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 PDFInfo
- 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- Withdrawn
Links
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/02—Analogue recording or reproducing
- G11B20/025—Error detection or correction
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FR8501372A Withdrawn FR2558982A1 (fr) | 1984-01-31 | 1985-01-31 | Circuit de detection de lacune pour appareil de reproduction de donnees enregistrees |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)
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)
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)
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 |
-
1984
- 1984-01-31 JP JP1196684U patent/JPS60123766U/ja active Pending
-
1985
- 1985-01-25 GB GB08501932A patent/GB2155284B/en not_active Expired
- 1985-01-31 DE DE19853503305 patent/DE3503305A1/de active Granted
- 1985-01-31 FR FR8501372A patent/FR2558982A1/fr not_active Withdrawn
Patent Citations (5)
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)
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 |