GB824685A - Improvements in or relating to electronic telephone exchanges - Google Patents

Improvements in or relating to electronic telephone exchanges

Info

Publication number
GB824685A
GB824685A GB36954/55A GB3695455A GB824685A GB 824685 A GB824685 A GB 824685A GB 36954/55 A GB36954/55 A GB 36954/55A GB 3695455 A GB3695455 A GB 3695455A GB 824685 A GB824685 A GB 824685A
Authority
GB
United Kingdom
Prior art keywords
pulse
line
pulses
link
transistor
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
GB36954/55A
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 GB824685A publication Critical patent/GB824685A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q11/00—Selecting arrangements for multiplex systems
    • H04Q11/04—Selecting arrangements for multiplex systems for time-division multiplexing

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Monitoring And Testing Of Exchanges (AREA)
  • Exchange Systems With Centralized Control (AREA)
GB36954/55A 1955-12-01 1956-12-03 Improvements in or relating to electronic telephone exchanges Expired GB824685A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE824685X 1955-12-01

Publications (1)

Publication Number Publication Date
GB824685A true GB824685A (en) 1959-12-02

Family

ID=20349337

Family Applications (1)

Application Number Title Priority Date Filing Date
GB36954/55A Expired GB824685A (en) 1955-12-01 1956-12-03 Improvements in or relating to electronic telephone exchanges

Country Status (4)

Country Link
BE (1) BE553053A (US20020095090A1-20020718-M00002.png)
DE (1) DE1057183B (US20020095090A1-20020718-M00002.png)
FR (1) FR1165166A (US20020095090A1-20020718-M00002.png)
GB (1) GB824685A (US20020095090A1-20020718-M00002.png)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL111844C (US20020095090A1-20020718-M00002.png) * 1959-10-20
DE1163390B (de) * 1960-10-28 1964-02-20 Seismos G M B H Schaltglied fuer Verstaerker zur Regelung von Wechselspannungen
DE1162884B (de) * 1961-07-07 1964-02-13 Telefunken Patent Schaltungsanordnung fuer Koordinatenschalter mit als Durchschaltekontakt dienenden Flaechentransistoren in Fernsprechvermittlungsanlagen zur UEbertragung sowohl der verhaeltnismaessig hohen Rufwechselspannung als auch der Sprachfrequenzen ueber denselben Durchschalteweg

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE521520A (US20020095090A1-20020718-M00002.png) * 1952-07-18
BE526142A (US20020095090A1-20020718-M00002.png) * 1953-02-02

Also Published As

Publication number Publication date
DE1057183B (de) 1959-05-14
BE553053A (US20020095090A1-20020718-M00002.png)
FR1165166A (fr) 1958-10-20

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