NL105208C - - Google Patents

Info

Publication number
NL105208C
NL105208C NL105208DA NL105208C NL 105208 C NL105208 C NL 105208C NL 105208D A NL105208D A NL 105208DA NL 105208 C NL105208 C NL 105208C
Authority
NL
Netherlands
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.)
Publication of NL105208C publication Critical patent/NL105208C/xx

Links

Classifications

    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/74Record carriers characterised by the form, e.g. sheet shaped to wrap around a drum
    • G11B5/82Disk carriers
NL105208D 1954-04-19 NL105208C (xx)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US424106A US2913246A (en) 1954-04-19 1954-04-19 Magnetic recording surface

Publications (1)

Publication Number Publication Date
NL105208C true NL105208C (xx)

Family

ID=23681469

Family Applications (1)

Application Number Title Priority Date Filing Date
NL105208D NL105208C (xx) 1954-04-19

Country Status (3)

Country Link
US (1) US2913246A (xx)
GB (1) GB768418A (xx)
NL (1) NL105208C (xx)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3145616A (en) * 1954-07-09 1964-08-25 Kalart Co Inc Slide and sound record carrier
US3517642A (en) * 1965-03-29 1970-06-30 Data Products Corp Apparatus for edging magnetic disc
US4190683A (en) * 1978-08-28 1980-02-26 International Business Machines Corporation Method for forming a liquid phase epitaxial film on a wafer
DE2910807C2 (de) * 1979-03-20 1982-07-15 Basf Ag, 6700 Ludwigshafen Poliermittelmischung zum Polieren der Oberflächen von Magnetspeicherplatten
JPS60125932A (ja) * 1983-12-12 1985-07-05 Berumateitsuku:Kk 異方性フロツピ−デイスクの製造方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US476054A (en) * 1892-05-31 Telephonograph
US825065A (en) * 1905-04-18 1906-07-03 Achille Maitre Sound-reproducing disk for gramophones.
US936490A (en) * 1908-03-21 1909-10-12 American Telegraphone Company Telegraphone.
US934601A (en) * 1908-11-02 1909-09-21 Percy W Fuller Sound-record.
US1548895A (en) * 1923-01-26 1925-08-11 American Telephone & Telegraph Electrical transmission of pictures
US2594893A (en) * 1945-01-09 1952-04-29 Gen Electric Magnetic recording medium

Also Published As

Publication number Publication date
GB768418A (en) 1957-02-13
US2913246A (en) 1959-11-17

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