ES2041708T3 - Circuito de estacion de abonado para instalaciones de telecomunicaciones, especialmente instalaciones telefonicas. - Google Patents
Circuito de estacion de abonado para instalaciones de telecomunicaciones, especialmente instalaciones telefonicas.Info
- Publication number
- ES2041708T3 ES2041708T3 ES198888101704T ES88101704T ES2041708T3 ES 2041708 T3 ES2041708 T3 ES 2041708T3 ES 198888101704 T ES198888101704 T ES 198888101704T ES 88101704 T ES88101704 T ES 88101704T ES 2041708 T3 ES2041708 T3 ES 2041708T3
- Authority
- ES
- Spain
- Prior art keywords
- facilities
- contacts
- subscriber station
- circuit
- fork
- 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 - Lifetime
Links
- 238000004353 relayed correlation spectroscopy Methods 0.000 abstract 2
- 230000011664 signaling Effects 0.000 abstract 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/60—Substation equipment, e.g. for use by subscribers including speech amplifiers
- H04M1/6033—Substation equipment, e.g. for use by subscribers including speech amplifiers for providing handsfree use or a loudspeaker mode in telephone sets
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/82—Line monitoring circuits for call progress or status discrimination
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Interface Circuits In Exchanges (AREA)
- Relay Circuits (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19873703682 DE3703682A1 (de) | 1987-02-06 | 1987-02-06 | Teilnehmerstationsschaltung fuer fernmelde-, insbesondere fernsprechanlagen |
Publications (1)
Publication Number | Publication Date |
---|---|
ES2041708T3 true ES2041708T3 (es) | 1993-12-01 |
Family
ID=6320413
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES198888101704T Expired - Lifetime ES2041708T3 (es) | 1987-02-06 | 1988-02-05 | Circuito de estacion de abonado para instalaciones de telecomunicaciones, especialmente instalaciones telefonicas. |
Country Status (3)
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2675328B1 (fr) * | 1991-04-10 | 1993-06-25 | Matra Communication | Circuit de commande d'une ecoute amplifiee d'un poste telephonique. |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3881069A (en) * | 1973-04-05 | 1975-04-29 | Nitsuko Ltd | Telephone call loudspeaker monitoring and relay control circuit |
DE2918494A1 (de) * | 1979-05-04 | 1980-11-13 | Elmeg | Fernsprechapparat mit freisprecheinrichtung |
DE2937638C2 (de) * | 1979-09-18 | 1981-11-26 | Krone Gmbh, 1000 Berlin | Rastfreie Taste als Ein-Aus-Schalter und zur Lautstärkeeintellung |
DE3120283C2 (de) * | 1981-05-21 | 1983-12-29 | Siemens AG, 1000 Berlin und 8000 München | Schaltungsanordnung zum wahlweisen Betreiben einer Lautfernsprechstation |
DE3423682A1 (de) * | 1984-06-27 | 1986-01-09 | Hagenuk GmbH, 2300 Kiel | Schaltungsanordnung fuer eine fernsprechteilnehmerstation |
DE3545150A1 (de) * | 1985-12-17 | 1987-06-19 | Krone Ag | Schaltungsanordnung fuer ein bedienelement eines fernsprechendgeraetes, insbesondere fernsprechapparates |
-
1987
- 1987-02-06 DE DE19873703682 patent/DE3703682A1/de active Granted
-
1988
- 1988-02-05 ES ES198888101704T patent/ES2041708T3/es not_active Expired - Lifetime
- 1988-02-05 EP EP88101704A patent/EP0278429B1/de not_active Expired - Lifetime
- 1988-02-05 DE DE8888101704T patent/DE3880337D1/de not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
DE3703682A1 (de) | 1988-08-18 |
DE3880337D1 (de) | 1993-05-27 |
EP0278429A2 (de) | 1988-08-17 |
EP0278429B1 (de) | 1993-04-21 |
EP0278429A3 (en) | 1989-07-19 |
DE3703682C2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1990-03-22 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FG2A | Definitive protection |
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