ES402811A1 - Una instalacion automatica de telecomunicacion. - Google Patents
Una instalacion automatica de telecomunicacion.Info
- Publication number
- ES402811A1 ES402811A1 ES402811A ES402811A ES402811A1 ES 402811 A1 ES402811 A1 ES 402811A1 ES 402811 A ES402811 A ES 402811A ES 402811 A ES402811 A ES 402811A ES 402811 A1 ES402811 A1 ES 402811A1
- Authority
- ES
- Spain
- Prior art keywords
- subscriber
- line
- telephone
- connection
- switching center
- 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
- H04Q—SELECTING
- H04Q3/00—Selecting arrangements
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Telephonic Communication Services (AREA)
- Interface Circuits In Exchanges (AREA)
- Sub-Exchange Stations And Push- Button Telephones (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
- Monitoring And Testing Of Exchanges (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE641271A SE352798B (es) | 1971-05-18 | 1971-05-18 |
Publications (1)
Publication Number | Publication Date |
---|---|
ES402811A1 true ES402811A1 (es) | 1975-04-01 |
Family
ID=20268607
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES402811A Expired ES402811A1 (es) | 1971-05-18 | 1972-05-17 | Una instalacion automatica de telecomunicacion. |
Country Status (12)
Country | Link |
---|---|
JP (1) | JPS5529631B1 (es) |
AU (1) | AU465426B2 (es) |
CA (1) | CA944090A (es) |
DE (1) | DE2223539C3 (es) |
DK (1) | DK142479C (es) |
ES (1) | ES402811A1 (es) |
FI (1) | FI56294C (es) |
FR (1) | FR2138023B1 (es) |
GB (1) | GB1388039A (es) |
IT (1) | IT955625B (es) |
NO (1) | NO129824B (es) |
SE (1) | SE352798B (es) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2841328C2 (de) * | 1978-09-20 | 1983-09-29 | Siemens AG, 1000 Berlin und 8000 München | Fernsprechsonderanlage mit Telebild- Steuereinrichtung |
BR9002488A (pt) * | 1990-04-04 | 1991-11-12 | Mentel Mensagens Telefonicos E | Sistema automatico para reproducao de mensagem gravada em voz em linha telefonica |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1512938B2 (de) * | 1967-04-28 | 1970-11-12 | Siemens AG, 1000 Berlin u. 8000 München | Schaltungsanordnung für Fernsprechanlagen, insbesondere Fernsprechnebenstellenanlagen mit zentraler Steuerung, zur Verbindung von mit Fernseheinrichtungen versehenen Anschlußstellen |
DE1964257B2 (de) * | 1969-12-22 | 1976-11-18 | Robert Bosch Gmbh, 7000 Stuttgart | Verfahren und anordnung zum aufbau eines verbindungsweges fuer videosignale |
-
1971
- 1971-05-18 SE SE641271A patent/SE352798B/xx unknown
-
1972
- 1972-05-02 CA CA141,090A patent/CA944090A/en not_active Expired
- 1972-05-05 FI FI127772A patent/FI56294C/fi active
- 1972-05-05 AU AU41943/72A patent/AU465426B2/en not_active Expired
- 1972-05-15 DE DE19722223539 patent/DE2223539C3/de not_active Expired
- 1972-05-16 NO NO175172A patent/NO129824B/no unknown
- 1972-05-17 GB GB2327372A patent/GB1388039A/en not_active Expired
- 1972-05-17 ES ES402811A patent/ES402811A1/es not_active Expired
- 1972-05-17 DK DK246672A patent/DK142479C/da active
- 1972-05-17 FR FR7217631A patent/FR2138023B1/fr not_active Expired
- 1972-05-18 IT IT2451772A patent/IT955625B/it active
- 1972-05-18 JP JP4951272A patent/JPS5529631B1/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
DE2223539B2 (de) | 1974-09-05 |
FR2138023A1 (es) | 1972-12-29 |
IT955625B (it) | 1973-09-29 |
CA944090A (en) | 1974-03-19 |
DK142479C (da) | 1981-03-16 |
AU465426B2 (en) | 1975-09-25 |
DE2223539C3 (de) | 1978-04-13 |
SE352798B (es) | 1973-01-08 |
FR2138023B1 (es) | 1973-07-13 |
NO129824B (es) | 1974-05-27 |
FI56294C (fi) | 1979-12-10 |
JPS5529631B1 (es) | 1980-08-05 |
DK142479B (da) | 1980-11-03 |
AU4194372A (en) | 1973-11-08 |
GB1388039A (en) | 1975-03-19 |
DE2223539A1 (de) | 1972-11-30 |
FI56294B (fi) | 1979-08-31 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
GB1297565A (es) | ||
GB1342781A (en) | Communication systems | |
GB1515616A (en) | Marker controlled telecommunication systems | |
GB1288917A (es) | ||
ES373468A1 (es) | Circuito para un sistema de conmutacion telefonica. | |
US3014097A (en) | Dial controlled intercommunication systems | |
GB973717A (en) | Automatic telecommunication exchange | |
GB1336931A (en) | Communication systems | |
ES8202228A1 (es) | Perfeccionamientos en circuitos para una instalacion telefo-nica con devolucion de llamadas | |
ES402811A1 (es) | Una instalacion automatica de telecomunicacion. | |
US3684833A (en) | Key telephone system having wideband capability | |
GB1363433A (en) | Dual purpose telecommunication system | |
GB1471364A (en) | Electronic telephone system | |
US3320367A (en) | Telephone line circuit | |
GB1099697A (en) | Improvements in or relating to private branch exchange telephone switching systems | |
GB1029204A (en) | Improvements in or relating to telephone switching systems | |
JP2505441B2 (ja) | デイジタル交換網 | |
GB1363329A (en) | Telephone exchange with video sets | |
GB1473370A (en) | Intercommunication systems | |
GB1082734A (en) | Land-to-mobile telephone link | |
GB1170040A (en) | Improvements in or relating to Dial-Operated Data Transmission Networks | |
GB1043839A (en) | Method to mark calls in telephone connections, equipped with automatic call transfer | |
JPS537105A (en) | Transmission relay exchange system for aural and facsimile signals | |
US2568138A (en) | Combined line and tripping relay circuit for telephone lines | |
GB540250A (en) | Improvements in or relating to telecommunication exchange systems |