FI873929A0 - Elektronisk haollkrets foer oever abonnentledningen matade tvaovaegstelefoner. - Google Patents
Elektronisk haollkrets foer oever abonnentledningen matade tvaovaegstelefoner.Info
- Publication number
- FI873929A0 FI873929A0 FI873929A FI873929A FI873929A0 FI 873929 A0 FI873929 A0 FI 873929A0 FI 873929 A FI873929 A FI 873929A FI 873929 A FI873929 A FI 873929A FI 873929 A0 FI873929 A0 FI 873929A0
- Authority
- FI
- Finland
- Prior art keywords
- tvaovaegstelefoner
- matade
- haollkrets
- abonnentledningen
- elektronisk
- Prior art date
Links
Classifications
-
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Interface Circuits In Exchanges (AREA)
- Sub-Exchange Stations And Push- Button Telephones (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE3630989 | 1986-09-11 |
Publications (2)
Publication Number | Publication Date |
---|---|
FI873929A0 true FI873929A0 (fi) | 1987-09-10 |
FI873929A FI873929A (fi) | 1988-03-12 |
Family
ID=6309389
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI873929A FI873929A (fi) | 1986-09-11 | 1987-09-10 | Elektronisk haollkrets foer oever abonnentledningen matade tvaovaegstelefoner. |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP0263972A3 (fi) |
AU (1) | AU597420B2 (fi) |
FI (1) | FI873929A (fi) |
IN (1) | IN164858B (fi) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IN167984B (fi) * | 1986-09-23 | 1991-01-19 | Siemens Ag |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3766325A (en) * | 1971-09-13 | 1973-10-16 | Lordel Mfg Co | Control circuits for key telephone system |
US4490583A (en) * | 1983-02-14 | 1984-12-25 | Circom, Inc. | Plural line telephone controller |
IN167984B (fi) * | 1986-09-23 | 1991-01-19 | Siemens Ag |
-
1987
- 1987-07-29 IN IN586/CAL/87A patent/IN164858B/en unknown
- 1987-09-08 EP EP87113137A patent/EP0263972A3/de not_active Withdrawn
- 1987-09-10 AU AU78245/87A patent/AU597420B2/en not_active Ceased
- 1987-09-10 FI FI873929A patent/FI873929A/fi not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
IN164858B (fi) | 1989-06-17 |
EP0263972A2 (de) | 1988-04-20 |
AU7824587A (en) | 1988-03-17 |
AU597420B2 (en) | 1990-05-31 |
EP0263972A3 (de) | 1989-06-07 |
FI873929A (fi) | 1988-03-12 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MM | Patent lapsed |
Owner name: SIEMENS AKTIENGESELLSCHAFT |