FR1198473A - Perfectionnements aux appareils de granulométrie - Google Patents

Perfectionnements aux appareils de granulométrie

Info

Publication number
FR1198473A
FR1198473A FR1198473DA FR1198473A FR 1198473 A FR1198473 A FR 1198473A FR 1198473D A FR1198473D A FR 1198473DA FR 1198473 A FR1198473 A FR 1198473A
Authority
FR
France
Prior art keywords
granulometry
devices
granulometry devices
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
Other languages
English (en)
French (fr)
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.)
Cinema Television Ltd
Original Assignee
Cinema Television 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 Cinema Television Ltd filed Critical Cinema Television Ltd
Application granted granted Critical
Publication of FR1198473A publication Critical patent/FR1198473A/fr
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
    • B07C5/04—Sorting according to size
    • B07C5/10—Sorting according to size measured by light-responsive means
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06M—COUNTING MECHANISMS; COUNTING OF OBJECTS NOT OTHERWISE PROVIDED FOR
    • G06M11/00—Counting of objects distributed at random, e.g. on a surface
    • G06M11/02—Counting of objects distributed at random, e.g. on a surface using an electron beam scanning a surface line by line, e.g. of blood cells on a substrate
    • G06M11/04—Counting of objects distributed at random, e.g. on a surface using an electron beam scanning a surface line by line, e.g. of blood cells on a substrate with provision for distinguishing between different sizes of objects
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K21/00—Details of pulse counters or frequency dividers

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
  • Analogue/Digital Conversion (AREA)
  • Measurement Of Current Or Voltage (AREA)
FR1198473D 1958-01-23 1958-01-21 Perfectionnements aux appareils de granulométrie Expired FR1198473A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2510/57A GB845917A (en) 1958-01-23 1958-01-23 Improvements in or relating to particle sizing apparatus

Publications (1)

Publication Number Publication Date
FR1198473A true FR1198473A (fr) 1959-12-08

Family

ID=9740830

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1198473D Expired FR1198473A (fr) 1958-01-23 1958-01-21 Perfectionnements aux appareils de granulométrie

Country Status (4)

Country Link
US (1) US2965294A (de)
DE (1) DE1233641B (de)
FR (1) FR1198473A (de)
GB (1) GB845917A (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2047034A1 (de) * 1969-06-23 1971-03-12 Bausch & Lomb

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1266515B (de) * 1963-07-22 1968-04-18 Bayer Ag Verfahren und Vorrichtung zur Auswertung von Kurvenvorlagen
US4303851A (en) * 1979-10-16 1981-12-01 Otis Elevator Company People and object counting system
US4982412A (en) * 1989-03-13 1991-01-01 Moore Push-Pin Company Apparatus and method for counting a plurality of similar articles
US5101359A (en) * 1990-01-19 1992-03-31 Moore Push-Pin Company System for automatic discharge of articles
CN111824522A (zh) * 2019-04-18 2020-10-27 舟山市质量技术监督检测研究院 零误差电子数粒机

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2494441A (en) * 1948-07-28 1950-01-10 Rca Corp Method and apparatus for electronically determining particle size distribution
US2584052A (en) * 1949-08-30 1952-01-29 Paul E Sandorff Apparatus for counting blood corpuscles
BE509736A (de) * 1951-03-06

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2047034A1 (de) * 1969-06-23 1971-03-12 Bausch & Lomb

Also Published As

Publication number Publication date
US2965294A (en) 1960-12-20
DE1233641B (de) 1967-02-02
GB845917A (en) 1960-08-24

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