IT1133812B - Servosistema ad anelli concentrici per riporduttori di videodischi - Google Patents

Servosistema ad anelli concentrici per riporduttori di videodischi

Info

Publication number
IT1133812B
IT1133812B IT24529/80A IT2452980A IT1133812B IT 1133812 B IT1133812 B IT 1133812B IT 24529/80 A IT24529/80 A IT 24529/80A IT 2452980 A IT2452980 A IT 2452980A IT 1133812 B IT1133812 B IT 1133812B
Authority
IT
Italy
Prior art keywords
repairers
servosystem
video disc
concentric ring
concentric
Prior art date
Application number
IT24529/80A
Other languages
English (en)
Other versions
IT8024529A0 (it
Inventor
James Albert Wilber
J Christopher Todd
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
Publication of IT8024529A0 publication Critical patent/IT8024529A0/it
Application granted granted Critical
Publication of IT1133812B publication Critical patent/IT1133812B/it

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/14—Picture signal circuitry for video frequency region
    • H04N5/16—Circuitry for reinsertion of dc and slowly varying components of signal; Circuitry for preservation of black or white level
    • 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
    • G11B21/03—Driving or moving of heads for correcting time base error during transducing operation, by driving or moving the head in a direction more or less parallel to the direction of travel of the recording medium, e.g. tangential direction on a rotating disc
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/79—Processing of colour television signals in connection with recording
    • H04N9/7908—Suppression of interfering signals at the reproducing side, e.g. noise
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/79—Processing of colour television signals in connection with recording
    • H04N9/793—Processing of colour television signals in connection with recording for controlling the level of the chrominance signal, e.g. by means of automatic chroma control circuits
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/79—Processing of colour television signals in connection with recording
    • H04N9/80—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback
    • H04N9/82—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback the individual colour picture signal components being recorded simultaneously only
    • H04N9/85—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback the individual colour picture signal components being recorded simultaneously only the recorded brightness signal occupying a frequency band totally overlapping the frequency band of the recorded chrominance signal, e.g. frequency interleaving

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Television Signal Processing For Recording (AREA)
  • Rotational Drive Of Disk (AREA)
  • Feedback Control In General (AREA)
  • Networks Using Active Elements (AREA)
IT24529/80A 1979-09-11 1980-09-08 Servosistema ad anelli concentrici per riporduttori di videodischi IT1133812B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/074,515 US4247866A (en) 1979-09-11 1979-09-11 Nested loop video disc servo system

Publications (2)

Publication Number Publication Date
IT8024529A0 IT8024529A0 (it) 1980-09-08
IT1133812B true IT1133812B (it) 1986-07-24

Family

ID=22119972

Family Applications (1)

Application Number Title Priority Date Filing Date
IT24529/80A IT1133812B (it) 1979-09-11 1980-09-08 Servosistema ad anelli concentrici per riporduttori di videodischi

Country Status (12)

Country Link
US (1) US4247866A (it)
JP (1) JPS5647961A (it)
KR (1) KR830002322B1 (it)
AU (1) AU541905B2 (it)
CA (1) CA1154156A (it)
DE (1) DE3034280C2 (it)
ES (1) ES8105542A1 (it)
FR (1) FR2465293A1 (it)
GB (1) GB2060214B (it)
IT (1) IT1133812B (it)
NL (1) NL8005100A (it)
PL (1) PL134775B1 (it)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4360829A (en) * 1980-06-24 1982-11-23 Rca Corporation Active distortion elimination circuitry for a video disc player
JPS57200969A (en) * 1981-06-01 1982-12-09 Victor Co Of Japan Ltd Jitter correcting circuit of reproducing device for disk-like information recording medium
JPS5812170A (ja) * 1981-07-14 1983-01-24 Victor Co Of Japan Ltd 円盤状情報記録媒体再生装置のジツタ補正回路
US4520402A (en) * 1982-11-15 1985-05-28 Rca Corporation Video apparatus with burst locked heterodyne chroma converter and residual time base error correction
JPS6189312A (ja) * 1984-10-08 1986-05-07 新井　浄峻 陶磁器製造花の製造方法
JPH09239193A (ja) * 1996-03-06 1997-09-16 Tokugoro Yamada 布団干し機
JP4966147B2 (ja) * 2007-09-26 2012-07-04 株式会社東芝 信号再生方法及び磁気ヘッド並びに磁気記録再生装置

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1438289A (it) * 1972-09-06 1976-06-03
US3871020A (en) * 1973-05-07 1975-03-11 Rca Corp Chrominance signal correction
US3965482A (en) * 1974-11-12 1976-06-22 Rca Corporation Velocity correction circuit for video discs

Also Published As

Publication number Publication date
CA1154156A (en) 1983-09-20
AU6205580A (en) 1981-03-19
KR830002322B1 (ko) 1983-10-22
FR2465293A1 (fr) 1981-03-20
PL134775B1 (en) 1985-09-30
DE3034280C2 (de) 1983-01-05
AU541905B2 (en) 1985-01-31
JPS6243597B2 (it) 1987-09-16
FR2465293B1 (it) 1984-04-27
IT8024529A0 (it) 1980-09-08
GB2060214B (en) 1983-07-20
US4247866A (en) 1981-01-27
DE3034280A1 (de) 1981-03-19
ES494947A0 (es) 1981-05-16
ES8105542A1 (es) 1981-05-16
GB2060214A (en) 1981-04-29
PL226701A1 (it) 1981-07-10
NL8005100A (nl) 1981-03-13
JPS5647961A (en) 1981-04-30

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