BE438173A - - Google Patents
Info
- Publication number
- BE438173A BE438173A BE438173DA BE438173A BE 438173 A BE438173 A BE 438173A BE 438173D A BE438173D A BE 438173DA BE 438173 A BE438173 A BE 438173A
- 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)
- Telephonic Communication Services (AREA)
- Interface Circuits In Exchanges (AREA)
- Exchange Systems With Centralized Control (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB237887X | 1939-03-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE438173A true BE438173A (da) |
Family
ID=41112512
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE438173D BE438173A (da) | 1939-03-02 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US2286445A (da) |
| BE (1) | BE438173A (da) |
| CH (1) | CH237887A (da) |
| DE (1) | DE830531C (da) |
| FR (1) | FR872187A (da) |
| GB (1) | GB525902A (da) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE465859A (da) * | 1945-06-13 | |||
| BE473455A (da) * | 1946-07-25 | |||
| US2532750A (en) * | 1946-08-03 | 1950-12-05 | Automatic Telephone & Elect | Calling line identifier having display device at operator's position |
| US2570971A (en) * | 1947-11-14 | 1951-10-09 | Bell Telephone Labor Inc | Vertical line number translator |
-
0
- BE BE438173D patent/BE438173A/xx unknown
-
1939
- 1939-03-02 GB GB6905/39A patent/GB525902A/en not_active Expired
-
1940
- 1940-03-01 US US321783A patent/US2286445A/en not_active Expired - Lifetime
- 1940-03-02 FR FR872187D patent/FR872187A/fr not_active Expired
- 1940-03-02 CH CH237887D patent/CH237887A/fr unknown
-
1948
- 1948-12-25 DE DEP26893D patent/DE830531C/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB525902A (en) | 1940-09-06 |
| CH237887A (fr) | 1945-05-31 |
| US2286445A (en) | 1942-06-16 |
| FR872187A (fr) | 1942-06-01 |
| DE830531C (de) | 1952-02-04 |