DE1809704A1 - Alarmkreis fuer Temperaturabweichungen - Google Patents

Alarmkreis fuer Temperaturabweichungen

Info

Publication number
DE1809704A1
DE1809704A1 DE19681809704 DE1809704A DE1809704A1 DE 1809704 A1 DE1809704 A1 DE 1809704A1 DE 19681809704 DE19681809704 DE 19681809704 DE 1809704 A DE1809704 A DE 1809704A DE 1809704 A1 DE1809704 A1 DE 1809704A1
Authority
DE
Germany
Prior art keywords
source
potential
alarm
negative
positive
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.)
Pending
Application number
DE19681809704
Other languages
German (de)
English (en)
Inventor
Cannon Maurice Wesley
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.)
General Electric Co
Original Assignee
General Electric Co
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 General Electric Co filed Critical General Electric Co
Publication of DE1809704A1 publication Critical patent/DE1809704A1/de
Pending 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
    • G05B9/00—Safety arrangements
    • G05B9/02—Safety arrangements electric
    • G05B9/03—Safety arrangements electric with multiple-channel loop, i.e. redundant control systems
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING SYSTEMS, e.g. PERSONAL CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
    • G08B21/18—Status alarms
    • G08B21/182—Level alarms, e.g. alarms responsive to variables exceeding a threshold

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Electronic Switches (AREA)
  • Fire-Detection Mechanisms (AREA)
  • Emergency Alarm Devices (AREA)
DE19681809704 1967-11-21 1968-11-19 Alarmkreis fuer Temperaturabweichungen Pending DE1809704A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US68475967A 1967-11-21 1967-11-21

Publications (1)

Publication Number Publication Date
DE1809704A1 true DE1809704A1 (de) 1969-06-26

Family

ID=24749437

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19681809704 Pending DE1809704A1 (de) 1967-11-21 1968-11-19 Alarmkreis fuer Temperaturabweichungen

Country Status (3)

Country Link
DE (1) DE1809704A1 (https=)
FR (1) FR1592768A (https=)
GB (1) GB1252579A (https=)

Also Published As

Publication number Publication date
FR1592768A (https=) 1970-05-19
GB1252579A (https=) 1971-11-10

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