ES463183A1 - Perfeccionamientos en sistemas de lectura de puntos de cone-xion. - Google Patents

Perfeccionamientos en sistemas de lectura de puntos de cone-xion.

Info

Publication number
ES463183A1
ES463183A1 ES463183A ES463183A ES463183A1 ES 463183 A1 ES463183 A1 ES 463183A1 ES 463183 A ES463183 A ES 463183A ES 463183 A ES463183 A ES 463183A ES 463183 A1 ES463183 A1 ES 463183A1
Authority
ES
Spain
Prior art keywords
status
change
point reading
reading systems
xion
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
ES463183A
Other languages
English (en)
Spanish (es)
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.)
Alcatel CIT SA
Nokia Inc
Original Assignee
Compagnie Industrielle de Telecommunication CIT Alcatel SA
Nokia 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 Compagnie Industrielle de Telecommunication CIT Alcatel SA, Nokia Inc filed Critical Compagnie Industrielle de Telecommunication CIT Alcatel SA
Publication of ES463183A1 publication Critical patent/ES463183A1/es
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B23/00—Alarms responsive to unspecified undesired or abnormal conditions
    • 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
    • G08B26/006—Alarm systems in which substations are interrogated in succession by a central station with substations connected to an individual line, e.g. star configuration
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/08—Indicating faults in circuits or apparatus
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements

Landscapes

  • Engineering & Computer Science (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Selective Calling Equipment (AREA)
  • Monitoring And Testing Of Exchanges (AREA)
  • Alarm Systems (AREA)
ES463183A 1976-10-13 1977-10-13 Perfeccionamientos en sistemas de lectura de puntos de cone-xion. Expired ES463183A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7630743A FR2368194A1 (fr) 1976-10-13 1976-10-13 Systeme de lecture de points de connexion

Publications (1)

Publication Number Publication Date
ES463183A1 true ES463183A1 (es) 1978-07-16

Family

ID=9178700

Family Applications (1)

Application Number Title Priority Date Filing Date
ES463183A Expired ES463183A1 (es) 1976-10-13 1977-10-13 Perfeccionamientos en sistemas de lectura de puntos de cone-xion.

Country Status (6)

Country Link
US (1) US4180801A (enExample)
BE (1) BE859029A (enExample)
ES (1) ES463183A1 (enExample)
FR (1) FR2368194A1 (enExample)
GB (1) GB1539368A (enExample)
PT (1) PT67145B (enExample)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4551718A (en) * 1983-06-24 1985-11-05 Tetragenics, Inc. Method and apparatus for transmitting status information between remote locations

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3323107A (en) * 1963-02-19 1967-05-30 Electrada Corp Plural station telemetering system responsive to condition to interrupt scan until station information is transmitted
US3611363A (en) * 1970-01-15 1971-10-05 Robertshaw Controls Co Alarm detection system
US3766540A (en) * 1971-04-30 1973-10-16 Hec Corp Appliance removal alarm system for motels
DE2202110B2 (de) 1972-01-18 1974-03-21 Gerhard Dr.-Ing. 8000 Muenchen Gruenberger Einrichtung zum Überwachen einer Anzahl von Meldestellen
US4060795A (en) * 1973-02-23 1977-11-29 Hitachi, Ltd. Scanning system
FR2248662B1 (enExample) * 1973-10-22 1979-07-20 Cit Alcatel

Also Published As

Publication number Publication date
FR2368194A1 (fr) 1978-05-12
GB1539368A (en) 1979-01-31
BE859029A (fr) 1978-03-28
PT67145A (fr) 1977-11-01
PT67145B (fr) 1979-03-19
US4180801A (en) 1979-12-25
FR2368194B1 (enExample) 1981-11-06

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