FR836524A - Building of switches for telephone network exchanges - Google Patents

Building of switches for telephone network exchanges

Info

Publication number
FR836524A
FR836524A FR836524DA FR836524A FR 836524 A FR836524 A FR 836524A FR 836524D A FR836524D A FR 836524DA FR 836524 A FR836524 A FR 836524A
Authority
FR
France
Prior art keywords
switches
building
telephone network
network exchanges
exchanges
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
Other languages
French (fr)
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.)
Alcatel Lucent Deutschland AG
C Lorenz AG
Original Assignee
Standard Elektrik Lorenz AG
C Lorenz AG
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 Elektrik Lorenz AG, C Lorenz AG filed Critical Standard Elektrik Lorenz AG
Application granted granted Critical
Publication of FR836524A publication Critical patent/FR836524A/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04QSELECTING
    • H04Q1/00Details of selecting apparatus or arrangements
    • H04Q1/02Constructional details
    • H04Q1/04Frames or mounting racks for selector switches; Accessories therefor, e.g. frame cover
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04HBROADCAST COMMUNICATION
    • H04H20/00Arrangements for broadcast or for distribution combined with broadcast
    • H04H20/65Arrangements characterised by transmission systems for broadcast
    • H04H20/76Wired systems
    • H04H20/77Wired systems using carrier waves
    • H04H20/81Wired systems using carrier waves combined with telephone network over which the broadcast is continuously available
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M7/00Arrangements for interconnection between switching centres
    • H04M7/16Arrangements for interconnection between switching centres in systems employing carrier frequencies

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Exchange Systems With Centralized Control (AREA)
  • Structure Of Telephone Exchanges (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
FR836524D 1937-04-13 1938-04-12 Building of switches for telephone network exchanges Expired FR836524A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE497534X 1937-04-13

Publications (1)

Publication Number Publication Date
FR836524A true FR836524A (en) 1939-01-19

Family

ID=6545191

Family Applications (1)

Application Number Title Priority Date Filing Date
FR836524D Expired FR836524A (en) 1937-04-13 1938-04-12 Building of switches for telephone network exchanges

Country Status (5)

Country Link
US (1) US2208917A (en)
BE (1) BE427559A (en)
CH (1) CH203270A (en)
FR (1) FR836524A (en)
GB (1) GB497534A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL78682B (en) * 1949-01-26

Also Published As

Publication number Publication date
GB497534A (en) 1938-12-21
BE427559A (en) 1938-05-31
CH203270A (en) 1939-02-28
US2208917A (en) 1940-07-23

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