GB793416A - Improvements in and relating to an amplifier system for telephone networks - Google Patents
Improvements in and relating to an amplifier system for telephone networksInfo
- Publication number
- GB793416A GB793416A GB26982/56A GB2698256A GB793416A GB 793416 A GB793416 A GB 793416A GB 26982/56 A GB26982/56 A GB 26982/56A GB 2698256 A GB2698256 A GB 2698256A GB 793416 A GB793416 A GB 793416A
- Authority
- GB
- United Kingdom
- Prior art keywords
- relating
- amplifier system
- telephone networks
- sept
- impulses
- 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
- H04M15/28—Arrangements for metering, time-control or time indication ; Metering, charging or billing arrangements for voice wireline or wireless communications, e.g. VoIP with meter at substation or with calculation of charges at terminal
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/60—Substation equipment, e.g. for use by subscribers including speech amplifiers
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
- Meter Arrangements (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH793416X | 1955-09-20 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB793416A true GB793416A (en) | 1958-04-16 |
Family
ID=4537132
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB26982/56A Expired GB793416A (en) | 1955-09-20 | 1956-09-04 | Improvements in and relating to an amplifier system for telephone networks |
Country Status (5)
Country | Link |
---|---|
BE (1) | BE550795A (enrdf_load_stackoverflow) |
CH (1) | CH324913A (enrdf_load_stackoverflow) |
DE (1) | DE1076188B (enrdf_load_stackoverflow) |
FR (1) | FR1156270A (enrdf_load_stackoverflow) |
GB (1) | GB793416A (enrdf_load_stackoverflow) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1270123B (de) * | 1965-07-17 | 1968-06-12 | Merk Gmbh Telefonbau Fried | Schaltungsanordnung zur Erzeugung eines im Fernsprechapparat hoerbaren Signals |
CH622654A5 (enrdf_load_stackoverflow) * | 1977-09-30 | 1981-04-15 | Sodeco Compteurs De Geneve |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB679875A (en) * | 1949-03-16 | 1952-09-24 | Siemens Ag | Improvements in or relating to an arrangement for telephone subscribers sets |
DE899373C (de) * | 1952-04-22 | 1953-12-10 | Telefonbau & Normalzeit Gmbh | Schaltungsanordnung zur Forttschaltung von den Teilnehmerleitungen zugeordneten Gebuehrenanzeigern |
-
0
- BE BE550795D patent/BE550795A/xx unknown
-
1955
- 1955-09-20 CH CH324913D patent/CH324913A/fr unknown
-
1956
- 1956-09-04 FR FR1156270D patent/FR1156270A/fr not_active Expired
- 1956-09-04 GB GB26982/56A patent/GB793416A/en not_active Expired
- 1956-09-06 DE DES50258A patent/DE1076188B/de active Pending
Also Published As
Publication number | Publication date |
---|---|
BE550795A (enrdf_load_stackoverflow) | |
CH324913A (fr) | 1957-10-15 |
DE1076188B (de) | 1960-02-25 |
FR1156270A (fr) | 1958-05-14 |
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