FR2628275A1 - Montage pour terminaux telephoniques - Google Patents
Montage pour terminaux telephoniques Download PDFInfo
- Publication number
- FR2628275A1 FR2628275A1 FR8901359A FR8901359A FR2628275A1 FR 2628275 A1 FR2628275 A1 FR 2628275A1 FR 8901359 A FR8901359 A FR 8901359A FR 8901359 A FR8901359 A FR 8901359A FR 2628275 A1 FR2628275 A1 FR 2628275A1
- Authority
- FR
- France
- Prior art keywords
- transistor
- supply
- thyristor
- supply line
- telephone terminal
- 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.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M19/00—Current supply arrangements for telephone systems
- H04M19/08—Current supply arrangements for telephone systems with current supply sources at the substations
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Devices For Supply Of Signal Current (AREA)
- Sub-Exchange Stations And Push- Button Telephones (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE3803710A DE3803710A1 (de) | 1988-02-04 | 1988-02-04 | Schaltungsanordnung fuer fernsprechendgeraete |
Publications (1)
Publication Number | Publication Date |
---|---|
FR2628275A1 true FR2628275A1 (fr) | 1989-09-08 |
Family
ID=6346867
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR8901359A Pending FR2628275A1 (fr) | 1988-02-04 | 1989-02-02 | Montage pour terminaux telephoniques |
Country Status (12)
Country | Link |
---|---|
BE (1) | BE1001445A3 (da) |
DE (1) | DE3803710A1 (da) |
DK (1) | DK44089A (da) |
ES (1) | ES2010124A6 (da) |
FR (1) | FR2628275A1 (da) |
GB (1) | GB2215562B (da) |
GR (1) | GR890100062A (da) |
IE (1) | IE890224L (da) |
IT (1) | IT1228171B (da) |
LU (1) | LU87426A1 (da) |
NL (1) | NL8900167A (da) |
PT (1) | PT89602B (da) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AT398665B (de) * | 1991-08-23 | 1995-01-25 | Kapsch Ag | Isdn-abschlusseinrichtung |
DE4217857A1 (de) * | 1992-05-29 | 1993-12-02 | Sel Alcatel Ag | Schaltungsanordnung zur Reduzierung von Stromverbrauch |
AU692201B2 (en) * | 1994-02-17 | 1998-06-04 | Alcatel N.V. | Network termination unit |
DE4405037A1 (de) * | 1994-02-17 | 1995-08-24 | Sel Alcatel Ag | Netz- und Vorfeldabschlußeinrichtung eines Telekommunikationsnetzes |
FR2725333B1 (fr) * | 1994-09-30 | 1996-12-13 | Ind Tech Res Inst | Procede et appareil pour la gestion de la puissance et la commande d'un reseau telephonique rnis |
CN1319272C (zh) * | 2003-01-09 | 2007-05-30 | 瑞昱半导体股份有限公司 | 能在高电压下操作的电路装置 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2810709A1 (de) * | 1978-03-11 | 1979-09-20 | Schaltbau Gmbh | Vorrichtung zum schalten der stromversorgung fuer zusatzgeraete von fernsprechanlagen |
EP0035067A1 (de) * | 1980-02-28 | 1981-09-09 | ANT Nachrichtentechnik GmbH | Anordnung zur Speisung einer Teilnehmereinrichtung |
DE3322152A1 (de) * | 1983-06-21 | 1985-01-17 | Telefonbau Und Normalzeit Gmbh, 6000 Frankfurt | Verfahren und schaltungsanordnung zum betreiben von endgeraeten eines digitalen teilnehmeranschlusses |
AU553442B2 (en) * | 1981-05-29 | 1986-07-17 | Standard Telephones And Cables Pty. Limited | Constant output polarity circuit |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3311385C2 (de) * | 1983-03-29 | 1985-07-04 | Telefonbau Und Normalzeit Gmbh, 6000 Frankfurt | Verfahren zum Betreiben von Endgeräten eines digitalen Teilnehmeranschlusses |
DE3416828A1 (de) * | 1984-05-07 | 1985-11-07 | Telefonbau Und Normalzeit Gmbh, 6000 Frankfurt | Digitales fernsprechteilnehmergeraet |
-
1988
- 1988-02-04 DE DE3803710A patent/DE3803710A1/de not_active Ceased
-
1989
- 1989-01-16 LU LU87426A patent/LU87426A1/de unknown
- 1989-01-24 NL NL8900167A patent/NL8900167A/nl not_active Application Discontinuation
- 1989-01-24 IE IE890224A patent/IE890224L/xx unknown
- 1989-02-01 DK DK044089A patent/DK44089A/da not_active Application Discontinuation
- 1989-02-01 BE BE8900099A patent/BE1001445A3/fr active
- 1989-02-01 GB GB8902222A patent/GB2215562B/en not_active Expired - Fee Related
- 1989-02-01 IT IT8919276A patent/IT1228171B/it active
- 1989-02-02 FR FR8901359A patent/FR2628275A1/fr active Pending
- 1989-02-02 PT PT89602A patent/PT89602B/pt not_active IP Right Cessation
- 1989-02-03 GR GR890100062A patent/GR890100062A/el unknown
- 1989-02-03 ES ES8900390A patent/ES2010124A6/es not_active Expired
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2810709A1 (de) * | 1978-03-11 | 1979-09-20 | Schaltbau Gmbh | Vorrichtung zum schalten der stromversorgung fuer zusatzgeraete von fernsprechanlagen |
EP0035067A1 (de) * | 1980-02-28 | 1981-09-09 | ANT Nachrichtentechnik GmbH | Anordnung zur Speisung einer Teilnehmereinrichtung |
AU553442B2 (en) * | 1981-05-29 | 1986-07-17 | Standard Telephones And Cables Pty. Limited | Constant output polarity circuit |
DE3322152A1 (de) * | 1983-06-21 | 1985-01-17 | Telefonbau Und Normalzeit Gmbh, 6000 Frankfurt | Verfahren und schaltungsanordnung zum betreiben von endgeraeten eines digitalen teilnehmeranschlusses |
Non-Patent Citations (1)
Title |
---|
CONFERENCE PROCEEDINGS, INTELEC '86 - INTERNATIONAL COMMUNICATIONS ENERGY CONFERENCE, Toronto, 19-22 octobre 1986, pages 197-202, IEEE, New York, US; R. SIGLOCH: "Requirements for small high efficiency DC/DC converters in complex communication networks" * |
Also Published As
Publication number | Publication date |
---|---|
GR890100062A (el) | 1994-03-31 |
GB8902222D0 (en) | 1989-03-22 |
GB2215562A (en) | 1989-09-20 |
ES2010124A6 (es) | 1989-10-16 |
IE890224L (en) | 1989-08-04 |
IT8919276A0 (it) | 1989-02-01 |
PT89602A (pt) | 1989-10-04 |
DK44089A (da) | 1989-08-05 |
BE1001445A3 (fr) | 1989-10-31 |
LU87426A1 (de) | 1989-06-14 |
GB2215562B (en) | 1992-02-12 |
DK44089D0 (da) | 1989-02-01 |
IT1228171B (it) | 1991-06-04 |
DE3803710A1 (de) | 1989-08-17 |
NL8900167A (nl) | 1989-09-01 |
PT89602B (pt) | 1995-03-01 |
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