CA1001251A - Supervisory system having a dead band to prevent nuisance alarms as a reported condition erratically changes - Google Patents

Supervisory system having a dead band to prevent nuisance alarms as a reported condition erratically changes

Info

Publication number
CA1001251A
CA1001251A CA153,594A CA153594A CA1001251A CA 1001251 A CA1001251 A CA 1001251A CA 153594 A CA153594 A CA 153594A CA 1001251 A CA1001251 A CA 1001251A
Authority
CA
Canada
Prior art keywords
erratically
changes
dead band
supervisory system
nuisance alarms
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
CA153,594A
Other languages
English (en)
Other versions
CA153594S (en
Inventor
Paul G. Srodes
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.)
Honeywell Inc
Original Assignee
Honeywell Inc
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 Honeywell Inc filed Critical Honeywell Inc
Application granted granted Critical
Publication of CA1001251A publication Critical patent/CA1001251A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B26/00—Alarm systems in which substations are interrogated in succession by a central station

Landscapes

  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Selective Calling Equipment (AREA)
  • Alarm Systems (AREA)
CA153,594A 1972-02-04 1972-10-10 Supervisory system having a dead band to prevent nuisance alarms as a reported condition erratically changes Expired CA1001251A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US22355372A 1972-02-04 1972-02-04

Publications (1)

Publication Number Publication Date
CA1001251A true CA1001251A (en) 1976-12-07

Family

ID=22836999

Family Applications (1)

Application Number Title Priority Date Filing Date
CA153,594A Expired CA1001251A (en) 1972-02-04 1972-10-10 Supervisory system having a dead band to prevent nuisance alarms as a reported condition erratically changes

Country Status (3)

Country Link
CA (1) CA1001251A (de)
DE (1) DE2305009A1 (de)
GB (1) GB1417245A (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3127324A1 (de) * 1981-07-10 1983-01-27 Siemens AG, 1000 Berlin und 8000 München Verfahren und anordnung zur erhoehung der ansprechempfindlichkeit und der stoersicherheit in einer gefahren-, insbesondere brandmeldeanlage
JPS6115300A (ja) * 1984-06-29 1986-01-23 ホーチキ株式会社 火災警報装置
EP0205930B1 (de) * 1985-05-24 1991-02-06 Siemens Aktiengesellschaft Einbruchmeldeanlage

Also Published As

Publication number Publication date
GB1417245A (en) 1975-12-10
DE2305009A1 (de) 1973-08-09

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