GB455279A - Improvements in or relating to systems for the exchange of intelligence at carrier frequencies over a common medium - Google Patents

Improvements in or relating to systems for the exchange of intelligence at carrier frequencies over a common medium

Info

Publication number
GB455279A
GB455279A GB11446/35A GB1144635A GB455279A GB 455279 A GB455279 A GB 455279A GB 11446/35 A GB11446/35 A GB 11446/35A GB 1144635 A GB1144635 A GB 1144635A GB 455279 A GB455279 A GB 455279A
Authority
GB
United Kingdom
Prior art keywords
frequency
exchange
subscriber
party
line
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
GB11446/35A
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.)
STC PLC
Original Assignee
Standard Telephone and Cables PLC
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 Standard Telephone and Cables PLC filed Critical Standard Telephone and Cables PLC
Publication of GB455279A publication Critical patent/GB455279A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M7/00—Arrangements for interconnection between switching centres
    • H04M7/16—Arrangements for interconnection between switching centres in systems employing carrier frequencies
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J1/00—Frequency-division multiplex systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Interface Circuits In Exchanges (AREA)
GB11446/35A 1934-05-26 1935-04-12 Improvements in or relating to systems for the exchange of intelligence at carrier frequencies over a common medium Expired GB455279A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US455279XA 1934-05-26 1934-05-26

Publications (1)

Publication Number Publication Date
GB455279A true GB455279A (en) 1936-10-12

Family

ID=21938413

Family Applications (1)

Application Number Title Priority Date Filing Date
GB11446/35A Expired GB455279A (en) 1934-05-26 1935-04-12 Improvements in or relating to systems for the exchange of intelligence at carrier frequencies over a common medium

Country Status (5)

Country Link
BE (1) BE409369A (enrdf_load_stackoverflow)
DE (1) DE737864C (enrdf_load_stackoverflow)
FR (2) FR794930A (enrdf_load_stackoverflow)
GB (1) GB455279A (enrdf_load_stackoverflow)
NL (1) NL49328C (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE970178C (de) * 1951-09-28 1958-08-28 Eugen Kessler Automatische Vermittlungseinrichtung fuer Fernmeldeanlagen

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2547001A (en) * 1944-01-26 1951-04-03 Standard Telephones Cables Ltd Drop channel pulse multiplex system
CN118488189B (zh) * 2023-12-01 2024-10-08 泰安市广播电视台 一种基于电视广播的视频通讯方法及系统

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE970178C (de) * 1951-09-28 1958-08-28 Eugen Kessler Automatische Vermittlungseinrichtung fuer Fernmeldeanlagen

Also Published As

Publication number Publication date
FR794930A (fr) 1936-02-28
BE409369A (enrdf_load_stackoverflow) 1935-06-29
NL49328C (enrdf_load_stackoverflow) 1940-10-15
DE737864C (de) 1943-07-27
FR46909E (fr) 1936-11-07

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