IT1061909B - Perfezionamento nei giradischi o cambiadischi - Google Patents

Perfezionamento nei giradischi o cambiadischi

Info

Publication number
IT1061909B
IT1061909B IT49453/76A IT4945376A IT1061909B IT 1061909 B IT1061909 B IT 1061909B IT 49453/76 A IT49453/76 A IT 49453/76A IT 4945376 A IT4945376 A IT 4945376A IT 1061909 B IT1061909 B IT 1061909B
Authority
IT
Italy
Prior art keywords
changers
turntables
improvement
Prior art date
Application number
IT49453/76A
Other languages
English (en)
Original Assignee
Philips Nv
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 Philips Nv filed Critical Philips Nv
Application granted granted Critical
Publication of IT1061909B publication Critical patent/IT1061909B/it

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
    • G11B19/02—Control of operating function, e.g. switching from recording to reproducing
    • G11B19/12—Control of operating function, e.g. switching from recording to reproducing by sensing distinguishing features of or on records, e.g. diameter end mark
    • G11B19/124—Control of operating function, e.g. switching from recording to reproducing by sensing distinguishing features of or on records, e.g. diameter end mark involving the detection of diameter of disks
    • 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
    • G11B19/26—Speed-changing arrangements; Reversing arrangements; Drive-transfer means therefor
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B3/00—Recording by mechanical cutting, deforming or pressing, e.g. of grooves or pits; Reproducing by mechanical sensing; Record carriers therefor
    • G11B3/02—Arrangements of heads
    • G11B3/08—Raising, lowering, traversing otherwise than for transducing, arresting, or holding-up heads against record carriers
    • G11B3/085—Raising, lowering, traversing otherwise than for transducing, arresting, or holding-up heads against record carriers using automatic means
IT49453/76A 1975-05-16 1976-05-13 Perfezionamento nei giradischi o cambiadischi IT1061909B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2521869A DE2521869C3 (de) 1975-05-16 1975-05-16 Vorrichtung an einem automatischen Plattenspieler oder Plattenwechsler mit Kommandoscheibe zur selbsttätigen Einstellung der Aufsetzstelle des Tonarmes

Publications (1)

Publication Number Publication Date
IT1061909B true IT1061909B (it) 1983-04-30

Family

ID=5946744

Family Applications (1)

Application Number Title Priority Date Filing Date
IT49453/76A IT1061909B (it) 1975-05-16 1976-05-13 Perfezionamento nei giradischi o cambiadischi

Country Status (8)

Country Link
US (1) US4082290A (it)
CA (1) CA1038775A (it)
CH (1) CH608645A5 (it)
DE (1) DE2521869C3 (it)
ES (1) ES447924A1 (it)
FR (1) FR2311377A1 (it)
GB (1) GB1554434A (it)
IT (1) IT1061909B (it)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2573017B2 (ja) * 1988-03-08 1997-01-16 三洋電機株式会社 ディスクプレーヤ

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2366858A (en) * 1940-12-31 1945-01-09 Farnsworth Television & Radio Pickup arm mounting
US2563653A (en) * 1946-10-19 1951-08-07 Philco Corp Phonograph tone-arm indexing mechanism
US2896953A (en) * 1953-09-17 1959-07-28 Plessey Co Ltd Tone arm mounting for gramophones
US3485499A (en) * 1965-12-14 1969-12-23 Matsushita Electric Ind Co Ltd Automatic speed change device for record players
US3827697A (en) * 1971-05-03 1974-08-06 Matsushita Electric Ind Co Ltd Automatic record player

Also Published As

Publication number Publication date
FR2311377A1 (fr) 1976-12-10
DE2521869A1 (de) 1976-11-18
CH608645A5 (it) 1979-01-15
FR2311377B3 (it) 1980-10-17
ES447924A1 (es) 1977-06-16
DE2521869C3 (de) 1979-12-13
US4082290A (en) 1978-04-04
DE2521869B2 (it) 1979-04-12
GB1554434A (en) 1979-10-24
CA1038775A (en) 1978-09-19

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