SE7410037L - - Google Patents
Info
- Publication number
- SE7410037L SE7410037L SE7410037A SE7410037A SE7410037L SE 7410037 L SE7410037 L SE 7410037L SE 7410037 A SE7410037 A SE 7410037A SE 7410037 A SE7410037 A SE 7410037A SE 7410037 L SE7410037 L SE 7410037L
- Authority
- SE
- Sweden
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J1/00—Frequency-division multiplex systems
- H04J1/02—Details
- H04J1/04—Frequency-transposition arrangements
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J4/00—Combined time-division and frequency-division multiplex systems
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L25/00—Baseband systems
- H04L25/38—Synchronous or start-stop systems, e.g. for Baudot code
- H04L25/40—Transmitting circuits; Receiving circuits
- H04L25/49—Transmitting circuits; Receiving circuits using code conversion at the transmitter; using predistortion; using insertion of idle bits for obtaining a desired frequency spectrum; using three or more amplitude levels ; Baseband coding techniques specific to data transmission systems
- H04L25/4917—Transmitting circuits; Receiving circuits using code conversion at the transmitter; using predistortion; using insertion of idle bits for obtaining a desired frequency spectrum; using three or more amplitude levels ; Baseband coding techniques specific to data transmission systems using multilevel codes
- H04L25/4923—Transmitting circuits; Receiving circuits using code conversion at the transmitter; using predistortion; using insertion of idle bits for obtaining a desired frequency spectrum; using three or more amplitude levels ; Baseband coding techniques specific to data transmission systems using multilevel codes using ternary codes
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/02—Amplitude-modulated carrier systems, e.g. using on-off keying; Single sideband or vestigial sideband modulation
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Electromagnetism (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
- Dc Digital Transmission (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19732339806 DE2339806C3 (en) | 1973-08-06 | Messaging system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| SE7410037L true SE7410037L (en) | 1975-02-07 |
| SE404745B SE404745B (en) | 1978-10-23 |
Family
ID=5889038
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE7410037A SE404745B (en) | 1973-08-06 | 1974-08-05 | INFORMATION TRANSFER DEVICE |
Country Status (6)
| Country | Link |
|---|---|
| JP (2) | JPS5076966A (en) |
| AT (1) | AT350111B (en) |
| BE (1) | BE818558R (en) |
| GB (1) | GB1482971A (en) |
| IT (1) | IT1046369B (en) |
| SE (1) | SE404745B (en) |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1368068A (en) * | 1971-10-20 | 1974-09-25 | Post Office | Digital communication systems |
-
1974
- 1974-07-24 GB GB32606/74A patent/GB1482971A/en not_active Expired
- 1974-07-31 AT AT626974A patent/AT350111B/en not_active IP Right Cessation
- 1974-08-02 IT IT25916/74A patent/IT1046369B/en active
- 1974-08-05 SE SE7410037A patent/SE404745B/en unknown
- 1974-08-06 JP JP49090200A patent/JPS5076966A/ja active Pending
- 1974-08-06 BE BE147352A patent/BE818558R/en active
-
1980
- 1980-10-17 JP JP1980147206U patent/JPS5717583Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| BE818558R (en) | 1974-12-02 |
| JPS5717583Y2 (en) | 1982-04-13 |
| IT1046369B (en) | 1980-06-30 |
| GB1482971A (en) | 1977-08-17 |
| JPS5076966A (en) | 1975-06-24 |
| DE2339806B2 (en) | 1976-09-23 |
| AT350111B (en) | 1979-05-10 |
| JPS5660342U (en) | 1981-05-22 |
| DE2339806A1 (en) | 1975-02-27 |
| SE404745B (en) | 1978-10-23 |
| AU7208274A (en) | 1976-02-12 |
| ATA626974A (en) | 1978-10-15 |