DK85102C - Kobling til forhindring af falske indbetalingssignaler ved monttelefoner. - Google Patents

Kobling til forhindring af falske indbetalingssignaler ved monttelefoner.

Info

Publication number
DK85102C
DK85102C DK399055A DK399055A DK85102C DK 85102 C DK85102 C DK 85102C DK 399055 A DK399055 A DK 399055A DK 399055 A DK399055 A DK 399055A DK 85102 C DK85102 C DK 85102C
Authority
DK
Denmark
Prior art keywords
payphones
coupling
prevent false
false payment
payment signals
Prior art date
Application number
DK399055A
Other languages
English (en)
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 DK85102C publication Critical patent/DK85102C/da

Links

DK399055A 1954-12-23 1955-12-06 Kobling til forhindring af falske indbetalingssignaler ved monttelefoner. DK85102C (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE85102X 1954-12-23

Publications (1)

Publication Number Publication Date
DK85102C true DK85102C (da) 1958-02-24

Family

ID=20274278

Family Applications (1)

Application Number Title Priority Date Filing Date
DK399055A DK85102C (da) 1954-12-23 1955-12-06 Kobling til forhindring af falske indbetalingssignaler ved monttelefoner.

Country Status (1)

Country Link
DK (1) DK85102C (da)

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