IT1262539B - Safety device for the electrical insulation of a telephone connected to the transmission line - Google Patents
Safety device for the electrical insulation of a telephone connected to the transmission lineInfo
- Publication number
- IT1262539B IT1262539B ITFI930205A ITFI930205A IT1262539B IT 1262539 B IT1262539 B IT 1262539B IT FI930205 A ITFI930205 A IT FI930205A IT FI930205 A ITFI930205 A IT FI930205A IT 1262539 B IT1262539 B IT 1262539B
- Authority
- IT
- Italy
- Prior art keywords
- telephone
- safety device
- electrical insulation
- transmission line
- telephone connected
- Prior art date
Links
- 238000010292 electrical insulation Methods 0.000 title abstract 2
- 230000005540 biological transmission Effects 0.000 title 1
Abstract
The safety device for electrically insulating a telephone from the line comprises: first means 3 of connection to the telephone line L; second means S of connection to the telephone A; a transfer unit 7 for transferring electrical energy from the telephone line to the device 1 and to the telephone A, the said transfer unit having electrical insulation between the input and the output; and a receiver and transmitter unit 9 capable of receiving and transmitting the signals between the line and the telephone and vice versa, the input and output of the said receiver and transmitter unit being electrically insulated from each other. (Fig.) <IMAGE>
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ITFI930205A IT1262539B (en) | 1993-10-15 | 1993-10-15 | Safety device for the electrical insulation of a telephone connected to the transmission line |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ITFI930205A IT1262539B (en) | 1993-10-15 | 1993-10-15 | Safety device for the electrical insulation of a telephone connected to the transmission line |
Publications (3)
Publication Number | Publication Date |
---|---|
ITFI930205A0 ITFI930205A0 (en) | 1993-10-15 |
ITFI930205A1 ITFI930205A1 (en) | 1995-04-15 |
IT1262539B true IT1262539B (en) | 1996-07-02 |
Family
ID=11350631
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ITFI930205A IT1262539B (en) | 1993-10-15 | 1993-10-15 | Safety device for the electrical insulation of a telephone connected to the transmission line |
Country Status (1)
Country | Link |
---|---|
IT (1) | IT1262539B (en) |
-
1993
- 1993-10-15 IT ITFI930205A patent/IT1262539B/en active IP Right Grant
Also Published As
Publication number | Publication date |
---|---|
ITFI930205A0 (en) | 1993-10-15 |
ITFI930205A1 (en) | 1995-04-15 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
0001 | Granted | ||
TA | Fee payment date (situation as of event date), data collected since 19931001 |
Effective date: 19981104 |