BE478253A - - Google Patents
Info
- Publication number
- BE478253A BE478253A BE478253DA BE478253A BE 478253 A BE478253 A BE 478253A BE 478253D A BE478253D A BE 478253DA BE 478253 A BE478253 A BE 478253A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M15/00—Arrangements for metering, time-control or time indication ; Metering, charging or billing arrangements for voice wireline or wireless communications, e.g. VoIP
- H04M15/08—Metering calls to called party, i.e. B-party charged for the communication
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Monitoring And Testing Of Exchanges (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1213239A GB529718A (en) | 1939-04-22 | 1939-04-22 | Improvements in or relating to telecommunication exchange systems |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE478253A true BE478253A (US07816562-20101019-C00012.png) |
Family
ID=9998932
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE478253D BE478253A (US07816562-20101019-C00012.png) | 1939-04-22 |
Country Status (3)
| Country | Link |
|---|---|
| BE (1) | BE478253A (US07816562-20101019-C00012.png) |
| FR (1) | FR959748A (US07816562-20101019-C00012.png) |
| GB (1) | GB529718A (US07816562-20101019-C00012.png) |
-
0
- BE BE478253D patent/BE478253A/xx unknown
- FR FR959748D patent/FR959748A/fr not_active Expired
-
1939
- 1939-04-22 GB GB1213239A patent/GB529718A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR959748A (US07816562-20101019-C00012.png) | 1950-04-04 |
| GB529718A (en) | 1940-11-27 |
