GB1374683A - Signal monitoring circuits - Google Patents

Signal monitoring circuits

Info

Publication number
GB1374683A
GB1374683A GB3359172A GB3359172A GB1374683A GB 1374683 A GB1374683 A GB 1374683A GB 3359172 A GB3359172 A GB 3359172A GB 3359172 A GB3359172 A GB 3359172A GB 1374683 A GB1374683 A GB 1374683A
Authority
GB
United Kingdom
Prior art keywords
output
signal
outside
indication
integrator
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
Application number
GB3359172A
Other languages
English (en)
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 GB1374683A publication Critical patent/GB1374683A/en
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)
GB3359172A 1971-08-26 1972-07-18 Signal monitoring circuits Expired GB1374683A (en)

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 (1)

Publication Number Publication Date
GB1374683A true GB1374683A (en) 1974-11-20

Family

ID=5817817

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3359172A Expired GB1374683A (en) 1971-08-26 1972-07-18 Signal monitoring circuits

Country Status (4)

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

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH617014A5 (enExample) * 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
DE2142711C3 (de) 1975-07-10
FR2150551B1 (enExample) 1979-03-16
FR2150551A1 (enExample) 1973-04-06
DE2142711A1 (de) 1973-03-22
DE2142711B2 (de) 1974-12-05
IT963907B (it) 1974-01-21

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee