DK58348C - Kobling til selektivt Tonefrekvensopkald. - Google Patents

Kobling til selektivt Tonefrekvensopkald.

Info

Publication number
DK58348C
DK58348C DK58348DA DK58348C DK 58348 C DK58348 C DK 58348C DK 58348D A DK58348D A DK 58348DA DK 58348 C DK58348 C DK 58348C
Authority
DK
Denmark
Prior art keywords
switch
tone frequency
frequency dialing
selective tone
selective
Prior art date
Application number
Other languages
English (en)
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
Application granted granted Critical
Publication of DK58348C publication Critical patent/DK58348C/da

Links

DK58348D 1938-12-01 1939-10-03 Kobling til selektivt Tonefrekvensopkald. DK58348C (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE58348X 1938-12-01

Publications (1)

Publication Number Publication Date
DK58348C true DK58348C (da) 1941-01-20

Family

ID=5629540

Family Applications (1)

Application Number Title Priority Date Filing Date
DK58348D DK58348C (da) 1938-12-01 1939-10-03 Kobling til selektivt Tonefrekvensopkald.

Country Status (1)

Country Link
DK (1) DK58348C (da)

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