DK456274A - - Google Patents
Info
- Publication number
- DK456274A DK456274A DK456274A DK456274A DK456274A DK 456274 A DK456274 A DK 456274A DK 456274 A DK456274 A DK 456274A DK 456274 A DK456274 A DK 456274A DK 456274 A DK456274 A DK 456274A
- Authority
- DK
- Denmark
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q3/00—Selecting arrangements
- H04Q3/58—Arrangements providing connection between main exchange and sub-exchange or satellite
- H04Q3/62—Arrangements providing connection between main exchange and sub-exchange or satellite for connecting to private branch exchanges
- H04Q3/625—Arrangements in the private branch exchange
Landscapes
- Physics & Mathematics (AREA)
- Astronomy & Astrophysics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)
- Sub-Exchange Stations And Push- Button Telephones (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19732343498 DE2343498C3 (de) | 1973-08-29 | Verfahren zum Verbindungsaufbau und Fernsprechvermittlungsanlage zur Durchführung dieses Verfahrens |
Publications (1)
Publication Number | Publication Date |
---|---|
DK456274A true DK456274A (da) | 1975-04-21 |
Family
ID=5891017
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DK456274A DK456274A (da) | 1973-08-29 | 1974-08-28 |
Country Status (7)
Country | Link |
---|---|
US (1) | US3996424A (da) |
AT (1) | AT336694B (da) |
BE (1) | BE819036A (da) |
CH (1) | CH580372A5 (da) |
DK (1) | DK456274A (da) |
IT (1) | IT1019140B (da) |
NL (1) | NL7409520A (da) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4075430A (en) * | 1976-05-14 | 1978-02-21 | International Telephone And Telegraph Corporation | Line signalling over common highway for telecommunications system |
GB1595301A (en) * | 1976-12-10 | 1981-08-12 | Plessey Canada | Electronic telephone system |
US4135063A (en) * | 1977-08-12 | 1979-01-16 | San/Bar Corporation | Modular, expandable intercom system for a multiple-station telephone subscriber installation |
US4203011A (en) * | 1978-01-17 | 1980-05-13 | Tie/Communications, Inc. | Computer controlled key telephone station set |
NZ193563A (en) * | 1979-05-04 | 1983-07-15 | Gen Electric Co Ltd | Pabx adaptation for two wire extension |
US4286118A (en) * | 1979-07-02 | 1981-08-25 | Solid State Systems, Inc. | Data distribution system for private automatic branch exchange |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE318914B (da) * | 1969-03-18 | 1969-12-22 | Ericsson Telefon Ab L M | |
US3651272A (en) * | 1970-06-05 | 1972-03-21 | Bell Telephone Labor Inc | Program controlled key telephone system for automatically connecting unanswered calls to stations |
US3701854A (en) * | 1970-12-21 | 1972-10-31 | Bell Telephone Labor Inc | Key telephone system call signaling and station set data transfer arrangement |
US3757050A (en) * | 1971-04-21 | 1973-09-04 | Nissan Motor | Thin a definite time position multichannel transmission system using clock pulses each occurring wi |
US3843845A (en) * | 1972-09-11 | 1974-10-22 | Northern Electric Co | Electronic key telephone system |
-
1974
- 1974-07-08 CH CH931674A patent/CH580372A5/xx not_active IP Right Cessation
- 1974-07-15 NL NL7409520A patent/NL7409520A/xx not_active Application Discontinuation
- 1974-08-21 BE BE147773A patent/BE819036A/xx not_active IP Right Cessation
- 1974-08-23 US US05/499,895 patent/US3996424A/en not_active Expired - Lifetime
- 1974-08-28 IT IT52779/74A patent/IT1019140B/it active
- 1974-08-28 AT AT695174A patent/AT336694B/de not_active IP Right Cessation
- 1974-08-28 DK DK456274A patent/DK456274A/da not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
IT1019140B (it) | 1977-11-10 |
ATA695174A (de) | 1975-12-15 |
CH580372A5 (da) | 1976-09-30 |
US3996424A (en) | 1976-12-07 |
BE819036A (fr) | 1974-12-16 |
AT336694B (de) | 1977-05-25 |
NL7409520A (nl) | 1975-03-04 |
DE2343498A1 (de) | 1975-04-10 |
DE2343498B2 (de) | 1975-10-16 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
AHB | Application shelved due to non-payment |