JPS4926569B1 - - Google Patents

Info

Publication number
JPS4926569B1
JPS4926569B1 JP45088920A JP8892070A JPS4926569B1 JP S4926569 B1 JPS4926569 B1 JP S4926569B1 JP 45088920 A JP45088920 A JP 45088920A JP 8892070 A JP8892070 A JP 8892070A JP S4926569 B1 JPS4926569 B1 JP S4926569B1
Authority
JP
Japan
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.)
Pending
Application number
JP45088920A
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
Publication of JPS4926569B1 publication Critical patent/JPS4926569B1/ja
Pending legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • G11B19/24—Arrangements for providing constant relative speed between record carrier and head
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B21/00—Head arrangements not specific to the method of recording or reproducing
    • G11B21/02—Driving or moving of heads
    • G11B21/10—Track finding or aligning by moving the head ; Provisions for maintaining alignment of the head relative to the track during transducing operation, i.e. track following
    • G11B21/106—Track finding or aligning by moving the head ; Provisions for maintaining alignment of the head relative to the track during transducing operation, i.e. track following on disks
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B25/00—Apparatus characterised by the shape of record carrier employed but not specific to the method of recording or reproducing, e.g. dictating apparatus; Combinations of such apparatus
    • G11B25/04—Apparatus characterised by the shape of record carrier employed but not specific to the method of recording or reproducing, e.g. dictating apparatus; Combinations of such apparatus using flat record carriers, e.g. disc, card
    • G11B25/043—Apparatus characterised by the shape of record carrier employed but not specific to the method of recording or reproducing, e.g. dictating apparatus; Combinations of such apparatus using flat record carriers, e.g. disc, card using rotating discs
JP45088920A 1969-11-17 1970-10-12 Pending JPS4926569B1 (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US87731369A 1969-11-17 1969-11-17

Publications (1)

Publication Number Publication Date
JPS4926569B1 true JPS4926569B1 (ja) 1974-07-10

Family

ID=25369711

Family Applications (1)

Application Number Title Priority Date Filing Date
JP45088920A Pending JPS4926569B1 (ja) 1969-11-17 1970-10-12

Country Status (5)

Country Link
US (1) US3599989A (ja)
JP (1) JPS4926569B1 (ja)
DE (1) DE2055910C3 (ja)
FR (1) FR2071748A5 (ja)
GB (1) GB1305577A (ja)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2452133A (en) * 1942-09-18 1948-10-26 Dictaphone Corp Phonographic apparatus
US2808268A (en) * 1951-02-02 1957-10-01 Gray Mfg Co Sound translating apparatus
US2637562A (en) * 1951-03-15 1953-05-05 Soundscriber Corp Stepback mechanism for dictating machine playback arms
US2866647A (en) * 1953-04-10 1958-12-30 Mc Graw Edison Co Dictating machine

Also Published As

Publication number Publication date
US3599989A (en) 1971-08-17
FR2071748A5 (ja) 1971-09-17
DE2055910A1 (de) 1971-05-27
GB1305577A (ja) 1973-02-07
DE2055910C3 (de) 1980-05-08
DE2055910B2 (de) 1979-07-05

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