IT969915B - Procedimento e dispositivo per generare una grandezza proporzio nale all ampiezza d impulso media di una molteplicita di impulsi d ingresso - Google Patents

Procedimento e dispositivo per generare una grandezza proporzio nale all ampiezza d impulso media di una molteplicita di impulsi d ingresso

Info

Publication number
IT969915B
IT969915B IT30937/72A IT3093772A IT969915B IT 969915 B IT969915 B IT 969915B IT 30937/72 A IT30937/72 A IT 30937/72A IT 3093772 A IT3093772 A IT 3093772A IT 969915 B IT969915 B IT 969915B
Authority
IT
Italy
Prior art keywords
procedure
generating
multiple input
impulse width
proportional size
Prior art date
Application number
IT30937/72A
Other languages
English (en)
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
Application granted granted Critical
Publication of IT969915B publication Critical patent/IT969915B/it

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR 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
    • 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

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Dispersion Chemistry (AREA)
  • Computer Hardware Design (AREA)
  • Software Systems (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Or Analysing Biological Materials (AREA)
  • Measurement Of Current Or Voltage (AREA)
IT30937/72A 1971-11-09 1972-10-26 Procedimento e dispositivo per generare una grandezza proporzio nale all ampiezza d impulso media di una molteplicita di impulsi d ingresso IT969915B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1624671A CH538787A (de) 1971-11-09 1971-11-09 Verfahren und Einrichtung zur Erzeugung einer Grösse, die der mittleren Impulsscheitelhöhe einer Vielzahl von Eingangsimpulsen proportional ist

Publications (1)

Publication Number Publication Date
IT969915B true IT969915B (it) 1974-04-10

Family

ID=4415654

Family Applications (1)

Application Number Title Priority Date Filing Date
IT30937/72A IT969915B (it) 1971-11-09 1972-10-26 Procedimento e dispositivo per generare una grandezza proporzio nale all ampiezza d impulso media di una molteplicita di impulsi d ingresso

Country Status (9)

Country Link
US (1) US3878369A (it)
JP (1) JPS4859897A (it)
CA (1) CA958119A (it)
CH (1) CH538787A (it)
DE (1) DE2239449C3 (it)
FR (1) FR2152270A5 (it)
GB (1) GB1366049A (it)
IT (1) IT969915B (it)
SE (1) SE397587B (it)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4068169A (en) * 1976-09-21 1978-01-10 Hycel, Inc. Method and apparatus for determining hematocrit
ES487980A1 (es) * 1979-03-27 1980-10-01 Contraves Ag Dispositivo para un aparato analizador de particulas
US6653616B2 (en) * 2002-01-11 2003-11-25 Alcor Micro, Corp. Device for processing output signals from a photo-diode
US10605642B1 (en) * 2019-11-27 2020-03-31 Altec Industries, Inc. Conductive liquid sensing system

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1177774A (fr) * 1960-04-26 1959-04-29 Evans Electroselenium Ltd Perfectionnements aux appareils de comptage des petites particules
US3259891A (en) * 1964-05-01 1966-07-05 Coulter Electronics Debris alarm
US3345502A (en) * 1964-08-14 1967-10-03 Robert H Berg Pulse analyzer computer
US3579249A (en) * 1969-08-08 1971-05-18 Reynolds Metals Co Feature counter having between limits amplitude and/or width discrimination

Also Published As

Publication number Publication date
FR2152270A5 (it) 1973-04-20
DE2239449A1 (de) 1973-05-17
SE397587B (sv) 1977-11-07
DE2239449C3 (de) 1979-08-02
JPS4859897A (it) 1973-08-22
CA958119A (en) 1974-11-19
DE2239449B2 (de) 1978-11-30
US3878369A (en) 1975-04-15
CH538787A (de) 1973-06-30
GB1366049A (en) 1974-09-11

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