FR2141058A5 - - Google Patents

Info

Publication number
FR2141058A5
FR2141058A5 FR7214497A FR7214497A FR2141058A5 FR 2141058 A5 FR2141058 A5 FR 2141058A5 FR 7214497 A FR7214497 A FR 7214497A FR 7214497 A FR7214497 A FR 7214497A FR 2141058 A5 FR2141058 A5 FR 2141058A5
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
FR7214497A
Other languages
French (fr)
Inventor
W H Coulter
W R Hogg
Jr M D Longman
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 FR2141058A5 publication Critical patent/FR2141058A5/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K5/00—Manipulating of pulses not covered by one of the other main groups of this subclass
    • H03K5/153—Arrangements in which a pulse is delivered at the instant when a predetermined characteristic of an input signal is present or at a fixed time interval after this instant
    • 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
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06G—ANALOGUE COMPUTERS
    • G06G7/00—Devices in which the computing operation is performed by varying electric or magnetic quantities
    • G06G7/12—Arrangements for performing computing operations, e.g. operational amplifiers
    • G06G7/18—Arrangements for performing computing operations, e.g. operational amplifiers for integration or differentiation; for forming integrals

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Biochemistry (AREA)
  • Computer Hardware Design (AREA)
  • Dispersion Chemistry (AREA)
  • Software Systems (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Nonlinear Science (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
  • Investigating Or Analysing Biological Materials (AREA)
FR7214497A 1971-04-28 1972-04-24 Expired FR2141058A5 (enrdf_load_stackoverflow)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US13809671A 1971-04-28 1971-04-28
US21537472A 1972-01-04 1972-01-04

Publications (1)

Publication Number Publication Date
FR2141058A5 true FR2141058A5 (enrdf_load_stackoverflow) 1973-01-19

Family

ID=26835860

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7214497A Expired FR2141058A5 (enrdf_load_stackoverflow) 1971-04-28 1972-04-24

Country Status (14)

Country Link
JP (1) JPS535832B1 (enrdf_load_stackoverflow)
AR (1) AR204900A1 (enrdf_load_stackoverflow)
AU (1) AU460261B2 (enrdf_load_stackoverflow)
BE (1) BE782583A (enrdf_load_stackoverflow)
CA (1) CA952193A (enrdf_load_stackoverflow)
CH (1) CH565368A5 (enrdf_load_stackoverflow)
DE (1) DE2219973A1 (enrdf_load_stackoverflow)
ES (1) ES402053A1 (enrdf_load_stackoverflow)
FR (1) FR2141058A5 (enrdf_load_stackoverflow)
GB (1) GB1385363A (enrdf_load_stackoverflow)
IL (1) IL39276A (enrdf_load_stackoverflow)
IT (1) IT960260B (enrdf_load_stackoverflow)
NL (1) NL7205490A (enrdf_load_stackoverflow)
SE (1) SE376081B (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
BE782583A (nl) 1972-10-24
JPS535832B1 (enrdf_load_stackoverflow) 1978-03-02
AU460261B2 (en) 1975-04-24
IL39276A (en) 1975-07-28
IT960260B (it) 1973-11-20
NL7205490A (enrdf_load_stackoverflow) 1972-10-31
GB1385363A (en) 1975-02-26
AR204900A1 (es) 1976-03-19
ES402053A1 (es) 1975-11-16
DE2219973A1 (de) 1972-11-09
CA952193A (en) 1974-07-30
CH565368A5 (enrdf_load_stackoverflow) 1975-08-15
IL39276A0 (en) 1972-06-28
AU4151772A (en) 1973-11-01
SE376081B (enrdf_load_stackoverflow) 1975-05-05

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Legal Events

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ST Notification of lapse
CL Concession to grant licences