CH481431A - Teilchenzähler - Google Patents

Teilchenzähler

Info

Publication number
CH481431A
CH481431A CH514068A CH514068A CH481431A CH 481431 A CH481431 A CH 481431A CH 514068 A CH514068 A CH 514068A CH 514068 A CH514068 A CH 514068A CH 481431 A CH481431 A CH 481431A
Authority
CH
Switzerland
Prior art keywords
particle counter
counter
particle
Prior art date
Application number
CH514068A
Other languages
English (en)
Inventor
Schoen Kurt
Original Assignee
Contraves Ag
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 Contraves Ag filed Critical Contraves Ag
Priority to CH514068A priority Critical patent/CH481431A/de
Priority to CH189669A priority patent/CH497003A/de
Priority to DE19691912056 priority patent/DE1912056C3/de
Priority to US807853A priority patent/US3614607A/en
Priority to GB1424969A priority patent/GB1216635A/en
Priority to FR6909695A priority patent/FR2005602A1/fr
Priority to SE471669A priority patent/SE352465B/xx
Publication of CH481431A publication Critical patent/CH481431A/de
Priority to CH521671A priority patent/CH532291A/de

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

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 Analyzing Materials By The Use Of Electric Means (AREA)
CH514068A 1968-04-05 1968-04-05 Teilchenzähler CH481431A (de)

Priority Applications (8)

Application Number Priority Date Filing Date Title
CH514068A CH481431A (de) 1968-04-05 1968-04-05 Teilchenzähler
CH189669A CH497003A (de) 1968-04-05 1969-02-07 Teilchenzählvorrichtung
DE19691912056 DE1912056C3 (de) 1968-04-05 1969-03-10 Vorrichtung zum Zaehlen und/oder Analysieren von in einer Fluessigkeit suspendierten Teilchen
US807853A US3614607A (en) 1968-04-05 1969-03-17 Particle counting apparatus
GB1424969A GB1216635A (en) 1968-04-05 1969-03-18 Improvements in and relating to particle counters
FR6909695A FR2005602A1 (de) 1968-04-05 1969-03-31
SE471669A SE352465B (de) 1968-04-05 1969-04-02
CH521671A CH532291A (de) 1968-04-05 1971-04-08 Zählvorrichtung zum Zählen von in einer Flüssigkeit suspendierten Teilchen

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH514068A CH481431A (de) 1968-04-05 1968-04-05 Teilchenzähler

Publications (1)

Publication Number Publication Date
CH481431A true CH481431A (de) 1969-11-15

Family

ID=4288602

Family Applications (1)

Application Number Title Priority Date Filing Date
CH514068A CH481431A (de) 1968-04-05 1968-04-05 Teilchenzähler

Country Status (2)

Country Link
US (1) US3614607A (de)
CH (1) CH481431A (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3783376A (en) * 1972-06-21 1974-01-01 Becton Dickinson Co Particle counter having removable aperture slide
US3921066A (en) * 1974-02-25 1975-11-18 Angel Eng Corp Blood test device and method
US3921006A (en) * 1974-09-16 1975-11-18 Coulter Electronics Particle counting apparatus including isolated manometer
US3958177A (en) * 1974-12-17 1976-05-18 Sherwood Medical Industries Inc. Particle analyzing device with changeable aperture means
US5432992A (en) * 1993-12-23 1995-07-18 Abbott Laboratories Method of making count probe with removable count wafer
US5402062A (en) * 1993-12-23 1995-03-28 Abbott Laboratories Mechanical capture of count wafer for particle analysis
WO1995017659A1 (en) * 1993-12-23 1995-06-29 Abbott Laboratories Method of making a stress relieved count probe

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE542114A (de) * 1955-02-24 1900-01-01
NL127771C (de) * 1958-12-29
US3165692A (en) * 1961-05-15 1965-01-12 Technicon Instr Continuously operable apparatus and method for counting particles in successive portions of a flowing fluid stream

Also Published As

Publication number Publication date
US3614607A (en) 1971-10-19

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Legal Events

Date Code Title Description
PL Patent ceased