NL66807C - - Google Patents

Info

Publication number
NL66807C
NL66807C NL138673A NL138673A NL66807C NL 66807 C NL66807 C NL 66807C NL 138673 A NL138673 A NL 138673A NL 138673 A NL138673 A NL 138673A NL 66807 C NL66807 C NL 66807C
Authority
NL
Netherlands
Application number
NL138673A
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 filed Critical
Application granted granted Critical
Publication of NL66807C publication Critical patent/NL66807C/xx

Links

Classifications

    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B19/00Driving, 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
    • G11B19/20Driving; Starting; Stopping; Control thereof
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B21/00Head arrangements not specific to the method of recording or reproducing
    • G11B21/02Driving or moving of heads
    • G11B21/12Raising and lowering; Back-spacing or forward-spacing along track; Returning to starting position otherwise than during transducing operation
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B3/00Recording by mechanical cutting, deforming or pressing, e.g. of grooves or pits; Reproducing by mechanical sensing; Record carriers therefor
    • G11B3/02Arrangements of heads
    • G11B3/10Arranging, supporting, or driving of heads or of transducers relatively to record carriers
    • G11B3/34Driving or guiding during transducing operation
    • G11B3/38Guiding, e.g. constructions or arrangements providing linear or other special tracking characteristics
    • 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
    • G11B5/004Recording on, or reproducing or erasing from, magnetic drums
NL138673A 1947-12-23 1948-02-04 NL66807C (zh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH647854X 1947-12-23

Publications (1)

Publication Number Publication Date
NL66807C true NL66807C (zh) 1950-11-15

Family

ID=4525898

Family Applications (1)

Application Number Title Priority Date Filing Date
NL138673A NL66807C (zh) 1947-12-23 1948-02-04

Country Status (6)

Country Link
US (1) US2562665A (zh)
BE (1) BE489274A (zh)
CH (1) CH260631A (zh)
FR (1) FR986194A (zh)
GB (1) GB647854A (zh)
NL (1) NL66807C (zh)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2925279A (en) * 1956-01-09 1960-02-16 Automatic Phone Recorder Co Lt Telephone answering recorder
US3210082A (en) * 1959-12-01 1965-10-05 Canon Camera Co Magnetic sound recording and reproducing apparatus of the spiral scanning type
NL127727C (zh) * 1960-02-04
IT1073290B (it) * 1977-03-04 1985-04-13 Olivetti & Co Spa Apparecchiatura per registrare e o leggere informazioni binarie su un disco magnetico flessibile di piccole dimensioni
JPS618442Y2 (zh) * 1979-04-07 1986-03-15
HU180372B (en) * 1980-07-29 1983-02-28 Budapesti Radiotechnikai Gyar Casette information recorder

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1638424A (en) * 1927-08-09 Sound recording device
US1269607A (en) * 1914-02-10 1918-06-18 Michelin & Cie Recording and reproducing phonograph.
US1852456A (en) * 1930-05-10 1932-04-05 Fritz Lawrence Speed change device for sound reproducers
US2005588A (en) * 1931-08-28 1935-06-18 Bell Telephone Labor Inc Stylus feed mechanism for phonographs
US2314345A (en) * 1940-11-14 1943-03-23 Thomas K Patterson Phonograph device

Also Published As

Publication number Publication date
CH260631A (de) 1949-03-31
FR986194A (fr) 1951-07-27
GB647854A (en) 1950-12-20
US2562665A (en) 1951-07-31
BE489274A (zh) 1949-06-15

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