CH312675A - Uberwachungseinrichtung in einer Fernmeldevermittlungsanlage - Google Patents
Uberwachungseinrichtung in einer FernmeldevermittlungsanlageInfo
- Publication number
- CH312675A CH312675A CH312675DA CH312675A CH 312675 A CH312675 A CH 312675A CH 312675D A CH312675D A CH 312675DA CH 312675 A CH312675 A CH 312675A
- Authority
- CH
- Switzerland
- Prior art keywords
- monitoring device
- switching system
- telecommunication switching
- telecommunication
- monitoring
- Prior art date
Links
- 238000012806 monitoring device Methods 0.000 title 1
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)
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
- Keying Circuit Devices (AREA)
- Relay Circuits (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DES27585A DE908152C (de) | 1952-03-12 | 1952-03-12 | Schaltungsanordnung fuer Fernmeldeanlagen, insbesondere Fernsprechanlagen mit Waehlerbetrieb |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH312675A true CH312675A (de) | 1956-02-15 |
Family
ID=6136300
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH313882D CH313882A (de) | 1952-03-12 | 1952-07-12 | Schaltungsanordnung für Fernmeldeanlagen, insbesondere für Fernsprechanlagen mit Wählerbetrieb |
| CH312675D CH312675A (de) | 1952-03-12 | 1953-02-27 | Uberwachungseinrichtung in einer Fernmeldevermittlungsanlage |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH313882D CH313882A (de) | 1952-03-12 | 1952-07-12 | Schaltungsanordnung für Fernmeldeanlagen, insbesondere für Fernsprechanlagen mit Wählerbetrieb |
Country Status (4)
| Country | Link |
|---|---|
| BE (2) | BE513579A (de) |
| CH (2) | CH313882A (de) |
| DE (4) | DE882257C (de) |
| FR (2) | FR1061495A (de) |
-
0
- BE BE518341D patent/BE518341A/xx unknown
- BE BE513579D patent/BE513579A/xx unknown
-
1951
- 1951-08-19 DE DES24483A patent/DE882257C/de not_active Expired
-
1952
- 1952-03-12 DE DES27586A patent/DE908988C/de not_active Expired
- 1952-03-12 DE DES27587A patent/DE908989C/de not_active Expired
- 1952-03-12 DE DES27585A patent/DE908152C/de not_active Expired
- 1952-07-12 CH CH313882D patent/CH313882A/de unknown
- 1952-08-18 FR FR1061495D patent/FR1061495A/fr not_active Expired
-
1953
- 1953-02-27 CH CH312675D patent/CH312675A/de unknown
- 1953-03-11 FR FR1072865D patent/FR1072865A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE908988C (de) | 1954-04-12 |
| DE882257C (de) | 1953-07-06 |
| BE513579A (de) | |
| CH313882A (de) | 1956-05-15 |
| FR1072865A (fr) | 1954-09-16 |
| FR1061495A (fr) | 1954-04-12 |
| BE518341A (de) | |
| DE908152C (de) | 1954-04-01 |
| DE908989C (de) | 1954-04-12 |
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