FR2415405B1 - - Google Patents
Info
- Publication number
- FR2415405B1 FR2415405B1 FR7801461A FR7801461A FR2415405B1 FR 2415405 B1 FR2415405 B1 FR 2415405B1 FR 7801461 A FR7801461 A FR 7801461A FR 7801461 A FR7801461 A FR 7801461A FR 2415405 B1 FR2415405 B1 FR 2415405B1
- Authority
- FR
- France
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Interface Circuits In Exchanges (AREA)
Priority Applications (9)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7801461A FR2415405A1 (fr) | 1978-01-19 | 1978-01-19 | Joncteur d'abonne utilisant des impulsions modulees en largeur pour engendrer les signaux d'appel et de taxation |
US05/949,715 US4211896A (en) | 1977-10-17 | 1978-10-10 | Subscriber's circuit with a symmetrical amplifier |
CA000313083A CA1119330A (en) | 1977-10-17 | 1978-10-11 | Subscriber's circuit |
DE2844492A DE2844492C3 (de) | 1977-10-17 | 1978-10-12 | Teilnehmerschaltung |
GB7840410A GB2007463B (en) | 1977-10-17 | 1978-10-13 | Telephone subscriber's line circuit |
NLAANVRAGE7810301,A NL186426C (nl) | 1977-10-17 | 1978-10-13 | Abonneecircuit. |
SE7810700A SE437453B (sv) | 1977-10-17 | 1978-10-13 | Abonnentkrets |
CH1068178A CH636990A5 (de) | 1977-10-17 | 1978-10-13 | Teilnehmerschaltung. |
JP12691878A JPS5465406A (en) | 1977-10-17 | 1978-10-17 | Subscriber*s circuit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7801461A FR2415405A1 (fr) | 1978-01-19 | 1978-01-19 | Joncteur d'abonne utilisant des impulsions modulees en largeur pour engendrer les signaux d'appel et de taxation |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2415405A1 FR2415405A1 (fr) | 1979-08-17 |
FR2415405B1 true FR2415405B1 (US06346242-20020212-C00066.png) | 1982-01-15 |
Family
ID=9203637
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7801461A Granted FR2415405A1 (fr) | 1977-10-17 | 1978-01-19 | Joncteur d'abonne utilisant des impulsions modulees en largeur pour engendrer les signaux d'appel et de taxation |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2415405A1 (US06346242-20020212-C00066.png) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0029823B1 (fr) * | 1979-06-25 | 1984-03-14 | Telecommunications Radioelectriques Et Telephoniques T.R.T. | Circuit de pondération de courants |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2148869A5 (US06346242-20020212-C00066.png) * | 1971-08-06 | 1973-03-23 | Trt Telecom Radio Electr | |
US4150260A (en) * | 1975-06-18 | 1979-04-17 | Hitachi, Ltd. | Subscriber's circuit for four-wire-system local switch |
-
1978
- 1978-01-19 FR FR7801461A patent/FR2415405A1/fr active Granted
Also Published As
Publication number | Publication date |
---|---|
FR2415405A1 (fr) | 1979-08-17 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
TP | Transmission of property | ||
ST | Notification of lapse |