NL156288B - Codeer- en decodeerstelsel. - Google Patents
Codeer- en decodeerstelsel.Info
- Publication number
- NL156288B NL156288B NL7213636A NL7213636A NL156288B NL 156288 B NL156288 B NL 156288B NL 7213636 A NL7213636 A NL 7213636A NL 7213636 A NL7213636 A NL 7213636A NL 156288 B NL156288 B NL 156288B
- Authority
- NL
- Netherlands
- Prior art keywords
- coding
- decoding scheme
- decoding
- scheme
- Prior art date
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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L25/00—Baseband systems
- H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
- H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
- H04L25/03828—Arrangements for spectral shaping; Arrangements for providing signals with specified spectral properties
- H04L25/03834—Arrangements for spectral shaping; Arrangements for providing signals with specified spectral properties using pulse shaping
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/41—Bandwidth or redundancy reduction
- H04N1/411—Bandwidth or redundancy reduction for the transmission or storage or reproduction of two-tone pictures, e.g. black and white pictures
- H04N1/413—Systems or arrangements allowing the picture to be reproduced without loss or modification of picture-information
- H04N1/4135—Systems or arrangements allowing the picture to be reproduced without loss or modification of picture-information in which a baseband signal showing more than two values or a continuously varying baseband signal is transmitted or recorded
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Computer Networks & Wireless Communication (AREA)
- Multimedia (AREA)
- Power Engineering (AREA)
- Dc Digital Transmission (AREA)
- Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7136797A FR2161744B1 (nl) | 1971-10-13 | 1971-10-13 |
Publications (2)
Publication Number | Publication Date |
---|---|
NL7213636A NL7213636A (nl) | 1973-04-17 |
NL156288B true NL156288B (nl) | 1978-03-15 |
Family
ID=9084310
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL7213636A NL156288B (nl) | 1971-10-13 | 1972-10-09 | Codeer- en decodeerstelsel. |
Country Status (9)
Country | Link |
---|---|
BE (1) | BE789644A (nl) |
CA (1) | CA971666A (nl) |
DE (1) | DE2249819C2 (nl) |
FR (1) | FR2161744B1 (nl) |
GB (1) | GB1357837A (nl) |
IT (1) | IT975237B (nl) |
LU (1) | LU66254A1 (nl) |
NL (1) | NL156288B (nl) |
SE (1) | SE387498B (nl) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2250898A (en) * | 1990-12-12 | 1992-06-17 | Stc Plc | Line coding scheme. |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3337863A (en) * | 1964-01-17 | 1967-08-22 | Automatic Elect Lab | Polybinary techniques |
US3459892A (en) * | 1965-09-14 | 1969-08-05 | Bendix Corp | Digital data transmission system wherein a binary level is represented by a change in the amplitude of the transmitted signal |
GB1250492A (nl) * | 1967-07-27 | 1971-10-20 |
-
0
- BE BE789644D patent/BE789644A/xx not_active IP Right Cessation
-
1971
- 1971-10-13 FR FR7136797A patent/FR2161744B1/fr not_active Expired
-
1972
- 1972-10-09 LU LU66254D patent/LU66254A1/xx unknown
- 1972-10-09 NL NL7213636A patent/NL156288B/nl not_active IP Right Cessation
- 1972-10-10 SE SE1305272A patent/SE387498B/xx unknown
- 1972-10-11 DE DE19722249819 patent/DE2249819C2/de not_active Expired
- 1972-10-12 IT IT7021272A patent/IT975237B/it active
- 1972-10-12 CA CA154,147A patent/CA971666A/en not_active Expired
- 1972-10-13 GB GB4734272A patent/GB1357837A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
BE789644A (fr) | 1973-04-04 |
FR2161744B1 (nl) | 1977-08-05 |
SE387498B (sv) | 1976-09-06 |
CA971666A (en) | 1975-07-22 |
IT975237B (it) | 1974-07-20 |
LU66254A1 (nl) | 1973-04-13 |
FR2161744A1 (nl) | 1973-07-13 |
NL7213636A (nl) | 1973-04-17 |
GB1357837A (en) | 1974-06-26 |
DE2249819A1 (de) | 1973-04-19 |
DE2249819C2 (de) | 1982-09-16 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
V1 | Lapsed because of non-payment of the annual fee | ||
NL80 | Abbreviated name of patent owner mentioned of already nullified patent |
Owner name: CITALCATEL |