GB589469A - Improvements in or relating to telephone or like systems - Google Patents
Improvements in or relating to telephone or like systemsInfo
- Publication number
- GB589469A GB589469A GB7327/45A GB732745A GB589469A GB 589469 A GB589469 A GB 589469A GB 7327/45 A GB7327/45 A GB 7327/45A GB 732745 A GB732745 A GB 732745A GB 589469 A GB589469 A GB 589469A
- Authority
- GB
- United Kingdom
- Prior art keywords
- selector
- metering
- wiper
- line
- wire
- 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
- 238000012360 testing method Methods 0.000 abstract 5
- 238000012986 modification Methods 0.000 abstract 1
- 230000004048 modification Effects 0.000 abstract 1
- 230000011664 signaling Effects 0.000 abstract 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
- H04M15/08—Metering calls to called party, i.e. B-party charged for the communication
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Meter Arrangements (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
BE464041D BE464041A (en:Method) | 1945-03-23 | ||
GB7327/45A GB589469A (en) | 1945-03-23 | 1945-03-23 | Improvements in or relating to telephone or like systems |
US651294A US2550208A (en) | 1945-03-23 | 1946-03-01 | Circuit for the transmission of identification and metering signals of calling lines |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB7327/45A GB589469A (en) | 1945-03-23 | 1945-03-23 | Improvements in or relating to telephone or like systems |
Publications (1)
Publication Number | Publication Date |
---|---|
GB589469A true GB589469A (en) | 1947-06-20 |
Family
ID=9830992
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB7327/45A Expired GB589469A (en) | 1945-03-23 | 1945-03-23 | Improvements in or relating to telephone or like systems |
Country Status (3)
Country | Link |
---|---|
US (1) | US2550208A (en:Method) |
BE (1) | BE464041A (en:Method) |
GB (1) | GB589469A (en:Method) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2669607A (en) * | 1952-10-11 | 1954-02-16 | Stromberg Carlson Co | Automatic telephone system selector with message rate meter control |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2137423A (en) * | 1934-11-23 | 1938-11-22 | Ass Telephone & Telegraph Co | Automatic switch |
GB529025A (en) * | 1939-05-05 | 1940-11-12 | Automatic Telephone & Elect | Improvements in or relating to telephone systems |
US2298453A (en) * | 1939-08-23 | 1942-10-13 | Bell Telephone Labor Inc | Service measuring system |
US2370736A (en) * | 1940-03-13 | 1945-03-06 | Bell Telephone Labor Inc | Telephone system |
BE468235A (en:Method) * | 1940-03-23 | |||
US2372353A (en) * | 1942-03-04 | 1945-03-27 | Bell Telephone Labor Inc | Telephone system |
-
0
- BE BE464041D patent/BE464041A/xx unknown
-
1945
- 1945-03-23 GB GB7327/45A patent/GB589469A/en not_active Expired
-
1946
- 1946-03-01 US US651294A patent/US2550208A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
BE464041A (en:Method) | |
US2550208A (en) | 1951-04-24 |
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