CH236320A - Installation de bureau de télécommunication comprenant un équipement pour l'enregistrement de taxes. - Google Patents
Installation de bureau de télécommunication comprenant un équipement pour l'enregistrement de taxes.Info
- Publication number
- CH236320A CH236320A CH236320DA CH236320A CH 236320 A CH236320 A CH 236320A CH 236320D A CH236320D A CH 236320DA CH 236320 A CH236320 A CH 236320A
- Authority
- CH
- Switzerland
- Prior art keywords
- taxes
- recording
- equipment
- telecommunications office
- office installation
- Prior art date
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
-
- 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
- H04M15/38—Charging, billing or metering by apparatus other than mechanical step-by-step counter type
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 |
---|---|---|---|
GB2529038A GB520681A (en) | 1938-08-29 | 1938-08-29 | Improvements in or relating to tariff recording equipment for telecommunication exchange systems |
Publications (1)
Publication Number | Publication Date |
---|---|
CH236320A true CH236320A (fr) | 1945-01-31 |
Family
ID=8882846
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH236320D CH236320A (fr) | 1938-08-29 | 1939-07-28 | Installation de bureau de télécommunication comprenant un équipement pour l'enregistrement de taxes. |
Country Status (4)
Country | Link |
---|---|
CH (1) | CH236320A (fr) |
FR (1) | FR858437A (fr) |
GB (1) | GB520681A (fr) |
NL (1) | NL52642C (fr) |
-
1938
- 1938-08-29 GB GB2529038A patent/GB520681A/en not_active Expired
-
1939
- 1939-07-28 CH CH236320D patent/CH236320A/fr unknown
- 1939-07-28 FR FR858437D patent/FR858437A/fr not_active Expired
- 1939-08-22 NL NL94905A patent/NL52642C/xx active
Also Published As
Publication number | Publication date |
---|---|
NL52642C (fr) | 1942-06-15 |
FR858437A (fr) | 1940-11-25 |
GB520681A (en) | 1940-05-01 |
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