FR2538557B1 - Dispositif de detection du changement de pente d'une tension variable - Google Patents
Dispositif de detection du changement de pente d'une tension variableInfo
- Publication number
- FR2538557B1 FR2538557B1 FR8221550A FR8221550A FR2538557B1 FR 2538557 B1 FR2538557 B1 FR 2538557B1 FR 8221550 A FR8221550 A FR 8221550A FR 8221550 A FR8221550 A FR 8221550A FR 2538557 B1 FR2538557 B1 FR 2538557B1
- Authority
- FR
- France
- Prior art keywords
- slope
- detecting
- change
- variable voltage
- variable
- 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
- G01N11/00—Investigating flow properties of materials, e.g. viscosity, plasticity; Analysing materials by determining flow properties
- G01N11/10—Investigating flow properties of materials, e.g. viscosity, plasticity; Analysing materials by determining flow properties by moving a body within the material
- G01N11/12—Investigating flow properties of materials, e.g. viscosity, plasticity; Analysing materials by determining flow properties by moving a body within the material by measuring rising or falling speed of the body; by measuring penetration of wedged gauges
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/04—Measuring peak values or amplitude or envelope of ac or of pulses
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/12—Measuring rate of change
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8221550A FR2538557B1 (fr) | 1982-12-22 | 1982-12-22 | Dispositif de detection du changement de pente d'une tension variable |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8221550A FR2538557B1 (fr) | 1982-12-22 | 1982-12-22 | Dispositif de detection du changement de pente d'une tension variable |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2538557A1 FR2538557A1 (fr) | 1984-06-29 |
FR2538557B1 true FR2538557B1 (fr) | 1985-06-14 |
Family
ID=9280397
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR8221550A Expired FR2538557B1 (fr) | 1982-12-22 | 1982-12-22 | Dispositif de detection du changement de pente d'une tension variable |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2538557B1 (fr) |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1491865A (en) * | 1974-11-21 | 1977-11-16 | Capper Ltd B | Instrument or apparatus for the measurement of viscosity |
DE2526852B1 (de) * | 1975-06-16 | 1976-11-18 | Siemens Ag | Schaltung zur erfassung der steigung einer brennspannungskurve |
US4199728A (en) * | 1978-08-21 | 1980-04-22 | Innovative Medical Systems, Corp. | Slope detector |
DE2916141C2 (de) * | 1979-04-20 | 1983-01-05 | Siemens AG, 1000 Berlin und 8000 München | Spannungs-Zeit-Differentialquotienten-Detektor |
US4362996A (en) * | 1980-11-10 | 1982-12-07 | Hewlett-Packard Company | Method and means for an accurate wideband peak detector |
DE3043921C2 (de) * | 1980-11-21 | 1983-05-05 | Polygram Gmbh, 2000 Hamburg | Schaltung zur breitbandigen Detektion der Amplitudenmaxima von Signalen |
-
1982
- 1982-12-22 FR FR8221550A patent/FR2538557B1/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR2538557A1 (fr) | 1984-06-29 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
TP | Transmission of property | ||
TP | Transmission of property | ||
ST | Notification of lapse |