JPS549511B2 - - Google Patents

Info

Publication number
JPS549511B2
JPS549511B2 JP8468272A JP8468272A JPS549511B2 JP S549511 B2 JPS549511 B2 JP S549511B2 JP 8468272 A JP8468272 A JP 8468272A JP 8468272 A JP8468272 A JP 8468272A JP S549511 B2 JPS549511 B2 JP S549511B2
Authority
JP
Japan
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
JP8468272A
Other languages
Japanese (ja)
Other versions
JPS4833893A (enrdf_load_stackoverflow
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 filed Critical
Publication of JPS4833893A publication Critical patent/JPS4833893A/ja
Publication of JPS549511B2 publication Critical patent/JPS549511B2/ja
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
    • G01N15/10—Investigating individual particles
    • G01N15/1031—Investigating individual particles by measuring electrical or magnetic effects
    • G01N15/12—Investigating individual particles by measuring electrical or magnetic effects by observing changes in resistance or impedance across apertures when traversed by individual particles, e.g. by using the Coulter principle
    • G01N15/131—Details
    • G01N15/132—Circuits

Landscapes

  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Or Analysing Biological Materials (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)
  • Other Investigation Or Analysis Of Materials By Electrical Means (AREA)
  • Measurement Of Radiation (AREA)
JP8468272A 1971-08-30 1972-08-25 Expired JPS549511B2 (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US17610171A 1971-08-30 1971-08-30

Publications (2)

Publication Number Publication Date
JPS4833893A JPS4833893A (enrdf_load_stackoverflow) 1973-05-14
JPS549511B2 true JPS549511B2 (enrdf_load_stackoverflow) 1979-04-25

Family

ID=22642981

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8468272A Expired JPS549511B2 (enrdf_load_stackoverflow) 1971-08-30 1972-08-25

Country Status (6)

Country Link
US (1) US3783247A (enrdf_load_stackoverflow)
JP (1) JPS549511B2 (enrdf_load_stackoverflow)
CA (1) CA965482A (enrdf_load_stackoverflow)
DE (1) DE2241724C3 (enrdf_load_stackoverflow)
FR (1) FR2151922A5 (enrdf_load_stackoverflow)
GB (1) GB1399496A (enrdf_load_stackoverflow)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3855455A (en) * 1973-01-18 1974-12-17 Eastman Kodak Co Signal analyzer
US3963983A (en) * 1973-04-18 1976-06-15 Coulter Electronics, Inc. Pulse amplitude discriminating circuit
US3973108A (en) * 1974-01-21 1976-08-03 Coulter Electronics, Inc. Pulse storing and retrieval circuit
US4052596A (en) * 1974-12-23 1977-10-04 Hycel, Inc. Automatic hematology analyzer
US4020286A (en) * 1975-05-19 1977-04-26 Metrosonics, Inc. Signal analysis apparatus for amplitude statistics
JPS5216133A (en) * 1975-07-30 1977-02-07 Hitachi Ltd Data reading system
JPS5324228A (en) * 1976-08-19 1978-03-06 Oki Electric Ind Co Ltd Mark reading system
JPS54107395A (en) * 1978-02-09 1979-08-23 Toa Medical Electronics Grain size distribution recorder
IT1105660B (it) * 1978-09-07 1985-11-04 Salus Istituto Diagnostico Di Apparecchiatura per discriminare in percentuale automaticamente il volume di particelle in sospensione in un liquido
US4219805A (en) * 1978-10-13 1980-08-26 Technical Development Company Lubricating oil debris monitoring system
JPS568527A (en) * 1979-07-02 1981-01-28 Toa Medical Electronics Co Ltd Particle analyzing device
JPS5649976A (en) * 1979-09-29 1981-05-06 Rhythm Watch Co Ltd Hour-striking device
JPS57179728A (en) * 1981-04-30 1982-11-05 Toa Medical Electronics Co Ltd Apparatus for analyzing particle
CA1224570A (en) * 1984-02-20 1987-07-21 Larry J. Conway Complex microwave signal generator
JPS6198447A (ja) * 1984-10-19 1986-05-16 Mitsubishi Electric Corp オンラインデジタル制御装置
DE3522186A1 (de) * 1985-06-21 1987-01-02 Hoechst Ag Messeinrichtung zum messen des verformungsvermoegens von roten blutkoerperchen
JPH0199528A (ja) * 1987-10-13 1989-04-18 Topcon Corp エアパフ型眼圧計
SU1737476A1 (ru) * 1988-02-10 1992-05-30 Всесоюзный Научно-Исследовательский Институт По Испытанию Машин И Оборудования Для Животноводства И Кормопроизводства Устройство дл контрол и регистрации параметров процесса высева

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2806205A (en) * 1953-12-09 1957-09-10 Applied Science Corp Of Prince Center finder
US3116458A (en) * 1959-12-21 1963-12-31 Ibm Peak sensing system employing sampling and logic circuits converting analog input topolarity-indicating digital output
US3502973A (en) * 1966-05-23 1970-03-24 Coulter Electronics Collating apparatus for pairs of electrical pulses produced by particle analyzing apparatus
JPS45132Y1 (enrdf_load_stackoverflow) * 1966-10-19 1970-01-07

Also Published As

Publication number Publication date
CA965482A (en) 1975-04-01
JPS4833893A (enrdf_load_stackoverflow) 1973-05-14
FR2151922A5 (enrdf_load_stackoverflow) 1973-04-20
DE2241724A1 (de) 1973-03-08
DE2241724C3 (de) 1980-06-26
US3783247A (en) 1974-01-01
DE2241724B2 (de) 1976-06-24
GB1399496A (en) 1975-07-02

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