FR2204839A1 - - Google Patents

Info

Publication number
FR2204839A1
FR2204839A1 FR7338883A FR7338883A FR2204839A1 FR 2204839 A1 FR2204839 A1 FR 2204839A1 FR 7338883 A FR7338883 A FR 7338883A FR 7338883 A FR7338883 A FR 7338883A FR 2204839 A1 FR2204839 A1 FR 2204839A1
Authority
FR
France
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.)
Withdrawn
Application number
FR7338883A
Other languages
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.)
3M Co
Original Assignee
Minnesota Mining and Manufacturing Co
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 Minnesota Mining and Manufacturing Co filed Critical Minnesota Mining and Manufacturing Co
Publication of FR2204839A1 publication Critical patent/FR2204839A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06M—COUNTING MECHANISMS; COUNTING OF OBJECTS NOT OTHERWISE PROVIDED FOR
    • G06M11/00—Counting of objects distributed at random, e.g. on a surface

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
FR7338883A 1972-11-01 1973-10-31 Withdrawn FR2204839A1 (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US302810A US3867613A (en) 1972-11-01 1972-11-01 Particle counting apparatus

Publications (1)

Publication Number Publication Date
FR2204839A1 true FR2204839A1 (enrdf_load_stackoverflow) 1974-05-24

Family

ID=23169301

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7338883A Withdrawn FR2204839A1 (enrdf_load_stackoverflow) 1972-11-01 1973-10-31

Country Status (8)

Country Link
US (1) US3867613A (enrdf_load_stackoverflow)
JP (1) JPS4978585A (enrdf_load_stackoverflow)
AU (1) AU470830B2 (enrdf_load_stackoverflow)
CA (1) CA996770A (enrdf_load_stackoverflow)
FR (1) FR2204839A1 (enrdf_load_stackoverflow)
GB (1) GB1406575A (enrdf_load_stackoverflow)
IT (1) IT994477B (enrdf_load_stackoverflow)
NL (1) NL7314406A (enrdf_load_stackoverflow)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3978324A (en) * 1975-02-04 1976-08-31 Hawker Siddeley Dynamics Limited Automatic crop inventory system
US4207001A (en) * 1976-05-24 1980-06-10 The University Of Queensland Particle size analyzer
US4181130A (en) * 1977-11-04 1980-01-01 Ivac Corporation Drop discriminator system
JPH01296974A (ja) * 1988-05-23 1989-11-30 Toyo Jozo Co Ltd コロニー計数装置
US7039823B2 (en) * 2002-04-26 2006-05-02 Texas Instruments Incorporated On-chip reset circuitry and method
US7109475B1 (en) * 2005-04-28 2006-09-19 Thermo Finnigan Llc Leading edge/trailing edge TOF detection
DE102006021487B3 (de) * 2006-05-05 2007-09-06 Parsum Gmbh Verfahren und Vorrichtung zur Bestimmung der in einem Partikelstrom enthaltenen Partikel
WO2015155551A1 (en) 2014-04-11 2015-10-15 Micromass Uk Limited Ion entry/exit device

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB778288A (en) * 1954-05-28 1957-07-03 Cinema Television Ltd Improvements in or relating to the electronic counting of objects
US2948470A (en) * 1957-03-15 1960-08-09 Du Mont Allen B Lab Inc Particle counter
DE1084059B (de) * 1957-05-17 1960-06-23 Philips Nv Vorrichtung zur Teilchenzaehlung
US3178688A (en) * 1962-12-20 1965-04-13 Control Data Corp Character recognition by feature selection
US3437394A (en) * 1966-07-26 1969-04-08 Nasa Electromagnetic mirror drive system
US3557352A (en) * 1967-11-01 1971-01-19 Coulter Electronics Apparatus and method for measuring a dividing particle size of a particulate system

Also Published As

Publication number Publication date
IT994477B (it) 1975-10-20
AU470830B2 (en) 1976-04-01
CA996770A (en) 1976-09-14
AU6204973A (en) 1975-05-01
DE2355119B2 (de) 1977-01-27
NL7314406A (enrdf_load_stackoverflow) 1974-05-03
US3867613A (en) 1975-02-18
JPS4978585A (enrdf_load_stackoverflow) 1974-07-29
DE2355119A1 (de) 1974-05-22
GB1406575A (en) 1975-09-17

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Legal Events

Date Code Title Description
ST Notification of lapse