NL7309599A - - Google Patents

Info

Publication number
NL7309599A
NL7309599A NL7309599A NL7309599A NL7309599A NL 7309599 A NL7309599 A NL 7309599A NL 7309599 A NL7309599 A NL 7309599A NL 7309599 A NL7309599 A NL 7309599A NL 7309599 A NL7309599 A NL 7309599A
Authority
NL
Netherlands
Application number
NL7309599A
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 filed Critical
Publication of NL7309599A publication Critical patent/NL7309599A/xx

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)
NL7309599A 1972-07-10 1973-07-10 NL7309599A (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
NL7309599A true NL7309599A (enrdf_load_stackoverflow) 1974-01-14

Family

ID=5850176

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7309599A NL7309599A (enrdf_load_stackoverflow) 1972-07-10 1973-07-10

Country Status (8)

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

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
DE3378506D1 (en) * 1982-02-17 1988-12-22 Nct Neue Communikations Techni Utility meter reading arrangement, particularly for heating elements and/or hot water meters in homes
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
US3534161A (en) * 1966-01-24 1970-10-13 Gordon A Friesen Intern Inc Television communication systems
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
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 (enrdf_load_stackoverflow) * 1970-10-28 1972-05-26 Schlumberger Inst System

Also Published As

Publication number Publication date
DE2233797A1 (de) 1974-01-24
IT991697B (it) 1975-08-30
GB1417599A (en) 1975-12-10
FR2192422A1 (enrdf_load_stackoverflow) 1974-02-08
AT336450B (de) 1977-05-10
SE396181B (sv) 1977-09-05
DE2233797B2 (de) 1980-08-14
FR2192422B3 (enrdf_load_stackoverflow) 1976-07-02
CH555626A (de) 1974-10-31
ATA528873A (de) 1976-08-15
DE2233797C3 (de) 1981-04-02

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