BE520228A - - Google Patents
Info
- Publication number
- BE520228A BE520228A BE520228DA BE520228A BE 520228 A BE520228 A BE 520228A BE 520228D A BE520228D A BE 520228DA BE 520228 A BE520228 A BE 520228A
- 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
- H04M15/04—Recording calls, or communications in printed, perforated or other permanent form
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Meter Arrangements (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1343552A GB723148A (en) | 1953-05-27 | 1953-05-27 | Improvements in or relating to telephone or like systems |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE520228A true BE520228A (de) | 1955-06-10 |
Family
ID=10022946
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE520228D BE520228A (de) | 1953-05-27 | 1953-05-26 |
Country Status (4)
| Country | Link |
|---|---|
| BE (1) | BE520228A (de) |
| DE (1) | DE936520C (de) |
| FR (1) | FR1082786A (de) |
| GB (1) | GB723148A (de) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1063651B (de) * | 1954-10-02 | 1959-08-20 | Siemens Edison Swan Ltd | Schaltungsanordnung zur selbsttaetigen Gebuehrenerfassung abhaengig von Zone und/oder Zeit fuer indirekt gesteuerte Fernsprechanlagen |
| BE545322A (de) * | 1955-01-27 | |||
| GB850361A (en) * | 1955-12-09 | 1960-10-05 | Siemens Edison Swan Ltd | Improvements relating to automatic exchange systems |
| NL218614A (de) * | 1956-07-02 | |||
| NL225745A (de) * | 1957-03-12 | |||
| GB853119A (en) * | 1957-10-11 | 1960-11-02 | Ericsson Telefon Ab L M | Improvements in or relating to call accounting apparatus for automatic telephone systems |
| NL250286A (de) * | 1957-12-23 |
-
1953
- 1953-05-26 FR FR1082786D patent/FR1082786A/fr not_active Expired
- 1953-05-26 BE BE520228D patent/BE520228A/xx unknown
- 1953-05-27 DE DEB25760A patent/DE936520C/de not_active Expired
- 1953-05-27 GB GB1343552A patent/GB723148A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR1082786A (fr) | 1955-01-03 |
| DE936520C (de) | 1955-12-15 |
| GB723148A (en) | 1955-02-02 |