CH214509A - Exchange switch arrangement housed in the main distributor of a telephone exchange for carrier-frequency message transmission via telephone lines. - Google Patents

Exchange switch arrangement housed in the main distributor of a telephone exchange for carrier-frequency message transmission via telephone lines.

Info

Publication number
CH214509A
CH214509A CH214509DA CH214509A CH 214509 A CH214509 A CH 214509A CH 214509D A CH214509D A CH 214509DA CH 214509 A CH214509 A CH 214509A
Authority
CH
Switzerland
Prior art keywords
exchange
carrier
message transmission
transmission via
switch arrangement
Prior art date
Application number
Other languages
German (de)
Inventor
Aktiengesellschaft C Lorenz
Original Assignee
Lorenz C 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 Lorenz C Ag filed Critical Lorenz C Ag
Publication of CH214509A publication Critical patent/CH214509A/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04H—BROADCAST COMMUNICATION
    • H04H20/00—Arrangements for broadcast or for distribution combined with broadcast
    • H04H20/65—Arrangements characterised by transmission systems for broadcast
    • H04H20/76—Wired systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Details Of Connecting Devices For Male And Female Coupling (AREA)
CH214509D 1939-05-12 1940-04-22 Exchange switch arrangement housed in the main distributor of a telephone exchange for carrier-frequency message transmission via telephone lines. CH214509A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE214509X 1939-05-12

Publications (1)

Publication Number Publication Date
CH214509A true CH214509A (en) 1941-04-30

Family

ID=5819088

Family Applications (1)

Application Number Title Priority Date Filing Date
CH214509D CH214509A (en) 1939-05-12 1940-04-22 Exchange switch arrangement housed in the main distributor of a telephone exchange for carrier-frequency message transmission via telephone lines.

Country Status (3)

Country Link
US (1) US2283057A (en)
CH (1) CH214509A (en)
FR (1) FR868657A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB668279A (en) * 1947-06-05

Also Published As

Publication number Publication date
FR868657A (en) 1942-01-12
US2283057A (en) 1942-05-12

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