BE462260A - - Google Patents
Info
- Publication number
- BE462260A BE462260A BE462260DA BE462260A BE 462260 A BE462260 A BE 462260A BE 462260D A BE462260D A BE 462260DA BE 462260 A BE462260 A BE 462260A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M17/00—Prepayment of wireline communication systems, wireless communication systems or telephone systems
- H04M17/02—Coin-freed or check-freed systems, e.g. mobile- or card-operated phones, public telephones or booths
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M17/00—Prepayment of wireline communication systems, wireless communication systems or telephone systems
- H04M17/02—Coin-freed or check-freed systems, e.g. mobile- or card-operated phones, public telephones or booths
- H04M17/023—Circuit arrangements
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Computer Security & Cryptography (AREA)
- Signal Processing (AREA)
- Prepayment Telephone Systems (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH840861X | 1944-01-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE462260A true BE462260A (tr) |
Family
ID=4541238
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE462260D BE462260A (tr) | 1944-01-10 |
Country Status (3)
| Country | Link |
|---|---|
| BE (1) | BE462260A (tr) |
| CH (1) | CH254410A (tr) |
| DE (1) | DE840861C (tr) |
-
0
- BE BE462260D patent/BE462260A/xx unknown
-
1944
- 1944-01-10 CH CH254410D patent/CH254410A/de unknown
-
1950
- 1950-09-22 DE DEM6113A patent/DE840861C/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE840861C (de) | 1952-06-05 |
| CH254410A (de) | 1948-04-30 |