO2020254059A1/en
Publication of GB2592551A publication Critical patent/GB2592551A/en
Application granted granted Critical
Publication of GB2592551B publication Critical patent/GB2592551B/en
Publication of GB2592551A8 publication Critical patent/GB2592551A8/en
Publication of GB2592551B8 publication Critical patent/GB2592551B8/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B11/00—Measuring arrangements characterised by the use of optical techniques
    • G01B11/24—Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures
    • G01B11/2433—Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures for measuring outlines by shadow casting
    • 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
    • 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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01G—WEIGHING
    • G01G19/00—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups
    • G01G19/52—Weighing apparatus combined with other objects, e.g. furniture
    • 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
    • G01N21/85—Investigating moving fluids or granular solids
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/389—Precious stones; Pearls
    • A—HUMAN NECESSITIES
    • A44—HABERDASHERY; JEWELLERY
    • A44C—PERSONAL ADORNMENTS, e.g. JEWELLERY; COINS
    • A44C17/00—Gems or the like
    • 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
    • G01N21/85—Investigating moving fluids or granular solids
    • G01N2021/8592—Grain or other flowing solid samples

Landscapes

  • Physics & Mathematics (AREA)
  • General 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)
  • Immunology (AREA)
  • Pathology (AREA)
  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Medicinal Chemistry (AREA)
  • Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
GB1908919.2A 2019-06-21 2019-06-21 Measurement of rough gemstones Active GB2592551B8 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB1908919.2A GB2592551B8 (en) 2019-06-21 2019-06-21 Measurement of rough gemstones
PCT/EP2020/064227 WO2020254059A1 (en) 2019-06-21 2020-05-21 Measurement of rough gemstones

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1908919.2A GB2592551B8 (en) 2019-06-21 2019-06-21 Measurement of rough gemstones

Publications (5)

Publication Number Publication Date
GB201908919D0 GB201908919D0 (en) 2019-08-07
GB2592551A GB2592551A (en) 2021-09-08
GB2592551B true GB2592551B (en) 2023-01-25
GB2592551A8 GB2592551A8 (en) 2023-05-03
GB2592551B8 GB2592551B8 (en) 2023-05-03

Family

ID=67511711

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1908919.2A Active GB2592551B8 (en) 2019-06-21 2019-06-21 Measurement of rough gemstones

Country Status (2)

Country Link
GB (1) GB2592551B8 (en)
WO (1) WO2020254059A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2625547A (en) * 2022-12-20 2024-06-26 De Beers Uk Ltd Gemstone holder

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3960227A (en) * 1974-11-11 1976-06-01 Pitney-Bowes, Inc. High speed weighing scale
JPH09273994A (en) * 1996-04-04 1997-10-21 Ee P:Kk Method and apparatus for examining diamond
US20060066877A1 (en) * 2004-09-30 2006-03-30 Daniel Benzano Capture and display of image of three-dimensional object
WO2011054822A1 (en) * 2009-11-03 2011-05-12 De Beers Centenary AG Inclusion detection in polished gemstones
WO2014067932A1 (en) * 2012-10-30 2014-05-08 De Beers Centenary AG Measuring parameters of particulate material
WO2018054563A1 (en) * 2016-09-23 2018-03-29 Espera-Werke Gmbh Weighing apparatus and method for weighing a product
CN109389351A (en) * 2018-12-06 2019-02-26 金富智能软件(深圳)有限公司 A kind of sorting equipment and sorting system and method for sorting

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ATE504053T1 (en) * 2007-11-27 2011-04-15 Ideal Scope Pty Ltd METHOD AND SYSTEM FOR IMPROVED OPTICAL MODELING OF GEMSTONES
US9766114B2 (en) * 2015-08-26 2017-09-19 R.J. Reynolds Tobacco Company Capsule object inspection system and associated method

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3960227A (en) * 1974-11-11 1976-06-01 Pitney-Bowes, Inc. High speed weighing scale
JPH09273994A (en) * 1996-04-04 1997-10-21 Ee P:Kk Method and apparatus for examining diamond
US20060066877A1 (en) * 2004-09-30 2006-03-30 Daniel Benzano Capture and display of image of three-dimensional object
WO2011054822A1 (en) * 2009-11-03 2011-05-12 De Beers Centenary AG Inclusion detection in polished gemstones
WO2014067932A1 (en) * 2012-10-30 2014-05-08 De Beers Centenary AG Measuring parameters of particulate material
WO2018054563A1 (en) * 2016-09-23 2018-03-29 Espera-Werke Gmbh Weighing apparatus and method for weighing a product
CN109389351A (en) * 2018-12-06 2019-02-26 金富智能软件(深圳)有限公司 A kind of sorting equipment and sorting system and method for sorting

Also Published As

Publication number Publication date
WO2020254059A1 (en) 2020-12-24
GB2592551A (en) 2021-09-08
GB2592551A8 (en) 2023-05-03
GB201908919D0 (en) 2019-08-07
GB2592551B8 (en) 2023-05-03

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Legal Events

Date Code Title Description
S117 Correction of errors in patents and applications (sect. 117/patents act 1977)

Free format text: CORRECTIONS ALLOWED; REQUEST FOR CORRECTION UNDER SECTION 117 FILED ON 24 APRIL 2023 WAS ALLOWED ON 27 APRIL 2023