CH574193A5 - - Google Patents
Info
- Publication number
- CH574193A5 CH574193A5 CH592974A CH592974A CH574193A5 CH 574193 A5 CH574193 A5 CH 574193A5 CH 592974 A CH592974 A CH 592974A CH 592974 A CH592974 A CH 592974A CH 574193 A5 CH574193 A5 CH 574193A5
- Authority
- CH
- Switzerland
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
- H04M3/00—Automatic or semi-automatic exchanges
- H04M3/22—Arrangements for supervision, monitoring or testing
- H04M3/36—Statistical metering, e.g. recording occasions when traffic exceeds capacity of trunks
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Telephonic Communication Services (AREA)
- Selective Calling Equipment (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT6853173A IT991602B (it) | 1973-05-25 | 1973-05-25 | Perfezionamenti ai tavoli per ope ratori telefonici |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH574193A5 true CH574193A5 (it) | 1976-03-31 |
Family
ID=11309736
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH592974A CH574193A5 (it) | 1973-05-25 | 1974-04-30 |
Country Status (4)
| Country | Link |
|---|---|
| BE (1) | BE812958A (it) |
| CH (1) | CH574193A5 (it) |
| GB (1) | GB1467984A (it) |
| IT (1) | IT991602B (it) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT1091354B (it) * | 1977-10-21 | 1985-07-06 | Cselt Centro Studi Lab Telecom | Identificatore per tavoli di commutazione manuale con servizio di conferenza |
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1973
- 1973-05-25 IT IT6853173A patent/IT991602B/it active
-
1974
- 1974-03-28 BE BE142556A patent/BE812958A/xx not_active IP Right Cessation
- 1974-04-30 CH CH592974A patent/CH574193A5/xx not_active IP Right Cessation
- 1974-05-24 GB GB2329174A patent/GB1467984A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE2425263A1 (de) | 1974-12-12 |
| IT991602B (it) | 1975-08-30 |
| GB1467984A (en) | 1977-03-23 |
| BE812958A (fr) | 1974-07-15 |
| DE2425263B2 (de) | 1975-12-18 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PL | Patent ceased | ||
| PL | Patent ceased |