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)
- Arrangements For Transmission Of Measured Signals (AREA)
- Meter Arrangements (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 (xx) | 1955-06-10 |
Family
ID=10022946
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE520228D BE520228A (xx) | 1953-05-27 | 1953-05-26 |
Country Status (4)
Country | Link |
---|---|
BE (1) | BE520228A (xx) |
DE (1) | DE936520C (xx) |
FR (1) | FR1082786A (xx) |
GB (1) | GB723148A (xx) |
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 |
NL203957A (xx) * | 1955-01-27 | |||
GB850361A (en) * | 1955-12-09 | 1960-10-05 | Siemens Edison Swan Ltd | Improvements relating to automatic exchange systems |
NL218614A (xx) * | 1956-07-02 | |||
NL225745A (xx) * | 1957-03-12 | |||
DE1107729B (de) * | 1957-10-11 | 1961-05-31 | Ericsson Telefon Ab L M | Gespraechsberechnungsvorrichtung fuer Selbstanschlussfernsprechanlagen mit Speicher und Markierer |
NL238749A (xx) * | 1957-12-23 |
-
1953
- 1953-05-26 BE BE520228D patent/BE520228A/xx unknown
- 1953-05-26 FR FR1082786D patent/FR1082786A/fr not_active Expired
- 1953-05-27 GB GB1343552A patent/GB723148A/en not_active Expired
- 1953-05-27 DE DEB25760A patent/DE936520C/de 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 |