SE8300257L - Telekommunikationsterminal - Google Patents
TelekommunikationsterminalInfo
- Publication number
- SE8300257L SE8300257L SE8300257A SE8300257A SE8300257L SE 8300257 L SE8300257 L SE 8300257L SE 8300257 A SE8300257 A SE 8300257A SE 8300257 A SE8300257 A SE 8300257A SE 8300257 L SE8300257 L SE 8300257L
- Authority
- SE
- Sweden
- Prior art keywords
- pct
- terminal
- date aug
- sec
- wire
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
- H04B1/40—Circuits
- H04B1/54—Circuits using the same frequency for two directions of communication
- H04B1/58—Hybrid arrangements, i.e. arrangements for transition from single-path two-direction transmission to single-direction transmission on each of two paths or vice versa
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
- Devices For Supply Of Signal Current (AREA)
- Bidirectional Digital Transmission (AREA)
- Dc Digital Transmission (AREA)
Priority Applications (7)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE8300257A SE435123B (sv) | 1983-01-19 | 1983-01-19 | Telekommunikationsterminal |
| DE8484900550T DE3463714D1 (en) | 1983-01-19 | 1984-01-13 | Telecommunication terminal |
| EP84900550A EP0132272B1 (en) | 1983-01-19 | 1984-01-13 | Telecommunication terminal |
| US06/648,172 US4598172A (en) | 1983-01-19 | 1984-01-13 | Telecommunication terminal |
| PCT/SE1984/000008 WO1984003015A1 (en) | 1983-01-19 | 1984-01-13 | Telecommunication terminal |
| CA000445322A CA1206647A (en) | 1983-01-19 | 1984-01-13 | Telecommunication terminal |
| JP59500607A JPS60500233A (ja) | 1983-01-19 | 1984-01-13 | 遠隔通信端末 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE8300257A SE435123B (sv) | 1983-01-19 | 1983-01-19 | Telekommunikationsterminal |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| SE8300257D0 SE8300257D0 (sv) | 1983-01-19 |
| SE8300257L true SE8300257L (sv) | 1984-07-20 |
| SE435123B SE435123B (sv) | 1984-09-03 |
Family
ID=20349664
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE8300257A SE435123B (sv) | 1983-01-19 | 1983-01-19 | Telekommunikationsterminal |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US4598172A (sv) |
| EP (1) | EP0132272B1 (sv) |
| JP (1) | JPS60500233A (sv) |
| CA (1) | CA1206647A (sv) |
| DE (1) | DE3463714D1 (sv) |
| SE (1) | SE435123B (sv) |
| WO (1) | WO1984003015A1 (sv) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4771449A (en) * | 1986-12-01 | 1988-09-13 | Comfab, Inc. | Data station termination circuit |
| US5034978A (en) * | 1989-12-15 | 1991-07-23 | Xel Communications, Inc. | Universal channel unit switchable between two wire and four wire configurations |
| US5295178A (en) * | 1990-12-03 | 1994-03-15 | Ericsson Ge Mobile Communications Inc. | Digital signal processor for radio base station |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH539982A (de) * | 1971-04-21 | 1973-07-31 | Siemens Ag | Sende- und Empfangseinrichtung mit einem gemeinsamen Sende-Empfangs-Filter |
| GB1437031A (en) * | 1973-04-04 | 1976-05-26 | Plessey Co Ltd | House exchange telephone system |
| GB1566913A (en) * | 1977-02-24 | 1980-05-08 | Standard Telephones Cables Ltd | Automatic telecommunication exchanges |
| US4173714A (en) * | 1977-06-03 | 1979-11-06 | Tie/Communications, Inc. | Communication circuit with combined power feed and data transmission over a phantom channel |
| JPS544510A (en) * | 1977-06-14 | 1979-01-13 | Hitachi Ltd | Combined trunk system between two wires and four wires |
-
1983
- 1983-01-19 SE SE8300257A patent/SE435123B/sv not_active IP Right Cessation
-
1984
- 1984-01-13 CA CA000445322A patent/CA1206647A/en not_active Expired
- 1984-01-13 WO PCT/SE1984/000008 patent/WO1984003015A1/en not_active Ceased
- 1984-01-13 US US06/648,172 patent/US4598172A/en not_active Expired - Fee Related
- 1984-01-13 EP EP84900550A patent/EP0132272B1/en not_active Expired
- 1984-01-13 JP JP59500607A patent/JPS60500233A/ja active Pending
- 1984-01-13 DE DE8484900550T patent/DE3463714D1/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| WO1984003015A1 (en) | 1984-08-02 |
| DE3463714D1 (en) | 1987-06-19 |
| SE435123B (sv) | 1984-09-03 |
| CA1206647A (en) | 1986-06-24 |
| EP0132272A1 (en) | 1985-01-30 |
| JPS60500233A (ja) | 1985-02-21 |
| US4598172A (en) | 1986-07-01 |
| SE8300257D0 (sv) | 1983-01-19 |
| EP0132272B1 (en) | 1987-05-13 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| DE69120166D1 (de) | ATM-Vermittlungsschaltung | |
| JPS54136166A (en) | Semiconductor switch and telephone subscriber*s line circuit | |
| EP0217330A3 (en) | Line switching circuit for cordless telephone | |
| FI882147A7 (sv) | Anslutningslist med anslutningskontakter | |
| EP0450884A3 (en) | A subscriber line interface circuit providing regulated current | |
| BR8200234A (pt) | Circuito de linha de assinante de telefone arranjo compreendendo um circuito de linha e estagio de controle | |
| IT8419655A0 (it) | Circuito di controllo di interfono. | |
| BE862522A (fr) | Circuit de ligne telephonique d'abonne a courant d'alimentation constant | |
| EP0255172A3 (en) | Switching circuit with hysteresis | |
| GB2141563B (en) | Switching regulator off-line starting circuit | |
| DE3781327D1 (de) | Schaltungsanordnung zum schutz der elektronischen schnittstellenschaltung von teilnehmeranschlussschaltungen. | |
| MX154969A (es) | Mejoras en circuito electronico de conmutacion usado en aparatos telefonicos | |
| DE3783219D1 (de) | Spannungssteuerschaltung fuer teilnehmerleitungsschnittstellenschaltung. | |
| EP0284571A3 (en) | A so-called switching voltage regulator for an interface circuit in a telephone subscriber line | |
| SE8300257L (sv) | Telekommunikationsterminal | |
| ATE40773T1 (de) | Schaltungsanordnung zur ableitung von ueberspannungen. | |
| BR8702641A (pt) | Disposicao de circuito de assinante telefonico | |
| EP0087784A3 (en) | Subscriber line circuit comprising low-resistance shuntable feeding resistors and an indication circuit realising different indications | |
| GB2146873B (en) | Telephone subscriber line circuit | |
| IT8249065A0 (it) | Circuito di commutazione in corrente alternata per apertura e chiusura di contatti senza arco | |
| ATE61152T1 (de) | Hilfsanordnung fuer das elektrische schalten, insbesondere fuer relais mit kontakten, schuerze oder gleichartige fernbetaetigte anordnungen. | |
| IT8567455A1 (it) | Interfaccia di collegamento di circuito d'abbonato per autocommutatore telefonico. | |
| JPS57178453A (en) | Switch mechanism | |
| GB2050115B (en) | Telephone line circuit current supply arrangements | |
| FR2339944A1 (fr) | Circuit de commutation d'electro-aimant |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| NUG | Patent has lapsed |
Ref document number: 8300257-6 Effective date: 19920806 Format of ref document f/p: F |