BE816800A - Transcodeur pour modulation differentielle numerique de phase - Google Patents
Transcodeur pour modulation differentielle numerique de phaseInfo
- Publication number
- BE816800A BE816800A BE145828A BE145828A BE816800A BE 816800 A BE816800 A BE 816800A BE 145828 A BE145828 A BE 145828A BE 145828 A BE145828 A BE 145828A BE 816800 A BE816800 A BE 816800A
- Authority
- BE
- Belgium
- Prior art keywords
- transcoder
- phase modulation
- differential phase
- digital differential
- digital
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/18—Phase-modulated carrier systems, i.e. using phase-shift keying
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/18—Phase-modulated carrier systems, i.e. using phase-shift keying
- H04L27/20—Modulator circuits; Transmitter circuits
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7325850A FR2237369B1 (fr) | 1973-07-13 | 1973-07-13 |
Publications (1)
Publication Number | Publication Date |
---|---|
BE816800A true BE816800A (fr) | 1974-12-27 |
Family
ID=9122579
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE145828A BE816800A (fr) | 1973-07-13 | 1974-06-25 | Transcodeur pour modulation differentielle numerique de phase |
Country Status (10)
Country | Link |
---|---|
US (1) | US3941929A (fr) |
JP (1) | JPS5040064A (fr) |
BE (1) | BE816800A (fr) |
DE (1) | DE2433380A1 (fr) |
FR (1) | FR2237369B1 (fr) |
GB (1) | GB1472202A (fr) |
IT (1) | IT1022052B (fr) |
LU (1) | LU70483A1 (fr) |
NL (1) | NL7409356A (fr) |
SE (1) | SE388333B (fr) |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2977417A (en) * | 1958-08-18 | 1961-03-28 | Collins Radio Co | Minimum-shift data communication system |
FR2135855A5 (fr) * | 1971-04-30 | 1972-12-22 | Lannionnais Electronique | |
GB1370396A (en) * | 1971-04-30 | 1974-10-16 | Lannionnaise Delectronique Soc | Phase modulation equipment |
-
1973
- 1973-07-13 FR FR7325850A patent/FR2237369B1/fr not_active Expired
-
1974
- 1974-06-25 BE BE145828A patent/BE816800A/fr not_active IP Right Cessation
- 1974-06-28 IT IT24507/74A patent/IT1022052B/it active
- 1974-07-03 GB GB2954474A patent/GB1472202A/en not_active Expired
- 1974-07-08 SE SE7408939A patent/SE388333B/xx unknown
- 1974-07-08 LU LU70483A patent/LU70483A1/xx unknown
- 1974-07-10 NL NL7409356A patent/NL7409356A/xx not_active Application Discontinuation
- 1974-07-11 DE DE2433380A patent/DE2433380A1/de not_active Withdrawn
- 1974-07-12 JP JP49079290A patent/JPS5040064A/ja active Pending
- 1974-07-15 US US05/488,657 patent/US3941929A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
SE388333B (sv) | 1976-09-27 |
SE7408939L (sv) | 1975-01-14 |
DE2433380A1 (de) | 1975-02-20 |
IT1022052B (it) | 1978-03-20 |
JPS5040064A (fr) | 1975-04-12 |
LU70483A1 (fr) | 1975-03-27 |
FR2237369A1 (fr) | 1975-02-07 |
FR2237369B1 (fr) | 1976-11-12 |
US3941929A (en) | 1976-03-02 |
NL7409356A (nl) | 1975-01-15 |
GB1472202A (en) | 1977-05-04 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
RE | Patent lapsed |
Owner name: CIE INDUSTRIELLE DES TELECOMMUNICATIONS CIT-ALCAT Effective date: 19860630 |