CH116918A - Zähler für Fernsprechanlagen. - Google Patents
Zähler für Fernsprechanlagen.Info
- Publication number
- CH116918A CH116918A CH116918DA CH116918A CH 116918 A CH116918 A CH 116918A CH 116918D A CH116918D A CH 116918DA CH 116918 A CH116918 A CH 116918A
- Authority
- CH
- Switzerland
- Prior art keywords
- counters
- telephone systems
- telephone
- systems
- 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
- H04M15/10—Metering calls from calling party, i.e. A-party charged for the communication
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Telephone Set Structure (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB253425A GB251335A (en) | 1925-01-28 | 1925-01-28 | Improvements in telephone exchange systems |
Publications (1)
Publication Number | Publication Date |
---|---|
CH116918A true CH116918A (de) | 1926-10-01 |
Family
ID=9741252
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH116918D CH116918A (de) | 1925-01-28 | 1925-07-31 | Zähler für Fernsprechanlagen. |
Country Status (4)
Country | Link |
---|---|
CH (1) | CH116918A (de) |
FR (1) | FR602773A (de) |
GB (1) | GB251335A (de) |
NL (1) | NL18444C (de) |
-
0
- NL NL18444D patent/NL18444C/xx active
-
1925
- 1925-01-28 GB GB253425A patent/GB251335A/en not_active Expired
- 1925-07-31 CH CH116918D patent/CH116918A/de unknown
- 1925-08-31 FR FR602773D patent/FR602773A/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR602773A (fr) | 1926-03-26 |
NL18444C (de) | |
GB251335A (en) | 1926-04-28 |
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