BE723217A - - Google Patents
Info
- Publication number
- BE723217A BE723217A BE723217DA BE723217A BE 723217 A BE723217 A BE 723217A BE 723217D A BE723217D A BE 723217DA BE 723217 A BE723217 A BE 723217A
- Authority
- BE
- Belgium
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
- H04L25/4917—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
- H04L25/4919—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 balanced multilevel codes
Landscapes
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Dc Digital Transmission (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Communication Control (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US68689567A | 1967-11-30 | 1967-11-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE723217A true BE723217A (de) | 1969-04-01 |
Family
ID=24758176
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE723217D BE723217A (de) | 1967-11-30 | 1968-10-31 |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US3478350A (de) |
| AT (1) | AT308207B (de) |
| BE (1) | BE723217A (de) |
| CH (1) | CH487556A (de) |
| DE (1) | DE1809232B2 (de) |
| ES (1) | ES360042A1 (de) |
| FR (1) | FR1594726A (de) |
| GB (1) | GB1224190A (de) |
| NL (1) | NL6817195A (de) |
| SE (1) | SE342375B (de) |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3157745A (en) * | 1960-06-21 | 1964-11-17 | Nippon Electric Co | Band width comparison transmission system for recurring similar signals utilizing selective pulse indications |
| US3159720A (en) * | 1961-01-24 | 1964-12-01 | Telefonaktiebolaget L M Eriess | Telecommunication system |
| US3209263A (en) * | 1962-04-02 | 1965-09-28 | Philco Corp | Bandwidth changing means for electrical signals |
-
1967
- 1967-11-30 US US686895A patent/US3478350A/en not_active Expired - Lifetime
-
1968
- 1968-10-23 AT AT1034968A patent/AT308207B/de not_active IP Right Cessation
- 1968-10-29 FR FR1594726D patent/FR1594726A/fr not_active Expired
- 1968-10-30 GB GB51442/68A patent/GB1224190A/en not_active Expired
- 1968-10-31 BE BE723217D patent/BE723217A/xx unknown
- 1968-11-09 ES ES360042A patent/ES360042A1/es not_active Expired
- 1968-11-15 DE DE19681809232 patent/DE1809232B2/de not_active Withdrawn
- 1968-11-21 CH CH1728568A patent/CH487556A/de not_active IP Right Cessation
- 1968-11-29 NL NL6817195A patent/NL6817195A/xx not_active Application Discontinuation
- 1968-11-29 SE SE16305/68A patent/SE342375B/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| AT308207B (de) | 1973-06-25 |
| DE1809232B2 (de) | 1971-04-01 |
| GB1224190A (en) | 1971-03-03 |
| ES360042A1 (es) | 1970-06-16 |
| CH487556A (de) | 1970-03-15 |
| DE1809232A1 (de) | 1969-07-17 |
| NL6817195A (de) | 1969-06-03 |
| FR1594726A (de) | 1970-06-08 |
| US3478350A (en) | 1969-11-11 |
| SE342375B (de) | 1972-01-31 |