ES485470A1 - Procedimiento para establecer un umbral de separacion para separar por lo menos dos clases de senales para analizar particulas y usos similares - Google Patents
Procedimiento para establecer un umbral de separacion para separar por lo menos dos clases de senales para analizar particulas y usos similaresInfo
- Publication number
- ES485470A1 ES485470A1 ES485470A ES485470A ES485470A1 ES 485470 A1 ES485470 A1 ES 485470A1 ES 485470 A ES485470 A ES 485470A ES 485470 A ES485470 A ES 485470A ES 485470 A1 ES485470 A1 ES 485470A1
- Authority
- ES
- Spain
- Prior art keywords
- blood sample
- stored
- particles contained
- signal
- classifying particles
- 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
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
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F17/00—Digital computing or data processing equipment or methods, specially adapted for specific functions
- G06F17/10—Complex mathematical operations
- G06F17/18—Complex mathematical operations for evaluating statistical data, e.g. average values, frequency distributions, probability functions, regression analysis
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V20/00—Scenes; Scene-specific elements
- G06V20/60—Type of objects
- G06V20/69—Microscopic objects, e.g. biological cells or cellular parts
- G06V20/698—Matching; Classification
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Data Mining & Analysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Theoretical Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Computational Mathematics (AREA)
- Mathematical Analysis (AREA)
- Mathematical Optimization (AREA)
- General Health & Medical Sciences (AREA)
- Mathematical Physics (AREA)
- Pure & Applied Mathematics (AREA)
- Databases & Information Systems (AREA)
- Molecular Biology (AREA)
- Probability & Statistics with Applications (AREA)
- Software Systems (AREA)
- General Engineering & Computer Science (AREA)
- Operations Research (AREA)
- Evolutionary Biology (AREA)
- Biomedical Technology (AREA)
- Bioinformatics & Computational Biology (AREA)
- Algebra (AREA)
- Multimedia (AREA)
- Bioinformatics & Cheminformatics (AREA)
- Dispersion Chemistry (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Or Analysing Biological Materials (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
Procedimiento para establecer un umbral de operación para separar por lo menos dos clases de señales para analizar partículas y usos similares, en una cantidad de señales que consiste en señales individuales, las cuales han sido transformadas por un elemento sensor en señal eléctricas y almacenadas en un medio de memoria, en donde a) la cantidad almacenada de señales disponible para el análisis se ordena en la memoria organizada en K canales para formar un histograma. b) dentro de un número conexo de N canales del histograma se establece mediante la comparación recíproca de los valores de señales almacenados a los N canales o de valores derivados de los mismos uno de estos canales cuyo valor de señales es el más bajo, c)a continuación de los cual el valor característico asignado al canal establecido de este modo de almacenaje como umbral de separación dentro del histograma, de manera que los valores de señales situados en lados diferentes de este umbral de separación pueden evaluarse de manera diferente, caracterizado porque d) el valor de señales del canal establecido se compara con cada uno de los valores de señales de una pluralidad de Pl canales que se encuentran directamente situados a continuación en un lado del canal establecido y no compara con cada uno de los valores de señales de una pluralidad de Pr canales situados directamente a continuación en el otro lado del canal establecido) y cuando en la etapa del procedimiento indicada en d) por lo menos un valor de señales en los canales PL o PR situados a continuación es menor que el valor de señales del canal establecido, se repite la etapa del procedimiento indicada en b) con otra selección de N canales hasta que el valor de señales del canal establecido es el más pequeño.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH1290778 | 1978-12-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ES485470A1 true ES485470A1 (es) | 1980-09-01 |
Family
ID=4387501
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES485470A Expired ES485470A1 (es) | 1978-12-19 | 1979-10-27 | Procedimiento para establecer un umbral de separacion para separar por lo menos dos clases de senales para analizar particulas y usos similares |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US4309757A (es) |
| EP (1) | EP0012418B1 (es) |
| JP (1) | JPS5590842A (es) |
| AT (1) | ATE935T1 (es) |
| CA (1) | CA1133139A (es) |
| DE (1) | DE2962651D1 (es) |
| ES (1) | ES485470A1 (es) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4488248A (en) * | 1980-12-05 | 1984-12-11 | Toa Medical Electronics Co., Ltd. | Particle size distribution analyzer |
| US4447883A (en) * | 1981-05-26 | 1984-05-08 | Technicon Instruments Corporation | Coincidence-error correcting apparatus and method |
| US4817446A (en) * | 1986-07-25 | 1989-04-04 | Toa Medical Electronics Co. Ltd. | Particle size distribution analysis |
| ATE67044T1 (de) * | 1987-02-05 | 1991-09-15 | Contraves Ag | Verfahren und vorrichtung zum bestimmen von schwellenwerten bei der teilchenanalyse einer fluessigkeit. |
| US4977517A (en) * | 1988-09-21 | 1990-12-11 | Toni Diagnostics, Inc. | Leak and clog detection and removal system for use with particle counters |
| JPH0366358A (ja) * | 1989-08-03 | 1991-03-22 | Terumo Corp | 生体信号計測装置 |
| AU6717096A (en) * | 1995-08-01 | 1997-02-26 | Mark J. Pasula | Method for measuring the volume of liquid and/or solid in a suspension |
| US7251413B2 (en) * | 2002-04-26 | 2007-07-31 | Digital Networks North America, Inc. | System and method for improved blackfield detection |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3557352A (en) * | 1967-11-01 | 1971-01-19 | Coulter Electronics | Apparatus and method for measuring a dividing particle size of a particulate system |
| US3760377A (en) * | 1970-07-17 | 1973-09-18 | Ibm | Histogram data processor |
| ZA727670B (en) * | 1971-11-04 | 1974-06-26 | W Coulter | A system for altering a data distribution display |
| US3819913A (en) * | 1973-05-21 | 1974-06-25 | Corning Glass Works | Detection of eosinophil cells on a blood smeared slide |
| JPS5519371B2 (es) * | 1973-09-13 | 1980-05-26 | ||
| US3944797A (en) * | 1974-08-06 | 1976-03-16 | Coulter Electronics, Inc. | Method and apparatus for determining the correct percentiles of the size distribution of a particulate system |
| GB1538225A (en) * | 1975-02-28 | 1979-01-10 | Nat Res Dev | Methods and apparatus for analysing frequency distributions |
| HU173092B (hu) * | 1976-02-24 | 1979-02-28 | Medicor Muevek | Ehlektroskhema dlja opredelenija chisla eritrocito, srednego ob"joma tel'ca, velichini gematokrita i drugikh parametrov krovi |
| US4063309A (en) * | 1976-09-16 | 1977-12-13 | Hycel, Inc. | Mean corpuscular volume measuring apparatus and method |
-
1979
- 1979-10-27 ES ES485470A patent/ES485470A1/es not_active Expired
- 1979-12-03 US US06/099,646 patent/US4309757A/en not_active Expired - Lifetime
- 1979-12-07 CA CA341,483A patent/CA1133139A/en not_active Expired
- 1979-12-10 EP EP79105054A patent/EP0012418B1/de not_active Expired
- 1979-12-10 DE DE7979105054T patent/DE2962651D1/de not_active Expired
- 1979-12-10 AT AT79105054T patent/ATE935T1/de not_active IP Right Cessation
- 1979-12-18 JP JP16365079A patent/JPS5590842A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5590842A (en) | 1980-07-09 |
| EP0012418B1 (de) | 1982-04-28 |
| US4309757A (en) | 1982-01-05 |
| JPH0225134B2 (es) | 1990-05-31 |
| EP0012418A1 (de) | 1980-06-25 |
| ATE935T1 (de) | 1982-05-15 |
| CA1133139A (en) | 1982-10-05 |
| DE2962651D1 (en) | 1982-06-09 |
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