GB527696A - Improvements in or relating to telephone exchange systems - Google Patents
Improvements in or relating to telephone exchange systemsInfo
- Publication number
- GB527696A GB527696A GB330839A GB330839A GB527696A GB 527696 A GB527696 A GB 527696A GB 330839 A GB330839 A GB 330839A GB 330839 A GB330839 A GB 330839A GB 527696 A GB527696 A GB 527696A
- Authority
- GB
- United Kingdom
- Prior art keywords
- digits
- received
- pulls
- switch
- tone
- 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
- H04M15/10—Metering calls from calling party, i.e. A-party charged for the communication
-
- 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
- H04M15/08—Metering calls to called party, i.e. B-party charged for the communication
-
- 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
- H04M15/38—Charging, billing or metering by apparatus other than mechanical step-by-step counter type
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Ticket-Dispensing Machines (AREA)
- Meter Arrangements (AREA)
- Prepayment Telephone Systems (AREA)
Priority Applications (11)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
BE481458D BE481458A (xx) | 1939-01-31 | ||
BE477157D BE477157A (xx) | 1939-01-31 | ||
BE476045D BE476045A (xx) | 1939-01-31 | ||
BE477240D BE477240A (xx) | 1939-01-31 | ||
GB330839A GB527696A (en) | 1939-01-31 | 1939-01-31 | Improvements in or relating to telephone exchange systems |
GB2354539A GB536248A (en) | 1939-01-31 | 1939-08-15 | Improvements in or relating to printing equipment |
CH229751D CH229751A (fr) | 1939-01-31 | 1939-11-07 | Installation de télécommunication. |
FR948084D FR948084A (fr) | 1939-01-31 | 1946-11-15 | Perfectionnements aux bureaux centraux téléphoniques |
FR56818D FR56818E (fr) | 1939-01-31 | 1947-06-06 | Perfectionnements aux bureaux centraux téléphoniques |
FR57207D FR57207E (fr) | 1939-01-31 | 1947-06-06 | Perfectionnements aux bureaux centraux téléphoniques |
FR57208D FR57208E (fr) | 1939-01-31 | 1947-06-07 | Perfectionnements aux bureaux centraux téléphoniques |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB330839A GB527696A (en) | 1939-01-31 | 1939-01-31 | Improvements in or relating to telephone exchange systems |
Publications (1)
Publication Number | Publication Date |
---|---|
GB527696A true GB527696A (en) | 1940-10-15 |
Family
ID=9755859
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB330839A Expired GB527696A (en) | 1939-01-31 | 1939-01-31 | Improvements in or relating to telephone exchange systems |
GB2354539A Expired GB536248A (en) | 1939-01-31 | 1939-08-15 | Improvements in or relating to printing equipment |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB2354539A Expired GB536248A (en) | 1939-01-31 | 1939-08-15 | Improvements in or relating to printing equipment |
Country Status (4)
Country | Link |
---|---|
BE (4) | BE477240A (xx) |
CH (1) | CH229751A (xx) |
FR (4) | FR948084A (xx) |
GB (2) | GB527696A (xx) |
-
0
- BE BE481458D patent/BE481458A/xx unknown
- BE BE477157D patent/BE477157A/xx unknown
- BE BE476045D patent/BE476045A/xx unknown
- BE BE477240D patent/BE477240A/xx unknown
-
1939
- 1939-01-31 GB GB330839A patent/GB527696A/en not_active Expired
- 1939-08-15 GB GB2354539A patent/GB536248A/en not_active Expired
- 1939-11-07 CH CH229751D patent/CH229751A/fr unknown
-
1946
- 1946-11-15 FR FR948084D patent/FR948084A/fr not_active Expired
-
1947
- 1947-06-06 FR FR56818D patent/FR56818E/fr not_active Expired
- 1947-06-06 FR FR57207D patent/FR57207E/fr not_active Expired
- 1947-06-07 FR FR57208D patent/FR57208E/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
BE477157A (xx) | |
BE476045A (xx) | |
FR57208E (fr) | 1952-12-23 |
CH229751A (fr) | 1943-11-15 |
GB536248A (en) | 1941-05-08 |
FR948084A (fr) | 1949-07-21 |
FR56818E (fr) | 1952-10-07 |
FR57207E (fr) | 1952-12-23 |
BE481458A (xx) | |
BE477240A (xx) |
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