ES451412A1 - Disposicion de circuito para el funcionamiento de un avisa- dor de tarifas telefonicas. - Google Patents
Disposicion de circuito para el funcionamiento de un avisa- dor de tarifas telefonicas.Info
- Publication number
- ES451412A1 ES451412A1 ES451412A ES451412A ES451412A1 ES 451412 A1 ES451412 A1 ES 451412A1 ES 451412 A ES451412 A ES 451412A ES 451412 A ES451412 A ES 451412A ES 451412 A1 ES451412 A1 ES 451412A1
- Authority
- ES
- Spain
- Prior art keywords
- amplifier
- telephone
- translation
- machine
- legally binding
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Meter Arrangements (AREA)
- Interface Circuits In Exchanges (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH1180775A CH589393A5 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1975-09-11 | 1975-09-11 |
Publications (1)
Publication Number | Publication Date |
---|---|
ES451412A1 true ES451412A1 (es) | 1977-10-01 |
Family
ID=4377061
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES451412A Expired ES451412A1 (es) | 1975-09-11 | 1976-09-10 | Disposicion de circuito para el funcionamiento de un avisa- dor de tarifas telefonicas. |
Country Status (3)
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3035031C2 (de) * | 1980-09-17 | 1982-09-30 | Standard Elektrik Lorenz Ag, 7000 Stuttgart | Verfahren zur Anzeige von Gesprächsgebühren an einer Teilnehmerfernsprechstelle |
-
1975
- 1975-09-11 CH CH1180775A patent/CH589393A5/xx not_active IP Right Cessation
- 1975-10-14 DE DE19752545868 patent/DE2545868C2/de not_active Expired
-
1976
- 1976-09-10 ES ES451412A patent/ES451412A1/es not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE2545868B1 (de) | 1977-02-17 |
CH589393A5 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1977-06-30 |
DE2545868C2 (de) | 1977-09-29 |
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