FR2280280B2 - - Google Patents
Info
- Publication number
- FR2280280B2 FR2280280B2 FR7426018A FR7426018A FR2280280B2 FR 2280280 B2 FR2280280 B2 FR 2280280B2 FR 7426018 A FR7426018 A FR 7426018A FR 7426018 A FR7426018 A FR 7426018A FR 2280280 B2 FR2280280 B2 FR 2280280B2
- Authority
- FR
- France
- 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
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q5/00—Selecting arrangements wherein two or more subscriber stations are connected by the same line to the exchange
- H04Q5/02—Selecting arrangements wherein two or more subscriber stations are connected by the same line to the exchange with direct connection for all subscribers, i.e. party-line systems
- H04Q5/06—Signalling by amplitude or polarity of DC
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Devices For Supply Of Signal Current (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7426018A FR2280280A2 (fr) | 1974-07-26 | 1974-07-26 | Dispositif d'appels selectifs pour installations telephoniques raccordees par des circuits de conversation non alimentes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7426018A FR2280280A2 (fr) | 1974-07-26 | 1974-07-26 | Dispositif d'appels selectifs pour installations telephoniques raccordees par des circuits de conversation non alimentes |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2280280A2 FR2280280A2 (fr) | 1976-02-20 |
| FR2280280B2 true FR2280280B2 (https=) | 1979-08-03 |
Family
ID=9141750
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7426018A Granted FR2280280A2 (fr) | 1974-07-26 | 1974-07-26 | Dispositif d'appels selectifs pour installations telephoniques raccordees par des circuits de conversation non alimentes |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR2280280A2 (https=) |
-
1974
- 1974-07-26 FR FR7426018A patent/FR2280280A2/fr active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| FR2280280A2 (fr) | 1976-02-20 |