BE813100A - UNIDIRECTIONAL FINISHED VARIATIONS DETECTOR OF AN ELECTRIC SIGNAL. - Google Patents

UNIDIRECTIONAL FINISHED VARIATIONS DETECTOR OF AN ELECTRIC SIGNAL.

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
Application number
BE142687A
Other languages
French (fr)
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to BE142687A priority Critical patent/BE813100A/en
Publication of BE813100A publication Critical patent/BE813100A/en

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)
BE142687A 1974-03-29 1974-03-29 UNIDIRECTIONAL FINISHED VARIATIONS DETECTOR OF AN ELECTRIC SIGNAL. BE813100A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
BE142687A BE813100A (en) 1974-03-29 1974-03-29 UNIDIRECTIONAL FINISHED VARIATIONS DETECTOR OF AN ELECTRIC SIGNAL.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BE142687A BE813100A (en) 1974-03-29 1974-03-29 UNIDIRECTIONAL FINISHED VARIATIONS DETECTOR OF AN ELECTRIC SIGNAL.

Publications (1)

Publication Number Publication Date
BE813100A true BE813100A (en) 1974-07-15

Family

ID=3861001

Family Applications (1)

Application Number Title Priority Date Filing Date
BE142687A BE813100A (en) 1974-03-29 1974-03-29 UNIDIRECTIONAL FINISHED VARIATIONS DETECTOR OF AN ELECTRIC SIGNAL.

Country Status (1)

Country Link
BE (1) BE813100A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2294389A1 (en) * 1974-12-09 1976-07-09 Shafer Valve Co ELECTRONIC LEAK DETECTOR IN A PIPE-LINE
FR2397735A1 (en) * 1976-08-09 1979-02-09 Ransburg Corp CONTROL CIRCUIT INTENDED TO PREVENT DISRUPTIVE DISCHARGE IN AN ELECTROSTATIC COATING APPARATUS

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2294389A1 (en) * 1974-12-09 1976-07-09 Shafer Valve Co ELECTRONIC LEAK DETECTOR IN A PIPE-LINE
FR2397735A1 (en) * 1976-08-09 1979-02-09 Ransburg Corp CONTROL CIRCUIT INTENDED TO PREVENT DISRUPTIVE DISCHARGE IN AN ELECTROSTATIC COATING APPARATUS

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: SOC. DE TRACTION ET D'ELECTRICITE

Effective date: 19910331