GB1175847A - Free Path Finding in a Switching Network - Google Patents

Free Path Finding in a Switching Network

Info

Publication number
GB1175847A
GB1175847A GB2740669A GB2740669A GB1175847A GB 1175847 A GB1175847 A GB 1175847A GB 2740669 A GB2740669 A GB 2740669A GB 2740669 A GB2740669 A GB 2740669A GB 1175847 A GB1175847 A GB 1175847A
Authority
GB
United Kingdom
Prior art keywords
stage
switching network
free
junctor
links
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
GB2740669A
Inventor
Andrzej Milewski
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.)
International Business Machines Corp
Original Assignee
International Business Machines Corp
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
Priority claimed from FR7716A external-priority patent/FR1500784A/en
Application filed by International Business Machines Corp filed Critical International Business Machines Corp
Publication of GB1175847A publication Critical patent/GB1175847A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements
    • H04Q3/0008—Selecting arrangements using relay selectors in the switching stages
    • H04Q3/0012—Selecting arrangements using relay selectors in the switching stages in which the relays are arranged in a matrix configuration

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Exchange Systems With Centralized Control (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)

Abstract

1,175,847. Automatic exchange systems. INTERNATIONAL BUSINESS MACHINES CORP, 21 Dec., 1966 [4 Jan., 1966], No. 27406/69. Divided out of 1,175,846. Heading H4K. In a multistage switching network having only one path between a designated (subscribers) inlet and (junctor) outlet, route finding is effected with the aid of a memory map from which the free/busy conditions of corresponding pairs of links (one from the first stage and one to the last stage, one from the second stage and one to the penultimate stage, and so on) are extracted simultaneously and then retained as portions of a possible route only if both links of the pair are free . The "junctor outlets" are located at the centre of the network. The disclosure is substantially identical with that of the parent Specification 1,175,846 and for a full description attention is directed to that Specification.
GB2740669A 1966-01-04 1966-12-21 Free Path Finding in a Switching Network Expired GB1175847A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR7716A FR1500784A (en) 1966-01-04 1966-01-04 Method and device for finding a free path in a switching network
FR06008826A FR94168E (en) 1966-01-04 1967-11-20 Method and device for finding a free path in a switching network.

Publications (1)

Publication Number Publication Date
GB1175847A true GB1175847A (en) 1969-12-23

Family

ID=39832600

Family Applications (2)

Application Number Title Priority Date Filing Date
GB2740669A Expired GB1175847A (en) 1966-01-04 1966-12-21 Free Path Finding in a Switching Network
GB5247668A Expired GB1185797A (en) 1966-01-04 1968-11-06 Free Path Finding Apparatus

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB5247668A Expired GB1185797A (en) 1966-01-04 1968-11-06 Free Path Finding Apparatus

Country Status (3)

Country Link
DE (1) DE1809409A1 (en)
FR (1) FR94168E (en)
GB (2) GB1175847A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2304255B (en) * 1995-08-07 2000-04-12 Be Aerospace Inc Multi-stage switch

Also Published As

Publication number Publication date
GB1185797A (en) 1970-03-25
FR94168E (en) 1969-07-11
DE1809409A1 (en) 1969-07-24

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