FR79611E - Improvements to telephone systems - Google Patents
Improvements to telephone systemsInfo
- Publication number
- FR79611E FR79611E FR846468A FR846468A FR79611E FR 79611 E FR79611 E FR 79611E FR 846468 A FR846468 A FR 846468A FR 846468 A FR846468 A FR 846468A FR 79611 E FR79611 E FR 79611E
- Authority
- FR
- France
- Prior art keywords
- telephone systems
- telephone
- systems
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
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
- H04M15/32—Charging, billing or metering arrangements for satellites or concentrators which connect one or more exchange lines with a group of local lines
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR846468A FR79611E (en) | 1959-09-10 | 1960-12-09 | Improvements to telephone systems |
CH1424761A CH385930A (en) | 1960-12-09 | 1961-12-08 | Telephone installation |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR804792A FR1243922A (en) | 1959-09-10 | 1959-09-10 | Improvements to telephone systems |
FR846468A FR79611E (en) | 1959-09-10 | 1960-12-09 | Improvements to telephone systems |
Publications (1)
Publication Number | Publication Date |
---|---|
FR79611E true FR79611E (en) | 1962-12-28 |
Family
ID=26184381
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR846468A Expired FR79611E (en) | 1959-09-10 | 1960-12-09 | Improvements to telephone systems |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR79611E (en) |
-
1960
- 1960-12-09 FR FR846468A patent/FR79611E/en not_active Expired
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