CH422870A - Schreib- und Leseeinrichtung für phasenmodulierte Signale in einer Informationsspeicheranlage - Google Patents

Schreib- und Leseeinrichtung für phasenmodulierte Signale in einer Informationsspeicheranlage

Info

Publication number
CH422870A
CH422870A CH340062A CH340062A CH422870A CH 422870 A CH422870 A CH 422870A CH 340062 A CH340062 A CH 340062A CH 340062 A CH340062 A CH 340062A CH 422870 A CH422870 A CH 422870A
Authority
CH
Switzerland
Prior art keywords
writing
phase
information storage
storage system
reading device
Prior art date
Application number
CH340062A
Other languages
English (en)
Inventor
Joseph Magotteaux Desi Camille
Original Assignee
Standard Telephon & Radio Ag
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 Standard Telephon & Radio Ag filed Critical Standard Telephon & Radio Ag
Publication of CH422870A publication Critical patent/CH422870A/de

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L13/00—Details of the apparatus or circuits covered by groups H04L15/00 or H04L17/00
    • H04L13/02—Details not particular to receiver or transmitter
    • H04L13/08—Intermediate storage means
    • 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)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
CH340062A 1961-03-24 1962-03-22 Schreib- und Leseeinrichtung für phasenmodulierte Signale in einer Informationsspeicheranlage CH422870A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL262775 1961-03-24

Publications (1)

Publication Number Publication Date
CH422870A true CH422870A (de) 1966-10-31

Family

ID=19752944

Family Applications (1)

Application Number Title Priority Date Filing Date
CH340062A CH422870A (de) 1961-03-24 1962-03-22 Schreib- und Leseeinrichtung für phasenmodulierte Signale in einer Informationsspeicheranlage

Country Status (4)

Country Link
US (1) US3202975A (de)
BE (1) BE615457A (de)
CH (1) CH422870A (de)
NL (1) NL262775A (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4583359A (en) * 1983-11-25 1986-04-22 Octanorm-Vertriebs-Gesellschaft Mit Beschrankter Haftung Fur Bauelemente Profile tubes for the production of readily assembled and dismantled structures

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3688286A (en) * 1970-04-06 1972-08-29 Novar Corp Digital data recording and reproducing system
US4100541A (en) * 1976-07-26 1978-07-11 The United States Of America As Represented By The Secretary Of The Navy High speed manchester encoder
US7515646B2 (en) * 2004-02-05 2009-04-07 Lexmark International, Inc. Method and apparatus for reducing EMI emissions for data signals traveling over a data pathway

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2927305A (en) * 1951-05-23 1960-03-01 Timing equipment
NL104332C (de) * 1953-04-20
US2764463A (en) * 1953-05-26 1956-09-25 Underwood Corp Magnetic recording system
US2882518A (en) * 1956-02-13 1959-04-14 Bell Telephone Labor Inc Magnetic storage circuit

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4583359A (en) * 1983-11-25 1986-04-22 Octanorm-Vertriebs-Gesellschaft Mit Beschrankter Haftung Fur Bauelemente Profile tubes for the production of readily assembled and dismantled structures

Also Published As

Publication number Publication date
US3202975A (en) 1965-08-24
NL262775A (de)
BE615457A (nl) 1962-09-24

Similar Documents

Publication Publication Date Title
CH414745A (de) Informations-Speichervorrichtung
DK105673C (da) Magneto-optisk dataaflæsningsapparat.
CH364527A (fr) Dispositif magnétique d'emmagasinage d'informations
CH377407A (de) Leseverfahren für magnetisch aufgezeichnete binäre Informationen
CH385501A (de) Registriergerät mit Schreiborgan
CH422870A (de) Schreib- und Leseeinrichtung für phasenmodulierte Signale in einer Informationsspeicheranlage
NL160961C (nl) Magnetische gegevensregistratie- en leesinrichting.
CH411039A (de) Magnetische Informationsspeichervorrichtung
CH402949A (de) Leseleitungsanordnung zum Lesen von in magnetisierbaren Elementen gespeicherten Daten
GB994372A (en) Information storage system
CH443737A (de) Ablagevorrichtung für kartenförmige Aufzeichnungsträger
CH390327A (de) Datenspeicher- und Verarbeitungsanlage
AT228531B (de) Gerät für bandförmige Aufzeichnungsträger
CH413913A (de) Informationsspeichervorrichtung
CH428854A (de) Aufzeichnungsträger für Datenspeichereinrichtungen
FI41408C (fi) Laite binäärisen tiedon varastointia ja lukemista varten
DK125179B (da) Datalagerenhed med direkte tilgang.
CH384039A (fr) Dispositif électrochimique pour l'emmagasinage et la lecture de données
DE1574759A1 (de) Magnetkernspeicher mit gemeinsamer Schreib- und Leseleitung
DK114491B (da) Fremgangsmåde til magasinering og ikke udslettende aflæsning af binær information i et magnetisk register og anordning til udøvelse af fremgangsmåden.
FR1258868A (fr) Dispositif de lecture et d'inscription pour mémoire à noyaux magnétiques
AU251619B2 (en) Electrochemical data storage and reading system
CH413912A (de) Magnetisches Datenspeicherwerk
AU522861A (en) Electrochemical data storage and reading system
CH402070A (de) Datenspeichervorrichtung