FR79609E - Improvements to telephone systems - Google Patents
Improvements to telephone systemsInfo
- Publication number
- FR79609E FR79609E FR845433A FR845433A FR79609E FR 79609 E FR79609 E FR 79609E FR 845433 A FR845433 A FR 845433A FR 845433 A FR845433 A FR 845433A FR 79609 E FR79609 E FR 79609E
- 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
- H04M15/04—Recording calls, or communications in printed, perforated or other permanent form
- H04M15/06—Recording class or number of calling, i.e. A-party or called party, i.e. B-party
-
- 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
- H04M15/32—Charging, billing or metering arrangements for satellites or concentrators which connect one or more exchange lines with a group of local lines
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Meter Arrangements (AREA)
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR845433A FR79609E (en) | 1959-09-10 | 1960-11-30 | Improvements to telephone systems |
CH1379161A CH390332A (en) | 1959-09-10 | 1961-11-27 | Automatic telephone installation |
BE610951A BE610951R (en) | 1960-11-30 | 1961-11-30 | Improvements to telephone systems |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR804792A FR1243922A (en) | 1959-09-10 | 1959-09-10 | Improvements to telephone systems |
FR845433A FR79609E (en) | 1959-09-10 | 1960-11-30 | Improvements to telephone systems |
Publications (1)
Publication Number | Publication Date |
---|---|
FR79609E true FR79609E (en) | 1962-12-28 |
Family
ID=26184379
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR845433A Expired FR79609E (en) | 1959-09-10 | 1960-11-30 | Improvements to telephone systems |
Country Status (2)
Country | Link |
---|---|
CH (1) | CH390332A (en) |
FR (1) | FR79609E (en) |
-
1960
- 1960-11-30 FR FR845433A patent/FR79609E/en not_active Expired
-
1961
- 1961-11-27 CH CH1379161A patent/CH390332A/en unknown
Also Published As
Publication number | Publication date |
---|---|
CH390332A (en) | 1965-04-15 |
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