GB1567080A - Telephone subscriber conncetion devices - Google Patents
Telephone subscriber conncetion devices Download PDFInfo
- Publication number
- GB1567080A GB1567080A GB7868/77A GB786877A GB1567080A GB 1567080 A GB1567080 A GB 1567080A GB 7868/77 A GB7868/77 A GB 7868/77A GB 786877 A GB786877 A GB 786877A GB 1567080 A GB1567080 A GB 1567080A
- Authority
- GB
- United Kingdom
- Prior art keywords
- signal
- wire
- counting
- subscriber station
- loop
- 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
- H04M19/00—Current supply arrangements for telephone systems
- H04M19/02—Current supply arrangements for telephone systems providing ringing current or supervisory tones, e.g. dialling tone or busy tone
- H04M19/04—Current supply arrangements for telephone systems providing ringing current or supervisory tones, e.g. dialling tone or busy tone the ringing-current being generated at the substations
-
- 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
- H04Q—SELECTING
- H04Q11/00—Selecting arrangements for multiplex systems
- H04Q11/04—Selecting arrangements for multiplex systems for time-division multiplexing
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Interface Circuits In Exchanges (AREA)
- Meter Arrangements (AREA)
- Devices For Supply Of Signal Current (AREA)
- Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19762611066 DE2611066C2 (de) | 1976-03-16 | 1976-03-16 | Fernsprechteilnehmer-Anschlußeinrichtung mit Frequenz- oder Zeitmultiplex-Übertragungsabschnitt |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1567080A true GB1567080A (en) | 1980-05-08 |
Family
ID=5972619
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB7868/77A Expired GB1567080A (en) | 1976-03-16 | 1977-02-24 | Telephone subscriber conncetion devices |
Country Status (12)
Country | Link |
---|---|
JP (1) | JPS52112207A (nl) |
BE (1) | BE852528A (nl) |
BR (1) | BR7701565A (nl) |
DE (1) | DE2611066C2 (nl) |
DK (1) | DK141268C (nl) |
FR (1) | FR2345022A1 (nl) |
GB (1) | GB1567080A (nl) |
IE (1) | IE44788B1 (nl) |
IL (1) | IL51661A (nl) |
IT (1) | IT1076387B (nl) |
LU (1) | LU76943A1 (nl) |
NL (1) | NL171005C (nl) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7767728B2 (en) | 2006-02-13 | 2010-08-03 | 3M Innovative Properties Company | Curable compositions for optical articles |
-
1976
- 1976-03-16 DE DE19762611066 patent/DE2611066C2/de not_active Expired
-
1977
- 1977-02-24 GB GB7868/77A patent/GB1567080A/en not_active Expired
- 1977-03-10 IT IT21104/77A patent/IT1076387B/it active
- 1977-03-11 FR FR7707299A patent/FR2345022A1/fr active Granted
- 1977-03-14 NL NLAANVRAGE7702746,A patent/NL171005C/nl active
- 1977-03-14 LU LU76943A patent/LU76943A1/xx unknown
- 1977-03-15 BR BR7701565A patent/BR7701565A/pt unknown
- 1977-03-15 IL IL51661A patent/IL51661A/xx unknown
- 1977-03-15 JP JP2855977A patent/JPS52112207A/ja active Granted
- 1977-03-15 DK DK113477A patent/DK141268C/da not_active IP Right Cessation
- 1977-03-15 IE IE555/77A patent/IE44788B1/en unknown
- 1977-03-16 BE BE175836A patent/BE852528A/xx not_active IP Right Cessation
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7767728B2 (en) | 2006-02-13 | 2010-08-03 | 3M Innovative Properties Company | Curable compositions for optical articles |
Also Published As
Publication number | Publication date |
---|---|
NL7702746A (nl) | 1977-09-20 |
DK113477A (da) | 1977-09-17 |
BE852528A (fr) | 1977-09-16 |
JPS5633912B2 (nl) | 1981-08-06 |
IT1076387B (it) | 1985-04-27 |
DE2611066C2 (de) | 1977-09-01 |
NL171005C (nl) | 1983-01-17 |
FR2345022B1 (nl) | 1981-06-12 |
IL51661A0 (en) | 1977-05-31 |
DE2611066B1 (de) | 1977-01-20 |
JPS52112207A (en) | 1977-09-20 |
FR2345022A1 (fr) | 1977-10-14 |
LU76943A1 (nl) | 1978-10-18 |
IE44788B1 (en) | 1982-04-07 |
IE44788L (en) | 1977-09-16 |
IL51661A (en) | 1978-12-17 |
DK141268B (da) | 1980-02-11 |
BR7701565A (pt) | 1978-01-03 |
DK141268C (da) | 1980-08-04 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed [section 19, patents act 1949] | ||
PCNP | Patent ceased through non-payment of renewal fee |