BE440760A - - Google Patents
Info
- Publication number
- BE440760A BE440760A BE440760DA BE440760A BE 440760 A BE440760 A BE 440760A BE 440760D A BE440760D A BE 440760DA BE 440760 A BE440760 A BE 440760A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/02—Details
- H04L12/14—Charging, metering or billing arrangements for data wireline or wireless communications
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Computer Security & Cryptography (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE870243X | 1940-03-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE440760A true BE440760A (en) |
Family
ID=6804841
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE440760D BE440760A (en) | 1940-03-16 |
Country Status (2)
| Country | Link |
|---|---|
| BE (1) | BE440760A (en) |
| FR (1) | FR870243A (en) |
-
0
- BE BE440760D patent/BE440760A/xx unknown
-
1941
- 1941-02-24 FR FR870243D patent/FR870243A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR870243A (en) | 1942-03-05 |