GB717113A - Improvements in magnetic recording apparatus - Google Patents

Improvements in magnetic recording apparatus

Info

Publication number
GB717113A
GB717113A GB30495/49A GB3049549A GB717113A GB 717113 A GB717113 A GB 717113A GB 30495/49 A GB30495/49 A GB 30495/49A GB 3049549 A GB3049549 A GB 3049549A GB 717113 A GB717113 A GB 717113A
Authority
GB
United Kingdom
Prior art keywords
drum
shaft
base
stator
secured
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
GB30495/49A
Other languages
English (en)
Inventor
James Dean
Brian Watson Pollard
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.)
NAT RES DEV
National Research Development Corp UK
Original Assignee
NAT RES DEV
National Research Development Corp UK
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 NAT RES DEV, National Research Development Corp UK filed Critical NAT RES DEV
Publication of GB717113A publication Critical patent/GB717113A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/10—Structural association with clutches, brakes, gears, pulleys or mechanical starters
    • H02K7/104—Structural association with clutches, brakes, gears, pulleys or mechanical starters with eddy-current brakes
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B19/00—Driving, starting, stopping record carriers not specifically of filamentary or web form, or of supports therefor; Control thereof; Control of operating function ; Driving both disc and head
    • G11B19/20—Driving; Starting; Stopping; Control thereof
    • G11B19/22—Brakes other than speed-regulating brakes
    • 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
    • G11B5/004—Recording on, or reproducing or erasing from, magnetic drums
    • 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
    • G11B5/74—Record carriers characterised by the form, e.g. sheet shaped to wrap around a drum
    • G11B5/76—Drum carriers

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Character Spaces And Line Spaces In Printers (AREA)
  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
  • Recording Or Reproducing By Magnetic Means (AREA)
GB30495/49A 1949-11-28 1949-11-28 Improvements in magnetic recording apparatus Expired GB717113A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB312266X 1949-11-28

Publications (1)

Publication Number Publication Date
GB717113A true GB717113A (en) 1954-10-20

Family

ID=10319927

Family Applications (1)

Application Number Title Priority Date Filing Date
GB30495/49A Expired GB717113A (en) 1949-11-28 1949-11-28 Improvements in magnetic recording apparatus

Country Status (6)

Country Link
US (1) US2694192A (forum.php)
CH (1) CH312266A (forum.php)
DE (1) DE971535C (forum.php)
FR (1) FR1029009A (forum.php)
GB (1) GB717113A (forum.php)
NL (2) NL157567B (forum.php)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2109983A (en) * 1981-10-27 1983-06-08 Victor Company Of Japan Recording medium for recording and/or reproducing apparatus
GB2116352A (en) * 1981-10-27 1983-09-21 Victor Company Of Japan Recording and/or reproducing apparatus
CN101326700B (zh) * 2006-03-30 2011-07-20 剪式风能公司 用于水力涡轮机和风力涡轮机的发电机

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL195955A (forum.php) * 1954-03-29
US2916726A (en) * 1955-03-04 1959-12-08 Burroughs Corp Data storage apparatus
US2905521A (en) * 1955-06-21 1959-09-22 Standard Coil Prod Co Inc Digital recording system
US2794180A (en) * 1955-12-01 1957-05-28 Hughes Aircraft Co Magnetic memory drum
US2931691A (en) * 1956-08-20 1960-04-05 Litton Industries Inc Magnetic drum memory system
US3329942A (en) * 1958-01-29 1967-07-04 Rca Corp Air bearing data storage apparatus
US3030452A (en) * 1958-01-29 1962-04-17 Rca Corp Regulation of head spacing by air bearing means
US3050595A (en) * 1958-02-27 1962-08-21 Joseph I Heller Pocket tape recorders
US3068480A (en) * 1958-10-06 1962-12-11 Ncr Co Disc memory assembly

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE662417C (forum.php) *
US765078A (en) * 1902-12-01 1904-07-12 Paul Jigouzo Asynchronous motor.
US1058545A (en) * 1911-12-05 1913-04-08 Henry Caldwell Annunciator system.
US1504609A (en) * 1919-11-21 1924-08-12 Toledo Scale Co Weighing scale
DE593565C (de) * 1926-09-11 1934-02-28 Tobis Tonbild Syndikat Akt Ges Verfahren und Vorrichtungen zur Erzeugung einer Nachhallwirkung
DE500900C (de) * 1928-01-31 1930-06-26 Fritz Pfleumer Lautschrifttraeger
US1883907A (en) * 1931-06-05 1932-10-25 Gen Electric Automatic oscillograph
US1980056A (en) * 1933-02-08 1934-11-06 Hans U Hedeby Power actuated hand plane
US2080100A (en) * 1933-03-10 1937-05-11 Tauschek Gustav Method and means for storing and selecting records
CH181408A (de) * 1934-10-18 1935-12-15 Gfeller Chr Ag Registriervorrichtung an Fahrzeugen.
US2430843A (en) * 1944-04-08 1947-11-11 Defiance Machine Works Inc Machine tool spindle
US2474210A (en) * 1947-12-10 1949-06-28 Abbott Machine Co Bobbin holder for spinning and twisting frames
US2540654A (en) * 1948-03-25 1951-02-06 Engineering Res Associates Inc Data storage system

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2109983A (en) * 1981-10-27 1983-06-08 Victor Company Of Japan Recording medium for recording and/or reproducing apparatus
GB2116352A (en) * 1981-10-27 1983-09-21 Victor Company Of Japan Recording and/or reproducing apparatus
US4567535A (en) * 1981-10-27 1986-01-28 Victor Company Of Japan, Ltd. Recording and/or reproducing apparatus
US4604667A (en) * 1981-10-27 1986-08-05 Victor Company Of Japan, Ltd. Recording medium for recording and/or reproducing apparatus
CN101326700B (zh) * 2006-03-30 2011-07-20 剪式风能公司 用于水力涡轮机和风力涡轮机的发电机

Also Published As

Publication number Publication date
DE971535C (de) 1959-02-12
US2694192A (en) 1954-11-09
NL86935C (forum.php)
NL157567B (nl)
FR1029009A (fr) 1953-05-29
CH312266A (fr) 1955-12-31

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