FR2267670A1 - - Google Patents
Info
- Publication number
- FR2267670A1 FR2267670A1 FR7511124A FR7511124A FR2267670A1 FR 2267670 A1 FR2267670 A1 FR 2267670A1 FR 7511124 A FR7511124 A FR 7511124A FR 7511124 A FR7511124 A FR 7511124A FR 2267670 A1 FR2267670 A1 FR 2267670A1
- 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.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M3/00—Automatic or semi-automatic exchanges
- H04M3/42—Systems providing special services or facilities to subscribers
- H04M3/58—Arrangements for transferring received calls from one subscriber to another; Arrangements affording interim conversations between either the calling or the called party and a third party
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M9/00—Arrangements for interconnection not involving centralised switching
- H04M9/002—Arrangements for interconnection not involving centralised switching with subscriber controlled access to a line, i.e. key telephone systems
- H04M9/005—Arrangements for interconnection not involving centralised switching with subscriber controlled access to a line, i.e. key telephone systems with subscriber controlled access to an exchange line
- H04M9/007—Arrangements for interconnection not involving centralised switching with subscriber controlled access to a line, i.e. key telephone systems with subscriber controlled access to an exchange line wherein the key telephone sets are star-connected to a central unit by a limited number of lines
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Telephonic Communication Services (AREA)
- Telephone Function (AREA)
- Structure Of Telephone Exchanges (AREA)
- Sub-Exchange Stations And Push- Button Telephones (AREA)
- Devices For Supply Of Signal Current (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL7404995A NL7404995A (nl) | 1974-04-11 | 1974-04-11 | Voor particulier gebruik dienende telefoon- installatie. |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2267670A1 true FR2267670A1 (US08177716-20120515-C00003.png) | 1975-11-07 |
| FR2267670B1 FR2267670B1 (US08177716-20120515-C00003.png) | 1982-10-08 |
Family
ID=19821159
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7511124A Expired FR2267670B1 (US08177716-20120515-C00003.png) | 1974-04-11 | 1975-04-09 |
Country Status (8)
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2371832A1 (fr) * | 1976-11-18 | 1978-06-16 | Int Standard Electric Corp | Dispositif electronique de rupture de boucle a duree calibree pour poste telephonique |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2179523B (en) * | 1985-08-23 | 1989-07-19 | Ferranti Gte Limited | Private telephone system |
| US4744103A (en) * | 1985-11-27 | 1988-05-10 | Rauland-Borg Corporation | Computer controlled multi-link communication system |
-
1974
- 1974-04-11 NL NL7404995A patent/NL7404995A/xx not_active Application Discontinuation
-
1975
- 1975-03-19 SE SE7503102A patent/SE409537B/xx unknown
- 1975-04-04 FI FI751008A patent/FI60475C/sv not_active IP Right Cessation
- 1975-04-09 FR FR7511124A patent/FR2267670B1/fr not_active Expired
- 1975-04-09 GB GB14709/75A patent/GB1501704A/en not_active Expired
- 1975-04-10 IT IT22266/75A patent/IT1037245B/it active
- 1975-04-10 DK DK154475A patent/DK154475A/da not_active IP Right Cessation
- 1975-04-10 NO NO751275A patent/NO141875B/no unknown
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2371832A1 (fr) * | 1976-11-18 | 1978-06-16 | Int Standard Electric Corp | Dispositif electronique de rupture de boucle a duree calibree pour poste telephonique |
Also Published As
| Publication number | Publication date |
|---|---|
| SE409537B (sv) | 1979-08-20 |
| FI751008A (US08177716-20120515-C00003.png) | 1975-10-12 |
| GB1501704A (en) | 1978-02-22 |
| FI60475C (fi) | 1982-01-11 |
| FR2267670B1 (US08177716-20120515-C00003.png) | 1982-10-08 |
| NL7404995A (nl) | 1975-10-14 |
| NO751275L (US08177716-20120515-C00003.png) | 1975-10-14 |
| SE7503102L (sv) | 1975-10-13 |
| IT1037245B (it) | 1979-11-10 |
| DK154475A (US08177716-20120515-C00003.png) | 1975-10-12 |
| FI60475B (fi) | 1981-09-30 |
| NO141875B (no) | 1980-02-11 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |