NL192419C - Stelsel voor het verschaffen van signaaloverdracht tussen een telefooncentrale en instrumenten die zijn geplaatst in de percelen van telefoonabonees. - Google Patents

Stelsel voor het verschaffen van signaaloverdracht tussen een telefooncentrale en instrumenten die zijn geplaatst in de percelen van telefoonabonees. Download PDF

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Publication number
NL192419C
NL192419C NL8520059A NL8520059A NL192419C NL 192419 C NL192419 C NL 192419C NL 8520059 A NL8520059 A NL 8520059A NL 8520059 A NL8520059 A NL 8520059A NL 192419 C NL192419 C NL 192419C
Authority
NL
Netherlands
Prior art keywords
signal
signals
stu
telephone
tone
Prior art date
Application number
NL8520059A
Other languages
English (en)
Dutch (nl)
Other versions
NL8520059A (nl
NL192419B (nl
Original Assignee
Chebra Ronald J
Rolland T James
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 Chebra Ronald J, Rolland T James filed Critical Chebra Ronald J
Publication of NL8520059A publication Critical patent/NL8520059A/nl
Publication of NL192419B publication Critical patent/NL192419B/xx
Application granted granted Critical
Publication of NL192419C publication Critical patent/NL192419C/nl

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M11/00—Telephonic communication systems specially adapted for combination with other electrical systems
    • H04M11/002—Telephonic communication systems specially adapted for combination with other electrical systems with telemetering systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Alarm Systems (AREA)
  • Telephonic Communication Services (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Gyroscopes (AREA)
NL8520059A 1984-03-16 1985-03-12 Stelsel voor het verschaffen van signaaloverdracht tussen een telefooncentrale en instrumenten die zijn geplaatst in de percelen van telefoonabonees. NL192419C (nl)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US59018984A 1984-03-16 1984-03-16
US59018984 1984-03-16
PCT/US1985/000406 WO1985004302A1 (en) 1984-03-16 1985-03-12 Remote subscriber interaction system
US8500406 1985-03-12

Publications (3)

Publication Number Publication Date
NL8520059A NL8520059A (nl) 1986-02-03
NL192419B NL192419B (nl) 1997-03-03
NL192419C true NL192419C (nl) 1997-07-04

Family

ID=24361223

Family Applications (1)

Application Number Title Priority Date Filing Date
NL8520059A NL192419C (nl) 1984-03-16 1985-03-12 Stelsel voor het verschaffen van signaaloverdracht tussen een telefooncentrale en instrumenten die zijn geplaatst in de percelen van telefoonabonees.

Country Status (13)

Country Link
EP (1) EP0177554A4 (de)
JP (1) JPS61502021A (de)
AU (1) AU573323B2 (de)
BR (1) BR8505861A (de)
CA (1) CA1230692A (de)
CH (1) CH672040A5 (de)
DE (2) DE3590106C2 (de)
GB (1) GB2167625B (de)
NL (1) NL192419C (de)
NO (1) NO854558L (de)
NZ (1) NZ211461A (de)
SE (1) SE462667B (de)
WO (1) WO1985004302A1 (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4706241A (en) * 1985-03-12 1987-11-10 Pacific Bell Low speed gate circuit
US4741022A (en) * 1985-12-13 1988-04-26 Base 10 Telecom, Inc. Remote subscriber interaction system
DE9407124U1 (de) * 1994-04-29 1994-07-28 Heckler & Koch Gmbh Stör- oder Wartungsmeldung für Maschinensteuerung
GB9519261D0 (en) * 1995-09-21 1995-11-22 Isdn Systems Ltd A security system
EP1168802A1 (de) * 2000-06-20 2002-01-02 BRITISH TELECOMMUNICATIONS public limited company Endgerät Schnittstellevorrichtung

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2088881A5 (de) * 1970-04-28 1972-01-07 Fichet Bauche
FR2359554A1 (fr) * 1976-07-20 1978-02-17 Matra Procede et installation de transmission d'alarmes sur lignes telephoniques
US4162488A (en) * 1977-03-11 1979-07-24 Emergency Products Corporation Alarm system
US4258357A (en) * 1978-06-24 1981-03-24 Plessey Handel Und Investments Ag Alarm signalling systems
US4342986A (en) * 1980-05-07 1982-08-03 Honeywell Inc. Central station alarm reporting system
US4332980A (en) * 1980-05-30 1982-06-01 Harris Corporation Multiple services system using telephone local loop
US4442320A (en) * 1981-12-04 1984-04-10 Base Ten Systems, Inc. Remote subscriber interaction system

Also Published As

Publication number Publication date
SE8505399L (sv) 1985-11-14
AU4069985A (en) 1985-10-11
CA1230692A (en) 1987-12-22
GB2167625B (en) 1988-05-18
CH672040A5 (de) 1989-10-13
EP0177554A1 (de) 1986-04-16
DE3590106C2 (de) 1994-11-10
NO854558L (no) 1985-11-15
NZ211461A (en) 1989-02-24
GB2167625A (en) 1986-05-29
JPS61502021A (ja) 1986-09-11
BR8505861A (pt) 1986-03-25
DE3590106T (de) 1986-06-26
JPH0575217B2 (de) 1993-10-20
NL8520059A (nl) 1986-02-03
NL192419B (nl) 1997-03-03
SE462667B (sv) 1990-08-06
SE8505399D0 (sv) 1985-11-14
GB8527702D0 (en) 1985-12-11
AU573323B2 (en) 1988-06-02
EP0177554A4 (de) 1986-08-21
WO1985004302A1 (en) 1985-09-26

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Legal Events

Date Code Title Description
V4 Discontinued because of reaching the maximum lifetime of a patent

Effective date: 20050312