FR2057274A5 - - Google Patents
Info
- Publication number
- FR2057274A5 FR2057274A5 FR6927342A FR6927342A FR2057274A5 FR 2057274 A5 FR2057274 A5 FR 2057274A5 FR 6927342 A FR6927342 A FR 6927342A FR 6927342 A FR6927342 A FR 6927342A FR 2057274 A5 FR2057274 A5 FR 2057274A5
- Authority
- FR
- France
- 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
- 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
- G01N2015/135—Electrodes
- G01N2015/136—Scanning electrodes
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 Analyzing Materials By The Use Of Electric Means (AREA)
- Measurement Of Resistance Or Impedance (AREA)
- Geophysics And Detection Of Objects (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB39838/69A GB1273172A (en) | 1969-08-08 | 1969-08-08 | Particle studying apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR2057274A5 true FR2057274A5 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1971-05-21 |
Family
ID=10411771
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR6927342A Expired FR2057274A5 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1969-08-08 | 1969-08-08 |
Country Status (5)
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4277743A (en) | 1977-08-25 | 1981-07-07 | Contraves Ag | Method and circuit for producing measuring pulses in a particle analyzer |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108663292B (zh) * | 2018-05-14 | 2021-08-31 | 中国计量科学研究院 | 油液污染度分析仪校准方法 |
-
1969
- 1969-08-08 DE DE1940498A patent/DE1940498C3/de not_active Expired
- 1969-08-08 NL NL6912128A patent/NL6912128A/xx unknown
- 1969-08-08 GB GB39838/69A patent/GB1273172A/en not_active Expired
- 1969-08-08 AU AU59284/69A patent/AU435220B2/en not_active Expired
- 1969-08-08 FR FR6927342A patent/FR2057274A5/fr not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4277743A (en) | 1977-08-25 | 1981-07-07 | Contraves Ag | Method and circuit for producing measuring pulses in a particle analyzer |
Also Published As
| Publication number | Publication date |
|---|---|
| AU435220B2 (en) | 1973-04-26 |
| DE1940498A1 (de) | 1971-02-18 |
| NL6912128A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1971-02-10 |
| DE1940498B2 (de) | 1976-12-02 |
| GB1273172A (en) | 1972-05-03 |
| AU5928469A (en) | 1971-02-11 |
| DE1940498C3 (de) | 1979-02-15 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |