BE849174A - Appareil pour decoder un flux d'impulsions binaines, notamment dans un systeme de communication optique - Google Patents
Appareil pour decoder un flux d'impulsions binaines, notamment dans un systeme de communication optiqueInfo
- Publication number
- BE849174A BE849174A BE173055A BE173055A BE849174A BE 849174 A BE849174 A BE 849174A BE 173055 A BE173055 A BE 173055A BE 173055 A BE173055 A BE 173055A BE 849174 A BE849174 A BE 849174A
- Authority
- BE
- Belgium
- Prior art keywords
- binain
- decoding
- communication system
- optical communication
- pulse flow
- Prior art date
Links
- 230000003287 optical effect Effects 0.000 title 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/24—Testing correct operation
- H04L1/245—Testing correct operation by using the properties of transmission codes
- H04L1/247—Testing correct operation by using the properties of transmission codes three-level transmission codes, e.g. ternary
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L7/00—Arrangements for synchronising receiver with transmitter
- H04L7/04—Speed or phase control by synchronisation signals
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L7/00—Arrangements for synchronising receiver with transmitter
- H04L7/02—Speed or phase control by the received code signals, the signals containing no special synchronisation information
- H04L7/027—Speed or phase control by the received code signals, the signals containing no special synchronisation information extracting the synchronising or clock signal from the received signal spectrum, e.g. by using a resonant or bandpass circuit
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Dc Digital Transmission (AREA)
- Synchronisation In Digital Transmission Systems (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/639,374 US4006304A (en) | 1975-12-10 | 1975-12-10 | Apparatus for word synchronization in an optical communication system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE849174A true BE849174A (fr) | 1977-04-01 |
Family
ID=24563834
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE173055A BE849174A (fr) | 1975-12-10 | 1976-12-08 | Appareil pour decoder un flux d'impulsions binaines, notamment dans un systeme de communication optique |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US4006304A (fr) |
| JP (1) | JPS5272147A (fr) |
| BE (1) | BE849174A (fr) |
| CA (1) | CA1090476A (fr) |
| DE (1) | DE2656054C2 (fr) |
| FR (1) | FR2335103A1 (fr) |
| GB (1) | GB1545967A (fr) |
| IT (1) | IT1072202B (fr) |
| NL (1) | NL7613582A (fr) |
Families Citing this family (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE393012B (sv) * | 1976-04-15 | 1977-04-25 | Ericsson Telefon Ab L M | Optisk mottagare |
| US4117470A (en) * | 1976-10-08 | 1978-09-26 | Data General Corporation | Data bit compression system |
| FR2448262A1 (fr) * | 1979-01-30 | 1980-08-29 | Lyonnaise Transmiss Optiques | Procede de transmission serie d'informations binaires et dispositifs pour sa mise en oeuvre |
| DE2944459C2 (de) * | 1979-11-03 | 1984-04-26 | ANT Nachrichtentechnik GmbH, 7150 Backnang | Verfahren zum Übertragen von Bipolarsignalen mittels eines optischen Senders |
| US4317236A (en) * | 1980-02-25 | 1982-02-23 | Bell Telephone Laboratories, Incorporated | Laser digital transmitter |
| JPS56164653A (en) * | 1980-05-23 | 1981-12-17 | Nippon Telegr & Teleph Corp <Ntt> | Block synchronizing circuit for 1b2b code |
| DE3044620A1 (de) * | 1980-11-27 | 1982-07-08 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Digitales nachrichtenuebertragungssystem |
| NL8101666A (nl) * | 1981-04-03 | 1982-11-01 | Philips Nv | Systeem voor het wederzijds synchroniseren van twee aktieve deelinrichtingen. |
| DE3125017A1 (de) * | 1981-06-25 | 1983-01-05 | Siemens AG, 1000 Berlin und 8000 München | Verfahren zur signalisierung im zuge der uebertragung digitaler informationen zwischen digital arbeitenden einrichtungen |
| US4397042A (en) * | 1981-07-22 | 1983-08-02 | Sumitomo Electric Industries, Ltd. | Optical modulation/demodulation system |
| US4524462A (en) * | 1982-06-24 | 1985-06-18 | Italtel Societa Italiana Telecomunicazioni S.P.A. | System for jointly transmitting high-frequency and low-frequency digital signals over a fiber-optical carrier |
| JPS59135939A (ja) * | 1983-01-25 | 1984-08-04 | Canon Inc | 光通信方式 |
| FR2542531B1 (fr) * | 1983-03-09 | 1988-05-20 | Telephonie Ind Commerciale | Procede et dispositifs de transcodage d'informations binaires pour transmission multiplexe temporelle |
| JPS59211348A (ja) * | 1983-05-17 | 1984-11-30 | Nec Corp | デイジタル通信用回線切替方式 |
| US4516245A (en) * | 1983-06-22 | 1985-05-07 | Gte Automatic Electric Inc. | Digital span transmission circuit |
| US4654844A (en) * | 1984-09-04 | 1987-03-31 | United Technologies Corporation | Bi-directional coupler |
| DE3616276A1 (de) * | 1986-05-14 | 1987-11-19 | Wegner Helmut | Stoersicheres optisches uebertragungssystem fuer die studio- und heimstudiotechnik |
| JP2988300B2 (ja) * | 1995-01-27 | 1999-12-13 | 日本電気株式会社 | バイポーラクロック擾乱検出回路 |
| US5737366A (en) * | 1995-12-29 | 1998-04-07 | Lucent Technologies Inc. | Method and apparatus for receiving line encoded bursts of information |
| US5760941A (en) * | 1996-02-29 | 1998-06-02 | Rice University | System and method for performing optical code division multiple access communication using bipolar codes |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3648237A (en) * | 1969-02-28 | 1972-03-07 | Ibm | Apparatus and method for obtaining synchronization of a maximum length pseudorandom sequence |
| US3927401A (en) * | 1972-11-24 | 1975-12-16 | Gen Motors Corp | Method and apparatus for coding and decoding digital data |
| US3903504A (en) * | 1974-03-20 | 1975-09-02 | Singer Co | Binary phase digital decoding system |
| US4001578A (en) * | 1975-08-01 | 1977-01-04 | Bell Telephone Laboratories, Incorporated | Optical communication system with bipolar input signal |
-
1975
- 1975-12-10 US US05/639,374 patent/US4006304A/en not_active Expired - Lifetime
-
1976
- 1976-11-09 CA CA265,249A patent/CA1090476A/fr not_active Expired
- 1976-11-24 GB GB49069/76A patent/GB1545967A/en not_active Expired
- 1976-12-06 FR FR7636661A patent/FR2335103A1/fr active Granted
- 1976-12-07 NL NL7613582A patent/NL7613582A/xx not_active Application Discontinuation
- 1976-12-08 BE BE173055A patent/BE849174A/fr not_active IP Right Cessation
- 1976-12-09 IT IT69940/76A patent/IT1072202B/it active
- 1976-12-09 JP JP51147228A patent/JPS5272147A/ja active Pending
- 1976-12-10 DE DE2656054A patent/DE2656054C2/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE2656054C2 (de) | 1985-09-12 |
| IT1072202B (it) | 1985-04-10 |
| JPS5272147A (en) | 1977-06-16 |
| GB1545967A (en) | 1979-05-16 |
| CA1090476A (fr) | 1980-11-25 |
| FR2335103B1 (fr) | 1982-01-22 |
| NL7613582A (nl) | 1977-06-14 |
| US4006304A (en) | 1977-02-01 |
| DE2656054A1 (de) | 1977-06-23 |
| FR2335103A1 (fr) | 1977-07-08 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| RE | Patent lapsed |
Owner name: WESTERN ELECTRIC CY INC. Effective date: 19861231 |