GB319680A - Improvements in and relating to reproducing magnets for telegraphones - Google Patents

Improvements in and relating to reproducing magnets for telegraphones

Info

Publication number
GB319680A
GB319680A GB10930/29A GB1093029A GB319680A GB 319680 A GB319680 A GB 319680A GB 10930/29 A GB10930/29 A GB 10930/29A GB 1093029 A GB1093029 A GB 1093029A GB 319680 A GB319680 A GB 319680A
Authority
GB
United Kingdom
Prior art keywords
enlargement
wire
disc
plates
magnets
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.)
Expired
Application number
GB10930/29A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of GB319680A publication Critical patent/GB319680A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B15/00—Driving, starting or stopping record carriers of filamentary or web form; Driving both such record carriers and heads; Guiding such record carriers or containers therefor; Control thereof; Control of operating function
    • G11B15/60—Guiding record carrier
    • G11B15/602—Guiding record carrier for track selection, acquisition or following
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/48—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed
    • G11B5/54—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed with provision for moving the head into or out of its operative position or across tracks

Landscapes

  • Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
  • Wire Processing (AREA)
  • Magnetic Heads (AREA)
GB10930/29A 1928-09-26 1929-04-09 Improvements in and relating to reproducing magnets for telegraphones Expired GB319680A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1828260X 1928-09-26

Publications (1)

Publication Number Publication Date
GB319680A true GB319680A (en) 1930-07-09

Family

ID=9976925

Family Applications (1)

Application Number Title Priority Date Filing Date
GB10930/29A Expired GB319680A (en) 1928-09-26 1929-04-09 Improvements in and relating to reproducing magnets for telegraphones

Country Status (5)

Country Link
US (1) US1828260A (enrdf_load_stackoverflow)
DE (1) DE564538C (enrdf_load_stackoverflow)
FR (1) FR681287A (enrdf_load_stackoverflow)
GB (1) GB319680A (enrdf_load_stackoverflow)
NL (1) NL28943C (enrdf_load_stackoverflow)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2723315A (en) * 1948-11-05 1955-11-08 Indiana Steel Products Co Method and means for duplicating magnetic records by magnetic transfer phenomenon
US2747026A (en) * 1948-11-18 1956-05-22 Armour Res Found Recording apparatus and method for making duplicate magnetic records
US2677019A (en) * 1951-12-22 1954-04-27 Bell Telephone Labor Inc Magnetic head and method of making same
IN59246B (enrdf_load_stackoverflow) * 1953-08-14

Also Published As

Publication number Publication date
FR681287A (fr) 1930-05-13
US1828260A (en) 1931-10-20
DE564538C (de) 1932-11-19
NL28943C (enrdf_load_stackoverflow) 1933-02-15

Similar Documents

Publication Publication Date Title
DK130698B (da) Fremgangsmåde til registrering af data på et magnetisk registreringsmedium og apparat til udøvelse af fremgangsmåden.
GB319680A (en) Improvements in and relating to reproducing magnets for telegraphones
FR632261A (fr) Perfectionnement aux supports, notamment pour appareils de prises de vues cinématographiques ou photographiques
FR775516A (fr) Procédé de tirage de films phonographiques à densité constante et dispositif réalisant ledit procédé
DE511701C (de) Verfahren und Einrichtung zur richtigen Einstellung der Bildebene bei photographischen Autochromaufnahmen
FR1430375A (fr) Perfectionnements aux appareils pour reproduire des images animées à partir de bandes cinématographiques
GB307078A (en) Process for the production of sound films
DK33891C (da) Kinematografisk Apparat til Optagelse og Gengivelse.
DK76764C (da) Apparat til optagelse eller gengivelse af billeder.
DK73365C (da) Apparat til optagelse eller gengivelse af billeder.
Assembly Making a Deficiency Appropriation to the Colorado Psychopathic Hopital of the University of Colorado.
FR779893A (fr) Mécanisme d'avancement pour dispositif enregistreur pour compteurs à gaz, compteurs électriques et analogues
AU126331A (en) Improvement in photographic recording apparatus
FR823864A (fr) Perfectionnements aux procédés de sous-titrage des images des films cinématographiques et films en résultant
FR832596A (fr) Appareil de projection d'images, en particulier d'images cinématographiques
GB343069A (en) Improvements in or relating to talking picture apparatus
AU105470B2 (en) Improvement in apparatus forand method of recording sound on film
DK58354C (da) Apparat til Brug ved Optagelse eller Gengivelse af Films, navnlig Billedlydfilms.
JPS544140A (en) Magnetic toner developing apparatus
GB383291A (en) Improvements in and relating to motion picture machines
FR938942A (fr) Perfectionnements apportés aux procédés et aux appareils pour la prise de vues et la projection d'images cinématographiques avec déroulement continu du film
AU104777B2 (en) Improvements in apparatus for testing metal coins in determine their genuineness
DK61038C (da) Elektrisk Apparat til Gengivelse af Fjernsynsbilleder.
CA296479A (en) Apparatus for recording moving objects or scenes
AU218837A (en) Improvements in and relating tothe method of gauging the exposure of photographic and cinematographic films and exposure meters for use therein