SE7503102L - Telefoninstallation for privat bruk. - Google Patents
Telefoninstallation for privat bruk.Info
- Publication number
- SE7503102L SE7503102L SE7503102A SE7503102A SE7503102L SE 7503102 L SE7503102 L SE 7503102L SE 7503102 A SE7503102 A SE 7503102A SE 7503102 A SE7503102 A SE 7503102A SE 7503102 L SE7503102 L SE 7503102L
- Authority
- SE
- Sweden
- Prior art keywords
- private use
- telephone installation
- telephone
- installation
- private
- Prior art date
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)
- Sub-Exchange Stations And Push- Button Telephones (AREA)
- Structure Of Telephone Exchanges (AREA)
- Telephone Function (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 |
---|---|
SE7503102L true SE7503102L (sv) | 1975-10-13 |
SE409537B SE409537B (sv) | 1979-08-20 |
Family
ID=19821159
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE7503102A SE409537B (sv) | 1974-04-11 | 1975-03-19 | Telefonapparatsystem |
Country Status (8)
Country | Link |
---|---|
DK (1) | DK154475A (sv) |
FI (1) | FI60475C (sv) |
FR (1) | FR2267670B1 (sv) |
GB (1) | GB1501704A (sv) |
IT (1) | IT1037245B (sv) |
NL (1) | NL7404995A (sv) |
NO (1) | NO141875B (sv) |
SE (1) | SE409537B (sv) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1535650A (en) * | 1976-11-18 | 1978-12-13 | Int Standard Electric Corp | Electronic switching device for producing a timed signal |
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/sv 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
Also Published As
Publication number | Publication date |
---|---|
FR2267670A1 (sv) | 1975-11-07 |
FI60475C (fi) | 1982-01-11 |
NO141875B (no) | 1980-02-11 |
IT1037245B (it) | 1979-11-10 |
FI60475B (fi) | 1981-09-30 |
DK154475A (sv) | 1975-10-12 |
GB1501704A (en) | 1978-02-22 |
NO751275L (sv) | 1975-10-14 |
FI751008A (sv) | 1975-10-12 |
NL7404995A (nl) | 1975-10-14 |
SE409537B (sv) | 1979-08-20 |
FR2267670B1 (sv) | 1982-10-08 |
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