IT649837A - - Google Patents
Info
- Publication number
- IT649837A IT649837A IT649837DA IT649837A IT 649837 A IT649837 A IT 649837A IT 649837D A IT649837D A IT 649837DA IT 649837 A IT649837 A IT 649837A
- Authority
- IT
- Italy
Links
Classifications
-
- 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
- H04L25/497—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 by correlative coding, e.g. partial response coding or echo modulation coding transmitters and receivers for partial response systems
Landscapes
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR06008412A FR1533919A (fr) | 1967-03-07 | 1967-03-07 | Système et procédé de correction de la dérive en fréquence d'un signal |
| FR06008411A FR1533918A (fr) | 1967-03-07 | 1967-03-07 | Système et procédé de correction de la dérive en fréquence d'un signal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| IT649837A true IT649837A (cs) |
Family
ID=33133114
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IT649837D IT649837A (cs) | 1967-03-07 |
Country Status (3)
| Country | Link |
|---|---|
| DE (1) | DE1290564B (cs) |
| FR (2) | FR1533918A (cs) |
| IT (1) | IT649837A (cs) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4710891A (en) * | 1983-07-27 | 1987-12-01 | American Telephone And Telegraph Company, At&T Bell Laboratories | Digital synthesis technique for pulses having predetermined time and frequency domain characteristics |
-
0
- IT IT649837D patent/IT649837A/it unknown
-
1967
- 1967-03-07 FR FR06008411A patent/FR1533918A/fr not_active Expired
- 1967-03-07 FR FR06008412A patent/FR1533919A/fr not_active Expired
-
1968
- 1968-02-28 DE DE1968J0035796 patent/DE1290564B/de not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| DE1290564B (de) | 1969-03-13 |
| FR1533918A (fr) | 1968-07-26 |
| FR1533919A (fr) | 1968-12-06 |