CA923724A - Methods and apparatus for distinguishing between bodies according to their translucency - Google Patents
Methods and apparatus for distinguishing between bodies according to their translucencyInfo
- Publication number
- CA923724A CA923724A CA081895A CA81895A CA923724A CA 923724 A CA923724 A CA 923724A CA 081895 A CA081895 A CA 081895A CA 81895 A CA81895 A CA 81895A CA 923724 A CA923724 A CA 923724A
- Authority
- CA
- Canada
- Prior art keywords
- translucency
- distinguishing
- methods
- bodies according
- bodies
- 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
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
- G01N21/17—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
-
- 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
-
- 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
- B07C5/36—Sorting apparatus characterised by the means used for distribution
- B07C5/363—Sorting apparatus characterised by the means used for distribution by means of air
- B07C5/365—Sorting apparatus characterised by the means used for distribution by means of air using a single separation means
- B07C5/366—Sorting apparatus characterised by the means used for distribution by means of air using a single separation means during free fall of the articles
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)
- Investigating Or Analysing Materials By Optical Means (AREA)
- Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
- Sorting Of Articles (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB2552969 | 1969-05-19 |
Publications (1)
Publication Number | Publication Date |
---|---|
CA923724A true CA923724A (en) | 1973-04-03 |
Family
ID=10229163
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA081895A Expired CA923724A (en) | 1969-05-19 | 1970-05-05 | Methods and apparatus for distinguishing between bodies according to their translucency |
Country Status (6)
Country | Link |
---|---|
US (1) | US3786266A (en) |
CA (1) | CA923724A (en) |
DE (2) | DE7018257U (en) |
FR (1) | FR2048464A5 (en) |
GB (1) | GB1305192A (en) |
ZA (1) | ZA702986B (en) |
Families Citing this family (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0017007A1 (en) * | 1979-03-31 | 1980-10-15 | Desitek Design und Vertrieb technischer Geräte GmbH | Measuring device for recording turbidity, especially of fluids |
NL8000349A (en) * | 1980-01-18 | 1981-08-17 | Rijksuniversiteit Broerstraat | OPTICAL REFLECTION METER. |
FI831936A0 (en) * | 1983-05-30 | 1983-05-30 | Labsystems Oy | FLUORESCENS, TURBIDITY, LUMINESCENS ELLER ABSORPTION |
FR2571144B1 (en) * | 1984-10-01 | 1986-12-19 | Centre Nat Rech Scient | DEVICE IN PARTICULAR FOR MULTI-MEASUREMENT FOR REMOTE AND IN SITU ANALYSIS OF A SAMPLE BY RAMAN SPECTROMETRY |
NL8502138A (en) * | 1985-07-26 | 1987-02-16 | Ekro Bv | FIBER-OPTICAL DEVICE. |
JPH0690149B2 (en) * | 1986-01-31 | 1994-11-14 | 東洋ガラス株式会社 | Transparency inspection device |
GB2195438A (en) * | 1986-09-26 | 1988-04-07 | Pilkington Brothers Plc | Detecting unwanted materials among cullet |
US4793710A (en) * | 1987-06-09 | 1988-12-27 | The United States Of America As Represented By The Secretary Of The Interior | Method and apparatus for measuring surface density of explosive and inert dust in stratified layers |
GB2211931B (en) * | 1987-11-02 | 1992-02-26 | De Beers Ind Diamond | Sorting apparatus |
US4994667A (en) * | 1988-09-08 | 1991-02-19 | Brown Neville E | Sorting apparatus with controllable windows and fiber optics |
US7142307B1 (en) * | 1991-03-01 | 2006-11-28 | Stark Edward W | Method and apparatus for optical interactance and transmittance measurements |
WO1993007468A1 (en) * | 1991-10-01 | 1993-04-15 | Oseney Limited | Scattered/transmitted light information system |
EP0574601B1 (en) * | 1992-06-15 | 1998-09-16 | Edward W. Stark | Improved method and apparatus for optical interactance and transmittance measurements |
DE4430332A1 (en) * | 1994-08-28 | 1996-02-29 | Hergeth Hubert A | Optical installation for detecting foreign particles in fibre line |
BE1012795A3 (en) * | 1999-07-23 | 2001-03-06 | Barco Elbicon N V | Use of optical waveguide technology in a sort device. |
NO336546B1 (en) | 2010-09-24 | 2015-09-21 | Tomra Sorting As | Apparatus and method for inspection of matter |
GB201202352D0 (en) | 2012-02-10 | 2012-03-28 | Buhler Sortex Ltd | Illumination and detection system |
US9643214B2 (en) | 2013-12-03 | 2017-05-09 | Outotec (Finland) Oy | Method and apparatus for sorting pieces of rock containing quartz vein from pieces of rock and computer program for a processing device |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3068742A (en) * | 1959-06-15 | 1962-12-18 | American Optical Corp | Means for performing colorimetry |
US3188478A (en) * | 1962-01-11 | 1965-06-08 | Melvin J Binks | Pinhole detector optical system |
US3240106A (en) * | 1962-03-08 | 1966-03-15 | Mosaic Fabrications Inc | Fiber optical scanning device |
US3327584A (en) * | 1963-09-09 | 1967-06-27 | Mechanical Tech Inc | Fiber optic proximity probe |
US3393800A (en) * | 1965-10-21 | 1968-07-23 | Fred A. Durand Jr. | Method and apparatus for measuring light |
DE1497586A1 (en) * | 1966-02-17 | 1969-07-10 | Schneider Feinwerktechnik Jos | Fiber optic scanning device |
US3518440A (en) * | 1967-04-26 | 1970-06-30 | Rochester Datronics Inc | Photoelectric sensing apparatus |
US3496363A (en) * | 1967-05-16 | 1970-02-17 | Electro Mechanical Research In | Electronic device for searching for and tracking a radiant object having a selectively controllable imaging system |
US3515273A (en) * | 1967-08-11 | 1970-06-02 | Fmc Corp | Method for detecting object in translucent substance and device therefor |
-
1969
- 1969-05-19 GB GB2552969A patent/GB1305192A/en not_active Expired
-
1970
- 1970-05-04 ZA ZA702986A patent/ZA702986B/en unknown
- 1970-05-05 CA CA081895A patent/CA923724A/en not_active Expired
- 1970-05-06 US US00035198A patent/US3786266A/en not_active Expired - Lifetime
- 1970-05-15 DE DE7018257U patent/DE7018257U/en not_active Expired
- 1970-05-15 DE DE19702023893 patent/DE2023893A1/en active Pending
- 1970-05-15 FR FR7017978A patent/FR2048464A5/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE2023893A1 (en) | 1970-11-26 |
FR2048464A5 (en) | 1971-03-19 |
DE7018257U (en) | 1970-11-05 |
GB1305192A (en) | 1973-01-31 |
US3786266A (en) | 1974-01-15 |
ZA702986B (en) | 1971-12-29 |
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