FR2150551A1 - - Google Patents

Info

Publication number
FR2150551A1
FR2150551A1 FR7230865A FR7230865A FR2150551A1 FR 2150551 A1 FR2150551 A1 FR 2150551A1 FR 7230865 A FR7230865 A FR 7230865A FR 7230865 A FR7230865 A FR 7230865A FR 2150551 A1 FR2150551 A1 FR 2150551A1
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.)
Granted
Application number
FR7230865A
Other languages
French (fr)
Other versions
FR2150551B1 (de
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.)
Bodenseewerk Geratetechnik GmbH
Original Assignee
Bodenseewerk Geratetechnik GmbH
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 Bodenseewerk Geratetechnik GmbH filed Critical Bodenseewerk Geratetechnik GmbH
Publication of FR2150551A1 publication Critical patent/FR2150551A1/fr
Application granted granted Critical
Publication of FR2150551B1 publication Critical patent/FR2150551B1/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B23/00—Testing or monitoring of control systems or parts thereof
    • G05B23/02—Electric testing or monitoring
    • G05B23/0205—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults
    • G05B23/0218—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults characterised by the fault detection method dealing with either existing or incipient faults
    • G05B23/0224—Process history based detection method, e.g. whereby history implies the availability of large amounts of data
    • G05B23/0227—Qualitative history assessment, whereby the type of data acted upon, e.g. waveforms, images or patterns, is not relevant, e.g. rule based assessment; if-then decisions
    • G05B23/0235—Qualitative history assessment, whereby the type of data acted upon, e.g. waveforms, images or patterns, is not relevant, e.g. rule based assessment; if-then decisions based on a comparison with predetermined threshold or range, e.g. "classical methods", carried out during normal operation; threshold adaptation or choice; when or how to compare with the threshold

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Tests Of Electronic Circuits (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
  • Measurement Of Current Or Voltage (AREA)
FR7230865A 1971-08-26 1972-08-25 Expired FR2150551B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19712142711 DE2142711C3 (de) 1971-08-26 1971-08-26 Signalprüfschaltung für Signale, für welche bestimmte Toleranzbereiche vorgegeben sind

Publications (2)

Publication Number Publication Date
FR2150551A1 true FR2150551A1 (de) 1973-04-06
FR2150551B1 FR2150551B1 (de) 1979-03-16

Family

ID=5817817

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7230865A Expired FR2150551B1 (de) 1971-08-26 1972-08-25

Country Status (4)

Country Link
DE (1) DE2142711C3 (de)
FR (1) FR2150551B1 (de)
GB (1) GB1374683A (de)
IT (1) IT963907B (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH617014A5 (de) * 1977-03-04 1980-04-30 Bbc Brown Boveri & Cie
US4142118A (en) * 1977-08-18 1979-02-27 Mostek Corporation Integrated circuit with power supply voltage level detection
CH632858A5 (en) * 1978-02-17 1982-10-29 Hasler Ag One-fault intrinsically safe switching device
DE3134056A1 (de) * 1981-08-28 1983-03-10 Siemens AG, 1000 Berlin und 8000 München Schaltungsanordnung zur zeitlichen ueberwachung eines signals
JPS599566A (ja) * 1982-07-07 1984-01-18 Toshiba Corp 電圧検出装置
JP2553026Y2 (ja) * 1989-04-18 1997-11-05 株式会社豊田自動織機製作所 保護装置

Also Published As

Publication number Publication date
IT963907B (it) 1974-01-21
GB1374683A (en) 1974-11-20
DE2142711B2 (de) 1974-12-05
DE2142711C3 (de) 1975-07-10
DE2142711A1 (de) 1973-03-22
FR2150551B1 (de) 1979-03-16

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Legal Events

Date Code Title Description
ST Notification of lapse