SE388523B - Telefonapparat - Google Patents

Telefonapparat

Info

Publication number
SE388523B
SE388523B SE7509361A SE7509361A SE388523B SE 388523 B SE388523 B SE 388523B SE 7509361 A SE7509361 A SE 7509361A SE 7509361 A SE7509361 A SE 7509361A SE 388523 B SE388523 B SE 388523B
Authority
SE
Sweden
Prior art keywords
telephone
Prior art date
Application number
SE7509361A
Other languages
English (en)
Other versions
SE7509361L (sv
Inventor
D Eklov
Original Assignee
Televerkets Centralfoervalt
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 Televerkets Centralfoervalt filed Critical Televerkets Centralfoervalt
Priority to SE7509361A priority Critical patent/SE388523B/sv
Publication of SE7509361L publication Critical patent/SE7509361L/sv
Publication of SE388523B publication Critical patent/SE388523B/sv

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/68—Circuit arrangements for preventing eavesdropping

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
SE7509361A 1974-04-11 1974-04-11 Telefonapparat SE388523B (sv)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SE7509361A SE388523B (sv) 1974-04-11 1974-04-11 Telefonapparat

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE7509361A SE388523B (sv) 1974-04-11 1974-04-11 Telefonapparat

Publications (2)

Publication Number Publication Date
SE7509361L SE7509361L (sv) 1975-10-13
SE388523B true SE388523B (sv) 1976-10-04

Family

ID=20325334

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7509361A SE388523B (sv) 1974-04-11 1974-04-11 Telefonapparat

Country Status (1)

Country Link
SE (1) SE388523B (sv)

Also Published As

Publication number Publication date
SE7509361L (sv) 1975-10-13

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