FR2151922A5 - - Google Patents

Info

Publication number
FR2151922A5
FR2151922A5 FR7230330A FR7230330A FR2151922A5 FR 2151922 A5 FR2151922 A5 FR 2151922A5 FR 7230330 A FR7230330 A FR 7230330A FR 7230330 A FR7230330 A FR 7230330A FR 2151922 A5 FR2151922 A5 FR 2151922A5
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.)
Expired
Application number
FR7230330A
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of FR2151922A5 publication Critical patent/FR2151922A5/fr
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)
  • Biochemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Dispersion Chemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • 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)
FR7230330A 1971-08-30 1972-08-25 Expired FR2151922A5 (fr)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
FR2151922A5 true FR2151922A5 (fr) 1973-04-20

Family

ID=22642981

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7230330A Expired FR2151922A5 (fr) 1971-08-30 1972-08-25

Country Status (6)

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

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0010071A2 (fr) * 1978-09-07 1980-04-16 SALUS ISTITUTO DIAGNOSTICO DI CROCE' DR.FRANCESCO & C. s.a.s. Appareil pour la détermination automatique, en pourcentages, du volume de particules en suspension dans un liquide
FR2438835A1 (fr) * 1978-10-13 1980-05-09 Technical Dev Co Dispositif de controle de la quantite de particules ferreuses presentes dans un systeme de lubrification

Families Citing this family (16)

* 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
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 (fr) * 1984-02-20 1987-07-21 Larry J. Conway Generateur de signaux hyperfrequences complexes
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 (fr) * 1966-10-19 1970-01-07

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0010071A2 (fr) * 1978-09-07 1980-04-16 SALUS ISTITUTO DIAGNOSTICO DI CROCE' DR.FRANCESCO & C. s.a.s. Appareil pour la détermination automatique, en pourcentages, du volume de particules en suspension dans un liquide
EP0010071A3 (fr) * 1978-09-07 1980-05-14 SALUS ISTITUTO DIAGNOSTICO DI CROCE' DR.FRANCESCO & C. s.a.s. Appareil pour la détermination automatique, en pourcentages, du volume de particules en suspension dans un liquide
FR2438835A1 (fr) * 1978-10-13 1980-05-09 Technical Dev Co Dispositif de controle de la quantite de particules ferreuses presentes dans un systeme de lubrification

Also Published As

Publication number Publication date
DE2241724C3 (de) 1980-06-26
CA965482A (en) 1975-04-01
DE2241724B2 (de) 1976-06-24
US3783247A (en) 1974-01-01
GB1399496A (en) 1975-07-02
JPS4833893A (fr) 1973-05-14
JPS549511B2 (fr) 1979-04-25
DE2241724A1 (de) 1973-03-08

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Legal Events

Date Code Title Description
ST Notification of lapse