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IT1075491B - Sistema per il controllo di un meccanismo di un riproduttore di videodischi - Google Patents

Sistema per il controllo di un meccanismo di un riproduttore di videodischi

Info

Publication number
IT1075491B
IT1075491B IT19046/77A IT1904677A IT1075491B IT 1075491 B IT1075491 B IT 1075491B IT 19046/77 A IT19046/77 A IT 19046/77A IT 1904677 A IT1904677 A IT 1904677A IT 1075491 B IT1075491 B IT 1075491B
Authority
IT
Italy
Prior art keywords
control
video disc
disc player
player
video
Prior art date
Application number
IT19046/77A
Other languages
English (en)
Original Assignee
Rca Corp
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 Rca Corp filed Critical Rca Corp
Application granted granted Critical
Publication of IT1075491B publication Critical patent/IT1075491B/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
    • G11B19/20—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
    • G11B19/02—Control of operating function, e.g. switching from recording to reproducing
    • 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
    • G11B3/08503—Control of drive of the head
    • G11B3/08519—Control of drive of the head for pick-up arms moving parallel to itself
    • G11B3/08529—Control of drive of the head for pick-up arms moving parallel to itself using magnetic or electric detecting means
IT19046/77A 1976-01-05 1977-01-04 Sistema per il controllo di un meccanismo di un riproduttore di videodischi IT1075491B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB207/76A GB1566271A (en) 1976-01-05 1976-01-05 Disc player mechanism control system

Publications (1)

Publication Number Publication Date
IT1075491B true IT1075491B (it) 1985-04-22

Family

ID=9700293

Family Applications (1)

Application Number Title Priority Date Filing Date
IT19046/77A IT1075491B (it) 1976-01-05 1977-01-04 Sistema per il controllo di un meccanismo di un riproduttore di videodischi

Country Status (6)

Country Link
US (1) US4086617A (it)
JP (1) JPS52104119A (it)
CA (1) CA1077621A (it)
FR (1) FR2337395A1 (it)
GB (1) GB1566271A (it)
IT (1) IT1075491B (it)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USD253591S (en) 1977-03-16 1979-12-04 Cheeseboro Robert G Microprocessor-controlled radial tracking record player
US4211421A (en) * 1978-11-29 1980-07-08 Rca Corporation Video disc player having adjustable end-of-play switch
JPS5845640A (ja) * 1981-09-12 1983-03-16 Victor Co Of Japan Ltd 静電容量値の変化検出型再生針の電極に対する高周波電圧印加回路
US9672844B2 (en) * 2015-07-21 2017-06-06 Love Turntable, Inc. Portable turntable device, system, and method

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3272513A (en) * 1963-09-17 1966-09-13 Jeles Joseph Record player
US3599988A (en) * 1966-11-15 1971-08-17 Elwood G Norris Semiautomatic phonograph with radial arm
US3662363A (en) * 1969-04-17 1972-05-09 Eg & G Inc Memory system using phonograph-type disc
DE1957562A1 (de) * 1969-11-15 1971-05-19 Dual Gebrueder Steidinger Selbsttaetige Schalteinrichtung fuer ein Schallplatten-Abspielgeraet
DE2029909B2 (de) * 1970-06-18 1972-03-16 Licentia Patent Verwaltungs GmbH, 6000 Frankfurt, Teldec Telefunken Decca Schallplatten GmbH, 2000 Hamburg Laufwerk fuer eine platte mit gespeicherten bildsignalen
FR2254087A1 (en) * 1973-12-07 1975-07-04 Bardon Maurice Gramophone stylus arm operating mechanism - has moving coil electromagnet raising arm and two-winding arm positioning motor
US3870320A (en) * 1974-03-25 1975-03-11 Rca Corp Pickup arm control for video disc player
US3993863A (en) * 1974-08-22 1976-11-23 Rca Corporation Disc record groove skipper
GB1523284A (en) * 1974-11-18 1978-08-31 Rca Corp End of play circuit
GB1525696A (en) * 1974-11-18 1978-09-20 Rca Corp Lid interlock system
GB1531214A (en) * 1974-11-18 1978-11-08 Rca Corp Squelch circuit
US3954272A (en) * 1975-03-10 1976-05-04 Rca Corporation Signal pickup return mechanism
US3993316A (en) * 1975-03-10 1976-11-23 Rca Corporation Overhead signal pickup device

Also Published As

Publication number Publication date
US4086617A (en) 1978-04-25
GB1566271A (en) 1980-04-30
CA1077621A (en) 1980-05-13
FR2337395A1 (fr) 1977-07-29
JPS52104119A (en) 1977-09-01

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