FR2454626B1 - - Google Patents

Info

Publication number
FR2454626B1
FR2454626B1 FR7909614A FR7909614A FR2454626B1 FR 2454626 B1 FR2454626 B1 FR 2454626B1 FR 7909614 A FR7909614 A FR 7909614A FR 7909614 A FR7909614 A FR 7909614A FR 2454626 B1 FR2454626 B1 FR 2454626B1
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
Application number
FR7909614A
Other languages
French (fr)
Other versions
FR2454626A1 (fr
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Electricite de France SA
Original Assignee
Electricite de France SA
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 by Electricite de France SA filed Critical Electricite de France SA
Priority to FR7909614A priority Critical patent/FR2454626A1/fr
Priority to US06/043,483 priority patent/US4224672A/en
Publication of FR2454626A1 publication Critical patent/FR2454626A1/fr
Application granted granted Critical
Publication of FR2454626B1 publication Critical patent/FR2454626B1/fr
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R13/00—Arrangements for displaying electric variables or waveforms
    • G01R13/20—Cathode-ray oscilloscopes
    • G01R13/22—Circuits therefor
    • G01R13/34—Circuits for representing a single waveform by sampling, e.g. for very high frequencies
    • G01R13/345—Circuits for representing a single waveform by sampling, e.g. for very high frequencies for displaying sampled signals by using digital processors by intermediate A.D. and D.A. convertors (control circuits for CRT indicators)
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D9/00—Recording measured values
    • G01D9/28—Producing one or more recordings, each recording being of the values of two or more different variables
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R13/00—Arrangements for displaying electric variables or waveforms
    • G01R13/04—Arrangements for displaying electric variables or waveforms for producing permanent records
    • G01R13/06—Modifications for recording transient disturbances, e.g. by starting or accelerating a recording medium

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Recording Measured Values (AREA)
FR7909614A 1979-04-17 1979-04-17 Enregistreur de signaux sur perturbation Granted FR2454626A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR7909614A FR2454626A1 (fr) 1979-04-17 1979-04-17 Enregistreur de signaux sur perturbation
US06/043,483 US4224672A (en) 1979-04-17 1979-05-29 Perturbation signal recorder

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7909614A FR2454626A1 (fr) 1979-04-17 1979-04-17 Enregistreur de signaux sur perturbation

Publications (2)

Publication Number Publication Date
FR2454626A1 FR2454626A1 (fr) 1980-11-14
FR2454626B1 true FR2454626B1 (show.php) 1982-08-20

Family

ID=9224379

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7909614A Granted FR2454626A1 (fr) 1979-04-17 1979-04-17 Enregistreur de signaux sur perturbation

Country Status (2)

Country Link
US (1) US4224672A (show.php)
FR (1) FR2454626A1 (show.php)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4467644A (en) * 1980-12-04 1984-08-28 Palmer James K Flow meter
GB2095932B (en) * 1981-03-28 1984-05-31 Ferranti Ltd Line disturbance monitor
IN158099B (show.php) * 1981-04-07 1986-08-30 Bicc Plc
FR2509936B1 (fr) * 1981-07-17 1986-12-19 Thomson Csf Systeme enregistreur de perturbations
DE3511592A1 (de) * 1985-03-27 1986-10-02 CREATEC Gesellschaft für Elektrotechnik mbH, 1000 Berlin Signalverarbeitungsgeraet
US4642563A (en) * 1985-05-28 1987-02-10 Basic Measuring Instruments Power line impulse measurement system
US4799177A (en) * 1985-12-31 1989-01-17 The Boeing Company Ultrasonic instrumentation for examination of variable-thickness objects
US4799168A (en) * 1985-12-31 1989-01-17 The Boeing Company Data recording apparatus for an ultrasonic inspection system
DE3938520A1 (de) * 1989-11-21 1991-05-29 Teves Gmbh Alfred Verfahren und system zur messdatenerfassung und -auswertung
US6415244B1 (en) 1998-03-31 2002-07-02 Mehta Tech, Inc. Power monitoring system and method
DE10112038B4 (de) * 2001-03-14 2008-06-12 Testo Gmbh & Co Kg Verfahren zur asynchronen,platzsparenden Datenerfassung innerhalb einer kontinuierlichen Messwertspeicherung
US8340931B2 (en) * 2009-10-05 2012-12-25 Mehta Tech, Inc. Power grid with comparison of differences in remote phasor changes
CN105092999B (zh) 2014-05-19 2017-12-12 罗克韦尔自动化技术公司 利用多个指示的电力质量事件定位
US9541586B2 (en) 2014-11-24 2017-01-10 Rockwell Automation Technologies, Inc. Capture of power quality information at the time a device fails

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1460925A (fr) * 1965-01-25 1966-03-04 Bailey Meter Co Enregistreur de tendance
US3363226A (en) * 1965-10-12 1968-01-09 Navy Usa Data processing system
US3566392A (en) * 1967-02-27 1971-02-23 Sun Oil Co Apparatus for recording analog data in digital form
US3676649A (en) * 1970-05-08 1972-07-11 Phillips Petroleum Co Signal analysis and recording
US3824550A (en) * 1970-10-23 1974-07-16 Honeywell Inc Read-only-memory storage apparatus for controlling data logging apparatus
US3825935A (en) * 1972-10-02 1974-07-23 Dutton Hayward H Electrical signal register
US3936740A (en) * 1974-02-13 1976-02-03 Coulter Electronics, Inc. Method and apparatus for automatically sampling pulses a predetermined average number of times for storage and subsequent reproduction
JPS5434501B2 (show.php) * 1974-02-15 1979-10-27
US4062020A (en) * 1975-03-24 1977-12-06 Siemens Aktiengesellschaft Circuit arrangement for the frequency analysis of a signal
US4050057A (en) * 1976-04-02 1977-09-20 Raytheon Company Data sample recording system
FR2389102A1 (fr) * 1977-04-29 1978-11-24 Tekelec Airtronic Sa Dispositif de surveillance et d'enregistrement d'une pluralite d'evenements aleatoires comportant une memoire auto-adaptative
FR2410256A1 (fr) * 1977-11-25 1979-06-22 Sefram Sa Enregistreur a plusieurs voies

Also Published As

Publication number Publication date
FR2454626A1 (fr) 1980-11-14
US4224672A (en) 1980-09-23

Similar Documents

Publication Publication Date Title
FR2446289B1 (show.php)
BR8006808A (show.php)
FR2448588B1 (show.php)
FR2448162B1 (show.php)
FR2448328B1 (show.php)
FR2448230B1 (show.php)
FR2450032B1 (show.php)
FR2448274B1 (show.php)
DE2948360C2 (show.php)
FR2449181B1 (show.php)
FR2448340B1 (show.php)
FR2445882B1 (show.php)
FR2447435B3 (show.php)
FR2446976B1 (show.php)
FR2447319B3 (show.php)
FR2450122B3 (show.php)
AU79557S (show.php)
AU78389S (show.php)
AU77669S (show.php)
AU77763S (show.php)
AU78271S (show.php)
AU78385S (show.php)
AU78386S (show.php)
AU79950S (show.php)
AU79918S (show.php)

Legal Events

Date Code Title Description
ST Notification of lapse