DK79993C - Coupling for generating ringtones on subscriber lines. - Google Patents

Coupling for generating ringtones on subscriber lines.

Info

Publication number
DK79993C
DK79993C DK315953A DK315953A DK79993C DK 79993 C DK79993 C DK 79993C DK 315953 A DK315953 A DK 315953A DK 315953 A DK315953 A DK 315953A DK 79993 C DK79993 C DK 79993C
Authority
DK
Denmark
Prior art keywords
coupling
subscriber lines
ringtones
generating
generating ringtones
Prior art date
Application number
DK315953A
Other languages
Danish (da)
Original Assignee
Ericsson Telefon Ab L M
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 Ericsson Telefon Ab L M filed Critical Ericsson Telefon Ab L M
Application granted granted Critical
Publication of DK79993C publication Critical patent/DK79993C/en

Links

DK315953A 1952-10-03 1953-10-02 Coupling for generating ringtones on subscriber lines. DK79993C (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE79993X 1952-10-03

Publications (1)

Publication Number Publication Date
DK79993C true DK79993C (en) 1955-10-17

Family

ID=20272850

Family Applications (1)

Application Number Title Priority Date Filing Date
DK315953A DK79993C (en) 1952-10-03 1953-10-02 Coupling for generating ringtones on subscriber lines.

Country Status (1)

Country Link
DK (1) DK79993C (en)

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