SE318617B - - Google Patents

Info

Publication number
SE318617B
SE318617B SE8482/67A SE848267A SE318617B SE 318617 B SE318617 B SE 318617B SE 8482/67 A SE8482/67 A SE 8482/67A SE 848267 A SE848267 A SE 848267A SE 318617 B SE318617 B SE 318617B
Authority
SE
Sweden
Prior art keywords
junction
marker
busied
far end
call
Prior art date
Application number
SE8482/67A
Other languages
English (en)
Inventor
L Gilboy
R Hayes
E Masucci
J Patterson
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 SE318617B publication Critical patent/SE318617B/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)
  • Exchange Systems With Centralized Control (AREA)
  • Monitoring And Testing Of Exchanges (AREA)
  • Interface Circuits In Exchanges (AREA)
  • Sub-Exchange Stations And Push- Button Telephones (AREA)
SE8482/67A 1966-06-16 1967-06-15 SE318617B (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US55806466A 1966-06-16 1966-06-16
US81259669A 1969-04-02 1969-04-02

Publications (1)

Publication Number Publication Date
SE318617B true SE318617B (fr) 1969-12-15

Family

ID=27071617

Family Applications (1)

Application Number Title Priority Date Filing Date
SE8482/67A SE318617B (fr) 1966-06-16 1967-06-15

Country Status (7)

Country Link
US (1) US3491213A (fr)
BE (1) BE699637A (fr)
DE (1) DE1537013B2 (fr)
ES (1) ES342253A1 (fr)
GB (1) GB1171502A (fr)
NL (1) NL6708409A (fr)
SE (1) SE318617B (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3637946A (en) * 1970-01-07 1972-01-25 Bell Telephone Labor Inc Equipment for controlling interoffice signaling during a glare condition
US3700822A (en) * 1971-04-30 1972-10-24 Bell Telephone Labor Inc Arrangement for reducing glare on two-way trunks
US4017690A (en) * 1976-07-02 1977-04-12 General Telephone Company Of California Guard circuit for ground start telephone equipment
JPH02244998A (ja) * 1989-03-17 1990-09-28 Fujitsu Ltd 双方向回線選択方式
US6058180A (en) * 1997-03-17 2000-05-02 Eagletech Communications, Inc., Automatic person-following communication system
US6195424B1 (en) 1997-03-17 2001-02-27 Eagletech Communications, Inc. Automatic person-following communication system
US6137875A (en) * 1997-05-30 2000-10-24 Lucent Technologies Inc. System and method to minimize glare in interoffice trunk allocation

Also Published As

Publication number Publication date
DE1537013A1 (de) 1969-08-21
GB1171502A (en) 1969-11-19
BE699637A (fr) 1967-11-16
NL6708409A (fr) 1967-12-18
ES342253A1 (es) 1968-07-16
DE1537013B2 (de) 1971-12-09
US3491213A (en) 1970-01-20

Similar Documents

Publication Publication Date Title
GB1515616A (en) Marker controlled telecommunication systems
GB1013594A (en) Improvements in communication switching systems
SE318617B (fr)
ES373468A1 (es) Circuito para un sistema de conmutacion telefonica.
GB1046880A (en) Improvements in or relating to electric circuit arrangements for use in telecommunications systems
GB1271548A (en) A communication system
GB1211408A (en) Radio telephone communication system
GB1066589A (en) Telephone switching systems
GB1020404A (en) Improvements in or relating to telephone systems
GB1051505A (fr)
GB1032966A (en) Private automatic branch exchanges
GB990545A (en) Telephone concentrator systems
JPS57188168A (en) Simple manager secretary telephone system
JPS52125213A (en) Absence transfer system
JPS55165091A (en) Transmission system for selection signal in electronic exchanger
JPS537105A (en) Transmission relay exchange system for aural and facsimile signals
GB1049475A (en) Improvements in or relating to trunk dialling telecommunication systems
GB1030823A (en) Improvements in or relating to tele-communications exchange systems
GB1078321A (en) Circuit arrangements to indicate the call number of subscriber stations in telephoneexchanges
JPS5650660A (en) Incoming call centralized answer system
GB1253530A (en) A communication switching system
GB1043839A (en) Method to mark calls in telephone connections, equipped with automatic call transfer
JPS5516537A (en) Caretaking service communication system
JPS5258303A (en) Communication network constituting system
GB1132144A (en) Telegraphic concentrator