FR2192422B3 - - Google Patents

Info

Publication number
FR2192422B3
FR2192422B3 FR7326056A FR7326056A FR2192422B3 FR 2192422 B3 FR2192422 B3 FR 2192422B3 FR 7326056 A FR7326056 A FR 7326056A FR 7326056 A FR7326056 A FR 7326056A FR 2192422 B3 FR2192422 B3 FR 2192422B3
Authority
FR
France
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
FR7326056A
Other versions
FR2192422A1 (fr
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.)
Alois Zettler Elektrotechnische Fabrik GmbH
Original Assignee
Alois Zettler Elektrotechnische Fabrik 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 Alois Zettler Elektrotechnische Fabrik GmbH filed Critical Alois Zettler Elektrotechnische Fabrik GmbH
Publication of FR2192422A1 publication Critical patent/FR2192422A1/fr
Application granted granted Critical
Publication of FR2192422B3 publication Critical patent/FR2192422B3/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B3/00—Audible signalling systems; Audible personal calling systems
    • G08B3/10—Audible signalling systems; Audible personal calling systems using electric transmission; using electromagnetic transmission
    • G08B3/1008—Personal calling arrangements or devices, i.e. paging systems
    • G—PHYSICS
    • G08—SIGNALLING
    • G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
    • G08C15/00—Arrangements characterised by the use of multiplexing for the transmission of a plurality of signals over a common path
    • G08C15/02—Arrangements characterised by the use of multiplexing for the transmission of a plurality of signals over a common path simultaneously, i.e. using frequency division
    • G08C15/04—Arrangements characterised by the use of multiplexing for the transmission of a plurality of signals over a common path simultaneously, i.e. using frequency division the signals being modulated on carrier frequencies

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Alarm Systems (AREA)
  • Interconnected Communication Systems, Intercoms, And Interphones (AREA)
FR7326056A 1972-07-10 1973-07-09 Expired FR2192422B3 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19722233797 DE2233797C3 (de) 1972-07-10 1972-07-10 Nachrichtensystem für Krankenhäuser

Publications (2)

Publication Number Publication Date
FR2192422A1 FR2192422A1 (fr) 1974-02-08
FR2192422B3 true FR2192422B3 (fr) 1976-07-02

Family

ID=5850176

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7326056A Expired FR2192422B3 (fr) 1972-07-10 1973-07-09

Country Status (8)

Country Link
AT (1) AT336450B (fr)
CH (1) CH555626A (fr)
DE (1) DE2233797C3 (fr)
FR (1) FR2192422B3 (fr)
GB (1) GB1417599A (fr)
IT (1) IT991697B (fr)
NL (1) NL7309599A (fr)
SE (1) SE396181B (fr)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2713918C2 (de) * 1977-03-29 1984-05-03 Siemens AG, 1000 Berlin und 8000 München Frequenzmultiplex-Signalübertragungseinrichtung
DE2917978C2 (de) * 1979-05-04 1983-12-22 Volker Joachim 4400 Münster Remme Kabelkommunikationssystem
JPS577492A (en) * 1980-06-13 1982-01-14 Shionogi & Co Ltd K-41 derivative
DE3032294A1 (de) * 1980-08-27 1982-03-18 Volker Joachim 4400 Münster Remme Anordnung zum abtasten von signalen
DE3048634A1 (de) * 1980-12-23 1982-07-22 Siemens AG, 1000 Berlin und 8000 München Fernueberwachungseinrichtung mit wenigstens einer anordnung zur uebertragung von meldungen nach einem zeitmultiplex-frequenzmultiplex-verfahren
JPS58127292A (ja) * 1982-01-26 1983-07-29 ニツタン株式会社 火災感知システム
EP0087637B1 (fr) * 1982-02-17 1988-11-17 NCT Neue Communikations-Technik Gesellschaft mit beschränkter Haftung Dispositif de lecture de compteurs de consommation, en particulier pour éléments de chauffage et/ou compteurs d'eau chaude dans des habitations
GB2123193B (en) * 1982-06-19 1985-12-11 James Ernest Gleave Public address system
DE3438293C3 (de) * 1984-10-19 1993-11-18 Telefonbau & Normalzeit Gmbh Vorrichtung zur Freigabe der Benutzung von Fernsehgeräten
GB2251106A (en) * 1990-12-18 1992-06-24 C & I Consultants Limited Multi-point detection systems
DE4236923A1 (de) * 1992-10-31 1994-05-05 Bosch Gmbh Robert Vorrichtung zur Übertragung von Meßwerten über eine Hochfrequenz-Funkverbindung
GB2319443B (en) * 1996-11-14 2001-08-15 Trac Satellite Systems Ltd Combined audio and television distribution
CN108924180A (zh) * 2018-05-24 2018-11-30 常州市第人民医院 一种医院用呼叫识别定位系统

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1172089A (en) * 1965-09-29 1969-11-26 Superior Continental Corp A Communication System
US3423521A (en) * 1966-01-24 1969-01-21 Gordon A Friesen Associates In Television system having common transmission line for power,video signals,and command signals
US3534161A (en) * 1966-01-24 1970-10-13 Gordon A Friesen Intern Inc Television communication systems
DK115190B (da) * 1967-01-18 1969-09-15 Ericsson Telefon Ab L M Anordning ved automatiske hurtigtelefonanlæg til hospitaler.
DE1817148C3 (de) * 1968-12-27 1980-04-30 Schmelter & Claas Gmbh & Co Kg, 4834 Harsewinkel Rufanlage, insbesondere zur Verständigung zwischen Kranken, Pflege- und Wirtschaftspersonal in Krankenhäusern
FR2109499A6 (fr) * 1970-10-28 1972-05-26 Schlumberger Inst System

Also Published As

Publication number Publication date
AT336450B (de) 1977-05-10
CH555626A (de) 1974-10-31
IT991697B (it) 1975-08-30
FR2192422A1 (fr) 1974-02-08
ATA528873A (de) 1976-08-15
DE2233797B2 (de) 1980-08-14
DE2233797C3 (de) 1981-04-02
NL7309599A (fr) 1974-01-14
DE2233797A1 (de) 1974-01-24
GB1417599A (en) 1975-12-10
SE396181B (sv) 1977-09-05

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