ES388102A1 - Procedimiento y dispositivo para la formacion de senales que indican el estado de ocupacion yno las senales de servi-cio en una linea telefonica de abonado. - Google Patents
Procedimiento y dispositivo para la formacion de senales que indican el estado de ocupacion yno las senales de servi-cio en una linea telefonica de abonado.Info
- Publication number
- ES388102A1 ES388102A1 ES388102A ES388102A ES388102A1 ES 388102 A1 ES388102 A1 ES 388102A1 ES 388102 A ES388102 A ES 388102A ES 388102 A ES388102 A ES 388102A ES 388102 A1 ES388102 A1 ES 388102A1
- Authority
- ES
- Spain
- Prior art keywords
- subscriber line
- service signals
- indicating
- signals
- conditions
- 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
- H04M3/00—Automatic or semi-automatic exchanges
- H04M3/22—Arrangements for supervision, monitoring or testing
- H04M3/24—Arrangements for supervision, monitoring or testing with provision for checking the normal operation
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Interface Circuits In Exchanges (AREA)
- Telephonic Communication Services (AREA)
- Monitoring And Testing Of Exchanges (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH187070A CH520453A (de) | 1970-02-09 | 1970-02-09 | Verfahren und Vorrichtung zur Bildung von Signalen, welche den Belegungszustand und/oder Dienstsignale auf einer Teilnehmerleitung anzeigen |
Publications (1)
Publication Number | Publication Date |
---|---|
ES388102A1 true ES388102A1 (es) | 1973-05-01 |
Family
ID=4220514
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES388102A Expired ES388102A1 (es) | 1970-02-09 | 1971-02-09 | Procedimiento y dispositivo para la formacion de senales que indican el estado de ocupacion yno las senales de servi-cio en una linea telefonica de abonado. |
Country Status (7)
Country | Link |
---|---|
CH (1) | CH520453A (de) |
DE (1) | DE2101052C3 (de) |
ES (1) | ES388102A1 (de) |
FI (1) | FI57858C (de) |
GB (1) | GB1327673A (de) |
NO (1) | NO133864C (de) |
SE (1) | SE418237B (de) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19609233B4 (de) * | 1996-03-09 | 2005-09-01 | Deutsche Telekom Ag | Verfahren zur Erzeugung eines Steuersignals in einem Impulswahlverfahren für eine öffentliche Vermittlungsstelle |
DE102005025410A1 (de) * | 2005-06-02 | 2006-12-07 | Siemens Ag | Verfahren und Testeinrichtung zur Überprüfung der Übertragung eines eine bestimmte Frequenz aufweisenden Gebührenimpulses |
-
1970
- 1970-02-09 CH CH187070A patent/CH520453A/de not_active IP Right Cessation
- 1970-12-17 NO NO485570A patent/NO133864C/no unknown
- 1970-12-31 FI FI352470A patent/FI57858C/fi active
-
1971
- 1971-01-11 DE DE19712101052 patent/DE2101052C3/de not_active Expired
- 1971-02-02 SE SE127171A patent/SE418237B/xx unknown
- 1971-02-09 ES ES388102A patent/ES388102A1/es not_active Expired
- 1971-04-19 GB GB2076071A patent/GB1327673A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
CH520453A (de) | 1972-03-15 |
FI57858B (fi) | 1980-06-30 |
DE2101052A1 (de) | 1971-08-19 |
NO133864C (de) | 1976-07-14 |
DE2101052C3 (de) | 1979-01-18 |
FI57858C (fi) | 1980-10-10 |
DE2101052B2 (de) | 1978-05-24 |
NO133864B (de) | 1976-03-29 |
GB1327673A (en) | 1973-08-22 |
SE418237B (sv) | 1981-05-11 |
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