IT8309484A0 - Dispositivo per rilevare errori in un flusso di dati digitali codificati in un codice a doppia densita' - Google Patents
Dispositivo per rilevare errori in un flusso di dati digitali codificati in un codice a doppia densita'Info
- Publication number
- IT8309484A0 IT8309484A0 IT8309484A IT948483A IT8309484A0 IT 8309484 A0 IT8309484 A0 IT 8309484A0 IT 8309484 A IT8309484 A IT 8309484A IT 948483 A IT948483 A IT 948483A IT 8309484 A0 IT8309484 A0 IT 8309484A0
- Authority
- IT
- Italy
- Prior art keywords
- stream
- digital data
- data coded
- detecting errors
- double density
- Prior art date
Links
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
- H04L1/246—Testing correct operation by using the properties of transmission codes two-level transmission codes, e.g. binary
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/10—Digital recording or reproducing
- G11B20/14—Digital recording or reproducing using self-clocking codes
- G11B20/1403—Digital recording or reproducing using self-clocking codes characterised by the use of two levels
- G11B20/1423—Code representation depending on subsequent bits, e.g. delay modulation, double density code, Miller code
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/415,695 US4502142A (en) | 1982-09-07 | 1982-09-07 | Apparatus for detecting errors in a digital data stream encoded in a double density code |
Publications (2)
Publication Number | Publication Date |
---|---|
IT8309484A0 true IT8309484A0 (it) | 1983-07-26 |
IT1198653B IT1198653B (it) | 1988-12-21 |
Family
ID=23646790
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT1983A09484A IT8309484A1 (it) | 1982-09-07 | 1983-07-26 | Dispositivo per rilevare in un flusso di dati digitali codificati in un codice a doppia densita' |
IT09484/83A IT1198653B (it) | 1982-09-07 | 1983-07-26 | Dispositivo per rilevare errori in un flusso di dati digitali codificati in un codice a doppia densita' |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT1983A09484A IT8309484A1 (it) | 1982-09-07 | 1983-07-26 | Dispositivo per rilevare in un flusso di dati digitali codificati in un codice a doppia densita' |
Country Status (9)
Country | Link |
---|---|
US (1) | US4502142A (it) |
BE (1) | BE897202A (it) |
CH (1) | CH655626B (it) |
DE (1) | DE3327250A1 (it) |
ES (1) | ES8405216A1 (it) |
FR (1) | FR2532772A1 (it) |
GB (1) | GB2126849B (it) |
IT (2) | IT8309484A1 (it) |
NL (1) | NL8302446A (it) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4712217A (en) * | 1985-12-20 | 1987-12-08 | Network Equipment Technologies | System for transmitting digital information and maintaining a minimum paulse density |
US4853931A (en) * | 1988-04-15 | 1989-08-01 | Siemens Transmission Systems, Inc. | Violating All Zero Octet (VAZO) detector for a zero byte time slot interchange (ZBTSI) encoder |
FR2676320B1 (fr) * | 1991-05-07 | 1994-04-29 | Sextant Avionique | Procede et dispositif de detection et de controle du gabarit de messages numeriques transmis a un dispositif de reception. |
US5390195A (en) * | 1992-04-03 | 1995-02-14 | Ampex Corporation | Miller-squared decoder with erasure flag output |
DE10244066A1 (de) * | 2002-09-06 | 2004-03-18 | Volkswagen Ag | Verfahren und Vorrichtung zur schnellen Erkennung von Übertragungsfehlern |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB971359A (it) * | 1962-07-02 | |||
US3156893A (en) * | 1962-08-17 | 1964-11-10 | Rca Corp | Self-referenced digital pm receiving system |
US3405235A (en) * | 1963-03-12 | 1968-10-08 | Post Office | Systems for transmitting code pulses having low cumulative displarity |
US3524164A (en) * | 1968-01-15 | 1970-08-11 | Ibm | Detection and error checking system for binary data |
US3744023A (en) * | 1971-05-17 | 1973-07-03 | Storage Technology Corp | Detection and correction of phase encoded data |
US4027267A (en) * | 1976-06-01 | 1977-05-31 | International Business Machines Corporation | Method of decoding data content of F2F and phase shift encoded data streams |
US4122441A (en) * | 1977-10-05 | 1978-10-24 | Lockheed Electronics Company, Inc. | Error detection and indication system for bi-phase encoded digital data |
FR2432246A1 (fr) * | 1978-07-26 | 1980-02-22 | Cit Alcatel | Procede et circuit de decodage d'un signal binaire code en cmi |
US4309694A (en) * | 1980-03-27 | 1982-01-05 | Bell Telephone Laboratories, Incorporated | Zero disparity coding system |
-
1982
- 1982-09-07 US US06/415,695 patent/US4502142A/en not_active Expired - Fee Related
-
1983
- 1983-07-01 GB GB08317916A patent/GB2126849B/en not_active Expired
- 1983-07-01 BE BE0/211112A patent/BE897202A/fr not_active IP Right Cessation
- 1983-07-05 ES ES523862A patent/ES8405216A1/es not_active Expired
- 1983-07-08 NL NL8302446A patent/NL8302446A/nl not_active Application Discontinuation
- 1983-07-20 FR FR8311990A patent/FR2532772A1/fr active Granted
- 1983-07-25 CH CH405683A patent/CH655626B/fr unknown
- 1983-07-26 IT IT1983A09484A patent/IT8309484A1/it unknown
- 1983-07-26 IT IT09484/83A patent/IT1198653B/it active
- 1983-07-28 DE DE19833327250 patent/DE3327250A1/de not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
DE3327250A1 (de) | 1984-03-08 |
FR2532772A1 (fr) | 1984-03-09 |
FR2532772B3 (it) | 1985-02-15 |
GB2126849B (en) | 1986-02-05 |
BE897202A (fr) | 1983-11-03 |
IT1198653B (it) | 1988-12-21 |
CH655626B (it) | 1986-04-30 |
US4502142A (en) | 1985-02-26 |
GB8317916D0 (en) | 1983-08-03 |
ES523862A0 (es) | 1984-05-16 |
GB2126849A (en) | 1984-03-28 |
IT8309484A1 (it) | 1985-01-26 |
ES8405216A1 (es) | 1984-05-16 |
NL8302446A (nl) | 1984-04-02 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
FR2515900B1 (fr) | Procede et appareil de codage et de decodage d'un signal d'information numerique binaire | |
BE852627A (fr) | Codage sans composante continue pour un ensemble de traitement de l'information | |
IT1179928B (it) | Codice a barre a reticolo e procedimento ed apparato per la sua lettura | |
DE3751529D1 (de) | System zum Kodieren eines Bewegtbildsignals. | |
DE3686754T2 (de) | Bilddatenkodierverfahren. | |
JPS56149152A (en) | Data encoding method and device using 2/3 code rate with full word preceding | |
GB2102250B (en) | Coded information arrangements | |
DE3582314D1 (de) | Hochleistungsfaehige technik zur kodierung eines digitalen videosignals. | |
ATA167084A (de) | Verfahren zum kodieren eines digitalen informationssignals | |
DE69125329T2 (de) | Kodiervorrichtung für digitale Bilddaten | |
DK151658C (da) | Anlaeg til transmission af digital information, samt kodningsarrangement, dekodningsarrangement og registreringsbaerer til brug i et saadant anlaeg | |
FR2482815B1 (fr) | Dispositif de codage et de decodage de signaux d'image et de son | |
EP0180403A3 (en) | Apparatus and method for encoding and decoding a binary data stream | |
EP0119319A3 (en) | Sort mechanism for stored digital data | |
FR2561424B1 (fr) | Appareil de positionnement du lecteur d'un appareil de lecture de donnees | |
BE895370A (fr) | Dispositif pour convertir un mouvement rotatif en un mouvement lineaire | |
FR2525788B1 (fr) | Procede et appareil de lecture d'une etiquette a code a barres | |
IT7924687A0 (it) | Circuito per l'accertamento di errori in segnali digitali. | |
IT8309484A0 (it) | Dispositivo per rilevare errori in un flusso di dati digitali codificati in un codice a doppia densita' | |
IT1190870B (it) | Dispositivo di trasduzione a magnetoresistenza,per la lettura di informazioni in codice a bassa densita' | |
IT1150074B (it) | Metodo ed apparato per la codificazione e la decodificazione di informazioni digitali | |
MX154936A (es) | Mejoras en dispositivo comparador de senales de datos en un aparato de inspeccion de envases | |
EP0122083A3 (en) | Method and apparatus for encoding a binary data stream into a binary code stream | |
IT8124191A0 (it) | Circuito d'aggancio a inversione per l'elaborazione di un segnale di dati. | |
FR2514969B1 (fr) | Dispositif de codage d'un train de caracteres avec compression de l'information |