IL27479A - Pulse analyzing apparatus - Google Patents

Pulse analyzing apparatus

Info

Publication number
IL27479A
IL27479A IL27479A IL2747967A IL27479A IL 27479 A IL27479 A IL 27479A IL 27479 A IL27479 A IL 27479A IL 2747967 A IL2747967 A IL 2747967A IL 27479 A IL27479 A IL 27479A
Authority
IL
Israel
Prior art keywords
pulse
switch
center
signal
coupled
Prior art date
Application number
IL27479A
Other languages
English (en)
Original Assignee
Coulter W
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 Coulter W filed Critical Coulter W
Publication of IL27479A publication Critical patent/IL27479A/en

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N15/00Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
    • G01N15/10Investigating individual particles
    • G01N15/1031Investigating individual particles by measuring electrical or magnetic effects
    • G01N15/12Investigating 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
    • G01N15/131Details
    • G01N15/132Circuits
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03KPULSE TECHNIQUE
    • H03K5/00Manipulating of pulses not covered by one of the other main groups of this subclass
    • H03K5/153Arrangements 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
    • H03K5/1532Peak detectors

Landscapes

  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Pathology (AREA)
  • Nonlinear Science (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
  • Reciprocating Pumps (AREA)
  • Details And Applications Of Rotary Liquid Pumps (AREA)
  • Measurement Of Current Or Voltage (AREA)
IL27479A 1966-02-23 1967-02-23 Pulse analyzing apparatus IL27479A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US52945266A 1966-02-23 1966-02-23
US61449667A 1967-02-07 1967-02-07

Publications (1)

Publication Number Publication Date
IL27479A true IL27479A (en) 1971-02-25

Family

ID=27063022

Family Applications (1)

Application Number Title Priority Date Filing Date
IL27479A IL27479A (en) 1966-02-23 1967-02-23 Pulse analyzing apparatus

Country Status (11)

Country Link
BE (1) BE694505A (enrdf_load_html_response)
BR (1) BR6787254D0 (enrdf_load_html_response)
CH (1) CH469271A (enrdf_load_html_response)
DE (1) DE1623657B1 (enrdf_load_html_response)
DK (1) DK119984B (enrdf_load_html_response)
ES (1) ES337204A1 (enrdf_load_html_response)
GB (1) GB1160026A (enrdf_load_html_response)
IL (1) IL27479A (enrdf_load_html_response)
NL (1) NL6702814A (enrdf_load_html_response)
NO (1) NO123973B (enrdf_load_html_response)
SE (1) SE327215B (enrdf_load_html_response)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2996624A (en) * 1959-08-11 1961-08-15 Victor R Mumma Method for stretching photometer pulses for accurate measurement of pulse height

Also Published As

Publication number Publication date
NO123973B (enrdf_load_html_response) 1972-02-07
ES337204A1 (es) 1968-04-01
BE694505A (enrdf_load_html_response) 1967-08-23
GB1160026A (en) 1969-07-30
SE327215B (enrdf_load_html_response) 1970-08-17
DK119984B (da) 1971-03-22
CH469271A (fr) 1969-02-28
NL6702814A (enrdf_load_html_response) 1967-08-24
BR6787254D0 (pt) 1973-07-19
DE1623657B1 (de) 1972-02-03

Similar Documents

Publication Publication Date Title
US2656508A (en) Means for counting particles suspended in a fluid
US4298836A (en) Particle shape determination
US3502973A (en) Collating apparatus for pairs of electrical pulses produced by particle analyzing apparatus
US5134379A (en) Capacitive material presence detecting apparatus
US3668531A (en) Pulse analyzing apparatus
CA1103312A (en) Method and apparatus for particle analysis
EP0651882A1 (en) Method of and apparatus for determining a property of a sample
US10641697B2 (en) Device for counting particles
US4525666A (en) Cell breakdown
US3775679A (en) Apparatus and method for direct readout of capacitively gauged dimensions
CA1259670A (en) Method and apparatus for editing particle produced electrical pulses
US3739258A (en) Method and apparatus for detecting and sizing microscopic particles
US3863160A (en) Method and apparatus for finding the center amplitude of each pulse of a train of random amplitude asymmetric pulses
US3439267A (en) Automatic hematocrit measuring apparatus
US3936741A (en) Method and apparatus for providing primary coincidence correction during particle analysis utilizing time generation techniques
US3155900A (en) Measuring system for determining the mass of a dielectric material utilizing a capacitive probe at two frequencies
US3890568A (en) Method and apparatus for particle length measurement
US3961249A (en) Particle size distribution analyzation employing trailing edge differentiation
EP0242971B1 (en) Element for use in a particle counter
IL27479A (en) Pulse analyzing apparatus
US3123999A (en) Amplifier-
Bader et al. Theory of coincidence counts and simple practical methods of coincidence count correction for optical and resistive pulse particle counters
US3760281A (en) Axial trajectory sensor having gating means controlled by pulse duration measuring for electronic particle study apparatus
US3331950A (en) Particle distribution plotting apparatus
US5907240A (en) Method and apparatus for cell differentiation by measuring apparent cell size, membrane integrity and intracellular complexity