BE518823A - - Google Patents
Info
- Publication number
- BE518823A BE518823A BE518823DA BE518823A BE 518823 A BE518823 A BE 518823A BE 518823D A BE518823D A BE 518823DA BE 518823 A BE518823 A BE 518823A
- 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
- H04M15/28—Arrangements for metering, time-control or time indication ; Metering, charging or billing arrangements for voice wireline or wireless communications, e.g. VoIP with meter at substation or with calculation of charges at terminal
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Devices For Supply Of Signal Current (AREA)
- Interface Circuits In Exchanges (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR943127X | 1952-02-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE518823A true BE518823A (en) |
Family
ID=9471142
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE518823D BE518823A (en) | 1952-02-21 |
Country Status (3)
| Country | Link |
|---|---|
| BE (1) | BE518823A (en) |
| DE (1) | DE943127C (en) |
| FR (1) | FR1050987A (en) |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE561631C (en) * | 1930-06-18 | 1932-10-17 | Siemens & Halske Akt Ges | Circuit arrangement for counting in telephone systems |
| DE658609C (en) * | 1935-06-28 | 1938-04-13 | Siemens & Halske Akt Ges | Circuit arrangement for telephone systems with main and sub-exchanges and charge displays at individual subscriber stations |
| DE661082C (en) * | 1936-01-27 | 1938-06-10 | Siemens & Halske Akt Ges | Circuit arrangement for telephone systems with subscriber counters to be actuated during the conversation in the exchange |
| DE695778C (en) * | 1936-04-16 | 1940-09-02 | Soehne | Circuit arrangement for telephone systems with multiple counting during the conversation |
| DE686266C (en) * | 1937-05-07 | 1940-01-06 | Siemens Ag Albis | Arrangement for conversation time registration for a recording device at the subscriber station |
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0
- BE BE518823D patent/BE518823A/xx unknown
-
1952
- 1952-02-21 FR FR1050987D patent/FR1050987A/en not_active Expired
-
1953
- 1953-02-20 DE DEI6938A patent/DE943127C/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR1050987A (en) | 1954-01-12 |
| DE943127C (en) | 1956-05-09 |