FR2492143B1 - - Google Patents
Info
- Publication number
- FR2492143B1 FR2492143B1 FR8119177A FR8119177A FR2492143B1 FR 2492143 B1 FR2492143 B1 FR 2492143B1 FR 8119177 A FR8119177 A FR 8119177A FR 8119177 A FR8119177 A FR 8119177A FR 2492143 B1 FR2492143 B1 FR 2492143B1
- Authority
- FR
- France
- 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.)
- Expired
Links
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B17/00—Guiding record carriers not specifically of filamentary or web form, or of supports therefor
-
- 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
- G11B21/10—Track finding or aligning by moving the head ; Provisions for maintaining alignment of the head relative to the track during transducing operation, i.e. track following
- G11B21/106—Track finding or aligning by moving the head ; Provisions for maintaining alignment of the head relative to the track during transducing operation, i.e. track following on disks
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP55142748A JPS5766573A (en) | 1980-10-13 | 1980-10-13 | Detecting circuit for reference signal for tracking control |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2492143A1 FR2492143A1 (fr) | 1982-04-16 |
FR2492143B1 true FR2492143B1 (fr) | 1985-03-15 |
Family
ID=15322657
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR8119177A Granted FR2492143A1 (fr) | 1980-10-13 | 1981-10-12 | Circuit de detection de signaux de reference pour appareil de reproduction de support d'enregistrement rotatif |
Country Status (6)
Country | Link |
---|---|
US (1) | US4433402A (fr) |
JP (1) | JPS5766573A (fr) |
KR (1) | KR870000688B1 (fr) |
DE (1) | DE3140650A1 (fr) |
FR (1) | FR2492143A1 (fr) |
GB (1) | GB2088594B (fr) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59161555U (ja) * | 1983-04-14 | 1984-10-29 | 日本ビクター株式会社 | トラツキングサ−ボ回路 |
JPS6354086U (fr) * | 1986-09-26 | 1988-04-11 | ||
US5073880A (en) * | 1987-12-18 | 1991-12-17 | Hitachi, Ltd. | Information recording/reproducing method and apparatus |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5415727B2 (fr) * | 1973-02-02 | 1979-06-16 | ||
US3985952A (en) * | 1974-02-04 | 1976-10-12 | Zenith Radio Corporation | Elasto-optic device for spot wobble in a video disc player |
NL174609C (nl) * | 1975-10-15 | 1984-07-02 | Philips Nv | Volgspiegelinrichting in een optische platenspeler. |
GB1577132A (en) * | 1976-03-19 | 1980-10-22 | Rca Corp | Compensation apparatus for a servo system with periodic command signals |
JPS52120805A (en) * | 1976-04-02 | 1977-10-11 | Sony Corp | Servo apparatus |
JPS5846781B2 (ja) * | 1976-10-14 | 1983-10-18 | 日本ビクター株式会社 | 回転記録媒体再生装置における信号トラツキング用カンチレバ−装置 |
US4135217A (en) * | 1976-11-02 | 1979-01-16 | Xerox Corporation | Utilization of stored run-out information in a track following servo system |
JPS5921104B2 (ja) * | 1977-03-08 | 1984-05-17 | 日本ビクター株式会社 | 情報記録媒体再生装置におけるトラッキングサ−ボ装置 |
JPS5925300B2 (ja) * | 1977-12-28 | 1984-06-16 | 日本ビクター株式会社 | 情報信号再生装置のフイ−ド自動追従装置 |
JPS5498517A (en) * | 1978-01-20 | 1979-08-03 | Victor Co Of Japan Ltd | Reproducer for information signal |
NL7901721A (nl) * | 1979-03-05 | 1980-09-09 | Philips Nv | Regelsysteem. |
-
1980
- 1980-10-13 JP JP55142748A patent/JPS5766573A/ja active Granted
-
1981
- 1981-10-12 FR FR8119177A patent/FR2492143A1/fr active Granted
- 1981-10-13 US US06/310,767 patent/US4433402A/en not_active Expired - Fee Related
- 1981-10-13 GB GB8130852A patent/GB2088594B/en not_active Expired
- 1981-10-13 KR KR1019810003872A patent/KR870000688B1/ko active
- 1981-10-13 DE DE19813140650 patent/DE3140650A1/de active Granted
Also Published As
Publication number | Publication date |
---|---|
GB2088594A (en) | 1982-06-09 |
JPS5766573A (en) | 1982-04-22 |
GB2088594B (en) | 1984-06-27 |
DE3140650C2 (fr) | 1987-12-10 |
JPS6156584B2 (fr) | 1986-12-03 |
FR2492143A1 (fr) | 1982-04-16 |
KR830008311A (ko) | 1983-11-18 |
US4433402A (en) | 1984-02-21 |
KR870000688B1 (ko) | 1987-04-06 |
DE3140650A1 (de) | 1982-06-16 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |