NL302827A - - Google Patents

Info

Publication number
NL302827A
NL302827A NL302827DA NL302827A NL 302827 A NL302827 A NL 302827A NL 302827D A NL302827D A NL 302827DA NL 302827 A NL302827 A NL 302827A
Authority
NL
Netherlands
Application number
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.)
Publication of NL302827A publication Critical patent/NL302827A/xx

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04QSELECTING
    • H04Q3/00Selecting arrangements
    • H04Q3/58Arrangements providing connection between main exchange and sub-exchange or satellite
    • H04Q3/62Arrangements providing connection between main exchange and sub-exchange or satellite for connecting to private branch exchanges
    • H04Q3/625Arrangements 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)
NL302827D 1963-02-20 NL302827A (xx)

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
NL302827A true NL302827A (xx)

Family

ID=7511281

Family Applications (2)

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

Family Applications After (1)

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

Country Status (7)

Country Link
US (1) US3427404A (xx)
BE (1) BE644137A (xx)
CH (1) CH410067A (xx)
DE (1) DE1176722B (xx)
GB (1) GB1007100A (xx)
LU (1) LU45451A1 (xx)
NL (2) NL146684B (xx)

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
BE644137A (xx) 1964-08-20
GB1007100A (en) 1965-10-13
DE1176722B (de) 1964-08-27
NL146684B (nl) 1975-07-15
LU45451A1 (xx) 1964-04-18
US3427404A (en) 1969-02-11
CH410067A (de) 1966-03-31

Similar Documents

Publication Publication Date Title
FI41756B (xx)
BE627012A (xx)
BE616967A (xx)
BE571209A (xx)
BE627023A (xx)
BE626986A (xx)
BE626938A (xx)
BE626915A (xx)
BE630929A (xx)
BE626826A (xx)
BE626803A (xx)
BE626590A (xx)
BE626358A (xx)
BE625880A (xx)
BE625828A (xx)
BE625825A (xx)
BE625136A (xx)
BE624982A (xx)
BE624811A (xx)
NL6411547A (xx)
BE624070A (xx)
BE623490A (xx)
BE623315A (xx)
BE623220A (xx)
BE623162A (xx)