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IT1193239B - Apparato per la riproduzione di videodischi dotato di un complesso non lineare di correzione dell'apertura - Google Patents

Apparato per la riproduzione di videodischi dotato di un complesso non lineare di correzione dell'apertura

Info

Publication number
IT1193239B
IT1193239B IT26438/79A IT2643879A IT1193239B IT 1193239 B IT1193239 B IT 1193239B IT 26438/79 A IT26438/79 A IT 26438/79A IT 2643879 A IT2643879 A IT 2643879A IT 1193239 B IT1193239 B IT 1193239B
Authority
IT
Italy
Prior art keywords
reproduction apparatus
video disc
apparatus equipped
opening correction
linear opening
Prior art date
Application number
IT26438/79A
Other languages
English (en)
Italian (it)
Other versions
IT7926438A0 (it
Inventor
John James Gibson
Bowen Frank Lang
Michael David Ross
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
Priority claimed from US06/075,331 external-priority patent/US4312013A/en
Priority claimed from US06/075,330 external-priority patent/US4272786A/en
Application filed by Rca Corp filed Critical Rca Corp
Publication of IT7926438A0 publication Critical patent/IT7926438A0/it
Application granted granted Critical
Publication of IT1193239B publication Critical patent/IT1193239B/it

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B9/00—Recording or reproducing using a method not covered by one of the main groups G11B3/00 - G11B7/00; Record carriers therefor
    • G11B9/06—Recording or reproducing using a method not covered by one of the main groups G11B3/00 - G11B7/00; Record carriers therefor using record carriers having variable electrical capacitance; Record carriers therefor
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B23/00—Record carriers not specific to the method of recording or reproducing; Accessories, e.g. containers, specially adapted for co-operation with the recording or reproducing apparatus ; Intermediate mediums; Apparatus or processes specially adapted for their manufacture
    • G11B23/0007—Circuits or methods for reducing noise, for correction of distortion, or for changing density of recorded information
IT26438/79A 1978-10-16 1979-10-11 Apparato per la riproduzione di videodischi dotato di un complesso non lineare di correzione dell'apertura IT1193239B (it)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US95138278A 1978-10-16 1978-10-16
US06/075,331 US4312013A (en) 1979-09-19 1979-09-19 Non-linear aperture correction circuit
US06/075,330 US4272786A (en) 1978-10-16 1979-09-19 Video disc playback apparatus with non-linear aperture correction

Publications (2)

Publication Number Publication Date
IT7926438A0 IT7926438A0 (it) 1979-10-11
IT1193239B true IT1193239B (it) 1988-06-15

Family

ID=27372657

Family Applications (1)

Application Number Title Priority Date Filing Date
IT26438/79A IT1193239B (it) 1978-10-16 1979-10-11 Apparato per la riproduzione di videodischi dotato di un complesso non lineare di correzione dell'apertura

Country Status (6)

Country Link
DE (1) DE2941848C2 (de)
FR (1) FR2439451A1 (de)
GB (1) GB2035760B (de)
HK (1) HK56983A (de)
IT (1) IT1193239B (de)
PL (1) PL133529B1 (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4329712A (en) * 1980-06-24 1982-05-11 Rca Corporation Adaptive distortion elimination circuitry for a video disc player
US4360829A (en) * 1980-06-24 1982-11-23 Rca Corporation Active distortion elimination circuitry for a video disc player
JPS57120207A (en) * 1981-01-19 1982-07-27 Pioneer Video Corp Reproducing device for multiple-recorded information

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3340367A (en) * 1963-07-24 1967-09-05 Ampex Playback equalization scheme for a reproduced frequency modulated signal
DE2156305C2 (de) * 1971-11-12 1973-11-08 Dziewior, K., Dr.-Ing. Gerat zur Aufzeichnung und/oder Wie dergabe eines Fernsehsignals, insbesondere fur eine Bildplatte
DE2211677A1 (de) * 1972-03-10 1973-09-13 Licentia Gmbh Wiedergabeschaltung fuer ein geraet zur aufzeichnung eines fernsehsignals
US3934087A (en) * 1972-10-07 1976-01-20 Victor Company Of Japan, Limited Angle modulated wave demodulation system
DE2547431C3 (de) * 1975-10-23 1978-04-06 Ted Bildplatten Ag Aeg-Telefunken- Teldec, Zug (Schweiz) Gerät zur Aufzeichnung oder Wiedergabe eines Videosignals
DE2658944A1 (de) * 1976-12-24 1978-07-06 Bosch Gmbh Robert Verfahren und schaltungsanordnung zur frequenzgangkorrektur

Also Published As

Publication number Publication date
PL133529B1 (en) 1985-06-29
GB2035760A (en) 1980-06-18
DE2941848C2 (de) 1986-01-16
IT7926438A0 (it) 1979-10-11
PL218992A1 (de) 1980-08-11
FR2439451B1 (de) 1984-05-18
HK56983A (en) 1983-11-25
DE2941848A1 (de) 1980-04-30
FR2439451A1 (fr) 1980-05-16
GB2035760B (en) 1983-05-11

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