JPS4996793A - - Google Patents
Info
- Publication number
- JPS4996793A JPS4996793A JP48123514A JP12351473A JPS4996793A JP S4996793 A JPS4996793 A JP S4996793A JP 48123514 A JP48123514 A JP 48123514A JP 12351473 A JP12351473 A JP 12351473A JP S4996793 A JPS4996793 A JP S4996793A
- Authority
- JP
- Japan
- 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.)
- Granted
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
- 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
- G01N2015/1027—Determining speed or velocity of a particle
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)
- Investigating Or Analysing Biological Materials (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
- Secondary Cells (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US304127A US3890568A (en) | 1972-11-06 | 1972-11-06 | Method and apparatus for particle length measurement |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS4996793A true JPS4996793A (OSRAM) | 1974-09-12 |
| JPS5641056B2 JPS5641056B2 (OSRAM) | 1981-09-25 |
Family
ID=23175171
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12351473A Expired JPS5641056B2 (OSRAM) | 1972-11-06 | 1973-11-05 |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US3890568A (OSRAM) |
| JP (1) | JPS5641056B2 (OSRAM) |
| CA (1) | CA983116A (OSRAM) |
| DE (1) | DE2355176C2 (OSRAM) |
| FR (1) | FR2206853A5 (OSRAM) |
| GB (1) | GB1450712A (OSRAM) |
| NL (1) | NL7315112A (OSRAM) |
| SE (1) | SE397730B (OSRAM) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4068169A (en) * | 1976-09-21 | 1978-01-10 | Hycel, Inc. | Method and apparatus for determining hematocrit |
| US4298836A (en) * | 1979-11-23 | 1981-11-03 | Coulter Electronics, Inc. | Particle shape determination |
| JPS57179728A (en) * | 1981-04-30 | 1982-11-05 | Toa Medical Electronics Co Ltd | Apparatus for analyzing particle |
| US4778657A (en) * | 1985-09-10 | 1988-10-18 | Kernforschungszentrum Karlsruhe Gmbh | Apparatus for determining the characteristics of particles suspended in liquids |
| US5311781A (en) * | 1990-10-09 | 1994-05-17 | Advanced Instrumentation Inc. | Flowmeter for object-bearing liquids |
| US5194909A (en) * | 1990-12-04 | 1993-03-16 | Tycko Daniel H | Apparatus and method for measuring volume and hemoglobin concentration of red blood cells |
| US20110304437A1 (en) * | 2010-06-09 | 2011-12-15 | Plus Location Systems USA LLC | Antenna and Sensor System for Sharply Defined Active Sensing Zones |
| EP3135090A1 (en) * | 2015-08-24 | 2017-03-01 | Digitroll Kft. | Seed sensor and method for detecting blockage of a seeding channel |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2623994A (en) * | 1947-02-17 | 1952-12-30 | Patelhold Patentverwertung | Receiver for time modulated pulses |
| US3076145A (en) * | 1959-08-26 | 1963-01-29 | Rca Corp | Pulse discriminating circuit |
| US3553593A (en) * | 1968-01-10 | 1971-01-05 | Westinghouse Electric Corp | Pulse width measuring circuit |
| US3441848A (en) * | 1968-04-29 | 1969-04-29 | Coulter Electronics | Particle length measuring apparatus |
| DE2153123A1 (de) * | 1970-10-27 | 1972-05-10 | Coulter Electronics | Verfahren und Vorrichtung zum Analysieren der Größe von Teilchen |
-
1972
- 1972-11-06 US US304127A patent/US3890568A/en not_active Expired - Lifetime
-
1973
- 1973-11-05 JP JP12351473A patent/JPS5641056B2/ja not_active Expired
- 1973-11-05 NL NL7315112A patent/NL7315112A/xx not_active Application Discontinuation
- 1973-11-05 DE DE2355176A patent/DE2355176C2/de not_active Expired
- 1973-11-05 SE SE7314976A patent/SE397730B/xx unknown
- 1973-11-05 CA CA185,058A patent/CA983116A/en not_active Expired
- 1973-11-05 FR FR7339242A patent/FR2206853A5/fr not_active Expired
- 1973-11-06 GB GB5153073A patent/GB1450712A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| SE397730B (sv) | 1977-11-14 |
| CA983116A (en) | 1976-02-03 |
| US3890568A (en) | 1975-06-17 |
| NL7315112A (OSRAM) | 1974-05-08 |
| DE2355176A1 (de) | 1974-05-09 |
| DE2355176C2 (de) | 1984-03-15 |
| GB1450712A (en) | 1976-09-29 |
| FR2206853A5 (OSRAM) | 1974-06-07 |
| JPS5641056B2 (OSRAM) | 1981-09-25 |