FR2465293A1 - Tourne-videodisque avec systeme d'asservissement a boucles emboitees - Google Patents

Tourne-videodisque avec systeme d'asservissement a boucles emboitees Download PDF

Info

Publication number
FR2465293A1
FR2465293A1 FR8019559A FR8019559A FR2465293A1 FR 2465293 A1 FR2465293 A1 FR 2465293A1 FR 8019559 A FR8019559 A FR 8019559A FR 8019559 A FR8019559 A FR 8019559A FR 2465293 A1 FR2465293 A1 FR 2465293A1
Authority
FR
France
Prior art keywords
output
signal
active filter
input
amplifier
Prior art date
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.)
Granted
Application number
FR8019559A
Other languages
English (en)
French (fr)
Other versions
FR2465293B1 (ref
Inventor
James Albert Wilber
Todd J Christopher
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
RCA Corp
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 FR2465293A1 publication Critical patent/FR2465293A1/fr
Application granted granted Critical
Publication of FR2465293B1 publication Critical patent/FR2465293B1/fr
Granted legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00Details of television systems
    • H04N5/14Picture signal circuitry for video frequency region
    • H04N5/16Circuitry for reinsertion of DC and slowly varying components of signal; Circuitry for preservation of black or white level
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B21/00Head arrangements not specific to the method of recording or reproducing
    • G11B21/02Driving or moving of heads
    • G11B21/03Driving 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00Details of colour television systems
    • H04N9/79Processing of colour television signals in connection with recording
    • H04N9/7908Suppression of interfering signals at the reproducing side, e.g. noise
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00Details of colour television systems
    • H04N9/79Processing of colour television signals in connection with recording
    • H04N9/793Processing 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00Details of colour television systems
    • H04N9/79Processing of colour television signals in connection with recording
    • H04N9/80Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback
    • H04N9/82Transformation 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
    • H04N9/85Transformation 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)
FR8019559A 1979-09-11 1980-09-10 Tourne-videodisque avec systeme d'asservissement a boucles emboitees Granted FR2465293A1 (fr)

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
FR2465293A1 true FR2465293A1 (fr) 1981-03-20
FR2465293B1 FR2465293B1 (ref) 1984-04-27

Family

ID=22119972

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8019559A Granted FR2465293A1 (fr) 1979-09-11 1980-09-10 Tourne-videodisque avec systeme d'asservissement a boucles emboitees

Country Status (12)

Country Link
US (1) US4247866A (ref)
JP (1) JPS5647961A (ref)
KR (1) KR830002322B1 (ref)
AU (1) AU541905B2 (ref)
CA (1) CA1154156A (ref)
DE (1) DE3034280C2 (ref)
ES (1) ES494947A0 (ref)
FR (1) FR2465293A1 (ref)
GB (1) GB2060214B (ref)
IT (1) IT1133812B (ref)
NL (1) NL8005100A (ref)
PL (1) PL134775B1 (ref)

Families Citing this family (8)

* 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
JPH0183020U (ref) * 1987-11-18 1989-06-02
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

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3871020A (en) * 1973-05-07 1975-03-11 Rca Corp Chrominance signal correction
US3873990A (en) * 1972-09-06 1975-03-25 Rca Corp Chrominance signal correction
US3965482A (en) * 1974-11-12 1976-06-22 Rca Corporation Velocity correction circuit for video discs

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3873990A (en) * 1972-09-06 1975-03-25 Rca Corp Chrominance signal correction
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
GB2060214B (en) 1983-07-20
CA1154156A (en) 1983-09-20
KR830002322B1 (ko) 1983-10-22
IT1133812B (it) 1986-07-24
AU6205580A (en) 1981-03-19
DE3034280C2 (de) 1983-01-05
PL226701A1 (ref) 1981-07-10
ES8105542A1 (es) 1981-05-16
IT8024529A0 (it) 1980-09-08
AU541905B2 (en) 1985-01-31
DE3034280A1 (de) 1981-03-19
US4247866A (en) 1981-01-27
NL8005100A (nl) 1981-03-13
FR2465293B1 (ref) 1984-04-27
JPS5647961A (en) 1981-04-30
GB2060214A (en) 1981-04-29
JPS6243597B2 (ref) 1987-09-16
PL134775B1 (en) 1985-09-30
ES494947A0 (es) 1981-05-16

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