GB1353953A - Range expansion method and apparatus for multichannel pulse analysis - Google Patents

Range expansion method and apparatus for multichannel pulse analysis

Info

Publication number
GB1353953A
GB1353953A GB4213171A GB4213171A GB1353953A GB 1353953 A GB1353953 A GB 1353953A GB 4213171 A GB4213171 A GB 4213171A GB 4213171 A GB4213171 A GB 4213171A GB 1353953 A GB1353953 A GB 1353953A
Authority
GB
United Kingdom
Prior art keywords
pulses
input
offset voltage
levels
digitized
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
GB4213171A
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.)
Coulter Electronics Ltd
Coulter Electronics Inc
Original Assignee
Coulter Electronics Ltd
Coulter Electronics Inc
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 Electronics Ltd, Coulter Electronics Inc filed Critical Coulter Electronics Ltd
Publication of GB1353953A publication Critical patent/GB1353953A/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)
  • Biochemistry (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Dispersion Chemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Measurement Of Current Or Voltage (AREA)
  • Analogue/Digital Conversion (AREA)
  • Measurement Of Radiation (AREA)
GB4213171A 1970-09-11 1971-09-09 Range expansion method and apparatus for multichannel pulse analysis Expired GB1353953A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US7144170A 1970-09-11 1970-09-11

Publications (1)

Publication Number Publication Date
GB1353953A true GB1353953A (en) 1974-05-22

Family

ID=22101347

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4213171A Expired GB1353953A (en) 1970-09-11 1971-09-09 Range expansion method and apparatus for multichannel pulse analysis

Country Status (4)

Country Link
US (1) US3696399A (enExample)
DE (1) DE2103816B2 (enExample)
FR (1) FR2107467A5 (enExample)
GB (1) GB1353953A (enExample)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5710612B2 (enExample) * 1973-06-21 1982-02-27
JPS5753698B2 (enExample) * 1973-07-06 1982-11-15
DE3744398A1 (de) * 1987-12-29 1989-07-13 Asea Brown Boveri Verfahren und vorrichtung zur registrierung von signalkurven
GB2232024B (en) * 1989-05-22 1994-01-12 Seikosha Kk Method and apparatus for recording and/or producing sound
US5184062A (en) * 1990-05-11 1993-02-02 Nicolet Instrument Corporation Dynamically calibrated trigger for oscilloscopes
US5442492A (en) * 1993-06-29 1995-08-15 International Business Machines Corporation Data recovery procedure using DC offset and gain control for timing loop compensation for partial-response data detection
DE102009055807B4 (de) * 2009-11-26 2016-11-24 Siemens Healthcare Gmbh Schaltungsanordnung zur Zählung von Röntgenquanten einer Röntgenstrahlung mittels quantenzählender Detektoren sowie anwendungsspezifische integrierte Schaltung und Strahler-Detektor-System
US9677990B2 (en) 2014-04-30 2017-06-13 Particles Plus, Inc. Particle counter with advanced features
US11579072B2 (en) 2013-03-15 2023-02-14 Particles Plus, Inc. Personal air quality monitoring system
US12044611B2 (en) 2013-03-15 2024-07-23 Particles Plus, Inc. Particle counter with integrated bootloader
US9140639B2 (en) * 2013-03-15 2015-09-22 Particles Plus, Inc. Pulse scope for particle counter
US10983040B2 (en) 2013-03-15 2021-04-20 Particles Plus, Inc. Particle counter with integrated bootloader
US10352844B2 (en) 2013-03-15 2019-07-16 Particles Plus, Inc. Multiple particle sensors in a particle counter
CN110568468B (zh) * 2019-08-27 2023-01-10 福州智元仪器设备有限公司 一种辐射脉冲计数突变算法
US11988591B2 (en) 2020-07-01 2024-05-21 Particles Plus, Inc. Modular optical particle counter sensor and apparatus

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3292150A (en) * 1963-04-23 1966-12-13 Kenneth E Wood Maximum voltage selector
US3348216A (en) * 1963-12-09 1967-10-17 Billy H Vinson Method and circuits for storing electrical energy
US3359410A (en) * 1964-04-23 1967-12-19 Infotronics Corp Automatic base line drift corrector circuit
US3421083A (en) * 1965-03-19 1969-01-07 Abbey Electronics Corp Digital indicating device for dc voltage source
US3475748A (en) * 1965-08-09 1969-10-28 Robert J Price Gain stabilization device
US3491295A (en) * 1966-11-21 1970-01-20 Fluke Mfg Co John R.m.s. instrument having voltage controlled oscillator in feed-back loop
US3500247A (en) * 1968-01-08 1970-03-10 Communications Satellite Corp Non-linear pulse code modulation with threshold selected sampling

Also Published As

Publication number Publication date
DE2103816A1 (de) 1972-03-16
FR2107467A5 (enExample) 1972-05-05
US3696399A (en) 1972-10-03
DE2103816B2 (de) 1977-09-22

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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