CA1021430A - Single cable signaling system - Google Patents

Single cable signaling system

Info

Publication number
CA1021430A
CA1021430A CA140,536A CA140536A CA1021430A CA 1021430 A CA1021430 A CA 1021430A CA 140536 A CA140536 A CA 140536A CA 1021430 A CA1021430 A CA 1021430A
Authority
CA
Canada
Prior art keywords
signaling system
single cable
cable signaling
signaling
cable
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
CA140,536A
Other versions
CA140536S (en
Inventor
Robert A. Hedin
John F. Regan
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.)
Eaton Corp
Original Assignee
Eaton Corp
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 Eaton Corp filed Critical Eaton Corp
Application granted granted Critical
Publication of CA1021430A publication Critical patent/CA1021430A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B25/00—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems
    • G08B25/01—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium
    • G08B25/04—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium using a single signalling line, e.g. in a closed loop

Landscapes

  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Selective Calling Equipment (AREA)
CA140,536A 1971-06-17 1972-04-25 Single cable signaling system Expired CA1021430A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US15409071A 1971-06-17 1971-06-17

Publications (1)

Publication Number Publication Date
CA1021430A true CA1021430A (en) 1977-11-22

Family

ID=22549962

Family Applications (1)

Application Number Title Priority Date Filing Date
CA140,536A Expired CA1021430A (en) 1971-06-17 1972-04-25 Single cable signaling system

Country Status (2)

Country Link
US (1) US3757301A (en)
CA (1) CA1021430A (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3950731A (en) * 1973-12-26 1976-04-13 General Electric Company Data processing arrangement for printers
US4023139A (en) * 1974-10-24 1977-05-10 Gene Samburg Security control and alarm system
US4327353A (en) * 1978-03-06 1982-04-27 George W. Beard Security system
DE2923732A1 (en) * 1979-06-12 1981-01-08 Fuss Fritz Kg ALARM SYSTEM
US4359731A (en) * 1980-08-22 1982-11-16 Phillips Petroleum Company Communication link contention resolution system
SE8202566L (en) * 1982-04-23 1983-10-24 Ericsson Telefon Ab L M PROCEDURE AND DEVICE FOR IDENTIFYING AN ALARMING DETECTOR IN A CIRCUIT WITH A PRESET NUMBER OF PARALLEL CONNECTED DETECTORS
US4642630A (en) * 1982-12-28 1987-02-10 At&T Bell Laboratories Method and apparatus for bus contention resolution
WO1985003826A1 (en) * 1984-02-14 1985-08-29 Rosemount Inc. Multipriority communication system
US4755792A (en) * 1985-06-13 1988-07-05 Black & Decker Inc. Security control system
FR2642591A1 (en) * 1989-02-01 1990-08-03 Faiveley Ets METHOD FOR TRANSMITTING INFORMATION OR ORDERS AND DEVICE FOR IMPLEMENTING SAID METHOD

Also Published As

Publication number Publication date
US3757301A (en) 1973-09-04

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