BR7700820A - Instalacao telefonica especialmente instalacao serie controlada por teclas,com disposicao monitora para audicao e conversao - Google Patents
Instalacao telefonica especialmente instalacao serie controlada por teclas,com disposicao monitora para audicao e conversaoInfo
- Publication number
- BR7700820A BR7700820A BR7700820A BR7700820A BR7700820A BR 7700820 A BR7700820 A BR 7700820A BR 7700820 A BR7700820 A BR 7700820A BR 7700820 A BR7700820 A BR 7700820A BR 7700820 A BR7700820 A BR 7700820A
- Authority
- BR
- Brazil
- Prior art keywords
- installation
- hearing
- keys
- conversion
- telephone
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M9/00—Arrangements for interconnection not involving centralised switching
- H04M9/04—Arrangements for interconnection not involving centralised switching involving a separate line for each pair of parties
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Interconnected Communication Systems, Intercoms, And Interphones (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19762605540 DE2605540A1 (de) | 1976-02-10 | 1976-02-10 | Fernsprechanlage, insbesondere tastengesteuerte reihenanlage mit mithoer- mitsprecheinrichtungen |
Publications (1)
Publication Number | Publication Date |
---|---|
BR7700820A true BR7700820A (pt) | 1977-10-18 |
Family
ID=5969696
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR7700820A BR7700820A (pt) | 1976-02-10 | 1977-02-10 | Instalacao telefonica especialmente instalacao serie controlada por teclas,com disposicao monitora para audicao e conversao |
Country Status (4)
Country | Link |
---|---|
AR (1) | AR211049A1 (pt) |
BR (1) | BR7700820A (pt) |
DE (1) | DE2605540A1 (pt) |
FR (1) | FR2341240A1 (pt) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3014439C2 (de) * | 1980-04-15 | 1983-09-01 | Siemens AG, 1000 Berlin und 8000 München | Verfahren für eine Fernsprechvermittlungsanlage mit als Vermittlungsplätze ausgebauten Teilnehmerstellen |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH521075A (de) * | 1970-05-19 | 1972-03-31 | Siemens Ag | Schaltungsanordnung für Fernsprechanlagen mit mehreren Verbindungsleitungen und mehreren, mittels Betätigung individueller, den Leitungen zugeordneter Tasten, an diesen Leitungen anschaltbaren Sprechstellen |
GB1480222A (en) * | 1973-10-26 | 1977-07-20 | Gte International Inc | Telephone intercommunication system provided with a common communication line to which access is guarded |
-
1976
- 1976-02-10 DE DE19762605540 patent/DE2605540A1/de active Pending
- 1976-12-29 FR FR7639503A patent/FR2341240A1/fr not_active Withdrawn
-
1977
- 1977-02-10 AR AR26649977A patent/AR211049A1/es active
- 1977-02-10 BR BR7700820A patent/BR7700820A/pt unknown
Also Published As
Publication number | Publication date |
---|---|
AR211049A1 (es) | 1977-10-14 |
FR2341240A1 (fr) | 1977-09-09 |
DE2605540A1 (de) | 1977-08-11 |
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