GB561758A - Improvements in or relating to magnetic recording apparatus - Google Patents

Improvements in or relating to magnetic recording apparatus

Info

Publication number
GB561758A
GB561758A GB16903/42A GB1690342A GB561758A GB 561758 A GB561758 A GB 561758A GB 16903/42 A GB16903/42 A GB 16903/42A GB 1690342 A GB1690342 A GB 1690342A GB 561758 A GB561758 A GB 561758A
Authority
GB
United Kingdom
Prior art keywords
shaft
wheel
magnets
roller
strip
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
GB16903/42A
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.)
British Tabulating Machine Co Ltd
Original Assignee
British Tabulating Machine Co Ltd
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 British Tabulating Machine Co Ltd filed Critical British Tabulating Machine Co Ltd
Publication of GB561758A publication Critical patent/GB561758A/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
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S101/00—Printing
    • Y10S101/37—Printing employing electrostatic force
GB16903/42A 1941-11-29 1942-11-27 Improvements in or relating to magnetic recording apparatus Expired GB561758A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US421079A US2359617A (en) 1941-11-29 1941-11-29 Magnetic recording apparatus

Publications (1)

Publication Number Publication Date
GB561758A true GB561758A (en) 1944-06-02

Family

ID=23669084

Family Applications (1)

Application Number Title Priority Date Filing Date
GB16903/42A Expired GB561758A (en) 1941-11-29 1942-11-27 Improvements in or relating to magnetic recording apparatus

Country Status (3)

Country Link
US (1) US2359617A (de)
DE (1) DE975355C (de)
GB (1) GB561758A (de)

Families Citing this family (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2499895A (en) * 1945-10-08 1950-03-07 Joseph B Walker Magnetic recording apparatus
US2560474A (en) * 1947-06-18 1951-07-10 Teletype Corp Keyboard operated magnetic recorder
US2706118A (en) * 1947-07-03 1955-04-12 Armour Res Found Magnetic recorder
NL140486B (nl) * 1947-09-29 Amstel Brouwerij Tapstang-bevestigingsconstructie.
US2611813A (en) * 1948-05-26 1952-09-23 Technitrol Engineering Company Magnetic data storage system
US3042901A (en) * 1948-10-01 1962-07-03 Dirks Gerhard Distributor-controlled magnetic storage unit
US3119110A (en) * 1949-05-02 1964-01-21 Sperry Rand Corp Data storage apparatus controls
BE498945A (de) * 1949-10-26
BE501957A (de) * 1950-03-18
US2696420A (en) * 1950-12-14 1954-12-07 Ibm Bipolar magnetic recorder
US2931571A (en) * 1951-04-11 1960-04-05 Ncr Co Magnetic storage of multiple totals
NL97816C (de) * 1952-02-07
US2781508A (en) * 1952-05-01 1957-02-12 Eustace E Suckling Intelligence transmission system
US2791310A (en) * 1952-06-28 1957-05-07 Rca Corp Character printing and encoding apparatus
US2751433A (en) * 1952-07-28 1956-06-19 Rca Corp Character analyzing systems
US2672395A (en) * 1952-09-18 1954-03-16 Bell Telephone Labor Inc Recording system
US2847919A (en) * 1953-03-13 1958-08-19 Mergenthaler Linotype Gmbh Photocomposing machine
US2771505A (en) * 1953-07-21 1956-11-20 Marchant Res Inc Readout devices
US2902213A (en) * 1953-09-28 1959-09-01 Ibm Accounting machine
US2887936A (en) * 1953-10-20 1959-05-26 Louis A Spievak Type composing apparatus
US2939758A (en) * 1953-11-20 1960-06-07 Sperry Rand Corp Magnetic data recording apparatus
US3245039A (en) * 1954-03-22 1966-04-05 Ibm Electronic data processing machine
US2836147A (en) * 1954-10-27 1958-05-27 Gen Electric Recording and portraying apparatus
US2962339A (en) * 1955-01-28 1960-11-29 Raytheon Co Apparatus for concentrating flux in magnetic printing
DE1076416B (de) * 1955-05-04 1960-02-25 Ibm Deutschland Vorrichtung zur Ausloesung eines elektrisch gesteuerten Paralleldruckwerks
US3015087A (en) * 1955-07-26 1961-12-26 Security Systems Inc Security system
US3146455A (en) * 1959-06-30 1964-08-25 Ibm Magnetic data transferring device
US3075194A (en) * 1959-08-20 1963-01-22 Ibm Unit document originating machine
US3161544A (en) * 1960-06-14 1964-12-15 Gen Electric Recording and portraying apparatus
US3149901A (en) * 1960-11-17 1964-09-22 Bell Telephone Labor Inc Recorder
US3156919A (en) * 1960-12-30 1964-11-10 Ibm Electromagnetic transducer head
US3471862A (en) * 1967-10-18 1969-10-07 Walter W Barney Encoder apparatus for magnetic credit cards and the like

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE251111C (de) *
DE267273C (de) *
DE213024C (de) *
DE638179C (de) * 1930-12-25 1936-11-11 Siemens & Halske Akt Ges Telegraphenempfangsapparat fuer wahlweises oder gleichzeitiges Drucken und Lochen, bei dem die an den Waehlschienen angebrachten Ansatz- oder Zwischenstuecke je nach der Zeichenkombination in den Weg des Stanzhammers gebracht werden
DE572162C (de) * 1931-09-04 1933-03-11 Accounting And Tabulating Mach Kartenlochmaschine mit Druckwerk
FR838421A (fr) * 1937-05-27 1939-03-06 Ibm Moyens et méthode de calcul
NL77676C (de) * 1937-05-27

Also Published As

Publication number Publication date
DE975355C (de) 1961-11-09
US2359617A (en) 1944-10-03

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