NL146684B - Telefoonstelsel met een toonfrequente kiestekenzender per abonneepost. - Google Patents

Telefoonstelsel met een toonfrequente kiestekenzender per abonneepost.

Info

Publication number
NL146684B
NL146684B NL63302827A NL302827A NL146684B NL 146684 B NL146684 B NL 146684B NL 63302827 A NL63302827 A NL 63302827A NL 302827 A NL302827 A NL 302827A NL 146684 B NL146684 B NL 146684B
Authority
NL
Netherlands
Prior art keywords
dial
tone
telephone system
frequent
per subscription
Prior art date
Application number
NL63302827A
Other languages
English (en)
Dutch (nl)
Original Assignee
Siemens Ag
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 Siemens Ag filed Critical Siemens Ag
Publication of NL146684B publication Critical patent/NL146684B/xx

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements
    • H04Q3/58—Arrangements providing connection between main exchange and sub-exchange or satellite
    • H04Q3/62—Arrangements providing connection between main exchange and sub-exchange or satellite for connecting to private branch exchanges
    • H04Q3/625—Arrangements in the private branch exchange

Landscapes

  • Physics & Mathematics (AREA)
  • Astronomy & Astrophysics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Telephonic Communication Services (AREA)
  • Exchange Systems With Centralized Control (AREA)
NL63302827A 1963-02-20 1963-12-31 Telefoonstelsel met een toonfrequente kiestekenzender per abonneepost. NL146684B (nl)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DES83817A DE1176722B (de) 1963-02-20 1963-02-20 Schaltungsanordnung fuer Fernsprechvermitt-lungsanlagen mit Wahlzeichensendern fuer Ton-frequenzwahl an den Teilnehmerstellen

Publications (1)

Publication Number Publication Date
NL146684B true NL146684B (nl) 1975-07-15

Family

ID=7511281

Family Applications (2)

Application Number Title Priority Date Filing Date
NL302827D NL302827A (US20110009641A1-20110113-C00116.png) 1963-02-20
NL63302827A NL146684B (nl) 1963-02-20 1963-12-31 Telefoonstelsel met een toonfrequente kiestekenzender per abonneepost.

Family Applications Before (1)

Application Number Title Priority Date Filing Date
NL302827D NL302827A (US20110009641A1-20110113-C00116.png) 1963-02-20

Country Status (7)

Country Link
US (1) US3427404A (US20110009641A1-20110113-C00116.png)
BE (1) BE644137A (US20110009641A1-20110113-C00116.png)
CH (1) CH410067A (US20110009641A1-20110113-C00116.png)
DE (1) DE1176722B (US20110009641A1-20110113-C00116.png)
GB (1) GB1007100A (US20110009641A1-20110113-C00116.png)
LU (1) LU45451A1 (US20110009641A1-20110113-C00116.png)
NL (2) NL146684B (US20110009641A1-20110113-C00116.png)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1242672B (de) * 1964-09-10 1967-06-22 Siemens Ag Schaltungsanordnung fuer Fernmelde-, insbesondere Fernsprechanlagen, in denen von den Teilnehmerstellen Wahlkennzeichen und Informationskennzeichen ausgesendet werden
US3700823A (en) * 1971-09-02 1972-10-24 Northern Electric Co Combined alarm transmission and service call system
DE2450189B2 (de) * 1974-10-22 1976-08-26 Siemens AG, 1000 Berlin und 8000 München Schaltungsanordnung zur einleitung einer informationsuebertragung zu einer aufnahmeeinrichtung waehrend einer ueber eine verbindungsleitung bestehenden fernsprechverbindung

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3133155A (en) * 1960-09-27 1964-05-12 Bell Telephone Labor Inc Signal converter circuit

Also Published As

Publication number Publication date
CH410067A (de) 1966-03-31
NL302827A (US20110009641A1-20110113-C00116.png)
US3427404A (en) 1969-02-11
LU45451A1 (US20110009641A1-20110113-C00116.png) 1964-04-18
GB1007100A (en) 1965-10-13
DE1176722B (de) 1964-08-27
BE644137A (US20110009641A1-20110113-C00116.png) 1964-08-20

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