FR2366756B1 - - Google Patents
Info
- Publication number
- FR2366756B1 FR2366756B1 FR7629418A FR7629418A FR2366756B1 FR 2366756 B1 FR2366756 B1 FR 2366756B1 FR 7629418 A FR7629418 A FR 7629418A FR 7629418 A FR7629418 A FR 7629418A FR 2366756 B1 FR2366756 B1 FR 2366756B1
- 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
- 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)
- Devices For Supply Of Signal Current (AREA)
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7629418A FR2366756A1 (fr) | 1976-09-30 | 1976-09-30 | Circuit electronique d'injection de sonnerie |
BR7705297A BR7705297A (pt) | 1976-09-30 | 1977-08-10 | Circuito eletronico de campainha |
GB3908477A GB1552078A (en) | 1976-09-30 | 1977-09-20 | Electronic ringing circuit |
DE19772742677 DE2742677C2 (de) | 1976-09-30 | 1977-09-22 | Schaltungsanordnung zur Anschaltung der Speisegleichspannung und der Rufwechselspannung an Fernsprechteilnehmerleitungen |
BE2056291A BE859104A (fr) | 1976-09-30 | 1977-09-28 | Circuit electronique d'injection de sonnerie |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7629418A FR2366756A1 (fr) | 1976-09-30 | 1976-09-30 | Circuit electronique d'injection de sonnerie |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2366756A1 FR2366756A1 (fr) | 1978-04-28 |
FR2366756B1 true FR2366756B1 (de) | 1983-04-22 |
Family
ID=9178244
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7629418A Granted FR2366756A1 (fr) | 1976-09-30 | 1976-09-30 | Circuit electronique d'injection de sonnerie |
Country Status (4)
Country | Link |
---|---|
BE (1) | BE859104A (de) |
BR (1) | BR7705297A (de) |
DE (1) | DE2742677C2 (de) |
FR (1) | FR2366756A1 (de) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL7807531A (nl) * | 1978-07-13 | 1980-01-15 | Philips Nv | Inrichting voor het toevoeren van een signaal aan een transmissielijn. |
FR2437121A1 (fr) * | 1978-09-19 | 1980-04-18 | Thomson Ericsson Telephones So | Nouveau dispositif d'injection de sonnerie dans les postes telephoniques |
NL7903665A (nl) * | 1979-05-10 | 1980-11-12 | Philips Nv | Aansluitschakeling voor een telefoonlijn. |
IE870388L (en) * | 1987-02-16 | 1988-08-16 | Lake Electronic Tech | Ringing voltage generator |
DE3814661A1 (de) * | 1988-04-29 | 1989-11-09 | Nixdorf Computer Ag | Einrichtung zum schalten der rufwechselspannung an teilnehmeranschlussleitungen |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH600714A5 (de) * | 1974-09-24 | 1978-06-30 | Siemens Ag Albis | |
JPS5199408A (de) * | 1975-02-28 | 1976-09-02 | Hitachi Ltd |
-
1976
- 1976-09-30 FR FR7629418A patent/FR2366756A1/fr active Granted
-
1977
- 1977-08-10 BR BR7705297A patent/BR7705297A/pt unknown
- 1977-09-22 DE DE19772742677 patent/DE2742677C2/de not_active Expired
- 1977-09-28 BE BE2056291A patent/BE859104A/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
FR2366756A1 (fr) | 1978-04-28 |
BE859104A (fr) | 1978-03-28 |
DE2742677C2 (de) | 1986-01-30 |
BR7705297A (pt) | 1978-07-04 |
DE2742677A1 (de) | 1978-04-06 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |