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)
- Devices For Supply Of Signal Current (AREA)
- Telephone Function (AREA)
Abstract
Schema de montaj, conform inventiei, în scopul de a gasi o solutie cu cheltuieli convenabile prin utilizarea multipla a elementelor componente utilizate si de a crea în interesul unei depozitari simplificate si al unei disponibilitati mari, la înlaturarea deranjamentelor si la conectari noi realizeaza un aparat telefonic terminal cu utilizarea universala care poate fi reechipat usor si fara cheltuieli suplimentare la fata locului si fara reducerea valorii de folosire fata de aparatele telefonice terminale speciale, de la linii de abonati cu utilizare simpla la cele cu utilizaresimpla la cele cu utilizare dubla respectiv invers. Inventia are la baza problema de a crea un aparat telefonic terminal care poate fi folosit atît la liniile de abonati cu utilizare simpla cît si la cele cu utilizare dubla.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DD19495576A DD127119B1 (ro) | 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)
| Country | Link |
|---|---|
| CS (1) | CS225657B1 (ro) |
| CU (1) | CU34755A (ro) |
| DD (1) | DD127119B1 (ro) |
| DE (1) | DE2732532C2 (ro) |
| HU (1) | HU176960B (ro) |
| RO (1) | RO80538B1 (ro) |
| YU (1) | YU39255B (ro) |
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 |
|---|---|
| CS225657B1 (en) | 1984-02-13 |
| DE2732532A1 (de) | 1978-03-30 |
| RO80538A2 (ro) | 1984-03-15 |
| DD127119B1 (ro) | 1981-05-27 |
| DE2732532C2 (de) | 1986-04-17 |
| CU34755A (es) | 1983-10-04 |
| CU20982L (es) | 1981-04-20 |
| HU176960B (hu) | 1981-06-28 |
| DD127119A1 (ro) | 1977-09-07 |
| YU222377A (en) | 1982-02-28 |
| YU39255B (en) | 1984-10-31 |
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