BE813100A - Dispositif detecteur de variations finies unidirectionnelles d'un signal electrique. - Google Patents
Dispositif detecteur de variations finies unidirectionnelles d'un signal electrique.Info
- Publication number
- BE813100A BE813100A BE142687A BE813100A BE813100A BE 813100 A BE813100 A BE 813100A BE 142687 A BE142687 A BE 142687A BE 813100 A BE813100 A BE 813100A BE 813100 A BE813100 A BE 813100A
- Authority
- BE
- Belgium
- Prior art keywords
- unidirectional
- finished
- electric signal
- detector
- variations
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/26—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
BE142687A BE813100A (fr) | 1974-03-29 | 1974-03-29 | Dispositif detecteur de variations finies unidirectionnelles d'un signal electrique. |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
BE142687A BE813100A (fr) | 1974-03-29 | 1974-03-29 | Dispositif detecteur de variations finies unidirectionnelles d'un signal electrique. |
Publications (1)
Publication Number | Publication Date |
---|---|
BE813100A true BE813100A (fr) | 1974-07-15 |
Family
ID=3861001
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE142687A BE813100A (fr) | 1974-03-29 | 1974-03-29 | Dispositif detecteur de variations finies unidirectionnelles d'un signal electrique. |
Country Status (1)
Country | Link |
---|---|
BE (1) | BE813100A (fr) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2294389A1 (fr) * | 1974-12-09 | 1976-07-09 | Shafer Valve Co | Detecteur electronique de fuites dans une pipe-line |
FR2397735A1 (fr) * | 1976-08-09 | 1979-02-09 | Ransburg Corp | Circuit de commande destine a empecher une decharge disruptive dans un appareil de revetement electrostatique |
-
1974
- 1974-03-29 BE BE142687A patent/BE813100A/fr not_active IP Right Cessation
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2294389A1 (fr) * | 1974-12-09 | 1976-07-09 | Shafer Valve Co | Detecteur electronique de fuites dans une pipe-line |
FR2397735A1 (fr) * | 1976-08-09 | 1979-02-09 | Ransburg Corp | Circuit de commande destine a empecher une decharge disruptive dans un appareil de revetement electrostatique |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
RE | Patent lapsed |
Owner name: SOC. DE TRACTION ET D'ELECTRICITE Effective date: 19910331 |