JPS4421444B1 - - Google Patents

Info

Publication number
JPS4421444B1
JPS4421444B1 JP6700968A JP6700968A JPS4421444B1 JP S4421444 B1 JPS4421444 B1 JP S4421444B1 JP 6700968 A JP6700968 A JP 6700968A JP 6700968 A JP6700968 A JP 6700968A JP S4421444 B1 JPS4421444 B1 JP S4421444B1
Authority
JP
Japan
Legal status (The legal status 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 status listed.)
Pending
Application number
JP6700968A
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 filed Critical
Publication of JPS4421444B1 publication Critical patent/JPS4421444B1/ja
Pending legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04QSELECTING
    • H04Q3/00Selecting arrangements
    • H04Q3/42Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker
    • H04Q3/54Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker in which the logic circuitry controlling the exchange is centralised
    • H04Q3/545Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker in which the logic circuitry controlling the exchange is centralised using a stored programme
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04QSELECTING
    • H04Q3/00Selecting arrangements
    • H04Q3/0004Selecting arrangements using crossbar selectors in the switching stages
JP6700968A 1967-09-18 1968-09-18 Pending JPS4421444B1 (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US66853067A 1967-09-18 1967-09-18

Publications (1)

Publication Number Publication Date
JPS4421444B1 true JPS4421444B1 (ja) 1969-09-12

Family

ID=24682681

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6700968A Pending JPS4421444B1 (ja) 1967-09-18 1968-09-18

Country Status (9)

Country Link
US (1) US3546393A (ja)
JP (1) JPS4421444B1 (ja)
BE (1) BE720904A (ja)
DE (1) DE1762884C3 (ja)
ES (1) ES358566A1 (ja)
FR (1) FR1583133A (ja)
GB (1) GB1239591A (ja)
NL (1) NL149052B (ja)
SE (1) SE355278B (ja)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3700823A (en) * 1971-09-02 1972-10-24 Northern Electric Co Combined alarm transmission and service call system
US3736383A (en) * 1971-10-28 1973-05-29 American Telephone & Telegraph Multicustomer centralized call diverter
US3859474A (en) * 1972-09-29 1975-01-07 Stromberg Carlson Corp Private automatic branch exchange with central office features
US4232199A (en) * 1978-10-18 1980-11-04 Summa Four, Inc. Special services add-on for dial pulse activated telephone switching office
US4317007A (en) * 1979-03-23 1982-02-23 Small World Exchange, Inc. Telephone-conferencing method and apparatus with monitor-only access
WO1980002095A1 (en) * 1979-03-23 1980-10-02 Small World Exchange Inc Telephone-conferencing apparatus and method
US4633042A (en) * 1984-07-26 1986-12-30 Electrotel, Inc. Electronic micro-controller conversion module for step by step switching apparatus
US4706280A (en) * 1985-10-31 1987-11-10 Electrotel, Inc. Electronic step-by-step telephone switching system
US4755985A (en) * 1986-12-09 1988-07-05 Racal Data Communications Inc. Method and apparatus for facilitating moves and changes in a communication system

Also Published As

Publication number Publication date
NL6813330A (ja) 1969-03-20
GB1239591A (ja) 1971-07-21
FR1583133A (ja) 1969-10-17
DE1762884A1 (de) 1970-11-12
ES358566A1 (es) 1970-04-16
SE355278B (ja) 1973-04-09
US3546393A (en) 1970-12-08
NL149052B (nl) 1976-03-15
BE720904A (ja) 1969-03-03
DE1762884B2 (de) 1971-12-02
DE1762884C3 (de) 1975-10-09

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