GB359448A - Improvements in call metering in telephone systems - Google Patents
Improvements in call metering in telephone systemsInfo
- Publication number
- GB359448A GB359448A GB18655/30A GB1865530A GB359448A GB 359448 A GB359448 A GB 359448A GB 18655/30 A GB18655/30 A GB 18655/30A GB 1865530 A GB1865530 A GB 1865530A GB 359448 A GB359448 A GB 359448A
- Authority
- GB
- United Kingdom
- Prior art keywords
- impulse
- impulses
- magnet
- short
- junctions
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Meter Arrangements (AREA)
- Monitoring And Testing Of Exchanges (AREA)
- Details Of Flowmeters (AREA)
- Measuring Volume Flow (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE359448X | 1929-06-21 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB359448A true GB359448A (en) | 1931-10-19 |
Family
ID=20308874
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB18655/30A Expired GB359448A (en) | 1929-06-21 | 1930-06-18 | Improvements in call metering in telephone systems |
Country Status (5)
-
0
- BE BE371303D patent/BE371303A/xx unknown
-
1930
- 1930-06-18 FR FR697615D patent/FR697615A/fr not_active Expired
- 1930-06-18 US US462104A patent/US1835893A/en not_active Expired - Lifetime
- 1930-06-18 GB GB18655/30A patent/GB359448A/en not_active Expired
- 1930-06-19 DE DE1930595079D patent/DE595079C/de not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR697615A (fr) | 1931-01-20 |
BE371303A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | |
DE595079C (de) | 1934-04-03 |
US1835893A (en) | 1931-12-08 |
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