FR2411444A1 - Dispositif de detection d'informations - Google Patents
Dispositif de detection d'informationsInfo
- Publication number
- FR2411444A1 FR2411444A1 FR7737290A FR7737290A FR2411444A1 FR 2411444 A1 FR2411444 A1 FR 2411444A1 FR 7737290 A FR7737290 A FR 7737290A FR 7737290 A FR7737290 A FR 7737290A FR 2411444 A1 FR2411444 A1 FR 2411444A1
- Authority
- FR
- France
- Prior art keywords
- detection device
- integration
- integrator
- capacitive
- information detection
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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
- H04L25/4904—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 self-synchronising codes, e.g. split-phase codes
-
- 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
- G11B20/1407—Digital recording or reproducing using self-clocking codes characterised by the use of two levels code representation depending on a single bit, i.e. where a one is always represented by a first code symbol while a zero is always represented by a second code symbol
- G11B20/1419—Digital recording or reproducing using self-clocking codes characterised by the use of two levels code representation depending on a single bit, i.e. where a one is always represented by a first code symbol while a zero is always represented by a second code symbol to or from biphase level coding, i.e. to or from codes where a one is coded as a transition from a high to a low level during the middle of a bit cell and a zero is encoded as a transition from a low to a high level during the middle of a bit cell or vice versa, e.g. split phase code, Manchester code conversion to or from biphase space or mark coding, i.e. to or from codes where there is a transition at the beginning of every bit cell and a one has no second transition and a zero has a second transition one half of a bit period later or vice versa, e.g. double frequency code, FM code
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing For Digital Recording And Reproducing (AREA)
- Dc Digital Transmission (AREA)
- Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
- Manipulation Of Pulses (AREA)
- Measurement Of Resistance Or Impedance (AREA)
- Measurement Of Current Or Voltage (AREA)
Abstract
DISPOSITIF DE DETECTION D'INFORMATIONS COMPRENANT UN CIRCUIT D'HORLOGE, UN DISPOSITIF DE TRANSPOSITION DE NIVEAU, UN DISPOSITIF D'INTEGRATION ET UN CIRCUIT DE DECISION. SELON L'INVENTION LE DISPOSITIF DE DETECTION EST CARACTERISE EN CE QUE LE DISPOSITIF D'INTEGRATION COMPREND AU MOINS UN INTEGRATEUR QUI COMPORTE UN ELEMENT D'INTEGRATION CAPACITIF, UN DISPOSITIF DE COMMANDE DE L'INTEGRATEUR RECEVANT LE SIGNAL DEI ET COMMANDANT LE SENS DU COURANT DE CHARGE DE L'ELEMENT CAPACITIF ET LE TEMPS PENDANT LEQUEL IL Y CIRCULE, UN CIRCUIT POUR REMETTRE A ZERO L'INTEGRATEUR ET UN GENERATEUR FOURNISSANT A L'ELEMENT D'INTEGRATION CAPACITIF UN COURANT DE CHARGE PROPORTIONNEL A LA FREQUENCE F. APPLICABLE AUX PERIPHERIQUES MAGNETIQUES DE SYSTEME DE TRAITEMENT DE L'INFORMATION.
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7737290A FR2411444A1 (fr) | 1977-12-12 | 1977-12-12 | Dispositif de detection d'informations |
US05/964,724 US4281291A (en) | 1977-12-12 | 1978-11-29 | Arrangement for detecting the binary values of bit cells having center transitions subject to phase distortion |
IT30568/78A IT1160308B (it) | 1977-12-12 | 1978-12-06 | Dispositivo di rivelazione di informazioni |
NL7811991A NL7811991A (nl) | 1977-12-12 | 1978-12-08 | Inrichting voor het detecteren van informatie. |
GB7848155A GB2014400B (en) | 1977-12-12 | 1978-12-12 | Arrangement for detecting data |
DE19782853617 DE2853617A1 (de) | 1977-12-12 | 1978-12-12 | Einrichtung zum abtasten einer signalfolge |
JP15277578A JPS5489712A (en) | 1977-12-12 | 1978-12-12 | Data detector |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7737290A FR2411444A1 (fr) | 1977-12-12 | 1977-12-12 | Dispositif de detection d'informations |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2411444A1 true FR2411444A1 (fr) | 1979-07-06 |
FR2411444B1 FR2411444B1 (fr) | 1980-10-31 |
Family
ID=9198715
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7737290A Granted FR2411444A1 (fr) | 1977-12-12 | 1977-12-12 | Dispositif de detection d'informations |
Country Status (7)
Country | Link |
---|---|
US (1) | US4281291A (fr) |
JP (1) | JPS5489712A (fr) |
DE (1) | DE2853617A1 (fr) |
FR (1) | FR2411444A1 (fr) |
GB (1) | GB2014400B (fr) |
IT (1) | IT1160308B (fr) |
NL (1) | NL7811991A (fr) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6042964A (ja) * | 1983-08-19 | 1985-03-07 | Futaba Corp | 符号再生装置 |
DE3533454A1 (de) * | 1985-09-19 | 1987-03-26 | Tandberg Data | Verfahren und anordnung zur aufzeichnung und wiedergabe von daten |
US6504750B1 (en) * | 2001-08-27 | 2003-01-07 | Micron Technology, Inc. | Resistive memory element sensing using averaging |
US6826102B2 (en) * | 2002-05-16 | 2004-11-30 | Micron Technology, Inc. | Noise resistant small signal sensing circuit for a memory device |
US6813208B2 (en) * | 2002-07-09 | 2004-11-02 | Micron Technology, Inc. | System and method for sensing data stored in a resistive memory element using one bit of a digital count |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3699554A (en) * | 1970-07-02 | 1972-10-17 | Honeywell Inf Systems | Method and apparatus for detecting binary data by integrated signal polarity comparison |
US3744023A (en) * | 1971-05-17 | 1973-07-03 | Storage Technology Corp | Detection and correction of phase encoded data |
US3818501A (en) * | 1971-11-11 | 1974-06-18 | Ibm | Detection of digital data using integration techniques |
US3864583A (en) * | 1971-11-11 | 1975-02-04 | Ibm | Detection of digital data using integration techniques |
US3789207A (en) * | 1972-09-22 | 1974-01-29 | Honeywell Inf Systems | Integrating circuit for data recovery system |
US3877027A (en) * | 1974-01-23 | 1975-04-08 | Ibm | Data demodulation employing integration techniques |
FR2408891A1 (fr) * | 1977-11-14 | 1979-06-08 | Cii Honeywell Bull | Dispositif d'integration d'une suite de signaux electriques |
-
1977
- 1977-12-12 FR FR7737290A patent/FR2411444A1/fr active Granted
-
1978
- 1978-11-29 US US05/964,724 patent/US4281291A/en not_active Expired - Lifetime
- 1978-12-06 IT IT30568/78A patent/IT1160308B/it active
- 1978-12-08 NL NL7811991A patent/NL7811991A/xx not_active Application Discontinuation
- 1978-12-12 GB GB7848155A patent/GB2014400B/en not_active Expired
- 1978-12-12 JP JP15277578A patent/JPS5489712A/ja active Granted
- 1978-12-12 DE DE19782853617 patent/DE2853617A1/de active Granted
Also Published As
Publication number | Publication date |
---|---|
FR2411444B1 (fr) | 1980-10-31 |
NL7811991A (nl) | 1979-06-14 |
JPH0118513B2 (fr) | 1989-04-06 |
IT7830568A0 (it) | 1978-12-06 |
DE2853617A1 (de) | 1979-06-13 |
IT1160308B (it) | 1987-03-11 |
DE2853617C2 (fr) | 1989-03-23 |
JPS5489712A (en) | 1979-07-17 |
GB2014400B (en) | 1982-05-12 |
US4281291A (en) | 1981-07-28 |
GB2014400A (en) | 1979-08-22 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
FR2452738A1 (fr) | Dispositif et procede de transfert automatique pour unites de commande a variables multiples | |
JPS55157756A (en) | Surface potential control unit | |
DK449182A (da) | Apparat til kontrol af gyldigheden af moenter | |
FR2448185A1 (fr) | Dispositif de commande de puissance pour element chauffant | |
JPS5337025A (en) | Stabilizing method for electrostatic latent | |
FR2427218A1 (fr) | Systeme de commande electronique pour vehicules comprenant un systeme d'entrainement principal et un systeme d'entrainement auxiliaire conjugues a des roues porteuses differentes | |
FR2376466A1 (fr) | Rythmeur d'intervalles pour systeme d'entrees/sorties | |
FR2284037A1 (fr) | Procede et dispositif de commande d'un injecteur electromagnetique | |
FR2415388A1 (fr) | Detection a un niveau variable par circuit de transformation de signal alternatif en continu, notamment pour la detection de dechirures d'une bande transporteuse | |
FR2278123A1 (fr) | Procede de controle pour la verification de l'etat de fonctionnement d'un taximetre electronique | |
FR2354787A1 (fr) | Fixation de securite pour ski | |
JPS5754962A (en) | Development device | |
FR2411444A1 (fr) | Dispositif de detection d'informations | |
JPS5722400A (en) | Controlling device for magnetic clutch mounted on vehicle | |
FR2349898A1 (fr) | Dispositif accelerateur electronique pour l'affichage de signaux | |
BE866251A (fr) | Dispositif de verification pour l'indication d'une tension electrique et/ou sa polarite, et du passage d'un courant | |
FR2363147A1 (fr) | Regulation de tension dans un systeme de commande electronique d'un moteur comprenant un dispositif de commande numerique executant | |
BE854668A (fr) | Procede et dispositif de developpement d'une image latente electrostatique | |
FR2408891A1 (fr) | Dispositif d'integration d'une suite de signaux electriques | |
JPS57179657A (en) | Inspecting device for acoustic emission | |
ES8101824A1 (es) | Un dispositivo de transferencia de cargas | |
FR2454637A1 (fr) | Dispositif de commande d'exposition utilisable avec un appareil photographique a commande de flash electronique | |
FR2350629A1 (fr) | Procede et dispositif de developpement d'une image latente electrostatique | |
JPS5688142A (en) | Image density control device | |
JPS5365790A (en) | Coin selector |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |