NL142556B - Telefoonschakelstelsel met pbx-centrales. - Google Patents

Telefoonschakelstelsel met pbx-centrales.

Info

Publication number
NL142556B
NL142556B NL63300641A NL300641A NL142556B NL 142556 B NL142556 B NL 142556B NL 63300641 A NL63300641 A NL 63300641A NL 300641 A NL300641 A NL 300641A NL 142556 B NL142556 B NL 142556B
Authority
NL
Netherlands
Prior art keywords
centrals
pbx
switching system
telephone switching
telephone
Prior art date
Application number
NL63300641A
Other languages
English (en)
Dutch (nl)
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 NL142556B publication Critical patent/NL142556B/xx

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)
  • Sub-Exchange Stations And Push- Button Telephones (AREA)
  • Exchange Systems With Centralized Control (AREA)
NL63300641A 1962-11-28 1963-11-18 Telefoonschakelstelsel met pbx-centrales. NL142556B (nl)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US240558A US3264415A (en) 1962-11-28 1962-11-28 Switching system for outpulsing on pbx trunks

Publications (1)

Publication Number Publication Date
NL142556B true NL142556B (nl) 1974-06-17

Family

ID=22907033

Family Applications (2)

Application Number Title Priority Date Filing Date
NL300641D NL300641A (xx) 1962-11-28
NL63300641A NL142556B (nl) 1962-11-28 1963-11-18 Telefoonschakelstelsel met pbx-centrales.

Family Applications Before (1)

Application Number Title Priority Date Filing Date
NL300641D NL300641A (xx) 1962-11-28

Country Status (6)

Country Link
US (1) US3264415A (xx)
BE (1) BE640537A (xx)
DE (1) DE1200376C2 (xx)
GB (1) GB1066589A (xx)
NL (2) NL142556B (xx)
SE (1) SE342961B (xx)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE312154B (xx) * 1964-07-02 1969-07-07 Ericsson Telefon Ab L M
US3524025A (en) * 1966-04-14 1970-08-11 Nippon Telegraph & Telephone Route advance control system for automatic telephone exchanges
DE1537762B2 (de) * 1966-09-17 1971-02-18 Hitachi Ltd , Tokio Steuereinrichtung fuer automatische fernmelde vermittlungs anlagen
JPS52127108A (en) * 1976-04-19 1977-10-25 Hitachi Ltd Controllig for private branch exchange of two combined sets
US4415773A (en) * 1981-10-29 1983-11-15 Western Electric Company, Inc. Methods of establishing a switching connection within a switching system
US4879743A (en) * 1988-10-03 1989-11-07 American Telephone And Telegraph Company PBX and adjunct using multi-frequency tones for communication therebetween

Also Published As

Publication number Publication date
SE342961B (xx) 1972-02-21
NL300641A (xx)
DE1200376B (de) 1965-09-09
DE1200376C2 (de) 1976-08-12
BE640537A (xx)
US3264415A (en) 1966-08-02
GB1066589A (en) 1967-04-26

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Legal Events

Date Code Title Description
NL80 Information provided on patent owner name for an already discontinued patent

Owner name: WESTERN ELECTRI

V4 Discontinued because of reaching the maximum lifetime of a patent