IT1160308B - Dispositivo di rivelazione di informazioni - Google Patents

Dispositivo di rivelazione di informazioni

Info

Publication number
IT1160308B
IT1160308B IT30568/78A IT3056878A IT1160308B IT 1160308 B IT1160308 B IT 1160308B IT 30568/78 A IT30568/78 A IT 30568/78A IT 3056878 A IT3056878 A IT 3056878A IT 1160308 B IT1160308 B IT 1160308B
Authority
IT
Italy
Prior art keywords
information disclosure
disclosure device
information
disclosure
Prior art date
Application number
IT30568/78A
Other languages
English (en)
Italian (it)
Other versions
IT7830568A0 (it
Original Assignee
Cii Honeywell Bull
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Cii Honeywell Bull filed Critical Cii Honeywell Bull
Publication of IT7830568A0 publication Critical patent/IT7830568A0/it
Application granted granted Critical
Publication of IT1160308B publication Critical patent/IT1160308B/it

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)
  • Measurement Of Resistance Or Impedance (AREA)
  • Measurement Of Current Or Voltage (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
  • Manipulation Of Pulses (AREA)
IT30568/78A 1977-12-12 1978-12-06 Dispositivo di rivelazione di informazioni IT1160308B (it)

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
IT7830568A0 IT7830568A0 (it) 1978-12-06
IT1160308B true IT1160308B (it) 1987-03-11

Family

ID=9198715

Family Applications (1)

Application Number Title Priority Date Filing Date
IT30568/78A IT1160308B (it) 1977-12-12 1978-12-06 Dispositivo di rivelazione di informazioni

Country Status (7)

Country Link
US (1) US4281291A (OSRAM)
JP (1) JPS5489712A (OSRAM)
DE (1) DE2853617A1 (OSRAM)
FR (1) FR2411444A1 (OSRAM)
GB (1) GB2014400B (OSRAM)
IT (1) IT1160308B (OSRAM)
NL (1) NL7811991A (OSRAM)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

Also Published As

Publication number Publication date
US4281291A (en) 1981-07-28
IT7830568A0 (it) 1978-12-06
GB2014400B (en) 1982-05-12
GB2014400A (en) 1979-08-22
NL7811991A (nl) 1979-06-14
FR2411444B1 (OSRAM) 1980-10-31
FR2411444A1 (fr) 1979-07-06
DE2853617A1 (de) 1979-06-13
JPS5489712A (en) 1979-07-17
JPH0118513B2 (OSRAM) 1989-04-06
DE2853617C2 (OSRAM) 1989-03-23

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Legal Events

Date Code Title Description
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19931220