JPS57186150A - Detector for abnormal pulse - Google Patents

Detector for abnormal pulse

Info

Publication number
JPS57186150A
JPS57186150A JP57072524A JP7252482A JPS57186150A JP S57186150 A JPS57186150 A JP S57186150A JP 57072524 A JP57072524 A JP 57072524A JP 7252482 A JP7252482 A JP 7252482A JP S57186150 A JPS57186150 A JP S57186150A
Authority
JP
Japan
Prior art keywords
detector
abnormal pulse
abnormal
pulse
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.)
Pending
Application number
JP57072524A
Other languages
Japanese (ja)
Inventor
Debitsudo Meinaruts Furankurin
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 Inc
Original Assignee
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 Inc filed Critical Coulter Electronics Inc
Publication of JPS57186150A publication Critical patent/JPS57186150A/en
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R29/00—Arrangements for measuring or indicating electric quantities not covered by groups G01R19/00 - G01R27/00
    • G01R29/02—Measuring characteristics of individual pulses, e.g. deviation from pulse flatness, rise time or duration
    • G01R29/027—Indicating that a pulse characteristic is either above or below a predetermined value or within or beyond a predetermined range of values
    • G01R29/0273—Indicating that a pulse characteristic is either above or below a predetermined value or within or beyond a predetermined range of values the pulse characteristic being duration, i.e. width (indicating that frequency of pulses is above or below a certain limit)
    • 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
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R29/00—Arrangements for measuring or indicating electric quantities not covered by groups G01R19/00 - G01R27/00
    • G01R29/02—Measuring characteristics of individual pulses, e.g. deviation from pulse flatness, rise time or duration
    • G01R29/027—Indicating that a pulse characteristic is either above or below a predetermined value or within or beyond a predetermined range of values
    • G01R29/033—Indicating that a pulse characteristic is either above or below a predetermined value or within or beyond a predetermined range of values giving an indication of the number of times this occurs, i.e. multi-channel analysers (the characteristic being frequency)

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Manipulation Of Pulses (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
JP57072524A 1981-04-30 1982-04-28 Detector for abnormal pulse Pending JPS57186150A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US25971781A 1981-04-30 1981-04-30

Publications (1)

Publication Number Publication Date
JPS57186150A true JPS57186150A (en) 1982-11-16

Family

ID=22986080

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57072524A Pending JPS57186150A (en) 1981-04-30 1982-04-28 Detector for abnormal pulse

Country Status (2)

Country Link
JP (1) JPS57186150A (en)
FR (1) FR2505050B1 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11258145A (en) * 1997-11-25 1999-09-24 Venturedyne Ltd Particle sensor and improved particle discriminating method related thereto
CN103499700A (en) * 2013-09-30 2014-01-08 深圳理邦实验生物电子有限公司 Signal effectiveness analysis method and device applied to cell analyzer
CN115931037A (en) * 2022-12-23 2023-04-07 深圳市科曼医疗设备有限公司 Method, device and system for identifying blocked hole of particle channel, equipment and storage medium

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3122647A (en) * 1960-08-29 1964-02-25 Rca Corp Pulse length discriminator utilizing two gating circuits
US3735271A (en) * 1971-10-22 1973-05-22 Us Navy Pulse width coded signal detector
US4240029A (en) * 1979-04-20 1980-12-16 Becton Dickinson & Company Apparatus for counting particles in a liquid suspension

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11258145A (en) * 1997-11-25 1999-09-24 Venturedyne Ltd Particle sensor and improved particle discriminating method related thereto
JP4545839B2 (en) * 1997-11-25 2010-09-15 ヴェンチュアダイン，リミテッド Particle sensor and related improved particle identification method
CN103499700A (en) * 2013-09-30 2014-01-08 深圳理邦实验生物电子有限公司 Signal effectiveness analysis method and device applied to cell analyzer
CN115931037A (en) * 2022-12-23 2023-04-07 深圳市科曼医疗设备有限公司 Method, device and system for identifying blocked hole of particle channel, equipment and storage medium

Also Published As

Publication number Publication date
FR2505050B1 (en) 1986-04-04
FR2505050A1 (en) 1982-11-05

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