FR2558982A1 - Circuit de detection de lacune pour appareil de reproduction de donnees enregistrees - Google Patents

Circuit de detection de lacune pour appareil de reproduction de donnees enregistrees Download PDF

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Publication number
FR2558982A1
FR2558982A1 FR8501372A FR8501372A FR2558982A1 FR 2558982 A1 FR2558982 A1 FR 2558982A1 FR 8501372 A FR8501372 A FR 8501372A FR 8501372 A FR8501372 A FR 8501372A FR 2558982 A1 FR2558982 A1 FR 2558982A1
Authority
FR
France
Prior art keywords
signal
comparator
output signal
amplitude
level
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.)
Withdrawn
Application number
FR8501372A
Other languages
English (en)
French (fr)
Inventor
Kazuo Kuroda
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.)
Pioneer Corp
Original Assignee
Pioneer Electronic 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 Pioneer Electronic Corp filed Critical Pioneer Electronic Corp
Publication of FR2558982A1 publication Critical patent/FR2558982A1/fr
Withdrawn legal-status Critical Current

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Classifications

    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/02Analogue recording or reproducing
    • G11B20/025Error detection or correction
FR8501372A 1984-01-31 1985-01-31 Circuit de detection de lacune pour appareil de reproduction de donnees enregistrees Withdrawn FR2558982A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1196684U JPS60123766U (ja) 1984-01-31 1984-01-31 記録情報再生装置におけるドロツプアウト検出回路

Publications (1)

Publication Number Publication Date
FR2558982A1 true FR2558982A1 (fr) 1985-08-02

Family

ID=11792355

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8501372A Withdrawn FR2558982A1 (fr) 1984-01-31 1985-01-31 Circuit de detection de lacune pour appareil de reproduction de donnees enregistrees

Country Status (4)

Country Link
JP (1) JPS60123766U (ja)
DE (1) DE3503305A1 (ja)
FR (1) FR2558982A1 (ja)
GB (1) GB2155284B (ja)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3937447A1 (de) * 1989-11-10 1991-05-16 Hanning Elektro Werke Schutzeinrichtung fuer frequenzumrichter
DE4103974A1 (de) * 1991-02-09 1992-08-13 Thomson Brandt Gmbh Optisches aufzeichnungs- und/oder wiedergabegeraet

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3761905A (en) * 1971-08-20 1973-09-25 Information Storage Systems Disc pack defect detection system
US3902190A (en) * 1973-11-23 1975-08-26 Rca Corp Programmable test of read/write circuitry by varying clipping levels
JPS56107314A (en) * 1980-01-31 1981-08-26 Hitachi Ltd Automatic gain control circuit
GB2098379A (en) * 1981-05-12 1982-11-17 Victor Company Of Japan Circuit arrangement for a disk player for reproducing information prerecorded in the form of pits
FR2511170A1 (fr) * 1981-08-10 1983-02-11 Ampex Systeme de poursuite de seuil automatique

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL289676A (ja) * 1964-02-28 1900-01-01
JPS5236691B2 (ja) * 1974-03-15 1977-09-17
JPS5145551A (en) * 1974-10-17 1976-04-19 Nippon Electric Co Chohyo 2 maiokurikenshutsusochi
JPS5727637B2 (ja) * 1974-11-27 1982-06-11
JPS582625B2 (ja) * 1978-08-31 1983-01-18 ティーディーケイ株式会社 ドロップアウト位置マ−キング装置
JPS5753008U (ja) * 1980-09-12 1982-03-27

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3761905A (en) * 1971-08-20 1973-09-25 Information Storage Systems Disc pack defect detection system
US3902190A (en) * 1973-11-23 1975-08-26 Rca Corp Programmable test of read/write circuitry by varying clipping levels
JPS56107314A (en) * 1980-01-31 1981-08-26 Hitachi Ltd Automatic gain control circuit
GB2098379A (en) * 1981-05-12 1982-11-17 Victor Company Of Japan Circuit arrangement for a disk player for reproducing information prerecorded in the form of pits
FR2511170A1 (fr) * 1981-08-10 1983-02-11 Ampex Systeme de poursuite de seuil automatique

Non-Patent Citations (4)

* Cited by examiner, † Cited by third party
Title
IBM TECHNICAL DISCLOSURE BULLETIN, vol. 20, no. 4, septembre 1977, pages 1479-1480, New York, US; J.C. MAILLET: "Data recovery circuit" *
IBM TECHNICAL DISCLOSURE BULLETIN, vol. 22, no. 1, juin 1979, pages 291-292, New York, US; N.B. TAYLOR: "Read head minimum/maximum signal calculator" *
PATENT ABSTRACTS OF JAPAN, vol. 5, no. 177 (P-89)[849], 13 novembre 1981; & JP-A-56 107 314 (HITACHI SEISAKUSHO) 26-08-1981 *
PROCEEDINGS OF THE INTERNATIONAL SOCIETY FOR OPTICAL ENGINEERING, Arlington, Virginia, 8-9 juin 1983, vol. 421, pages 163-167, SPIE, Washington, US; R.L. KAY: "Developing an error budget for an optical read/write system" *

Also Published As

Publication number Publication date
DE3503305C2 (ja) 1988-01-28
GB2155284B (en) 1987-05-07
DE3503305A1 (de) 1985-08-01
GB2155284A (en) 1985-09-18
JPS60123766U (ja) 1985-08-21
GB8501932D0 (en) 1985-02-27

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Legal Events

Date Code Title Description
ST Notification of lapse