CA952192A - Axial trajectory sensor for electronic particle study apparatus and method - Google Patents

Axial trajectory sensor for electronic particle study apparatus and method

Info

Publication number
CA952192A
CA952192A CA139,211A CA139211A CA952192A CA 952192 A CA952192 A CA 952192A CA 139211 A CA139211 A CA 139211A CA 952192 A CA952192 A CA 952192A
Authority
CA
Canada
Prior art keywords
axial trajectory
electronic particle
study apparatus
trajectory sensor
particle study
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
CA139,211A
Other languages
English (en)
Other versions
CA139211S (en
Inventor
Edward N. Doty
Walter R. Hogg
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 CA952192A publication Critical patent/CA952192A/en
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)
  • General Physics & Mathematics (AREA)
  • Pathology (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • Physics & Mathematics (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Dispersion Chemistry (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
  • Measurement Of Radiation (AREA)
  • Carbon Steel Or Casting Steel Manufacturing (AREA)
  • Investigating Or Analysing Biological Materials (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
  • Length Measuring Devices With Unspecified Measuring Means (AREA)
CA139,211A 1971-04-09 1972-04-07 Axial trajectory sensor for electronic particle study apparatus and method Expired CA952192A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US13277171A 1971-04-09 1971-04-09
US14253171A 1971-05-12 1971-05-12

Publications (1)

Publication Number Publication Date
CA952192A true CA952192A (en) 1974-07-30

Family

ID=26830715

Family Applications (1)

Application Number Title Priority Date Filing Date
CA139,211A Expired CA952192A (en) 1971-04-09 1972-04-07 Axial trajectory sensor for electronic particle study apparatus and method

Country Status (14)

Country Link
US (1) US3710264A (it)
JP (1) JPS5512980B1 (it)
AU (1) AU454012B2 (it)
BE (1) BE781818A (it)
CA (1) CA952192A (it)
CH (1) CH576137A5 (it)
DE (1) DE2216826C3 (it)
ES (1) ES401552A1 (it)
FR (1) FR2144208A5 (it)
GB (1) GB1355216A (it)
IL (1) IL39162A (it)
IT (1) IT968277B (it)
NL (1) NL7204672A (it)
SE (1) SE377855B (it)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3961271A (en) * 1975-02-07 1976-06-01 International Telephone And Telegraph Corporation Pulse width and amplitude screening circuit
US4189714A (en) * 1978-06-26 1980-02-19 Rca Corporation Analog-to-digital circuit with adjustable sensitivity
JPS6071218U (ja) * 1983-10-24 1985-05-20 株式会社ミドリ 傷口手当用絆創膏
GB2177804A (en) * 1985-05-31 1987-01-28 Coulter Electronics Analysing and editing electrical pulses
US4977517A (en) * 1988-09-21 1990-12-11 Toni Diagnostics, Inc. Leak and clog detection and removal system for use with particle counters
US6111398A (en) * 1997-07-03 2000-08-29 Coulter International Corp. Method and apparatus for sensing and characterizing particles
US6175227B1 (en) 1997-07-03 2001-01-16 Coulter International Corp. Potential-sensing method and apparatus for sensing and characterizing particles by the Coulter principle
FR2939199B1 (fr) * 2008-12-02 2011-02-11 C2 Diagnostics Procede et dispositif de cytometrie en flux sans fluide de gainage
WO2013186078A1 (de) * 2012-06-11 2013-12-19 Siemens Aktiengesellschaft Lichtbasierte partikeldetektion mit massenbestimmung

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3548206A (en) * 1969-01-14 1970-12-15 Royco Instr Inc Noise rejection circuits for particle counters
US3611157A (en) * 1969-06-09 1971-10-05 Us Navy Pulse width discriminator
US3600688A (en) * 1970-04-21 1971-08-17 Bethlehem Steel Corp Signal discriminator circuit

Also Published As

Publication number Publication date
AU454012B2 (en) 1974-10-17
GB1355216A (en) 1974-06-05
AU4092272A (en) 1973-10-11
ES401552A1 (es) 1975-11-16
DE2216826C3 (de) 1979-10-11
IT968277B (it) 1974-03-20
NL7204672A (it) 1972-10-11
JPS5512980B1 (it) 1980-04-05
US3710264A (en) 1973-01-09
FR2144208A5 (it) 1973-02-09
DE2216826A1 (de) 1972-11-09
DE2216826B2 (de) 1979-02-15
CH576137A5 (it) 1976-05-31
IL39162A0 (en) 1972-06-28
SE377855B (it) 1975-07-28
BE781818A (fr) 1972-10-09
IL39162A (en) 1975-02-10

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