GB1422748A - Measuring instrument - Google Patents

Measuring instrument

Info

Publication number
GB1422748A
GB1422748A GB3924373A GB3924373A GB1422748A GB 1422748 A GB1422748 A GB 1422748A GB 3924373 A GB3924373 A GB 3924373A GB 3924373 A GB3924373 A GB 3924373A GB 1422748 A GB1422748 A GB 1422748A
Authority
GB
United Kingdom
Prior art keywords
pulses
particles
gate
accumulated
cell
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
GB3924373A
Other languages
English (en)
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.)
Rheinmetall Air Defence AG
Original Assignee
Oerlikon 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 Oerlikon Contraves AG filed Critical Oerlikon Contraves AG
Publication of GB1422748A publication Critical patent/GB1422748A/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)
  • 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)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
GB3924373A 1972-09-15 1973-08-20 Measuring instrument Expired GB1422748A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1352972A CH549211A (de) 1972-09-15 1972-09-15 Messgeraet zur bestimmung der konzentration von in einer elektrolytisch leitfaehigen fluessigkeit suspendierten teilchen.

Publications (1)

Publication Number Publication Date
GB1422748A true GB1422748A (en) 1976-01-28

Family

ID=4393213

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3924373A Expired GB1422748A (en) 1972-09-15 1973-08-20 Measuring instrument

Country Status (8)

Country Link
JP (1) JPS4966383A (enExample)
CA (1) CA987389A (enExample)
CH (1) CH549211A (enExample)
DE (1) DE2343363C3 (enExample)
FR (1) FR2199879A5 (enExample)
GB (1) GB1422748A (enExample)
IT (1) IT993184B (enExample)
SE (1) SE395770B (enExample)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE442247B (sv) * 1984-02-14 1985-12-09 Svenska Traeforskningsinst Anordning for att i en suspension med atminstone tva typer av suspenderade emnen var for sig meta halten av varje emnestyp

Also Published As

Publication number Publication date
CA987389A (en) 1976-04-13
CH549211A (de) 1974-05-15
DE2343363A1 (de) 1974-03-28
DE2343363B2 (de) 1975-04-30
IT993184B (it) 1975-09-30
SE395770B (sv) 1977-08-22
JPS4966383A (enExample) 1974-06-27
FR2199879A5 (enExample) 1974-04-12
DE2343363C3 (de) 1975-12-11

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee