SE303150B - - Google Patents

Info

Publication number
SE303150B
SE303150B SE12208/61A SE1220861A SE303150B SE 303150 B SE303150 B SE 303150B SE 12208/61 A SE12208/61 A SE 12208/61A SE 1220861 A SE1220861 A SE 1220861A SE 303150 B SE303150 B SE 303150B
Authority
SE
Sweden
Prior art keywords
relay
operator
battery
relays
pabx
Prior art date
Application number
SE12208/61A
Other languages
English (en)
Inventor
J Michal
R Rippere
Original Assignee
Western Electric Co
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 Western Electric Co filed Critical Western Electric Co
Publication of SE303150B publication Critical patent/SE303150B/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)
  • Interface Circuits In Exchanges (AREA)
SE12208/61A 1960-12-06 1961-12-06 SE303150B (pm)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US74078A US3122612A (en) 1960-12-06 1960-12-06 Communication channel signaling arrangement

Publications (1)

Publication Number Publication Date
SE303150B true SE303150B (pm) 1968-08-19

Family

ID=22117583

Family Applications (1)

Application Number Title Priority Date Filing Date
SE12208/61A SE303150B (pm) 1960-12-06 1961-12-06

Country Status (6)

Country Link
US (1) US3122612A (pm)
BE (1) BE610840A (pm)
DE (1) DE1412699A1 (pm)
GB (1) GB998879A (pm)
NL (1) NL272224A (pm)
SE (1) SE303150B (pm)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2805288A (en) * 1953-11-12 1957-09-03 Gen Dynamics Corp Multi-office telephone system
US2915591A (en) * 1957-08-19 1959-12-01 Gen Dynamics Corp Telephone system trunk circuit
US2976368A (en) * 1958-11-17 1961-03-21 Bell Telephone Labor Inc Incoming trunk circuit for in-dialing service

Also Published As

Publication number Publication date
BE610840A (fr) 1962-03-16
US3122612A (en) 1964-02-25
DE1412699A1 (de) 1969-01-30
NL272224A (pm)
GB998879A (en) 1965-07-21

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