FR1582706A - - Google Patents

Info

Publication number
FR1582706A
FR1582706A FR1582706DA FR1582706A FR 1582706 A FR1582706 A FR 1582706A FR 1582706D A FR1582706D A FR 1582706DA FR 1582706 A FR1582706 A FR 1582706A
Authority
FR
France
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.)
Expired
Application number
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 filed Critical
Application granted granted Critical
Publication of FR1582706A publication Critical patent/FR1582706A/fr
Expired legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10Digital recording or reproducing
    • G11B20/10009Improvement or modification of read or write signals

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Digital Magnetic Recording (AREA)
FR1582706D 1967-09-18 1968-09-18 Expired FR1582706A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US66852967A 1967-09-18 1967-09-18

Publications (1)

Publication Number Publication Date
FR1582706A true FR1582706A (fr) 1969-10-03

Family

ID=24682675

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1582706D Expired FR1582706A (fr) 1967-09-18 1968-09-18

Country Status (6)

Country Link
US (1) US3581297A (fr)
BE (1) BE720994A (fr)
DE (1) DE1774835C3 (fr)
FR (1) FR1582706A (fr)
GB (1) GB1242724A (fr)
NL (1) NL157125B (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2548425A1 (fr) * 1983-06-30 1985-01-04 Lepage Joseph Appareil de certification de bandes magnetiques

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3711843A (en) * 1970-04-27 1973-01-16 Olivetti & Co Spa Self-adapting synchronization system for reading information from a moving support
US3778790A (en) * 1970-12-07 1973-12-11 Micromedic Systems Inc Incremental recordation on test tube
US3818501A (en) * 1971-11-11 1974-06-18 Ibm Detection of digital data using integration techniques
US3731293A (en) * 1972-04-05 1973-05-01 Pitney Bowes Inc Automatic phase switching of phase-coded recordings
US3810232A (en) * 1972-10-18 1974-05-07 Singer Co Magnetic memory read system for digital recordings
US3947876A (en) * 1975-01-06 1976-03-30 C. J. Kennedy Company Dual density 800 bpi NRZI and 1600 bpi PE read circuit for a digital magnetic tape transport
US4012785A (en) * 1976-02-13 1977-03-15 Shugart Associates, Inc. Magnetic recording playback circuit
IT1072341B (it) * 1976-05-20 1985-04-10 Olivetti & Co Spa Circuito e metodo per la discriminazione in lettura di dati preregistrati con codici diversi
US4074325A (en) * 1977-02-22 1978-02-14 Teac Corporation System for sensing the peaks of an output from a magnetic head
JPS6343625Y2 (fr) * 1979-06-06 1988-11-14
JPS563421A (en) * 1979-06-21 1981-01-14 Canon Inc Signal converting device
US4306194A (en) * 1979-10-11 1981-12-15 International Business Machines Corporation Data signal detection circuit
US4382249A (en) * 1980-12-22 1983-05-03 Honeywell Information Systems Inc. Apparatus and method for decoding information
US4346411A (en) * 1981-02-17 1982-08-24 International Business Machines Corporation Amplitude sensitive three-level detector for derivative read back channel of magnetic storage device
JPS57176866A (en) * 1981-04-24 1982-10-30 Sony Corp Encoder of binary signal
EP0110105B1 (fr) * 1982-12-01 1987-03-18 International Business Machines Corporation Systèmes pour la lecture d'enregistrements magnétiques
US4536740A (en) * 1984-02-24 1985-08-20 Magnetic Peripherals Doublet detector for data recording or transmission
US5204513A (en) * 1990-10-02 1993-04-20 American Magnetics Corporation Decoder for magnetic stripe recording

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2972735A (en) * 1955-05-04 1961-02-21 Lab For Electronics Inc Data processing
US3092814A (en) * 1956-08-29 1963-06-04 Ibm Signal decoding system
US3413625A (en) * 1965-09-28 1968-11-26 Siemens Ag Apparatus for evaluating magnetic read signals

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2548425A1 (fr) * 1983-06-30 1985-01-04 Lepage Joseph Appareil de certification de bandes magnetiques

Also Published As

Publication number Publication date
NL157125B (nl) 1978-06-15
BE720994A (fr) 1969-03-03
DE1774835B2 (de) 1973-09-20
NL6813349A (fr) 1969-03-20
GB1242724A (en) 1971-08-11
US3581297A (en) 1971-05-25
DE1774835A1 (de) 1972-03-23
DE1774835C3 (de) 1974-04-25

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Legal Events

Date Code Title Description
ST Notification of lapse