AU470830B2 - Particle counting apparatus - Google Patents

Particle counting apparatus

Info

Publication number
AU470830B2
AU470830B2 AU62049/73A AU6204973A AU470830B2 AU 470830 B2 AU470830 B2 AU 470830B2 AU 62049/73 A AU62049/73 A AU 62049/73A AU 6204973 A AU6204973 A AU 6204973A AU 470830 B2 AU470830 B2 AU 470830B2
Authority
AU
Australia
Prior art keywords
counting apparatus
particle counting
particle
counting
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
AU62049/73A
Other versions
AU6204973A (en
Inventor
Jacob Schoon David
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 AU6204973A publication Critical patent/AU6204973A/en
Application granted granted Critical
Publication of AU470830B2 publication Critical patent/AU470830B2/en
Expired legal-status Critical Current

Links

Classifications

    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
AU62049/73A 1972-11-01 1973-10-31 Particle counting apparatus Expired AU470830B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
USUS302810 1972-11-01
US302810A US3867613A (en) 1972-11-01 1972-11-01 Particle counting apparatus

Publications (2)

Publication Number Publication Date
AU6204973A AU6204973A (en) 1975-05-01
AU470830B2 true AU470830B2 (en) 1976-04-01

Family

ID=23169301

Family Applications (1)

Application Number Title Priority Date Filing Date
AU62049/73A Expired AU470830B2 (en) 1972-11-01 1973-10-31 Particle counting apparatus

Country Status (8)

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

Families Citing this family (7)

* 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 (en) * 1988-05-23 1989-11-30 Toyo Jozo Co Ltd Colony counter
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 (en) * 2006-05-05 2007-09-06 Parsum Gmbh Particle amount determination method for use in particle stream, involves using evaluation unit that provides pulses for control signals used in regulating flow rate and particle size of particles stream by reducing radiation intensity

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 (en) * 1957-05-17 1960-06-23 Philips Nv Device for particle counting
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
FR2204839A1 (en) 1974-05-24
IT994477B (en) 1975-10-20
DE2355119B2 (en) 1977-01-27
JPS4978585A (en) 1974-07-29
CA996770A (en) 1976-09-14
US3867613A (en) 1975-02-18
DE2355119A1 (en) 1974-05-22
GB1406575A (en) 1975-09-17
NL7314406A (en) 1974-05-03
AU6204973A (en) 1975-05-01

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