NL79251C - Automatisch telefoonstelsel met door primaire en secundaire coördinaatschakelaars gevormde schakeltrappen - Google Patents

Automatisch telefoonstelsel met door primaire en secundaire coördinaatschakelaars gevormde schakeltrappen

Info

Publication number
NL79251C
NL79251C NL153355A NL153355A NL79251C NL 79251 C NL79251 C NL 79251C NL 153355 A NL153355 A NL 153355A NL 153355 A NL153355 A NL 153355A NL 79251 C NL79251 C NL 79251C
Authority
NL
Netherlands
Prior art keywords
primary
telephone system
automatic telephone
switching stages
stages formed
Prior art date
Application number
NL153355A
Other languages
English (en)
Dutch (nl)
Original Assignee
Ericsson Telefon Ab L M
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 Ericsson Telefon Ab L M filed Critical Ericsson Telefon Ab L M
Application granted granted Critical
Publication of NL79251C publication Critical patent/NL79251C/nl

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements
    • H04Q3/0004—Selecting arrangements using crossbar selectors in the switching stages

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Monitoring And Testing Of Exchanges (AREA)
NL153355A 1949-05-06 1950-05-05 Automatisch telefoonstelsel met door primaire en secundaire coördinaatschakelaars gevormde schakeltrappen NL79251C (nl)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE698328X 1949-05-06

Publications (1)

Publication Number Publication Date
NL79251C true NL79251C (nl) 1955-10-15

Family

ID=20315404

Family Applications (1)

Application Number Title Priority Date Filing Date
NL153355A NL79251C (nl) 1949-05-06 1950-05-05 Automatisch telefoonstelsel met door primaire en secundaire coördinaatschakelaars gevormde schakeltrappen

Country Status (5)

Country Link
US (1) US2679552A (OSRAM)
BE (1) BE495399A (OSRAM)
FR (1) FR1018463A (OSRAM)
GB (1) GB698328A (OSRAM)
NL (1) NL79251C (OSRAM)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB747010A (en) * 1952-05-27 1956-03-21 British Telecomm Res Ltd Improvements in or relating to telephone or like systems
BE527998A (OSRAM) * 1953-04-29
BE535366A (OSRAM) * 1954-02-02

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2201986A (en) * 1938-06-17 1940-05-28 Bell Telephone Labor Inc Telephone system
US2585904A (en) * 1948-10-29 1952-02-19 Bell Telephone Labor Inc Crossbar telephone system

Also Published As

Publication number Publication date
BE495399A (OSRAM) 1950-08-16
US2679552A (en) 1954-05-25
FR1018463A (fr) 1953-01-08
GB698328A (en) 1953-10-14

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