RO80538B1 - Schema de montaj pentru telefoane cu utilizare simpla sau dubla a liniilor de abonati - Google Patents
Schema de montaj pentru telefoane cu utilizare simpla sau dubla a liniilor de abonatiInfo
- Publication number
- RO80538B1 RO80538B1 RO91626A RO9162677A RO80538B1 RO 80538 B1 RO80538 B1 RO 80538B1 RO 91626 A RO91626 A RO 91626A RO 9162677 A RO9162677 A RO 9162677A RO 80538 B1 RO80538 B1 RO 80538B1
- Authority
- RO
- Romania
- Prior art keywords
- des
- telephones
- double
- abones
- schema
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/58—Anti-side-tone circuits
- H04M1/585—Anti-side-tone circuits implemented without inductive element
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/71—Substation extension arrangements
- H04M1/715—Substation extension arrangements using two or more extensions per line
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Interface Circuits In Exchanges (AREA)
- Telephonic Communication Services (AREA)
- Telephone Function (AREA)
- Devices For Supply Of Signal Current (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DD19495576A DD127119B1 (US20090192370A1-20090730-C00001.png) | 1976-09-23 | 1976-09-23 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| RO80538A2 RO80538A2 (ro) | 1984-03-15 |
| RO80538B1 true RO80538B1 (ro) | 1984-03-30 |
Family
ID=5505821
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| RO91626A RO80538B1 (ro) | 1976-09-23 | 1977-09-21 | Schema de montaj pentru telefoane cu utilizare simpla sau dubla a liniilor de abonati |
Country Status (7)
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2159150C3 (de) * | 1971-11-29 | 1978-07-27 | Siemens Ag, 1000 Berlin Und 8000 Muenchen | Schaltungsanordnung für zentralgespeiste Teilnehmerstationen mit eine Widerstandsbrücke enthaltenden Sprechschaltungen |
-
1976
- 1976-09-23 DD DD19495576A patent/DD127119B1/xx unknown
-
1977
- 1977-07-19 DE DE2732532A patent/DE2732532C2/de not_active Expired
- 1977-08-23 CU CU34755A patent/CU34755A/es unknown
- 1977-09-02 CS CS775742A patent/CS225657B1/cs unknown
- 1977-09-09 HU HU77FE1007A patent/HU176960B/hu unknown
- 1977-09-20 YU YU2223/77A patent/YU39255B/xx unknown
- 1977-09-21 RO RO91626A patent/RO80538B1/ro unknown
Also Published As
| Publication number | Publication date |
|---|---|
| YU39255B (en) | 1984-10-31 |
| DE2732532A1 (de) | 1978-03-30 |
| CS225657B1 (en) | 1984-02-13 |
| CU34755A (es) | 1983-10-04 |
| DE2732532C2 (de) | 1986-04-17 |
| YU222377A (en) | 1982-02-28 |
| RO80538A2 (ro) | 1984-03-15 |
| DD127119B1 (US20090192370A1-20090730-C00001.png) | 1981-05-27 |
| CU20982L (es) | 1981-04-20 |
| HU176960B (hu) | 1981-06-28 |
| DD127119A1 (US20090192370A1-20090730-C00001.png) | 1977-09-07 |
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| FR1069320A (fr) | Poste téléphonique d'abonné avec circuit de compensation pour l'amortissement du courant de conversation dans le récepteur et l'adaptation du microphone et du récepteur | |
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| FR943739A (fr) | Dispositif, dit circuit de ligne, assurant le branchement des abonnés dans les réseaux téléphoniques | |
| JPS59157374U (ja) | ボタン電話装置 |
