GB1183941A - Free-Path Finding Means - Google Patents

Free-Path Finding Means

Info

Publication number
GB1183941A
GB1183941A GB25690/67A GB2569067A GB1183941A GB 1183941 A GB1183941 A GB 1183941A GB 25690/67 A GB25690/67 A GB 25690/67A GB 2569067 A GB2569067 A GB 2569067A GB 1183941 A GB1183941 A GB 1183941A
Authority
GB
United Kingdom
Prior art keywords
marker
idle
relay
junction
group
Prior art date
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.)
Expired
Application number
GB25690/67A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Telefonaktiebolaget LM Ericsson AB
Original Assignee
Telefonaktiebolaget LM Ericsson AB
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 Telefonaktiebolaget LM Ericsson AB filed Critical Telefonaktiebolaget LM Ericsson AB
Publication of GB1183941A publication Critical patent/GB1183941A/en
Expired legal-status Critical Current

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)
  • Interface Circuits In Exchanges (AREA)
GB25690/67A 1966-06-02 1967-06-02 Free-Path Finding Means Expired GB1183941A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE7529/66A SE302791B (enExample) 1966-06-02 1966-06-02

Publications (1)

Publication Number Publication Date
GB1183941A true GB1183941A (en) 1970-03-11

Family

ID=20271610

Family Applications (1)

Application Number Title Priority Date Filing Date
GB25690/67A Expired GB1183941A (en) 1966-06-02 1967-06-02 Free-Path Finding Means

Country Status (6)

Country Link
US (1) US3548110A (enExample)
BE (1) BE699424A (enExample)
DE (1) DE1537001B1 (enExample)
GB (1) GB1183941A (enExample)
NL (1) NL6707478A (enExample)
SE (1) SE302791B (enExample)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4633042A (en) * 1984-07-26 1986-12-30 Electrotel, Inc. Electronic micro-controller conversion module for step by step switching apparatus
US7876101B2 (en) * 2004-03-08 2011-01-25 New York University Active radio frequency coil providing negative resistance for high field magnetic resonance imaging

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1049927B (enExample) * 1959-02-05
NL267039A (enExample) * 1960-07-18
DE1212163B (de) * 1964-12-01 1966-03-10 Telefunken Patent Multistabiler Schalter zum gleich haeufigen Belegen von gleichartigen Einrichtungen in Fernmelde-, insbesondere Fernsprechanlagen

Also Published As

Publication number Publication date
DE1537001B1 (de) 1970-05-21
NL6707478A (enExample) 1967-12-04
BE699424A (enExample) 1967-11-16
US3548110A (en) 1970-12-15
SE302791B (enExample) 1968-08-05

Similar Documents

Publication Publication Date Title
US3180940A (en) Routing connections in a communication system
US1922237A (en) Automatic telephone system
GB1183941A (en) Free-Path Finding Means
US2467490A (en) Telephone connection between exchanges of the decimal step-by-step type and the nondecimal revertive impulse control type
US2629019A (en) Selector marking system
US2770678A (en) Automatic telephone exchange systems
GB917017A (en) Improvements relating to automatic telecommunication switching systems
US2201573A (en) Telephone system
US2504274A (en) System for automatic telephone exchanges with crossbar switches and private branch exchange trunk lines
GB996147A (en) Improvements in or relating to circuit arrangements for marker-control telecommunications exchanges
GB757025A (en) Improvements in automatic telephone exchange systems
US2137518A (en) Telephone system
US2734946A (en) Mercer
US3462653A (en) System of the kind comprising a number of relay arrangements
US2706749A (en) Testing small private branch exchange trunk groups
US2355207A (en) Telephone system
US2806093A (en) Telephone test selector
US3697704A (en) Circuits for private automatic telephone exchange systems
US3461246A (en) Revertive call circuit
US2550208A (en) Circuit for the transmission of identification and metering signals of calling lines
US3211835A (en) Automatic telecommunication system
US3840709A (en) Busy outlet group control for switching system
US2779821A (en) Automatic telephone systems
US3093708A (en) Telephone line concentrator system
US2684407A (en) Selector

Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PLNP Patent lapsed through nonpayment of renewal fees